diff options
Diffstat (limited to 'include')
183 files changed, 2610 insertions, 852 deletions
diff --git a/include/acpi/achware.h b/include/acpi/achware.h index 9df275cf7bc..4053df94345 100644 --- a/include/acpi/achware.h +++ b/include/acpi/achware.h @@ -71,9 +71,9 @@ u32 acpi_hw_get_mode(void); struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id); acpi_status -acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value); +acpi_hw_register_read(u32 register_id, u32 * return_value); -acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value); +acpi_status acpi_hw_register_write(u32 register_id, u32 value); acpi_status acpi_hw_low_level_read(u32 width, diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 86aea44ce6d..7b74b60a68a 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -264,7 +264,6 @@ struct acpi_device_wakeup_flags { struct acpi_device_wakeup_state { u8 enabled:1; - u8 active:1; }; struct acpi_device_wakeup { @@ -333,6 +332,7 @@ int acpi_bus_get_power(acpi_handle handle, int *state); int acpi_bus_set_power(acpi_handle handle, int state); #ifdef CONFIG_ACPI_PROC_EVENT int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data); +int acpi_bus_generate_proc_event4(const char *class, const char *bid, u8 type, int data); int acpi_bus_receive_event(struct acpi_bus_event *event); #else static inline int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data) diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index 3d7ab9e0c9f..9512f0456ad 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -314,6 +314,8 @@ acpi_resource_to_address64(struct acpi_resource *resource, */ acpi_status acpi_get_register(u32 register_id, u32 * return_value); +acpi_status acpi_get_register_unlocked(u32 register_id, u32 *return_value); + acpi_status acpi_set_register(u32 register_id, u32 value); acpi_status diff --git a/include/acpi/processor.h b/include/acpi/processor.h index 99934a999e6..26d79f6db8a 100644 --- a/include/acpi/processor.h +++ b/include/acpi/processor.h @@ -3,6 +3,7 @@ #include <linux/kernel.h> #include <linux/cpu.h> +#include <linux/cpuidle.h> #include <asm/acpi.h> @@ -75,7 +76,9 @@ struct acpi_processor_cx { }; struct acpi_processor_power { + struct cpuidle_device dev; struct acpi_processor_cx *state; + struct acpi_processor_cx *bm_state; unsigned long bm_check_timestamp; u32 default_state; u32 bm_activity; @@ -199,6 +202,7 @@ struct acpi_processor_flags { u8 bm_check:1; u8 has_cst:1; u8 power_setup_done:1; + u8 bm_rld_set:1; }; struct acpi_processor { @@ -322,6 +326,7 @@ int acpi_processor_power_exit(struct acpi_processor *pr, struct acpi_device *device); int acpi_processor_suspend(struct acpi_device * device, pm_message_t state); int acpi_processor_resume(struct acpi_device * device); +extern struct cpuidle_driver acpi_idle_driver; /* in processor_thermal.c */ int acpi_processor_get_limit_info(struct acpi_processor *pr); diff --git a/include/asm-alpha/bitops.h b/include/asm-alpha/bitops.h index 9e71201000d..9e19a704d48 100644 --- a/include/asm-alpha/bitops.h +++ b/include/asm-alpha/bitops.h @@ -1,7 +1,12 @@ #ifndef _ALPHA_BITOPS_H #define _ALPHA_BITOPS_H +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <asm/compiler.h> +#include <asm/barrier.h> /* * Copyright 1994, Linus Torvalds. @@ -69,6 +74,13 @@ clear_bit(unsigned long nr, volatile void * addr) :"Ir" (1UL << (nr & 31)), "m" (*m)); } +static inline void +clear_bit_unlock(unsigned long nr, volatile void * addr) +{ + smp_mb(); + clear_bit(nr, addr); +} + /* * WARNING: non atomic version. */ @@ -81,6 +93,13 @@ __clear_bit(unsigned long nr, volatile void * addr) } static inline void +__clear_bit_unlock(unsigned long nr, volatile void * addr) +{ + smp_mb(); + __clear_bit(nr, addr); +} + +static inline void change_bit(unsigned long nr, volatile void * addr) { unsigned long temp; @@ -117,6 +136,36 @@ test_and_set_bit(unsigned long nr, volatile void *addr) int *m = ((int *) addr) + (nr >> 5); __asm__ __volatile__( +#ifdef CONFIG_SMP + " mb\n" +#endif + "1: ldl_l %0,%4\n" + " and %0,%3,%2\n" + " bne %2,2f\n" + " xor %0,%3,%0\n" + " stl_c %0,%1\n" + " beq %0,3f\n" + "2:\n" +#ifdef CONFIG_SMP + " mb\n" +#endif + ".subsection 2\n" + "3: br 1b\n" + ".previous" + :"=&r" (temp), "=m" (*m), "=&r" (oldbit) + :"Ir" (1UL << (nr & 31)), "m" (*m) : "memory"); + + return oldbit != 0; +} + +static inline int +test_and_set_bit_lock(unsigned long nr, volatile void *addr) +{ + unsigned long oldbit; + unsigned long temp; + int *m = ((int *) addr) + (nr >> 5); + + __asm__ __volatile__( "1: ldl_l %0,%4\n" " and %0,%3,%2\n" " bne %2,2f\n" @@ -158,6 +207,9 @@ test_and_clear_bit(unsigned long nr, volatile void * addr) int *m = ((int *) addr) + (nr >> 5); __asm__ __volatile__( +#ifdef CONFIG_SMP + " mb\n" +#endif "1: ldl_l %0,%4\n" " and %0,%3,%2\n" " beq %2,2f\n" @@ -199,6 +251,9 @@ test_and_change_bit(unsigned long nr, volatile void * addr) int *m = ((int *) addr) + (nr >> 5); __asm__ __volatile__( +#ifdef CONFIG_SMP + " mb\n" +#endif "1: ldl_l %0,%4\n" " and %0,%3,%2\n" " xor %0,%3,%0\n" diff --git a/include/asm-alpha/tlbflush.h b/include/asm-alpha/tlbflush.h index 1ca3ed3bd6d..eefab3fb51a 100644 --- a/include/asm-alpha/tlbflush.h +++ b/include/asm-alpha/tlbflush.h @@ -92,17 +92,6 @@ flush_tlb_other(struct mm_struct *mm) if (*mmc) *mmc = 0; } -/* Flush a specified range of user mapping page tables from TLB. - Although Alpha uses VPTE caches, this can be a nop, as Alpha does - not have finegrained tlb flushing, so it will flush VPTE stuff - during next flush_tlb_range. */ - -static inline void -flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, - unsigned long end) -{ -} - #ifndef CONFIG_SMP /* Flush everything (kernel mapping may also have changed due to vmalloc/vfree). */ diff --git a/include/asm-arm/arch-ixp4xx/io.h b/include/asm-arm/arch-ixp4xx/io.h index c72f9d79417..eeeea90cd5a 100644 --- a/include/asm-arm/arch-ixp4xx/io.h +++ b/include/asm-arm/arch-ixp4xx/io.h @@ -17,9 +17,6 @@ #define IO_SPACE_LIMIT 0xffff0000 -#define BIT(x) ((1)<<(x)) - - extern int (*ixp4xx_pci_read)(u32 addr, u32 cmd, u32* data); extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data); diff --git a/include/asm-arm/arch-pxa/pm.h b/include/asm-arm/arch-pxa/pm.h index 6903db7fae1..9d9f4b54b2c 100644 --- a/include/asm-arm/arch-pxa/pm.h +++ b/include/asm-arm/arch-pxa/pm.h @@ -7,6 +7,8 @@ * */ +#include <linux/suspend.h> + struct pxa_cpu_pm_fns { int save_size; void (*save)(unsigned long *); diff --git a/include/asm-arm/bitops.h b/include/asm-arm/bitops.h index b41831b6432..47a6b086eee 100644 --- a/include/asm-arm/bitops.h +++ b/include/asm-arm/bitops.h @@ -19,6 +19,10 @@ #ifdef __KERNEL__ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <linux/compiler.h> #include <asm/system.h> @@ -286,6 +290,7 @@ static inline int constant_fls(int x) #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> /* * Ext2 is defined to use little-endian byte ordering. diff --git a/include/asm-arm/tlbflush.h b/include/asm-arm/tlbflush.h index 71be4fded7e..8c6bc1bb9d1 100644 --- a/include/asm-arm/tlbflush.h +++ b/include/asm-arm/tlbflush.h @@ -463,11 +463,6 @@ extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); */ extern void update_mmu_cache(struct vm_area_struct *vma, unsigned long addr, pte_t pte); -/* - * ARM processors do not cache TLB tables in RAM. - */ -#define flush_tlb_pgtables(mm,start,end) do { } while (0) - #endif #endif /* CONFIG_MMU */ diff --git a/include/asm-avr32/bitops.h b/include/asm-avr32/bitops.h index 5299f8c8e11..1a50b69b1a1 100644 --- a/include/asm-avr32/bitops.h +++ b/include/asm-avr32/bitops.h @@ -8,6 +8,10 @@ #ifndef __ASM_AVR32_BITOPS_H #define __ASM_AVR32_BITOPS_H +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <asm/byteorder.h> #include <asm/system.h> @@ -288,6 +292,7 @@ static inline int ffs(unsigned long word) #include <asm-generic/bitops/fls64.h> #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> #include <asm-generic/bitops/ext2-non-atomic.h> #include <asm-generic/bitops/ext2-atomic.h> diff --git a/include/asm-avr32/tlbflush.h b/include/asm-avr32/tlbflush.h index 730e268f81f..5bc7c88a577 100644 --- a/include/asm-avr32/tlbflush.h +++ b/include/asm-avr32/tlbflush.h @@ -19,7 +19,6 @@ * - flush_tlb_page(vma, vmaddr) flushes one page * - flush_tlb_range(vma, start, end) flushes a range of pages * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages - * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables */ extern void flush_tlb(void); extern void flush_tlb_all(void); @@ -29,12 +28,6 @@ extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long page); extern void __flush_tlb_page(unsigned long asid, unsigned long page); -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ - /* Nothing to do */ -} - extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); #endif /* __ASM_AVR32_TLBFLUSH_H */ diff --git a/include/asm-blackfin/bitops.h b/include/asm-blackfin/bitops.h index 27c2d0e48e1..b39a175c79c 100644 --- a/include/asm-blackfin/bitops.h +++ b/include/asm-blackfin/bitops.h @@ -11,6 +11,10 @@ #ifdef __KERNEL__ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <asm-generic/bitops/ffs.h> #include <asm-generic/bitops/__ffs.h> #include <asm-generic/bitops/sched.h> @@ -199,6 +203,7 @@ static __inline__ int __test_bit(int nr, const void *addr) #include <asm-generic/bitops/find.h> #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> #include <asm-generic/bitops/ext2-atomic.h> #include <asm-generic/bitops/ext2-non-atomic.h> diff --git a/include/asm-blackfin/processor.h b/include/asm-blackfin/processor.h index 6bb3e0d4705..c571e958558 100644 --- a/include/asm-blackfin/processor.h +++ b/include/asm-blackfin/processor.h @@ -104,13 +104,13 @@ unsigned long get_wchan(struct task_struct *p); #define cpu_relax() barrier() /* Get the Silicon Revision of the chip */ -static inline __attribute_pure__ uint32_t bfin_revid(void) +static inline uint32_t __pure bfin_revid(void) { /* stored in the upper 4 bits */ return bfin_read_CHIPID() >> 28; } -static inline __attribute_pure__ uint32_t bfin_compiled_revid(void) +static inline uint32_t __pure bfin_compiled_revid(void) { #if defined(CONFIG_BF_REV_0_0) return 0; diff --git a/include/asm-blackfin/tlbflush.h b/include/asm-blackfin/tlbflush.h index 10a07ba1e01..277b400924b 100644 --- a/include/asm-blackfin/tlbflush.h +++ b/include/asm-blackfin/tlbflush.h @@ -53,10 +53,4 @@ static inline void flush_tlb_kernel_page(unsigned long addr) BUG(); } -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ - BUG(); -} - #endif diff --git a/include/asm-cris/bitops.h b/include/asm-cris/bitops.h index a569065113d..e2f49c27ed2 100644 --- a/include/asm-cris/bitops.h +++ b/include/asm-cris/bitops.h @@ -14,6 +14,10 @@ /* Currently this is unsuitable for consumption outside the kernel. */ #ifdef __KERNEL__ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <asm/arch/bitops.h> #include <asm/system.h> #include <asm/atomic.h> @@ -154,6 +158,7 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr) #include <asm-generic/bitops/fls64.h> #include <asm-generic/bitops/hweight.h> #include <asm-generic/bitops/find.h> +#include <asm-generic/bitops/lock.h> #include <asm-generic/bitops/ext2-non-atomic.h> diff --git a/include/asm-cris/posix_types.h b/include/asm-cris/posix_types.h index 7b9ed22ab5d..92000d0c3f9 100644 --- a/include/asm-cris/posix_types.h +++ b/include/asm-cris/posix_types.h @@ -52,7 +52,7 @@ typedef struct { } __kernel_fsid_t; #ifdef __KERNEL__ -#include <asm/bitops.h> +#include <linux/bitops.h> #undef __FD_SET #define __FD_SET(fd,fdsetp) set_bit(fd, (void *)(fdsetp)) diff --git a/include/asm-cris/tlbflush.h b/include/asm-cris/tlbflush.h index 0569612477e..20697e7ef4f 100644 --- a/include/asm-cris/tlbflush.h +++ b/include/asm-cris/tlbflush.h @@ -38,13 +38,6 @@ static inline void flush_tlb_range(struct vm_area_struct * vma, unsigned long st flush_tlb_mm(vma->vm_mm); } -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ - /* CRIS does not keep any page table caches in TLB */ -} - - static inline void flush_tlb(void) { flush_tlb_mm(current->mm); diff --git a/include/asm-frv/bitops.h b/include/asm-frv/bitops.h index f8560edf59f..e29de7131b7 100644 --- a/include/asm-frv/bitops.h +++ b/include/asm-frv/bitops.h @@ -21,6 +21,10 @@ #ifdef __KERNEL__ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <asm-generic/bitops/ffz.h> /* @@ -302,6 +306,7 @@ int __ilog2_u64(u64 n) #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> #include <asm-generic/bitops/ext2-non-atomic.h> diff --git a/include/asm-frv/tlbflush.h b/include/asm-frv/tlbflush.h index 8370f97e41e..7ac5eafc5d9 100644 --- a/include/asm-frv/tlbflush.h +++ b/include/asm-frv/tlbflush.h @@ -57,7 +57,6 @@ do { \ #define __flush_tlb_global() flush_tlb_all() #define flush_tlb() flush_tlb_all() #define flush_tlb_kernel_range(start, end) flush_tlb_all() -#define flush_tlb_pgtables(mm,start,end) do { } while(0) #else @@ -66,7 +65,6 @@ do { \ #define flush_tlb_mm(mm) BUG() #define flush_tlb_page(vma,addr) BUG() #define flush_tlb_range(mm,start,end) BUG() -#define flush_tlb_pgtables(mm,start,end) BUG() #define flush_tlb_kernel_range(start, end) BUG() #endif diff --git a/include/asm-generic/bitops.h b/include/asm-generic/bitops.h index 1f9d99193df..15e6f253dda 100644 --- a/include/asm-generic/bitops.h +++ b/include/asm-generic/bitops.h @@ -19,9 +19,14 @@ #ifdef __KERNEL__ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/ffs.h> #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> #include <asm-generic/bitops/ext2-non-atomic.h> #include <asm-generic/bitops/ext2-atomic.h> diff --git a/include/asm-generic/bitops/atomic.h b/include/asm-generic/bitops/atomic.h index cd8a9641bd6..4657f3e410f 100644 --- a/include/asm-generic/bitops/atomic.h +++ b/include/asm-generic/bitops/atomic.h @@ -3,9 +3,6 @@ #include <asm/types.h> -#define BITOP_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) -#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG) - #ifdef CONFIG_SMP #include <asm/spinlock.h> #include <asm/cache.h> /* we use L1_CACHE_BYTES */ @@ -66,8 +63,8 @@ extern raw_spinlock_t __atomic_hash[ATOMIC_HASH_SIZE] __lock_aligned; */ static inline void set_bit(int nr, volatile unsigned long *addr) { - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long mask = BIT_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); unsigned long flags; _atomic_spin_lock_irqsave(p, flags); @@ -87,8 +84,8 @@ static inline void set_bit(int nr, volatile unsigned long *addr) */ static inline void clear_bit(int nr, volatile unsigned long *addr) { - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long mask = BIT_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); unsigned long flags; _atomic_spin_lock_irqsave(p, flags); @@ -108,8 +105,8 @@ static inline void clear_bit(int nr, volatile unsigned long *addr) */ static inline void change_bit(int nr, volatile unsigned long *addr) { - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long mask = BIT_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); unsigned long flags; _atomic_spin_lock_irqsave(p, flags); @@ -128,8 +125,8 @@ static inline void change_bit(int nr, volatile unsigned long *addr) */ static inline int test_and_set_bit(int nr, volatile unsigned long *addr) { - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long mask = BIT_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); unsigned long old; unsigned long flags; @@ -152,8 +149,8 @@ static inline int test_and_set_bit(int nr, volatile unsigned long *addr) */ static inline int test_and_clear_bit(int nr, volatile unsigned long *addr) { - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long mask = BIT_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); unsigned long old; unsigned long flags; @@ -175,8 +172,8 @@ static inline int test_and_clear_bit(int nr, volatile unsigned long *addr) */ static inline int test_and_change_bit(int nr, volatile unsigned long *addr) { - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long mask = BIT_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); unsigned long old; unsigned long flags; diff --git a/include/asm-generic/bitops/lock.h b/include/asm-generic/bitops/lock.h new file mode 100644 index 00000000000..308a9e22c80 --- /dev/null +++ b/include/asm-generic/bitops/lock.h @@ -0,0 +1,45 @@ +#ifndef _ASM_GENERIC_BITOPS_LOCK_H_ +#define _ASM_GENERIC_BITOPS_LOCK_H_ + +/** + * test_and_set_bit_lock - Set a bit and return its old value, for lock + * @nr: Bit to set + * @addr: Address to count from + * + * This operation is atomic and provides acquire barrier semantics. + * It can be used to implement bit locks. + */ +#define test_and_set_bit_lock(nr, addr) test_and_set_bit(nr, addr) + +/** + * clear_bit_unlock - Clear a bit in memory, for unlock + * @nr: the bit to set + * @addr: the address to start counting from + * + * This operation is atomic and provides release barrier semantics. + */ +#define clear_bit_unlock(nr, addr) \ +do { \ + smp_mb__before_clear_bit(); \ + clear_bit(nr, addr); \ +} while (0) + +/** + * __clear_bit_unlock - Clear a bit in memory, for unlock + * @nr: the bit to set + * @addr: the address to start counting from + * + * This operation is like clear_bit_unlock, however it is not atomic. + * It does provide release barrier semantics so it can be used to unlock + * a bit lock, however it would only be used if no other CPU can modify + * any bits in the memory until the lock is released (a good example is + * if the bit lock itself protects access to the other bits in the word). + */ +#define __clear_bit_unlock(nr, addr) \ +do { \ + smp_mb(); \ + __clear_bit(nr, addr); \ +} while (0) + +#endif /* _ASM_GENERIC_BITOPS_LOCK_H_ */ + diff --git a/include/asm-generic/bitops/non-atomic.h b/include/asm-generic/bitops/non-atomic.h index 46a825cf2ae..697cc2b7e0f 100644 --- a/include/asm-generic/bitops/non-atomic.h +++ b/include/asm-generic/bitops/non-atomic.h @@ -3,9 +3,6 @@ #include <asm/types.h> -#define BITOP_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) -#define BITOP_WORD(nr) ((nr) / BITS_PER_LONG) - /** * __set_bit - Set a bit in memory * @nr: the bit to set @@ -17,16 +14,16 @@ */ static inline void __set_bit(int nr, volatile unsigned long *addr) { - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long mask = BIT_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); *p |= mask; } static inline void __clear_bit(int nr, volatile unsigned long *addr) { - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long mask = BIT_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); *p &= ~mask; } @@ -42,8 +39,8 @@ static inline void __clear_bit(int nr, volatile unsigned long *addr) */ static inline void __change_bit(int nr, volatile unsigned long *addr) { - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long mask = BIT_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); *p ^= mask; } @@ -59,8 +56,8 @@ static inline void __change_bit(int nr, volatile unsigned long *addr) */ static inline int __test_and_set_bit(int nr, volatile unsigned long *addr) { - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long mask = BIT_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); unsigned long old = *p; *p = old | mask; @@ -78,8 +75,8 @@ static inline int __test_and_set_bit(int nr, volatile unsigned long *addr) */ static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr) { - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long mask = BIT_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); unsigned long old = *p; *p = old & ~mask; @@ -90,8 +87,8 @@ static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr) static inline int __test_and_change_bit(int nr, volatile unsigned long *addr) { - unsigned long mask = BITOP_MASK(nr); - unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + unsigned long mask = BIT_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr); unsigned long old = *p; *p = old ^ mask; @@ -105,7 +102,7 @@ static inline int __test_and_change_bit(int nr, */ static inline int test_bit(int nr, const volatile unsigned long *addr) { - return 1UL & (addr[BITOP_WORD(nr)] >> (nr & (BITS_PER_LONG-1))); + return 1UL & (addr[BIT_WORD(nr)] >> (nr & (BITS_PER_LONG-1))); } #endif /* _ASM_GENERIC_BITOPS_NON_ATOMIC_H_ */ diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 5615440027e..9f584cc5c5f 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -12,7 +12,11 @@ /* .data section */ #define DATA_DATA \ *(.data) \ - *(.data.init.refok) + *(.data.init.refok) \ + . = ALIGN(8); \ + VMLINUX_SYMBOL(__start___markers) = .; \ + *(__markers) \ + VMLINUX_SYMBOL(__stop___markers) = .; #define RO_DATA(align) \ . = ALIGN((align)); \ @@ -20,6 +24,7 @@ VMLINUX_SYMBOL(__start_rodata) = .; \ *(.rodata) *(.rodata.*) \ *(__vermagic) /* Kernel version magic */ \ + *(__markers_strings) /* Markers: strings */ \ } \ \ .rodata1 : AT(ADDR(.rodata1) - LOAD_OFFSET) { \ diff --git a/include/asm-h8300/bitops.h b/include/asm-h8300/bitops.h index d76299c98b8..cb18e3b0aa9 100644 --- a/include/asm-h8300/bitops.h +++ b/include/asm-h8300/bitops.h @@ -10,6 +10,11 @@ #include <asm/system.h> #ifdef __KERNEL__ + +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + /* * Function prototypes to keep gcc -Wall happy */ @@ -194,6 +199,7 @@ static __inline__ unsigned long __ffs(unsigned long word) #include <asm-generic/bitops/find.h> #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> #include <asm-generic/bitops/ext2-non-atomic.h> #include <asm-generic/bitops/ext2-atomic.h> #include <asm-generic/bitops/minix.h> diff --git a/include/asm-h8300/tlbflush.h b/include/asm-h8300/tlbflush.h index 9a2c5c9fd70..41c148a9208 100644 --- a/include/asm-h8300/tlbflush.h +++ b/include/asm-h8300/tlbflush.h @@ -52,10 +52,4 @@ static inline void flush_tlb_kernel_page(unsigned long addr) BUG(); } -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ - BUG(); -} - #endif /* _H8300_TLBFLUSH_H */ diff --git a/include/asm-ia64/bitops.h b/include/asm-ia64/bitops.h index 6cc517e212a..a977affaebe 100644 --- a/include/asm-ia64/bitops.h +++ b/include/asm-ia64/bitops.h @@ -9,6 +9,10 @@ * O(1) scheduler patch */ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <linux/compiler.h> #include <linux/types.h> #include <asm/intrinsics.h> @@ -94,6 +98,38 @@ clear_bit (int nr, volatile void *addr) } /** + * clear_bit_unlock - Clears a bit in memory with release + * @nr: Bit to clear + * @addr: Address to start counting from + * + * clear_bit_unlock() is atomic and may not be reordered. It does + * contain a memory barrier suitable for unlock type operations. + */ +static __inline__ void +clear_bit_unlock (int nr, volatile void *addr) +{ + __u32 mask, old, new; + volatile __u32 *m; + CMPXCHG_BUGCHECK_DECL + + m = (volatile __u32 *) addr + (nr >> 5); + mask = ~(1 << (nr & 31)); + do { + CMPXCHG_BUGCHECK(m); + old = *m; + new = old & mask; + } while (cmpxchg_rel(m, old, new) != old); +} + +/** + * __clear_bit_unlock - Non-atomically clear a bit with release + * + * This is like clear_bit_unlock, but the implementation may use a non-atomic + * store (this one uses an atomic, however). + */ +#define __clear_bit_unlock clear_bit_unlock + +/** * __clear_bit - Clears a bit in memory (non-atomic version) */ static __inline__ void @@ -170,6 +206,15 @@ test_and_set_bit (int nr, volatile void *addr) } /** + * test_and_set_bit_lock - Set a bit and return its old value for lock + * @nr: Bit to set + * @addr: Address to count from + * + * This is the same as test_and_set_bit on ia64 + */ +#define test_and_set_bit_lock test_and_set_bit + +/** * __test_and_set_bit - Set a bit and return its old value * @nr: Bit to set * @addr: Address to count from diff --git a/include/asm-ia64/cacheflush.h b/include/asm-ia64/cacheflush.h index 4906916d715..afcfbda76e2 100644 --- a/include/asm-ia64/cacheflush.h +++ b/include/asm-ia64/cacheflush.h @@ -7,8 +7,8 @@ */ #include <linux/page-flags.h> +#include <linux/bitops.h> -#include <asm/bitops.h> #include <asm/page.h> /* diff --git a/include/asm-ia64/meminit.h b/include/asm-ia64/meminit.h index 3a62878e84f..f93308f54b6 100644 --- a/include/asm-ia64/meminit.h +++ b/include/asm-ia64/meminit.h @@ -35,7 +35,7 @@ extern void find_memory (void); extern void reserve_memory (void); extern void find_initrd (void); extern int filter_rsvd_memory (unsigned long start, unsigned long end, void *arg); -extern void efi_memmap_init(unsigned long *, unsigned long *); +extern unsigned long efi_memmap_init(unsigned long *s, unsigned long *e); extern int find_max_min_low_pfn (unsigned long , unsigned long, void *); extern unsigned long vmcore_find_descriptor_size(unsigned long address); diff --git a/include/asm-ia64/pgtable.h b/include/asm-ia64/pgtable.h index 0971ec90807..e6204f14f61 100644 --- a/include/asm-ia64/pgtable.h +++ b/include/asm-ia64/pgtable.h @@ -150,7 +150,7 @@ # ifndef __ASSEMBLY__ #include <linux/sched.h> /* for mm_struct */ -#include <asm/bitops.h> +#include <linux/bitops.h> #include <asm/cacheflush.h> #include <asm/mmu_context.h> #include <asm/processor.h> diff --git a/include/asm-ia64/smp.h b/include/asm-ia64/smp.h index 1703c9d885b..471cc2ee9ac 100644 --- a/include/asm-ia64/smp.h +++ b/include/asm-ia64/smp.h @@ -14,8 +14,8 @@ #include <linux/threads.h> #include <linux/kernel.h> #include <linux/cpumask.h> +#include <linux/bitops.h> -#include <asm/bitops.h> #include <asm/io.h> #include <asm/param.h> #include <asm/processor.h> diff --git a/include/asm-ia64/spinlock.h b/include/asm-ia64/spinlock.h index ff857e31738..0229fb95fb3 100644 --- a/include/asm-ia64/spinlock.h +++ b/include/asm-ia64/spinlock.h @@ -11,9 +11,9 @@ #include <linux/compiler.h> #include <linux/kernel.h> +#include <linux/bitops.h> #include <asm/atomic.h> -#include <asm/bitops.h> #include <asm/intrinsics.h> #include <asm/system.h> diff --git a/include/asm-ia64/tlbflush.h b/include/asm-ia64/tlbflush.h index e37f9fbf33a..80bcb0a38e8 100644 --- a/include/asm-ia64/tlbflush.h +++ b/include/asm-ia64/tlbflush.h @@ -84,19 +84,6 @@ flush_tlb_page (struct vm_area_struct *vma, unsigned long addr) } /* - * Flush the TLB entries mapping the virtually mapped linear page - * table corresponding to address range [START-END). - */ -static inline void -flush_tlb_pgtables (struct mm_struct *mm, unsigned long start, unsigned long end) -{ - /* - * Deprecated. The virtual page table is now flushed via the normal gather/flush - * interface (see tlb.h). - */ -} - -/* * Flush the local TLB. Invoked from another cpu using an IPI. */ #ifdef CONFIG_SMP diff --git a/include/asm-m32r/bitops.h b/include/asm-m32r/bitops.h index 66ab672162c..6dc9b81bf9f 100644 --- a/include/asm-m32r/bitops.h +++ b/include/asm-m32r/bitops.h @@ -11,6 +11,10 @@ * Copyright (C) 2004 Hirokazu Takata <takata at linux-m32r.org> */ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <linux/compiler.h> #include <asm/assembler.h> #include <asm/system.h> @@ -255,6 +259,7 @@ static __inline__ int test_and_change_bit(int nr, volatile void * addr) #include <asm-generic/bitops/find.h> #include <asm-generic/bitops/ffs.h> #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> #endif /* __KERNEL__ */ diff --git a/include/asm-m32r/pgtable.h b/include/asm-m32r/pgtable.h index 92d7266783f..86505387be0 100644 --- a/include/asm-m32r/pgtable.h +++ b/include/asm-m32r/pgtable.h @@ -21,9 +21,9 @@ #ifndef __ASSEMBLY__ #include <linux/threads.h> +#include <linux/bitops.h> #include <asm/processor.h> #include <asm/addrspace.h> -#include <asm/bitops.h> #include <asm/page.h> struct mm_struct; diff --git a/include/asm-m32r/tlbflush.h b/include/asm-m32r/tlbflush.h index 3d37ac002bc..0ef95307784 100644 --- a/include/asm-m32r/tlbflush.h +++ b/include/asm-m32r/tlbflush.h @@ -12,7 +12,6 @@ * - flush_tlb_page(vma, vmaddr) flushes one page * - flush_tlb_range(vma, start, end) flushes a range of pages * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages - * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables */ extern void local_flush_tlb_all(void); @@ -93,8 +92,6 @@ static __inline__ void __flush_tlb_all(void) ); } -#define flush_tlb_pgtables(mm, start, end) do { } while (0) - extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t); #endif /* _ASM_M32R_TLBFLUSH_H */ diff --git a/include/asm-m68k/bitops.h b/include/asm-m68k/bitops.h index 1a61fdb56aa..2976b5d68e9 100644 --- a/include/asm-m68k/bitops.h +++ b/include/asm-m68k/bitops.h @@ -8,6 +8,10 @@ * for more details. */ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <linux/compiler.h> /* @@ -314,6 +318,7 @@ static inline int fls(int x) #include <asm-generic/bitops/fls64.h> #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> /* Bitmap functions for the minix filesystem */ diff --git a/include/asm-m68k/tlbflush.h b/include/asm-m68k/tlbflush.h index 31678831ee4..17707ec315e 100644 --- a/include/asm-m68k/tlbflush.h +++ b/include/asm-m68k/tlbflush.h @@ -92,11 +92,6 @@ static inline void flush_tlb_kernel_range(unsigned long start, unsigned long end flush_tlb_all(); } -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ -} - #else @@ -219,11 +214,6 @@ static inline void flush_tlb_kernel_page (unsigned long addr) sun3_put_segmap (addr & ~(SUN3_PMEG_SIZE - 1), SUN3_INVALID_PMEG); } -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ -} - #endif #endif /* _M68K_TLBFLUSH_H */ diff --git a/include/asm-m68knommu/bitops.h b/include/asm-m68knommu/bitops.h index 7d6075d9b5c..f8dfb7ba2e2 100644 --- a/include/asm-m68knommu/bitops.h +++ b/include/asm-m68knommu/bitops.h @@ -10,6 +10,10 @@ #ifdef __KERNEL__ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <asm-generic/bitops/ffs.h> #include <asm-generic/bitops/__ffs.h> #include <asm-generic/bitops/sched.h> @@ -160,6 +164,7 @@ static __inline__ int __test_bit(int nr, const volatile unsigned long * addr) #include <asm-generic/bitops/find.h> #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> static __inline__ int ext2_set_bit(int nr, volatile void * addr) { diff --git a/include/asm-m68knommu/tlbflush.h b/include/asm-m68knommu/tlbflush.h index de858db28b0..a470cfb803e 100644 --- a/include/asm-m68knommu/tlbflush.h +++ b/include/asm-m68knommu/tlbflush.h @@ -52,10 +52,4 @@ static inline void flush_tlb_kernel_page(unsigned long addr) BUG(); } -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ - BUG(); -} - #endif /* _M68KNOMMU_TLBFLUSH_H */ diff --git a/include/asm-mips/bitops.h b/include/asm-mips/bitops.h index 899357a72ac..ec75ce4cdb8 100644 --- a/include/asm-mips/bitops.h +++ b/include/asm-mips/bitops.h @@ -9,6 +9,10 @@ #ifndef _ASM_BITOPS_H #define _ASM_BITOPS_H +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <linux/compiler.h> #include <linux/irqflags.h> #include <linux/types.h> @@ -172,6 +176,20 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr) } /* + * clear_bit_unlock - Clears a bit in memory + * @nr: Bit to clear + * @addr: Address to start counting from + * + * clear_bit() is atomic and implies release semantics before the memory + * operation. It can be used for an unlock. + */ +static inline void clear_bit_unlock(unsigned long nr, volatile unsigned long *addr) +{ + smp_mb__before_clear_bit(); + clear_bit(nr, addr); +} + +/* * change_bit - Toggle a bit in memory * @nr: Bit to change * @addr: Address to start counting from @@ -240,6 +258,8 @@ static inline int test_and_set_bit(unsigned long nr, unsigned short bit = nr & SZLONG_MASK; unsigned long res; + smp_llsc_mb(); + if (cpu_has_llsc && R10000_LLSC_WAR) { unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); unsigned long temp; @@ -295,6 +315,73 @@ static inline int test_and_set_bit(unsigned long nr, } /* + * test_and_set_bit_lock - Set a bit and return its old value + * @nr: Bit to set + * @addr: Address to count from + * + * This operation is atomic and implies acquire ordering semantics + * after the memory operation. + */ +static inline int test_and_set_bit_lock(unsigned long nr, + volatile unsigned long *addr) +{ + unsigned short bit = nr & SZLONG_MASK; + unsigned long res; + + if (cpu_has_llsc && R10000_LLSC_WAR) { + unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); + unsigned long temp; + + __asm__ __volatile__( + " .set mips3 \n" + "1: " __LL "%0, %1 # test_and_set_bit \n" + " or %2, %0, %3 \n" + " " __SC "%2, %1 \n" + " beqzl %2, 1b \n" + " and %2, %0, %3 \n" + " .set mips0 \n" + : "=&r" (temp), "=m" (*m), "=&r" (res) + : "r" (1UL << bit), "m" (*m) + : "memory"); + } else if (cpu_has_llsc) { + unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); + unsigned long temp; + + __asm__ __volatile__( + " .set push \n" + " .set noreorder \n" + " .set mips3 \n" + "1: " __LL "%0, %1 # test_and_set_bit \n" + " or %2, %0, %3 \n" + " " __SC "%2, %1 \n" + " beqz %2, 2f \n" + " and %2, %0, %3 \n" + " .subsection 2 \n" + "2: b 1b \n" + " nop \n" + " .previous \n" + " .set pop \n" + : "=&r" (temp), "=m" (*m), "=&r" (res) + : "r" (1UL << bit), "m" (*m) + : "memory"); + } else { + volatile unsigned long *a = addr; + unsigned long mask; + unsigned long flags; + + a += nr >> SZLONG_LOG; + mask = 1UL << bit; + raw_local_irq_save(flags); + res = (mask & *a); + *a |= mask; + raw_local_irq_restore(flags); + } + + smp_llsc_mb(); + + return res != 0; +} +/* * test_and_clear_bit - Clear a bit and return its old value * @nr: Bit to clear * @addr: Address to count from @@ -308,6 +395,8 @@ static inline int test_and_clear_bit(unsigned long nr, unsigned short bit = nr & SZLONG_MASK; unsigned long res; + smp_llsc_mb(); + if (cpu_has_llsc && R10000_LLSC_WAR) { unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); unsigned long temp; @@ -396,6 +485,8 @@ static inline int test_and_change_bit(unsigned long nr, unsigned short bit = nr & SZLONG_MASK; unsigned long res; + smp_llsc_mb(); + if (cpu_has_llsc && R10000_LLSC_WAR) { unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); unsigned long temp; @@ -453,6 +544,21 @@ static inline int test_and_change_bit(unsigned long nr, #include <asm-generic/bitops/non-atomic.h> /* + * __clear_bit_unlock - Clears a bit in memory + * @nr: Bit to clear + * @addr: Address to start counting from + * + * __clear_bit() is non-atomic and implies release semantics before the memory + * operation. It can be used for an unlock if no other CPUs can concurrently + * modify other bits in the word. + */ +static inline void __clear_bit_unlock(unsigned long nr, volatile unsigned long *addr) +{ + smp_mb(); + __clear_bit(nr, addr); +} + +/* * Return the bit position (0..63) of the most significant 1 bit in a word * Returns -1 if no 1 bit exists */ diff --git a/include/asm-mips/fpu.h b/include/asm-mips/fpu.h index 483685b1592..e59d4c03966 100644 --- a/include/asm-mips/fpu.h +++ b/include/asm-mips/fpu.h @@ -12,12 +12,12 @@ #include <linux/sched.h> #include <linux/thread_info.h> +#include <linux/bitops.h> #include <asm/mipsregs.h> #include <asm/cpu.h> #include <asm/cpu-features.h> #include <asm/hazards.h> -#include <asm/bitops.h> #include <asm/processor.h> #include <asm/current.h> diff --git a/include/asm-mips/ip32/crime.h b/include/asm-mips/ip32/crime.h index a13702fafa8..7c36b0e5b1c 100644 --- a/include/asm-mips/ip32/crime.h +++ b/include/asm-mips/ip32/crime.h @@ -17,9 +17,6 @@ */ #define CRIME_BASE 0x14000000 /* physical */ -#undef BIT -#define BIT(x) (1UL << (x)) - struct sgi_crime { volatile unsigned long id; #define CRIME_ID_MASK 0xff diff --git a/include/asm-mips/ip32/mace.h b/include/asm-mips/ip32/mace.h index 990082c81f3..d08d7c67213 100644 --- a/include/asm-mips/ip32/mace.h +++ b/include/asm-mips/ip32/mace.h @@ -17,9 +17,6 @@ */ #define MACE_BASE 0x1f000000 /* physical */ -#undef BIT -#define BIT(x) (1UL << (x)) - /* * PCI interface */ diff --git a/include/asm-mips/mach-ip27/kernel-entry-init.h b/include/asm-mips/mach-ip27/kernel-entry-init.h index c1a10314b31..624d66c7f29 100644 --- a/include/asm-mips/mach-ip27/kernel-entry-init.h +++ b/include/asm-mips/mach-ip27/kernel-entry-init.h @@ -46,7 +46,14 @@ lh t1, KV_RO_NASID_OFFSET(t0) lh t2, KV_RW_NASID_OFFSET(t0) MAPPED_KERNEL_SETUP_TLB - ARC64_TWIDDLE_PC + + /* + * We might not get launched at the address the kernel is linked to, + * so we jump there. + */ + PTR_LA t0, 0f + jr t0 +0: .endm #endif /* __ASM_MACH_IP27_KERNEL_ENTRY_H */ diff --git a/include/asm-mips/sni.h b/include/asm-mips/sni.h index 4d43dbb7f8b..af081457f84 100644 --- a/include/asm-mips/sni.h +++ b/include/asm-mips/sni.h @@ -141,8 +141,6 @@ extern unsigned int sni_brd_type; #define A20R_PT_TIM0_ACK 0xbc050000 #define A20R_PT_TIM1_ACK 0xbc060000 -#define SNI_MIPS_IRQ_CPU_TIMER (MIPS_CPU_IRQ_BASE+7) - #define SNI_A20R_IRQ_BASE MIPS_CPU_IRQ_BASE #define SNI_A20R_IRQ_TIMER (SNI_A20R_IRQ_BASE+5) diff --git a/include/asm-mips/time.h b/include/asm-mips/time.h index 35555bd5c52..bc47af313bc 100644 --- a/include/asm-mips/time.h +++ b/include/asm-mips/time.h @@ -21,6 +21,7 @@ #include <linux/ptrace.h> #include <linux/rtc.h> #include <linux/spinlock.h> +#include <linux/clockchips.h> #include <linux/clocksource.h> extern spinlock_t rtc_lock; @@ -40,7 +41,6 @@ extern int rtc_mips_set_mmss(unsigned long); * mips_timer_ack may be NULL if the interrupt is self-recoverable. */ extern int (*mips_timer_state)(void); -extern void (*mips_timer_ack)(void); /* * High precision timer clocksource. @@ -76,6 +76,16 @@ extern int (*perf_irq)(void); /* * Initialize the calling CPU's compare interrupt as clockevent device */ +#ifdef CONFIG_CEVT_R4K extern void mips_clockevent_init(void); +#else +static inline void mips_clockevent_init(void) +{ +} +#endif + +extern void clocksource_set_clock(struct clocksource *cs, unsigned int clock); +extern void clockevent_set_clock(struct clock_event_device *cd, + unsigned int clock); #endif /* _ASM_TIME_H */ diff --git a/include/asm-mips/tlbflush.h b/include/asm-mips/tlbflush.h index 730e841fb08..86b21de12e9 100644 --- a/include/asm-mips/tlbflush.h +++ b/include/asm-mips/tlbflush.h @@ -11,7 +11,6 @@ * - flush_tlb_page(vma, vmaddr) flushes one page * - flush_tlb_range(vma, start, end) flushes a range of pages * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages - * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables */ extern void local_flush_tlb_all(void); extern void local_flush_tlb_mm(struct mm_struct *mm); @@ -45,10 +44,4 @@ extern void flush_tlb_one(unsigned long vaddr); #endif /* CONFIG_SMP */ -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ - /* Nothing to do on MIPS. */ -} - #endif /* __ASM_TLBFLUSH_H */ diff --git a/include/asm-parisc/bitops.h b/include/asm-parisc/bitops.h index 015cb0d379b..f8eebcbad01 100644 --- a/include/asm-parisc/bitops.h +++ b/include/asm-parisc/bitops.h @@ -1,6 +1,10 @@ #ifndef _PARISC_BITOPS_H #define _PARISC_BITOPS_H +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <linux/compiler.h> #include <asm/types.h> /* for BITS_PER_LONG/SHIFT_PER_LONG */ #include <asm/byteorder.h> @@ -208,6 +212,7 @@ static __inline__ int fls(int x) #include <asm-generic/bitops/fls64.h> #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> #include <asm-generic/bitops/sched.h> #endif /* __KERNEL__ */ diff --git a/include/asm-parisc/pgtable.h b/include/asm-parisc/pgtable.h index e88cacd6372..9ab79c8e5a4 100644 --- a/include/asm-parisc/pgtable.h +++ b/include/asm-parisc/pgtable.h @@ -11,9 +11,9 @@ */ #include <linux/mm.h> /* for vm_area_struct */ +#include <linux/bitops.h> #include <asm/processor.h> #include <asm/cache.h> -#include <asm/bitops.h> /* * kern_addr_valid(ADDR) tests if ADDR is pointing to valid kernel diff --git a/include/asm-parisc/tlbflush.h b/include/asm-parisc/tlbflush.h index 270cf309772..b72ec66db69 100644 --- a/include/asm-parisc/tlbflush.h +++ b/include/asm-parisc/tlbflush.h @@ -57,10 +57,6 @@ static inline void flush_tlb_mm(struct mm_struct *mm) #endif } -extern __inline__ void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, unsigned long end) -{ -} - static inline void flush_tlb_page(struct vm_area_struct *vma, unsigned long addr) { diff --git a/include/asm-powerpc/bitops.h b/include/asm-powerpc/bitops.h index 8144a2788db..733b4af7f4f 100644 --- a/include/asm-powerpc/bitops.h +++ b/include/asm-powerpc/bitops.h @@ -38,6 +38,10 @@ #ifdef __KERNEL__ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <linux/compiler.h> #include <asm/asm-compat.h> #include <asm/synch.h> @@ -86,6 +90,24 @@ static __inline__ void clear_bit(int nr, volatile unsigned long *addr) : "cc" ); } +static __inline__ void clear_bit_unlock(int nr, volatile unsigned long *addr) +{ + unsigned long old; + unsigned long mask = BITOP_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + + __asm__ __volatile__( + LWSYNC_ON_SMP +"1:" PPC_LLARX "%0,0,%3 # clear_bit_unlock\n" + "andc %0,%0,%2\n" + PPC405_ERR77(0,%3) + PPC_STLCX "%0,0,%3\n" + "bne- 1b" + : "=&r" (old), "+m" (*p) + : "r" (mask), "r" (p) + : "cc", "memory"); +} + static __inline__ void change_bit(int nr, volatile unsigned long *addr) { unsigned long old; @@ -125,6 +147,27 @@ static __inline__ int test_and_set_bit(unsigned long nr, return (old & mask) != 0; } +static __inline__ int test_and_set_bit_lock(unsigned long nr, + volatile unsigned long *addr) +{ + unsigned long old, t; + unsigned long mask = BITOP_MASK(nr); + unsigned long *p = ((unsigned long *)addr) + BITOP_WORD(nr); + + __asm__ __volatile__( +"1:" PPC_LLARX "%0,0,%3 # test_and_set_bit_lock\n" + "or %1,%0,%2 \n" + PPC405_ERR77(0,%3) + PPC_STLCX "%1,0,%3 \n" + "bne- 1b" + ISYNC_ON_SMP + : "=&r" (old), "=&r" (t) + : "r" (mask), "r" (p) + : "cc", "memory"); + + return (old & mask) != 0; +} + static __inline__ int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr) { @@ -185,6 +228,12 @@ static __inline__ void set_bits(unsigned long mask, unsigned long *addr) #include <asm-generic/bitops/non-atomic.h> +static __inline__ void __clear_bit_unlock(int nr, volatile unsigned long *addr) +{ + __asm__ __volatile__(LWSYNC_ON_SMP "" ::: "memory"); + __clear_bit(nr, addr); +} + /* * Return the zero-based bit position (LE, not IBM bit numbering) of * the most significant 1-bit in a double word. diff --git a/include/asm-powerpc/iommu.h b/include/asm-powerpc/iommu.h index 870967e4720..4a82fdccee9 100644 --- a/include/asm-powerpc/iommu.h +++ b/include/asm-powerpc/iommu.h @@ -26,9 +26,9 @@ #include <linux/spinlock.h> #include <linux/device.h> #include <linux/dma-mapping.h> +#include <linux/bitops.h> #include <asm/machdep.h> #include <asm/types.h> -#include <asm/bitops.h> #define IOMMU_PAGE_SHIFT 12 #define IOMMU_PAGE_SIZE (ASM_CONST(1) << IOMMU_PAGE_SHIFT) diff --git a/include/asm-powerpc/mmu_context.h b/include/asm-powerpc/mmu_context.h index f863ac21409..9102b8bf0ea 100644 --- a/include/asm-powerpc/mmu_context.h +++ b/include/asm-powerpc/mmu_context.h @@ -8,7 +8,7 @@ #ifndef CONFIG_PPC64 #include <asm/atomic.h> -#include <asm/bitops.h> +#include <linux/bitops.h> /* * On 32-bit PowerPC 6xx/7xx/7xxx CPUs, we use a set of 16 VSIDs diff --git a/include/asm-powerpc/mpc52xx.h b/include/asm-powerpc/mpc52xx.h index 24751df791a..568135fe52e 100644 --- a/include/asm-powerpc/mpc52xx.h +++ b/include/asm-powerpc/mpc52xx.h @@ -18,6 +18,8 @@ #include <asm/prom.h> #endif /* __ASSEMBLY__ */ +#include <linux/suspend.h> + /* ======================================================================== */ /* Structures mapping of some unit register set */ @@ -267,9 +269,9 @@ extern int mpc52xx_set_wakeup_gpio(u8 pin, u8 level); extern int __init lite5200_pm_init(void); /* lite5200 calls mpc5200 suspend functions, so here they are */ -extern int mpc52xx_pm_prepare(suspend_state_t); +extern int mpc52xx_pm_prepare(void); extern int mpc52xx_pm_enter(suspend_state_t); -extern int mpc52xx_pm_finish(suspend_state_t); +extern void mpc52xx_pm_finish(void); extern char saved_sram[0x4000]; /* reuse buffer from mpc52xx suspend */ #endif #endif /* CONFIG_PM */ diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h index fcd7b428ed0..98c6bd5756b 100644 --- a/include/asm-powerpc/paca.h +++ b/include/asm-powerpc/paca.h @@ -114,6 +114,9 @@ struct paca_struct { u64 user_time; /* accumulated usermode TB ticks */ u64 system_time; /* accumulated system TB ticks */ u64 startpurr; /* PURR/TB value snapshot */ + u64 startspurr; /* SPURR value snapshot */ + u64 purrdelta; /* FIXME: document */ + u64 spurrdelta; /* FIXME: document */ }; extern struct paca_struct paca[]; diff --git a/include/asm-powerpc/tlbflush.h b/include/asm-powerpc/tlbflush.h index a022f806bb2..b6b036ccee3 100644 --- a/include/asm-powerpc/tlbflush.h +++ b/include/asm-powerpc/tlbflush.h @@ -8,7 +8,6 @@ * - flush_tlb_page_nohash(vma, vmaddr) flushes one page if SW loaded TLB * - flush_tlb_range(vma, start, end) flushes a range of pages * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages - * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -174,15 +173,5 @@ extern void __flush_hash_table_range(struct mm_struct *mm, unsigned long start, */ extern void update_mmu_cache(struct vm_area_struct *, unsigned long, pte_t); -/* - * This is called in munmap when we have freed up some page-table - * pages. We don't need to do anything here, there's nothing special - * about our page-table pages. -- paulus - */ -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ -} - #endif /*__KERNEL__ */ #endif /* _ASM_POWERPC_TLBFLUSH_H */ diff --git a/include/asm-ppc/mmu_context.h b/include/asm-ppc/mmu_context.h index a6441a063e5..b2e25d8997b 100644 --- a/include/asm-ppc/mmu_context.h +++ b/include/asm-ppc/mmu_context.h @@ -2,8 +2,9 @@ #ifndef __PPC_MMU_CONTEXT_H #define __PPC_MMU_CONTEXT_H +#include <linux/bitops.h> + #include <asm/atomic.h> -#include <asm/bitops.h> #include <asm/mmu.h> #include <asm/cputable.h> #include <asm-generic/mm_hooks.h> diff --git a/include/asm-ppc/time.h b/include/asm-ppc/time.h index f7eadf6ac80..81dbcd43a50 100644 --- a/include/asm-ppc/time.h +++ b/include/asm-ppc/time.h @@ -57,7 +57,7 @@ static __inline__ void set_dec(unsigned int val) /* Accessor functions for the timebase (RTC on 601) registers. */ /* If one day CONFIG_POWER is added just define __USE_RTC as 1 */ #ifdef CONFIG_6xx -extern __inline__ int __attribute_pure__ __USE_RTC(void) { +extern __inline__ int __pure __USE_RTC(void) { return (mfspr(SPRN_PVR)>>16) == 1; } #else diff --git a/include/asm-s390/bitops.h b/include/asm-s390/bitops.h index f79c9b792af..34d9a6357c3 100644 --- a/include/asm-s390/bitops.h +++ b/include/asm-s390/bitops.h @@ -15,6 +15,10 @@ #ifdef __KERNEL__ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <linux/compiler.h> /* @@ -746,6 +750,7 @@ static inline int sched_find_first_bit(unsigned long *b) #include <asm-generic/bitops/fls64.h> #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> /* * ATTENTION: intel byte ordering convention for ext2 and minix !! diff --git a/include/asm-s390/tlbflush.h b/include/asm-s390/tlbflush.h index 66793f55c8b..6de2632a3e4 100644 --- a/include/asm-s390/tlbflush.h +++ b/include/asm-s390/tlbflush.h @@ -14,7 +14,6 @@ * - flush_tlb_page(vma, vmaddr) flushes one page * - flush_tlb_range(vma, start, end) flushes a range of pages * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages - * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables */ /* @@ -152,10 +151,4 @@ static inline void flush_tlb_range(struct vm_area_struct *vma, #endif -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ - /* S/390 does not keep any page table caches in TLB */ -} - #endif /* _S390_TLBFLUSH_H */ diff --git a/include/asm-sh/bitops.h b/include/asm-sh/bitops.h index 1c16792cee1..df805f20b26 100644 --- a/include/asm-sh/bitops.h +++ b/include/asm-sh/bitops.h @@ -2,6 +2,11 @@ #define __ASM_SH_BITOPS_H #ifdef __KERNEL__ + +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <asm/system.h> /* For __swab32 */ #include <asm/byteorder.h> @@ -137,6 +142,7 @@ static inline unsigned long __ffs(unsigned long word) #include <asm-generic/bitops/find.h> #include <asm-generic/bitops/ffs.h> #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/ext2-non-atomic.h> #include <asm-generic/bitops/ext2-atomic.h> diff --git a/include/asm-sh/tlbflush.h b/include/asm-sh/tlbflush.h index 455fb8da441..e0ac97221ae 100644 --- a/include/asm-sh/tlbflush.h +++ b/include/asm-sh/tlbflush.h @@ -9,7 +9,6 @@ * - flush_tlb_page(vma, vmaddr) flushes one page * - flush_tlb_range(vma, start, end) flushes a range of pages * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages - * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables */ extern void local_flush_tlb_all(void); extern void local_flush_tlb_mm(struct mm_struct *mm); @@ -47,9 +46,4 @@ extern void flush_tlb_one(unsigned long asid, unsigned long page); #endif /* CONFIG_SMP */ -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ - /* Nothing to do */ -} #endif /* __ASM_SH_TLBFLUSH_H */ diff --git a/include/asm-sh64/bitops.h b/include/asm-sh64/bitops.h index f3bdcdb5d04..600c59efb4c 100644 --- a/include/asm-sh64/bitops.h +++ b/include/asm-sh64/bitops.h @@ -13,6 +13,11 @@ */ #ifdef __KERNEL__ + +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <linux/compiler.h> #include <asm/system.h> /* For __swab32 */ @@ -136,6 +141,7 @@ static __inline__ unsigned long ffz(unsigned long word) #include <asm-generic/bitops/__ffs.h> #include <asm-generic/bitops/find.h> #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/ffs.h> #include <asm-generic/bitops/ext2-non-atomic.h> diff --git a/include/asm-sh64/tlbflush.h b/include/asm-sh64/tlbflush.h index e45beadc29e..16a164a2375 100644 --- a/include/asm-sh64/tlbflush.h +++ b/include/asm-sh64/tlbflush.h @@ -20,10 +20,6 @@ extern void flush_tlb_mm(struct mm_struct *mm); extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long page); -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ -} extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); diff --git a/include/asm-sparc/bitops.h b/include/asm-sparc/bitops.h index 329e696e775..cb3cefab6e0 100644 --- a/include/asm-sparc/bitops.h +++ b/include/asm-sparc/bitops.h @@ -14,6 +14,10 @@ #ifdef __KERNEL__ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + extern unsigned long ___set_bit(unsigned long *addr, unsigned long mask); extern unsigned long ___clear_bit(unsigned long *addr, unsigned long mask); extern unsigned long ___change_bit(unsigned long *addr, unsigned long mask); @@ -96,6 +100,7 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr) #include <asm-generic/bitops/fls.h> #include <asm-generic/bitops/fls64.h> #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> #include <asm-generic/bitops/find.h> #include <asm-generic/bitops/ext2-non-atomic.h> #include <asm-generic/bitops/ext2-atomic.h> diff --git a/include/asm-sparc/ioctls.h b/include/asm-sparc/ioctls.h index bdf77b0dfd8..058c2064f70 100644 --- a/include/asm-sparc/ioctls.h +++ b/include/asm-sparc/ioctls.h @@ -15,6 +15,10 @@ #define TCSETS _IOW('T', 9, struct termios) #define TCSETSW _IOW('T', 10, struct termios) #define TCSETSF _IOW('T', 11, struct termios) +#define TCGETS2 _IOR('T', 12, struct termios2) +#define TCSETS2 _IOW('T', 13, struct termios2) +#define TCSETSW2 _IOW('T', 14, struct termios2) +#define TCSETSF2 _IOW('T', 15, struct termios2) /* Note that all the ioctls that are not available in Linux have a * double underscore on the front to: a) avoid some programs to diff --git a/include/asm-sparc/of_platform.h b/include/asm-sparc/of_platform.h index 64a230064ef..d638737ff13 100644 --- a/include/asm-sparc/of_platform.h +++ b/include/asm-sparc/of_platform.h @@ -18,12 +18,9 @@ extern struct bus_type ebus_bus_type; extern struct bus_type sbus_bus_type; -extern struct bus_type of_platform_bus_type; + #define of_bus_type of_platform_bus_type /* for compatibility */ -extern int of_register_driver(struct of_platform_driver *drv, - struct bus_type *bus); -extern void of_unregister_driver(struct of_platform_driver *drv); extern struct of_device *of_platform_device_create(struct device_node *np, const char *bus_id, struct device *parent, diff --git a/include/asm-sparc/termbits.h b/include/asm-sparc/termbits.h index 5eb00a105d7..90cf2210118 100644 --- a/include/asm-sparc/termbits.h +++ b/include/asm-sparc/termbits.h @@ -31,6 +31,18 @@ struct termios { #endif }; +struct termios2 { + tcflag_t c_iflag; /* input mode flags */ + tcflag_t c_oflag; /* output mode flags */ + tcflag_t c_cflag; /* control mode flags */ + tcflag_t c_lflag; /* local mode flags */ + cc_t c_line; /* line discipline */ + cc_t c_cc[NCCS]; /* control characters */ + cc_t _x_cc[2]; /* padding to match ktermios */ + speed_t c_ispeed; /* input speed */ + speed_t c_ospeed; /* output speed */ +}; + struct ktermios { tcflag_t c_iflag; /* input mode flags */ tcflag_t c_oflag; /* output mode flags */ @@ -160,6 +172,7 @@ struct ktermios { #define CLOCAL 0x00000800 #define CBAUDEX 0x00001000 /* We'll never see these speeds with the Zilogs, but for completeness... */ +#define BOTHER 0x00001000 #define B57600 0x00001001 #define B115200 0x00001002 #define B230400 0x00001003 @@ -189,6 +202,8 @@ struct ktermios { #define CMSPAR 0x40000000 /* mark or space (stick) parity */ #define CRTSCTS 0x80000000 /* flow control */ +#define IBSHIFT 16 /* Shift from CBAUD to CIBAUD */ + /* c_lflag bits */ #define ISIG 0x00000001 #define ICANON 0x00000002 diff --git a/include/asm-sparc/termios.h b/include/asm-sparc/termios.h index d767f206ab3..4333232abb9 100644 --- a/include/asm-sparc/termios.h +++ b/include/asm-sparc/termios.h @@ -108,13 +108,55 @@ struct winsize { #define user_termios_to_kernel_termios(k, u) \ ({ \ + int err; \ + err = get_user((k)->c_iflag, &(u)->c_iflag); \ + err |= get_user((k)->c_oflag, &(u)->c_oflag); \ + err |= get_user((k)->c_cflag, &(u)->c_cflag); \ + err |= get_user((k)->c_lflag, &(u)->c_lflag); \ + err |= get_user((k)->c_line, &(u)->c_line); \ + err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \ + if ((k)->c_lflag & ICANON) { \ + err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \ + err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \ + } else { \ + err |= get_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \ + err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \ + } \ + err |= get_user((k)->c_ispeed, &(u)->c_ispeed); \ + err |= get_user((k)->c_ospeed, &(u)->c_ospeed); \ + err; \ +}) + +#define kernel_termios_to_user_termios(u, k) \ +({ \ + int err; \ + err = put_user((k)->c_iflag, &(u)->c_iflag); \ + err |= put_user((k)->c_oflag, &(u)->c_oflag); \ + err |= put_user((k)->c_cflag, &(u)->c_cflag); \ + err |= put_user((k)->c_lflag, &(u)->c_lflag); \ + err |= put_user((k)->c_line, &(u)->c_line); \ + err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \ + if (!((k)->c_lflag & ICANON)) { \ + err |= put_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \ + err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \ + } else { \ + err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \ + err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \ + } \ + err |= put_user((k)->c_ispeed, &(u)->c_ispeed); \ + err |= put_user((k)->c_ospeed, &(u)->c_ospeed); \ + err; \ +}) + +#define user_termios_to_kernel_termios_1(k, u) \ +({ \ get_user((k)->c_iflag, &(u)->c_iflag); \ get_user((k)->c_oflag, &(u)->c_oflag); \ get_user((k)->c_cflag, &(u)->c_cflag); \ get_user((k)->c_lflag, &(u)->c_lflag); \ get_user((k)->c_line, &(u)->c_line); \ copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \ - if((k)->c_lflag & ICANON) { \ + if ((k)->c_lflag & ICANON) { \ get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \ get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \ } else { \ @@ -124,7 +166,7 @@ struct winsize { 0; \ }) -#define kernel_termios_to_user_termios(u, k) \ +#define kernel_termios_to_user_termios_1(u, k) \ ({ \ put_user((k)->c_iflag, &(u)->c_iflag); \ put_user((k)->c_oflag, &(u)->c_oflag); \ @@ -132,7 +174,7 @@ struct winsize { put_user((k)->c_lflag, &(u)->c_lflag); \ put_user((k)->c_line, &(u)->c_line); \ copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \ - if(!((k)->c_lflag & ICANON)) { \ + if (!((k)->c_lflag & ICANON)) { \ put_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \ put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \ } else { \ diff --git a/include/asm-sparc/tlbflush.h b/include/asm-sparc/tlbflush.h index a619da5cfaa..b957e29d2ae 100644 --- a/include/asm-sparc/tlbflush.h +++ b/include/asm-sparc/tlbflush.h @@ -13,7 +13,6 @@ * - flush_tlb_page(vma, vmaddr) flushes one page * - flush_tlb_range(vma, start, end) flushes a range of pages * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages - * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables */ #ifdef CONFIG_SMP @@ -42,11 +41,6 @@ BTFIXUPDEF_CALL(void, flush_tlb_mm, struct mm_struct *) BTFIXUPDEF_CALL(void, flush_tlb_range, struct vm_area_struct *, unsigned long, unsigned long) BTFIXUPDEF_CALL(void, flush_tlb_page, struct vm_area_struct *, unsigned long) -// Thanks to Anton Blanchard, our pagetables became uncached in 2.4. Wee! -// extern void flush_tlb_pgtables(struct mm_struct *mm, -// unsigned long start, unsigned long end); -#define flush_tlb_pgtables(mm, start, end) do{ }while(0) - #define flush_tlb_all() BTFIXUP_CALL(flush_tlb_all)() #define flush_tlb_mm(mm) BTFIXUP_CALL(flush_tlb_mm)(mm) #define flush_tlb_range(vma,start,end) BTFIXUP_CALL(flush_tlb_range)(vma,start,end) diff --git a/include/asm-sparc64/backoff.h b/include/asm-sparc64/backoff.h new file mode 100644 index 00000000000..0e32f8b62fd --- /dev/null +++ b/include/asm-sparc64/backoff.h @@ -0,0 +1,28 @@ +#ifndef _SPARC64_BACKOFF_H +#define _SPARC64_BACKOFF_H + +#define BACKOFF_LIMIT (4 * 1024) + +#ifdef CONFIG_SMP + +#define BACKOFF_SETUP(reg) \ + mov 1, reg + +#define BACKOFF_SPIN(reg, tmp, label) \ + mov reg, tmp; \ +88: brnz,pt tmp, 88b; \ + sub tmp, 1, tmp; \ + cmp reg, BACKOFF_LIMIT; \ + bg,pn %xcc, label; \ + nop; \ + ba,pt %xcc, label; \ + sllx reg, 1, reg; + +#else + +#define BACKOFF_SETUP(reg) +#define BACKOFF_SPIN(reg, tmp, label) + +#endif + +#endif /* _SPARC64_BACKOFF_H */ diff --git a/include/asm-sparc64/bitops.h b/include/asm-sparc64/bitops.h index 3d5e1af8472..982ce8992b9 100644 --- a/include/asm-sparc64/bitops.h +++ b/include/asm-sparc64/bitops.h @@ -7,6 +7,10 @@ #ifndef _SPARC64_BITOPS_H #define _SPARC64_BITOPS_H +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <linux/compiler.h> #include <asm/byteorder.h> @@ -81,6 +85,7 @@ static inline unsigned int hweight8(unsigned int w) #include <asm-generic/bitops/hweight.h> #endif +#include <asm-generic/bitops/lock.h> #endif /* __KERNEL__ */ #include <asm-generic/bitops/find.h> diff --git a/include/asm-sparc64/ioctls.h b/include/asm-sparc64/ioctls.h index 2223b6d0e5e..083c9a0f37d 100644 --- a/include/asm-sparc64/ioctls.h +++ b/include/asm-sparc64/ioctls.h @@ -16,6 +16,10 @@ #define TCSETS _IOW('T', 9, struct termios) #define TCSETSW _IOW('T', 10, struct termios) #define TCSETSF _IOW('T', 11, struct termios) +#define TCGETS2 _IOR('T', 12, struct termios2) +#define TCSETS2 _IOW('T', 13, struct termios2) +#define TCSETSW2 _IOW('T', 14, struct termios2) +#define TCSETSF2 _IOW('T', 15, struct termios2) /* Note that all the ioctls that are not available in Linux have a * double underscore on the front to: a) avoid some programs to diff --git a/include/asm-sparc64/of_platform.h b/include/asm-sparc64/of_platform.h index f7c1f17c7d5..f15cfa72391 100644 --- a/include/asm-sparc64/of_platform.h +++ b/include/asm-sparc64/of_platform.h @@ -19,12 +19,9 @@ extern struct bus_type isa_bus_type; extern struct bus_type ebus_bus_type; extern struct bus_type sbus_bus_type; -extern struct bus_type of_platform_bus_type; + #define of_bus_type of_platform_bus_type /* for compatibility */ -extern int of_register_driver(struct of_platform_driver *drv, - struct bus_type *bus); -extern void of_unregister_driver(struct of_platform_driver *drv); extern struct of_device *of_platform_device_create(struct device_node *np, const char *bus_id, struct device *parent, diff --git a/include/asm-sparc64/smp.h b/include/asm-sparc64/smp.h index 42c09949526..1c1c5ea5cea 100644 --- a/include/asm-sparc64/smp.h +++ b/include/asm-sparc64/smp.h @@ -26,7 +26,7 @@ * Private routines/data */ -#include <asm/bitops.h> +#include <linux/bitops.h> #include <asm/atomic.h> #include <asm/percpu.h> diff --git a/include/asm-sparc64/termbits.h b/include/asm-sparc64/termbits.h index 705cd44b417..ebe31c152f1 100644 --- a/include/asm-sparc64/termbits.h +++ b/include/asm-sparc64/termbits.h @@ -5,8 +5,6 @@ typedef unsigned char cc_t; typedef unsigned int speed_t; - -/* XXX is this right for sparc64? it was an unsigned long... XXX */ typedef unsigned int tcflag_t; #define NCC 8 @@ -33,6 +31,18 @@ struct termios { #endif }; +struct termios2 { + tcflag_t c_iflag; /* input mode flags */ + tcflag_t c_oflag; /* output mode flags */ + tcflag_t c_cflag; /* control mode flags */ + tcflag_t c_lflag; /* local mode flags */ + cc_t c_line; /* line discipline */ + cc_t c_cc[NCCS]; /* control characters */ + cc_t _x_cc[2]; /* padding to match ktermios */ + speed_t c_ispeed; /* input speed */ + speed_t c_ospeed; /* output speed */ +}; + struct ktermios { tcflag_t c_iflag; /* input mode flags */ tcflag_t c_oflag; /* output mode flags */ @@ -161,6 +171,7 @@ struct ktermios { #define HUPCL 0x00000400 #define CLOCAL 0x00000800 #define CBAUDEX 0x00001000 +#define BOTHER 0x00001000 #define B57600 0x00001001 #define B115200 0x00001002 #define B230400 0x00001003 @@ -190,6 +201,8 @@ struct ktermios { #define CMSPAR 0x40000000 /* mark or space (stick) parity */ #define CRTSCTS 0x80000000 /* flow control */ +#define IBSHIFT 16 /* Shift from CBAUD to CIBAUD */ + /* c_lflag bits */ #define ISIG 0x00000001 #define ICANON 0x00000002 diff --git a/include/asm-sparc64/termios.h b/include/asm-sparc64/termios.h index f05d390993d..ef527211f8a 100644 --- a/include/asm-sparc64/termios.h +++ b/include/asm-sparc64/termios.h @@ -123,6 +123,8 @@ struct winsize { err |= get_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \ err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \ } \ + err |= get_user((k)->c_ispeed, &(u)->c_ispeed); \ + err |= get_user((k)->c_ospeed, &(u)->c_ospeed); \ err; \ }) @@ -142,6 +144,46 @@ struct winsize { err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \ err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \ } \ + err |= put_user((k)->c_ispeed, &(u)->c_ispeed); \ + err |= put_user((k)->c_ospeed, &(u)->c_ospeed); \ + err; \ +}) + +#define user_termios_to_kernel_termios_1(k, u) \ +({ \ + int err; \ + err = get_user((k)->c_iflag, &(u)->c_iflag); \ + err |= get_user((k)->c_oflag, &(u)->c_oflag); \ + err |= get_user((k)->c_cflag, &(u)->c_cflag); \ + err |= get_user((k)->c_lflag, &(u)->c_lflag); \ + err |= get_user((k)->c_line, &(u)->c_line); \ + err |= copy_from_user((k)->c_cc, (u)->c_cc, NCCS); \ + if((k)->c_lflag & ICANON) { \ + err |= get_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \ + err |= get_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \ + } else { \ + err |= get_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \ + err |= get_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \ + } \ + err; \ +}) + +#define kernel_termios_to_user_termios_1(u, k) \ +({ \ + int err; \ + err = put_user((k)->c_iflag, &(u)->c_iflag); \ + err |= put_user((k)->c_oflag, &(u)->c_oflag); \ + err |= put_user((k)->c_cflag, &(u)->c_cflag); \ + err |= put_user((k)->c_lflag, &(u)->c_lflag); \ + err |= put_user((k)->c_line, &(u)->c_line); \ + err |= copy_to_user((u)->c_cc, (k)->c_cc, NCCS); \ + if(!((k)->c_lflag & ICANON)) { \ + err |= put_user((k)->c_cc[VMIN], &(u)->c_cc[_VMIN]); \ + err |= put_user((k)->c_cc[VTIME], &(u)->c_cc[_VTIME]); \ + } else { \ + err |= put_user((k)->c_cc[VEOF], &(u)->c_cc[VEOF]); \ + err |= put_user((k)->c_cc[VEOL], &(u)->c_cc[VEOL]); \ + } \ err; \ }) diff --git a/include/asm-sparc64/tlbflush.h b/include/asm-sparc64/tlbflush.h index 3487328570e..fbb675dbe0c 100644 --- a/include/asm-sparc64/tlbflush.h +++ b/include/asm-sparc64/tlbflush.h @@ -41,11 +41,4 @@ do { flush_tsb_kernel_range(start,end); \ #endif /* ! CONFIG_SMP */ -static inline void flush_tlb_pgtables(struct mm_struct *mm, unsigned long start, unsigned long end) -{ - /* We don't use virtual page tables for TLB miss processing - * any more. Nowadays we use the TSB. - */ -} - #endif /* _SPARC64_TLBFLUSH_H */ diff --git a/include/asm-um/bitops.h b/include/asm-um/bitops.h index 46d781953d3..e4d38d437b9 100644 --- a/include/asm-um/bitops.h +++ b/include/asm-um/bitops.h @@ -1,6 +1,10 @@ #ifndef __UM_BITOPS_H #define __UM_BITOPS_H +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include "asm/arch/bitops.h" #endif diff --git a/include/asm-um/tlbflush.h b/include/asm-um/tlbflush.h index 9d647c55350..614f2c09117 100644 --- a/include/asm-um/tlbflush.h +++ b/include/asm-um/tlbflush.h @@ -17,7 +17,6 @@ * - flush_tlb_page(vma, vmaddr) flushes one page * - flush_tlb_kernel_vm() flushes the kernel vm area * - flush_tlb_range(vma, start, end) flushes a range of pages - * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables */ extern void flush_tlb_all(void); @@ -29,9 +28,4 @@ extern void flush_tlb_kernel_vm(void); extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); extern void __flush_tlb_one(unsigned long addr); -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ -} - #endif diff --git a/include/asm-v850/bitops.h b/include/asm-v850/bitops.h index 1fa99baf4e2..f82f5b4a56e 100644 --- a/include/asm-v850/bitops.h +++ b/include/asm-v850/bitops.h @@ -13,6 +13,9 @@ #ifndef __V850_BITOPS_H__ #define __V850_BITOPS_H__ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif #include <linux/compiler.h> /* unlikely */ #include <asm/byteorder.h> /* swab32 */ @@ -145,6 +148,7 @@ static inline int __test_bit (int nr, const void *addr) #include <asm-generic/bitops/find.h> #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> #include <asm-generic/bitops/ext2-non-atomic.h> #define ext2_set_bit_atomic(l,n,a) test_and_set_bit(n,a) diff --git a/include/asm-v850/tlbflush.h b/include/asm-v850/tlbflush.h index 5f2f85f636e..c44aa64449c 100644 --- a/include/asm-v850/tlbflush.h +++ b/include/asm-v850/tlbflush.h @@ -61,10 +61,4 @@ static inline void flush_tlb_kernel_page(unsigned long addr) BUG (); } -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ - BUG (); -} - #endif /* __V850_TLBFLUSH_H__ */ diff --git a/include/asm-x86/bitops_32.h b/include/asm-x86/bitops_32.h index a20fe9822f6..3268a341cf4 100644 --- a/include/asm-x86/bitops_32.h +++ b/include/asm-x86/bitops_32.h @@ -5,6 +5,10 @@ * Copyright 1992, Linus Torvalds. */ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <linux/compiler.h> #include <asm/alternative.h> @@ -402,6 +406,7 @@ static inline int fls(int x) } #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> #endif /* __KERNEL__ */ diff --git a/include/asm-x86/bitops_64.h b/include/asm-x86/bitops_64.h index 1d7d9b4bcac..dacaa5f1feb 100644 --- a/include/asm-x86/bitops_64.h +++ b/include/asm-x86/bitops_64.h @@ -5,6 +5,10 @@ * Copyright 1992, Linus Torvalds. */ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <asm/alternative.h> #if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 1) @@ -408,6 +412,7 @@ static __inline__ int fls(int x) #define ARCH_HAS_FAST_MULTIPLIER 1 #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> #endif /* __KERNEL__ */ diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h index acd4b339c49..ed3e70d8d04 100644 --- a/include/asm-x86/pgtable_32.h +++ b/include/asm-x86/pgtable_32.h @@ -17,10 +17,7 @@ #include <linux/threads.h> #include <asm/paravirt.h> -#ifndef _I386_BITOPS_H -#include <asm/bitops.h> -#endif - +#include <linux/bitops.h> #include <linux/slab.h> #include <linux/list.h> #include <linux/spinlock.h> diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h index a79f5355e3b..9b0ff477b39 100644 --- a/include/asm-x86/pgtable_64.h +++ b/include/asm-x86/pgtable_64.h @@ -9,7 +9,7 @@ * the x86-64 page table tree. */ #include <asm/processor.h> -#include <asm/bitops.h> +#include <linux/bitops.h> #include <linux/threads.h> #include <asm/pda.h> diff --git a/include/asm-x86/smp_32.h b/include/asm-x86/smp_32.h index ee46038d126..1f576a93368 100644 --- a/include/asm-x86/smp_32.h +++ b/include/asm-x86/smp_32.h @@ -11,7 +11,7 @@ #endif #if defined(CONFIG_X86_LOCAL_APIC) && !defined(__ASSEMBLY__) -#include <asm/bitops.h> +#include <linux/bitops.h> #include <asm/mpspec.h> #include <asm/apic.h> #ifdef CONFIG_X86_IO_APIC diff --git a/include/asm-x86/suspend_64.h b/include/asm-x86/suspend_64.h index b897e8cb55f..9440a7a1b99 100644 --- a/include/asm-x86/suspend_64.h +++ b/include/asm-x86/suspend_64.h @@ -53,3 +53,5 @@ extern unsigned long saved_rdi; /* routines for saving/restoring kernel state */ extern int acpi_save_state_mem(void); +extern char core_restore_code; +extern char restore_registers; diff --git a/include/asm-x86/tlbflush_32.h b/include/asm-x86/tlbflush_32.h index a50fa674148..2bd5b95e204 100644 --- a/include/asm-x86/tlbflush_32.h +++ b/include/asm-x86/tlbflush_32.h @@ -78,7 +78,6 @@ * - flush_tlb_page(vma, vmaddr) flushes one page * - flush_tlb_range(vma, start, end) flushes a range of pages * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages - * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables * - flush_tlb_others(cpumask, mm, va) flushes a TLBs on other cpus * * ..but the i386 has somewhat limited tlb flushing capabilities, @@ -166,10 +165,4 @@ static inline void flush_tlb_kernel_range(unsigned long start, flush_tlb_all(); } -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ - /* i386 does not keep any page table caches in TLB */ -} - #endif /* _I386_TLBFLUSH_H */ diff --git a/include/asm-x86/tlbflush_64.h b/include/asm-x86/tlbflush_64.h index 888eb4abdd0..7731fd23d57 100644 --- a/include/asm-x86/tlbflush_64.h +++ b/include/asm-x86/tlbflush_64.h @@ -31,7 +31,6 @@ static inline void __flush_tlb_all(void) * - flush_tlb_page(vma, vmaddr) flushes one page * - flush_tlb_range(vma, start, end) flushes a range of pages * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages - * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables * * x86-64 can only flush individual pages or full VMs. For a range flush * we always do the full VM. Might be worth trying if for a small @@ -98,12 +97,4 @@ static inline void flush_tlb_kernel_range(unsigned long start, flush_tlb_all(); } -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ - /* x86_64 does not keep any page table caches in a software TLB. - The CPUs do in their hardware TLBs, but they are handled - by the normal TLB flushing algorithms. */ -} - #endif /* _X8664_TLBFLUSH_H */ diff --git a/include/asm-x86/topology_64.h b/include/asm-x86/topology_64.h index 848c17f9222..c0c93d74467 100644 --- a/include/asm-x86/topology_64.h +++ b/include/asm-x86/topology_64.h @@ -5,7 +5,7 @@ #ifdef CONFIG_NUMA #include <asm/mpspec.h> -#include <asm/bitops.h> +#include <linux/bitops.h> extern cpumask_t cpu_online_map; diff --git a/include/asm-xtensa/bitops.h b/include/asm-xtensa/bitops.h index 1c1e0d933ee..23261e8f2e5 100644 --- a/include/asm-xtensa/bitops.h +++ b/include/asm-xtensa/bitops.h @@ -15,6 +15,10 @@ #ifdef __KERNEL__ +#ifndef _LINUX_BITOPS_H +#error only <linux/bitops.h> can be included directly +#endif + #include <asm/processor.h> #include <asm/byteorder.h> #include <asm/system.h> @@ -108,6 +112,7 @@ static inline int fls (unsigned int x) #endif #include <asm-generic/bitops/hweight.h> +#include <asm-generic/bitops/lock.h> #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/minix.h> diff --git a/include/asm-xtensa/tlbflush.h b/include/asm-xtensa/tlbflush.h index 7c637b3c352..46d240074f7 100644 --- a/include/asm-xtensa/tlbflush.h +++ b/include/asm-xtensa/tlbflush.h @@ -41,17 +41,6 @@ extern void flush_tlb_range(struct vm_area_struct*,unsigned long,unsigned long); #define flush_tlb_kernel_range(start,end) flush_tlb_all() - -/* This is calld in munmap when we have freed up some page-table pages. - * We don't need to do anything here, there's nothing special about our - * page-table pages. - */ - -static inline void flush_tlb_pgtables(struct mm_struct *mm, - unsigned long start, unsigned long end) -{ -} - /* TLB operations. */ static inline unsigned long itlb_probe(unsigned long addr) diff --git a/include/linux/Kbuild b/include/linux/Kbuild index 7ac8303c847..e3ffd14a3f0 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -47,6 +47,7 @@ header-y += coda_psdev.h header-y += coff.h header-y += comstats.h header-y += const.h +header-y += cgroupstats.h header-y += cycx_cfm.h header-y += dlm_device.h header-y += dlm_netlink.h diff --git a/include/linux/acpi.h b/include/linux/acpi.h index bf5e0009de7..8ccedf7a0a5 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -189,32 +189,6 @@ extern int ec_transaction(u8 command, extern int acpi_blacklisted(void); extern void acpi_bios_year(char *s); -#define ACPI_CSTATE_LIMIT_DEFINED /* for driver builds */ -#ifdef CONFIG_ACPI - -/* - * Set highest legal C-state - * 0: C0 okay, but not C1 - * 1: C1 okay, but not C2 - * 2: C2 okay, but not C3 etc. - */ - -extern unsigned int max_cstate; - -static inline unsigned int acpi_get_cstate_limit(void) -{ - return max_cstate; -} -static inline void acpi_set_cstate_limit(unsigned int new_limit) -{ - max_cstate = new_limit; - return; -} -#else -static inline unsigned int acpi_get_cstate_limit(void) { return 0; } -static inline void acpi_set_cstate_limit(unsigned int new_limit) { return; } -#endif - #ifdef CONFIG_ACPI_NUMA int acpi_get_pxm(acpi_handle handle); int acpi_get_node(acpi_handle *handle); diff --git a/include/linux/aio.h b/include/linux/aio.h index d10e608f232..7ef8de66200 100644 --- a/include/linux/aio.h +++ b/include/linux/aio.h @@ -232,18 +232,6 @@ int FASTCALL(io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb, __put_ioctx(kioctx); \ } while (0) -#define in_aio() (unlikely(!is_sync_wait(current->io_wait))) - -/* may be used for debugging */ -#define warn_if_async() \ -do { \ - if (in_aio()) { \ - printk(KERN_ERR "%s(%s:%d) called in async context!\n", \ - __FUNCTION__, __FILE__, __LINE__); \ - dump_stack(); \ - } \ -} while (0) - #define io_wait_to_kiocb(wait) container_of(wait, struct kiocb, ki_wait) #include <linux/aio_abi.h> diff --git a/include/linux/bit_spinlock.h b/include/linux/bit_spinlock.h index 6b20af0bbb7..7113a32a86e 100644 --- a/include/linux/bit_spinlock.h +++ b/include/linux/bit_spinlock.h @@ -18,7 +18,7 @@ static inline void bit_spin_lock(int bitnum, unsigned long *addr) */ preempt_disable(); #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) - while (test_and_set_bit(bitnum, addr)) { + while (unlikely(test_and_set_bit_lock(bitnum, addr))) { while (test_bit(bitnum, addr)) { preempt_enable(); cpu_relax(); @@ -36,7 +36,7 @@ static inline int bit_spin_trylock(int bitnum, unsigned long *addr) { preempt_disable(); #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) - if (test_and_set_bit(bitnum, addr)) { + if (unlikely(test_and_set_bit_lock(bitnum, addr))) { preempt_enable(); return 0; } @@ -50,10 +50,28 @@ static inline int bit_spin_trylock(int bitnum, unsigned long *addr) */ static inline void bit_spin_unlock(int bitnum, unsigned long *addr) { +#ifdef CONFIG_DEBUG_SPINLOCK + BUG_ON(!test_bit(bitnum, addr)); +#endif #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) + clear_bit_unlock(bitnum, addr); +#endif + preempt_enable(); + __release(bitlock); +} + +/* + * bit-based spin_unlock() + * non-atomic version, which can be used eg. if the bit lock itself is + * protecting the rest of the flags in the word. + */ +static inline void __bit_spin_unlock(int bitnum, unsigned long *addr) +{ +#ifdef CONFIG_DEBUG_SPINLOCK BUG_ON(!test_bit(bitnum, addr)); - smp_mb__before_clear_bit(); - clear_bit(bitnum, addr); +#endif +#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) + __clear_bit_unlock(bitnum, addr); #endif preempt_enable(); __release(bitlock); diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 64b4641904f..acad1105d94 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -6,6 +6,7 @@ #include <linux/types.h> #include <linux/bitops.h> #include <linux/string.h> +#include <linux/kernel.h> /* * bitmaps provide bit arrays that consume one or more unsigned diff --git a/include/linux/bitops.h b/include/linux/bitops.h index b9fb8ee3308..69c1edb9fe5 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -2,6 +2,14 @@ #define _LINUX_BITOPS_H #include <asm/types.h> +#ifdef __KERNEL__ +#define BIT(nr) (1UL << (nr)) +#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG)) +#define BIT_WORD(nr) ((nr) / BITS_PER_LONG) +#define BITS_TO_LONGS(nr) DIV_ROUND_UP(nr, BITS_PER_LONG) +#define BITS_PER_BYTE 8 +#endif + /* * Include this here because some architectures need generic_ffs/fls in * scope diff --git a/include/linux/capability.h b/include/linux/capability.h index 8961e7fb755..7a8d7ade28a 100644 --- a/include/linux/capability.h +++ b/include/linux/capability.h @@ -310,10 +310,6 @@ typedef __u32 kernel_cap_t; #define CAP_SETFCAP 31 #ifdef __KERNEL__ -/* - * Bounding set - */ -extern kernel_cap_t cap_bset; /* * Internal kernel functions only diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h new file mode 100644 index 00000000000..87479328d46 --- /dev/null +++ b/include/linux/cgroup.h @@ -0,0 +1,327 @@ +#ifndef _LINUX_CGROUP_H +#define _LINUX_CGROUP_H +/* + * cgroup interface + * + * Copyright (C) 2003 BULL SA + * Copyright (C) 2004-2006 Silicon Graphics, Inc. + * + */ + +#include <linux/sched.h> +#include <linux/kref.h> +#include <linux/cpumask.h> +#include <linux/nodemask.h> +#include <linux/rcupdate.h> +#include <linux/cgroupstats.h> + +#ifdef CONFIG_CGROUPS + +struct cgroupfs_root; +struct cgroup_subsys; +struct inode; + +extern int cgroup_init_early(void); +extern int cgroup_init(void); +extern void cgroup_init_smp(void); +extern void cgroup_lock(void); +extern void cgroup_unlock(void); +extern void cgroup_fork(struct task_struct *p); +extern void cgroup_fork_callbacks(struct task_struct *p); +extern void cgroup_post_fork(struct task_struct *p); +extern void cgroup_exit(struct task_struct *p, int run_callbacks); +extern int cgroupstats_build(struct cgroupstats *stats, + struct dentry *dentry); + +extern struct file_operations proc_cgroup_operations; + +/* Define the enumeration of all cgroup subsystems */ +#define SUBSYS(_x) _x ## _subsys_id, +enum cgroup_subsys_id { +#include <linux/cgroup_subsys.h> + CGROUP_SUBSYS_COUNT +}; +#undef SUBSYS + +/* Per-subsystem/per-cgroup state maintained by the system. */ +struct cgroup_subsys_state { + /* The cgroup that this subsystem is attached to. Useful + * for subsystems that want to know about the cgroup + * hierarchy structure */ + struct cgroup *cgroup; + + /* State maintained by the cgroup system to allow + * subsystems to be "busy". Should be accessed via css_get() + * and css_put() */ + + atomic_t refcnt; + + unsigned long flags; +}; + +/* bits in struct cgroup_subsys_state flags field */ +enum { + CSS_ROOT, /* This CSS is the root of the subsystem */ +}; + +/* + * Call css_get() to hold a reference on the cgroup; + * + */ + +static inline void css_get(struct cgroup_subsys_state *css) +{ + /* We don't need to reference count the root state */ + if (!test_bit(CSS_ROOT, &css->flags)) + atomic_inc(&css->refcnt); +} +/* + * css_put() should be called to release a reference taken by + * css_get() + */ + +extern void __css_put(struct cgroup_subsys_state *css); +static inline void css_put(struct cgroup_subsys_state *css) +{ + if (!test_bit(CSS_ROOT, &css->flags)) + __css_put(css); +} + +struct cgroup { + unsigned long flags; /* "unsigned long" so bitops work */ + + /* count users of this cgroup. >0 means busy, but doesn't + * necessarily indicate the number of tasks in the + * cgroup */ + atomic_t count; + + /* + * We link our 'sibling' struct into our parent's 'children'. + * Our children link their 'sibling' into our 'children'. + */ + struct list_head sibling; /* my parent's children */ + struct list_head children; /* my children */ + + struct cgroup *parent; /* my parent */ + struct dentry *dentry; /* cgroup fs entry */ + + /* Private pointers for each registered subsystem */ + struct cgroup_subsys_state *subsys[CGROUP_SUBSYS_COUNT]; + + struct cgroupfs_root *root; + struct cgroup *top_cgroup; + + /* + * List of cg_cgroup_links pointing at css_sets with + * tasks in this cgroup. Protected by css_set_lock + */ + struct list_head css_sets; + + /* + * Linked list running through all cgroups that can + * potentially be reaped by the release agent. Protected by + * release_list_lock + */ + struct list_head release_list; +}; + +/* A css_set is a structure holding pointers to a set of + * cgroup_subsys_state objects. This saves space in the task struct + * object and speeds up fork()/exit(), since a single inc/dec and a + * list_add()/del() can bump the reference count on the entire + * cgroup set for a task. + */ + +struct css_set { + + /* Reference count */ + struct kref ref; + + /* + * List running through all cgroup groups. Protected by + * css_set_lock + */ + struct list_head list; + + /* + * List running through all tasks using this cgroup + * group. Protected by css_set_lock + */ + struct list_head tasks; + + /* + * List of cg_cgroup_link objects on link chains from + * cgroups referenced from this css_set. Protected by + * css_set_lock + */ + struct list_head cg_links; + + /* + * Set of subsystem states, one for each subsystem. This array + * is immutable after creation apart from the init_css_set + * during subsystem registration (at boot time). + */ + struct cgroup_subsys_state *subsys[CGROUP_SUBSYS_COUNT]; + +}; + +/* struct cftype: + * + * The files in the cgroup filesystem mostly have a very simple read/write + * handling, some common function will take care of it. Nevertheless some cases + * (read tasks) are special and therefore I define this structure for every + * kind of file. + * + * + * When reading/writing to a file: + * - the cgroup to use in file->f_dentry->d_parent->d_fsdata + * - the 'cftype' of the file is file->f_dentry->d_fsdata + */ + +#define MAX_CFTYPE_NAME 64 +struct cftype { + /* By convention, the name should begin with the name of the + * subsystem, followed by a period */ + char name[MAX_CFTYPE_NAME]; + int private; + int (*open) (struct inode *inode, struct file *file); + ssize_t (*read) (struct cgroup *cont, struct cftype *cft, + struct file *file, + char __user *buf, size_t nbytes, loff_t *ppos); + /* + * read_uint() is a shortcut for the common case of returning a + * single integer. Use it in place of read() + */ + u64 (*read_uint) (struct cgroup *cont, struct cftype *cft); + ssize_t (*write) (struct cgroup *cont, struct cftype *cft, + struct file *file, + const char __user *buf, size_t nbytes, loff_t *ppos); + + /* + * write_uint() is a shortcut for the common case of accepting + * a single integer (as parsed by simple_strtoull) from + * userspace. Use in place of write(); return 0 or error. + */ + int (*write_uint) (struct cgroup *cont, struct cftype *cft, u64 val); + + int (*release) (struct inode *inode, struct file *file); +}; + +/* Add a new file to the given cgroup directory. Should only be + * called by subsystems from within a populate() method */ +int cgroup_add_file(struct cgroup *cont, struct cgroup_subsys *subsys, + const struct cftype *cft); + +/* Add a set of new files to the given cgroup directory. Should + * only be called by subsystems from within a populate() method */ +int cgroup_add_files(struct cgroup *cont, + struct cgroup_subsys *subsys, + const struct cftype cft[], + int count); + +int cgroup_is_removed(const struct cgroup *cont); + +int cgroup_path(const struct cgroup *cont, char *buf, int buflen); + +int cgroup_task_count(const struct cgroup *cont); + +/* Return true if the cgroup is a descendant of the current cgroup */ +int cgroup_is_descendant(const struct cgroup *cont); + +/* Control Group subsystem type. See Documentation/cgroups.txt for details */ + +struct cgroup_subsys { + struct cgroup_subsys_state *(*create)(struct cgroup_subsys *ss, + struct cgroup *cont); + void (*destroy)(struct cgroup_subsys *ss, struct cgroup *cont); + int (*can_attach)(struct cgroup_subsys *ss, + struct cgroup *cont, struct task_struct *tsk); + void (*attach)(struct cgroup_subsys *ss, struct cgroup *cont, + struct cgroup *old_cont, struct task_struct *tsk); + void (*fork)(struct cgroup_subsys *ss, struct task_struct *task); + void (*exit)(struct cgroup_subsys *ss, struct task_struct *task); + int (*populate)(struct cgroup_subsys *ss, + struct cgroup *cont); + void (*post_clone)(struct cgroup_subsys *ss, struct cgroup *cont); + void (*bind)(struct cgroup_subsys *ss, struct cgroup *root); + int subsys_id; + int active; + int early_init; +#define MAX_CGROUP_TYPE_NAMELEN 32 + const char *name; + + /* Protected by RCU */ + struct cgroupfs_root *root; + + struct list_head sibling; + + void *private; +}; + +#define SUBSYS(_x) extern struct cgroup_subsys _x ## _subsys; +#include <linux/cgroup_subsys.h> +#undef SUBSYS + +static inline struct cgroup_subsys_state *cgroup_subsys_state( + struct cgroup *cont, int subsys_id) +{ + return cont->subsys[subsys_id]; +} + +static inline struct cgroup_subsys_state *task_subsys_state( + struct task_struct *task, int subsys_id) +{ + return rcu_dereference(task->cgroups->subsys[subsys_id]); +} + +static inline struct cgroup* task_cgroup(struct task_struct *task, + int subsys_id) +{ + return task_subsys_state(task, subsys_id)->cgroup; +} + +int cgroup_path(const struct cgroup *cont, char *buf, int buflen); + +int cgroup_clone(struct task_struct *tsk, struct cgroup_subsys *ss); + +/* A cgroup_iter should be treated as an opaque object */ +struct cgroup_iter { + struct list_head *cg_link; + struct list_head *task; +}; + +/* To iterate across the tasks in a cgroup: + * + * 1) call cgroup_iter_start to intialize an iterator + * + * 2) call cgroup_iter_next() to retrieve member tasks until it + * returns NULL or until you want to end the iteration + * + * 3) call cgroup_iter_end() to destroy the iterator. + */ +void cgroup_iter_start(struct cgroup *cont, struct cgroup_iter *it); +struct task_struct *cgroup_iter_next(struct cgroup *cont, + struct cgroup_iter *it); +void cgroup_iter_end(struct cgroup *cont, struct cgroup_iter *it); + +#else /* !CONFIG_CGROUPS */ + +static inline int cgroup_init_early(void) { return 0; } +static inline int cgroup_init(void) { return 0; } +static inline void cgroup_init_smp(void) {} +static inline void cgroup_fork(struct task_struct *p) {} +static inline void cgroup_fork_callbacks(struct task_struct *p) {} +static inline void cgroup_post_fork(struct task_struct *p) {} +static inline void cgroup_exit(struct task_struct *p, int callbacks) {} + +static inline void cgroup_lock(void) {} +static inline void cgroup_unlock(void) {} +static inline int cgroupstats_build(struct cgroupstats *stats, + struct dentry *dentry) +{ + return -EINVAL; +} + +#endif /* !CONFIG_CGROUPS */ + +#endif /* _LINUX_CGROUP_H */ diff --git a/include/linux/cgroup_subsys.h b/include/linux/cgroup_subsys.h new file mode 100644 index 00000000000..0b9bfbde816 --- /dev/null +++ b/include/linux/cgroup_subsys.h @@ -0,0 +1,38 @@ +/* Add subsystem definitions of the form SUBSYS(<name>) in this + * file. Surround each one by a line of comment markers so that + * patches don't collide + */ + +/* */ + +/* */ + +#ifdef CONFIG_CPUSETS +SUBSYS(cpuset) +#endif + +/* */ + +#ifdef CONFIG_CGROUP_CPUACCT +SUBSYS(cpuacct) +#endif + +/* */ + +#ifdef CONFIG_CGROUP_DEBUG +SUBSYS(debug) +#endif + +/* */ + +#ifdef CONFIG_CGROUP_NS +SUBSYS(ns) +#endif + +/* */ + +#ifdef CONFIG_FAIR_CGROUP_SCHED +SUBSYS(cpu_cgroup) +#endif + +/* */ diff --git a/include/linux/cgroupstats.h b/include/linux/cgroupstats.h new file mode 100644 index 00000000000..4f53abf6855 --- /dev/null +++ b/include/linux/cgroupstats.h @@ -0,0 +1,70 @@ +/* cgroupstats.h - exporting per-cgroup statistics + * + * Copyright IBM Corporation, 2007 + * Author Balbir Singh <balbir@linux.vnet.ibm.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2.1 of the GNU Lesser General Public License + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + */ + +#ifndef _LINUX_CGROUPSTATS_H +#define _LINUX_CGROUPSTATS_H + +#include <linux/taskstats.h> + +/* + * Data shared between user space and kernel space on a per cgroup + * basis. This data is shared using taskstats. + * + * Most of these states are derived by looking at the task->state value + * For the nr_io_wait state, a flag in the delay accounting structure + * indicates that the task is waiting on IO + * + * Each member is aligned to a 8 byte boundary. + */ +struct cgroupstats { + __u64 nr_sleeping; /* Number of tasks sleeping */ + __u64 nr_running; /* Number of tasks running */ + __u64 nr_stopped; /* Number of tasks in stopped state */ + __u64 nr_uninterruptible; /* Number of tasks in uninterruptible */ + /* state */ + __u64 nr_io_wait; /* Number of tasks waiting on IO */ +}; + +/* + * Commands sent from userspace + * Not versioned. New commands should only be inserted at the enum's end + * prior to __CGROUPSTATS_CMD_MAX + */ + +enum { + CGROUPSTATS_CMD_UNSPEC = __TASKSTATS_CMD_MAX, /* Reserved */ + CGROUPSTATS_CMD_GET, /* user->kernel request/get-response */ + CGROUPSTATS_CMD_NEW, /* kernel->user event */ + __CGROUPSTATS_CMD_MAX, +}; + +#define CGROUPSTATS_CMD_MAX (__CGROUPSTATS_CMD_MAX - 1) + +enum { + CGROUPSTATS_TYPE_UNSPEC = 0, /* Reserved */ + CGROUPSTATS_TYPE_CGROUP_STATS, /* contains name + stats */ + __CGROUPSTATS_TYPE_MAX, +}; + +#define CGROUPSTATS_TYPE_MAX (__CGROUPSTATS_TYPE_MAX - 1) + +enum { + CGROUPSTATS_CMD_ATTR_UNSPEC = 0, + CGROUPSTATS_CMD_ATTR_FD, + __CGROUPSTATS_CMD_ATTR_MAX, +}; + +#define CGROUPSTATS_CMD_ATTR_MAX (__CGROUPSTATS_CMD_ATTR_MAX - 1) + +#endif /* _LINUX_CGROUPSTATS_H */ diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index 16ea3374ddd..107787aacb6 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -221,10 +221,15 @@ extern void clocksource_resume(void); #ifdef CONFIG_GENERIC_TIME_VSYSCALL extern void update_vsyscall(struct timespec *ts, struct clocksource *c); +extern void update_vsyscall_tz(void); #else static inline void update_vsyscall(struct timespec *ts, struct clocksource *c) { } + +static inline void update_vsyscall_tz(void) +{ +} #endif #endif /* _LINUX_CLOCKSOURCE_H */ diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index acd583384bd..fe23792f05c 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -36,10 +36,20 @@ #define __weak __attribute__((weak)) #define __naked __attribute__((naked)) #define __noreturn __attribute__((noreturn)) + +/* + * From the GCC manual: + * + * Many functions have no effects except the return value and their + * return value depends only on the parameters and/or global + * variables. Such a function can be subject to common subexpression + * elimination and loop optimization just as an arithmetic operator + * would be. + * [...] + */ #define __pure __attribute__((pure)) #define __aligned(x) __attribute__((aligned(x))) #define __printf(a,b) __attribute__((format(printf,a,b))) #define noinline __attribute__((noinline)) -#define __attribute_pure__ __attribute__((pure)) #define __attribute_const__ __attribute__((__const__)) #define __maybe_unused __attribute__((unused)) diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 86f9a3a6137..c811c8b979a 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -132,20 +132,6 @@ extern void __chk_io_ptr(const volatile void __iomem *); # define __maybe_unused /* unimplemented */ #endif -/* - * From the GCC manual: - * - * Many functions have no effects except the return value and their - * return value depends only on the parameters and/or global - * variables. Such a function can be subject to common subexpression - * elimination and loop optimization just as an arithmetic operator - * would be. - * [...] - */ -#ifndef __attribute_pure__ -# define __attribute_pure__ /* unimplemented */ -#endif - #ifndef noinline #define noinline #endif diff --git a/include/linux/console.h b/include/linux/console.h index 0a4542ddb73..a5f88a6a259 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -122,14 +122,11 @@ extern void console_stop(struct console *); extern void console_start(struct console *); extern int is_console_locked(void); -#ifndef CONFIG_DISABLE_CONSOLE_SUSPEND +extern int console_suspend_enabled; + /* Suspend and resume console messages over PM events */ extern void suspend_console(void); extern void resume_console(void); -#else -static inline void suspend_console(void) {} -static inline void resume_console(void) {} -#endif /* CONFIG_DISABLE_CONSOLE_SUSPEND */ int mda_console_init(void); void prom_con_init(void); diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 0ad72c4cf31..b79c5756936 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -119,8 +119,9 @@ static inline void cpuhotplug_mutex_unlock(struct mutex *cpu_hp_mutex) #define lock_cpu_hotplug() do { } while (0) #define unlock_cpu_hotplug() do { } while (0) #define hotcpu_notifier(fn, pri) do { (void)(fn); } while (0) -#define register_hotcpu_notifier(nb) do { (void)(nb); } while (0) -#define unregister_hotcpu_notifier(nb) do { (void)(nb); } while (0) +/* These aren't inline functions due to a GCC bug. */ +#define register_hotcpu_notifier(nb) ({ (void)(nb); 0; }) +#define unregister_hotcpu_notifier(nb) ({ (void)(nb); }) /* CPUs don't go offline once they're online w/o CONFIG_HOTPLUG_CPU */ static inline int cpu_is_offline(int cpu) { return 0; } diff --git a/include/linux/cpu_acct.h b/include/linux/cpu_acct.h new file mode 100644 index 00000000000..6b5fd8a66c8 --- /dev/null +++ b/include/linux/cpu_acct.h @@ -0,0 +1,14 @@ + +#ifndef _LINUX_CPU_ACCT_H +#define _LINUX_CPU_ACCT_H + +#include <linux/cgroup.h> +#include <asm/cputime.h> + +#ifdef CONFIG_CGROUP_CPUACCT +extern void cpuacct_charge(struct task_struct *, cputime_t cputime); +#else +static void inline cpuacct_charge(struct task_struct *p, cputime_t cputime) {} +#endif + +#endif diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h new file mode 100644 index 00000000000..16a51546db4 --- /dev/null +++ b/include/linux/cpuidle.h @@ -0,0 +1,180 @@ +/* + * cpuidle.h - a generic framework for CPU idle power management + * + * (C) 2007 Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> + * Shaohua Li <shaohua.li@intel.com> + * Adam Belay <abelay@novell.com> + * + * This code is licenced under the GPL. + */ + +#ifndef _LINUX_CPUIDLE_H +#define _LINUX_CPUIDLE_H + +#include <linux/percpu.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/kobject.h> +#include <linux/completion.h> + +#define CPUIDLE_STATE_MAX 8 +#define CPUIDLE_NAME_LEN 16 + +struct cpuidle_device; + + +/**************************** + * CPUIDLE DEVICE INTERFACE * + ****************************/ + +struct cpuidle_state { + char name[CPUIDLE_NAME_LEN]; + void *driver_data; + + unsigned int flags; + unsigned int exit_latency; /* in US */ + unsigned int power_usage; /* in mW */ + unsigned int target_residency; /* in US */ + + unsigned int usage; + unsigned int time; /* in US */ + + int (*enter) (struct cpuidle_device *dev, + struct cpuidle_state *state); +}; + +/* Idle State Flags */ +#define CPUIDLE_FLAG_TIME_VALID (0x01) /* is residency time measurable? */ +#define CPUIDLE_FLAG_CHECK_BM (0x02) /* BM activity will exit state */ +#define CPUIDLE_FLAG_SHALLOW (0x10) /* low latency, minimal savings */ +#define CPUIDLE_FLAG_BALANCED (0x20) /* medium latency, moderate savings */ +#define CPUIDLE_FLAG_DEEP (0x40) /* high latency, large savings */ + +#define CPUIDLE_DRIVER_FLAGS_MASK (0xFFFF0000) + +/** + * cpuidle_get_statedata - retrieves private driver state data + * @state: the state + */ +static inline void * cpuidle_get_statedata(struct cpuidle_state *state) +{ + return state->driver_data; +} + +/** + * cpuidle_set_statedata - stores private driver state data + * @state: the state + * @data: the private data + */ +static inline void +cpuidle_set_statedata(struct cpuidle_state *state, void *data) +{ + state->driver_data = data; +} + +struct cpuidle_state_kobj { + struct cpuidle_state *state; + struct completion kobj_unregister; + struct kobject kobj; +}; + +struct cpuidle_device { + int enabled:1; + unsigned int cpu; + + int last_residency; + int state_count; + struct cpuidle_state states[CPUIDLE_STATE_MAX]; + struct cpuidle_state_kobj *kobjs[CPUIDLE_STATE_MAX]; + struct cpuidle_state *last_state; + + struct list_head device_list; + struct kobject kobj; + struct completion kobj_unregister; + void *governor_data; +}; + +DECLARE_PER_CPU(struct cpuidle_device *, cpuidle_devices); + +/** + * cpuidle_get_last_residency - retrieves the last state's residency time + * @dev: the target CPU + * + * NOTE: this value is invalid if CPUIDLE_FLAG_TIME_VALID isn't set + */ +static inline int cpuidle_get_last_residency(struct cpuidle_device *dev) +{ + return dev->last_residency; +} + + +/**************************** + * CPUIDLE DRIVER INTERFACE * + ****************************/ + +struct cpuidle_driver { + char name[CPUIDLE_NAME_LEN]; + struct module *owner; +}; + +#ifdef CONFIG_CPU_IDLE + +extern int cpuidle_register_driver(struct cpuidle_driver *drv); +extern void cpuidle_unregister_driver(struct cpuidle_driver *drv); +extern int cpuidle_register_device(struct cpuidle_device *dev); +extern void cpuidle_unregister_device(struct cpuidle_device *dev); + +extern void cpuidle_pause_and_lock(void); +extern void cpuidle_resume_and_unlock(void); +extern int cpuidle_enable_device(struct cpuidle_device *dev); +extern void cpuidle_disable_device(struct cpuidle_device *dev); + +#else + +static inline int cpuidle_register_driver(struct cpuidle_driver *drv) +{return 0;} +static inline void cpuidle_unregister_driver(struct cpuidle_driver *drv) { } +static inline int cpuidle_register_device(struct cpuidle_device *dev) +{return 0;} +static inline void cpuidle_unregister_device(struct cpuidle_device *dev) { } + +static inline void cpuidle_pause_and_lock(void) { } +static inline void cpuidle_resume_and_unlock(void) { } +static inline int cpuidle_enable_device(struct cpuidle_device *dev) +{return 0;} +static inline void cpuidle_disable_device(struct cpuidle_device *dev) { } + +#endif + +/****************************** + * CPUIDLE GOVERNOR INTERFACE * + ******************************/ + +struct cpuidle_governor { + char name[CPUIDLE_NAME_LEN]; + struct list_head governor_list; + unsigned int rating; + + int (*enable) (struct cpuidle_device *dev); + void (*disable) (struct cpuidle_device *dev); + + int (*select) (struct cpuidle_device *dev); + void (*reflect) (struct cpuidle_device *dev); + + struct module *owner; +}; + +#ifdef CONFIG_CPU_IDLE + +extern int cpuidle_register_governor(struct cpuidle_governor *gov); +extern void cpuidle_unregister_governor(struct cpuidle_governor *gov); + +#else + +static inline int cpuidle_register_governor(struct cpuidle_governor *gov) +{return 0;} +static inline void cpuidle_unregister_governor(struct cpuidle_governor *gov) { } + +#endif + +#endif /* _LINUX_CPUIDLE_H */ diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index ea44d2e768a..ecae585ec3d 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -11,6 +11,7 @@ #include <linux/sched.h> #include <linux/cpumask.h> #include <linux/nodemask.h> +#include <linux/cgroup.h> #ifdef CONFIG_CPUSETS @@ -19,9 +20,8 @@ extern int number_of_cpusets; /* How many cpusets are defined in system? */ extern int cpuset_init_early(void); extern int cpuset_init(void); extern void cpuset_init_smp(void); -extern void cpuset_fork(struct task_struct *p); -extern void cpuset_exit(struct task_struct *p); extern cpumask_t cpuset_cpus_allowed(struct task_struct *p); +extern cpumask_t cpuset_cpus_allowed_locked(struct task_struct *p); extern nodemask_t cpuset_mems_allowed(struct task_struct *p); #define cpuset_current_mems_allowed (current->mems_allowed) void cpuset_init_current_mems_allowed(void); @@ -76,18 +76,22 @@ static inline int cpuset_do_slab_mem_spread(void) extern void cpuset_track_online_nodes(void); +extern int current_cpuset_is_being_rebound(void); + #else /* !CONFIG_CPUSETS */ static inline int cpuset_init_early(void) { return 0; } static inline int cpuset_init(void) { return 0; } static inline void cpuset_init_smp(void) {} -static inline void cpuset_fork(struct task_struct *p) {} -static inline void cpuset_exit(struct task_struct *p) {} static inline cpumask_t cpuset_cpus_allowed(struct task_struct *p) { return cpu_possible_map; } +static inline cpumask_t cpuset_cpus_allowed_locked(struct task_struct *p) +{ + return cpu_possible_map; +} static inline nodemask_t cpuset_mems_allowed(struct task_struct *p) { @@ -148,6 +152,11 @@ static inline int cpuset_do_slab_mem_spread(void) static inline void cpuset_track_online_nodes(void) {} +static inline int current_cpuset_is_being_rebound(void) +{ + return 0; +} + #endif /* !CONFIG_CPUSETS */ #endif /* _LINUX_CPUSET_H */ diff --git a/include/linux/cyclades.h b/include/linux/cyclades.h index 72aa00cc4b2..8f3dcd30828 100644 --- a/include/linux/cyclades.h +++ b/include/linux/cyclades.h @@ -512,11 +512,11 @@ struct cyclades_card { void __iomem *base_addr; void __iomem *ctl_addr; int irq; - int num_chips; /* 0 if card absent, -1 if Z/PCI, else Y */ - int first_line; /* minor number of first channel on card */ - int nports; /* Number of ports in the card */ - int bus_index; /* address shift - 0 for ISA, 1 for PCI */ - int intr_enabled; /* FW Interrupt flag - 0 disabled, 1 enabled */ + unsigned int num_chips; /* 0 if card absent, -1 if Z/PCI, else Y */ + unsigned int first_line; /* minor number of first channel on card */ + unsigned int nports; /* Number of ports in the card */ + int bus_index; /* address shift - 0 for ISA, 1 for PCI */ + int intr_enabled; /* FW Interrupt flag - 0 disabled, 1 enabled */ spinlock_t card_lock; struct cyclades_port *ports; }; @@ -566,10 +566,9 @@ struct cyclades_port { int rtsdtr_inv; int chip_rev; int custom_divisor; - int x_char; /* to be pushed out ASAP */ + u8 x_char; /* to be pushed out ASAP */ int close_delay; unsigned short closing_wait; - unsigned long event; int count; /* # of fd on device */ int breakon; int breakoff; @@ -584,7 +583,6 @@ struct cyclades_port { struct cyclades_monitor mon; struct cyclades_idle_stats idle_stats; struct cyclades_icount icount; - struct work_struct tqueue; wait_queue_head_t open_wait; wait_queue_head_t close_wait; struct completion shutdown_wait; @@ -592,19 +590,6 @@ struct cyclades_port { int throttle; }; -/* - * Events are used to schedule things to happen at timer-interrupt - * time, instead of at cy interrupt time. - */ -#define Cy_EVENT_READ_PROCESS 0 -#define Cy_EVENT_WRITE_WAKEUP 1 -#define Cy_EVENT_HANGUP 2 -#define Cy_EVENT_BREAK 3 -#define Cy_EVENT_OPEN_WAKEUP 4 -#define Cy_EVENT_SHUTDOWN_WAKEUP 5 -#define Cy_EVENT_DELTA_WAKEUP 6 -#define Cy_EVENT_Z_RX_FULL 7 - #define CLOSING_WAIT_DELAY 30*HZ #define CY_CLOSING_WAIT_NONE 65535 #define CY_CLOSING_WAIT_INF 0 diff --git a/include/linux/delayacct.h b/include/linux/delayacct.h index 55d1ca5e60f..ab94bc08355 100644 --- a/include/linux/delayacct.h +++ b/include/linux/delayacct.h @@ -26,6 +26,7 @@ * Used to set current->delays->flags */ #define DELAYACCT_PF_SWAPIN 0x00000001 /* I am doing a swapin */ +#define DELAYACCT_PF_BLKIO 0x00000002 /* I am waiting on IO */ #ifdef CONFIG_TASK_DELAY_ACCT @@ -39,6 +40,14 @@ extern void __delayacct_blkio_end(void); extern int __delayacct_add_tsk(struct taskstats *, struct task_struct *); extern __u64 __delayacct_blkio_ticks(struct task_struct *); +static inline int delayacct_is_task_waiting_on_io(struct task_struct *p) +{ + if (p->delays) + return (p->delays->flags & DELAYACCT_PF_BLKIO); + else + return 0; +} + static inline void delayacct_set_flag(int flag) { if (current->delays) @@ -71,6 +80,7 @@ static inline void delayacct_tsk_free(struct task_struct *tsk) static inline void delayacct_blkio_start(void) { + delayacct_set_flag(DELAYACCT_PF_BLKIO); if (current->delays) __delayacct_blkio_start(); } @@ -79,6 +89,7 @@ static inline void delayacct_blkio_end(void) { if (current->delays) __delayacct_blkio_end(); + delayacct_clear_flag(DELAYACCT_PF_BLKIO); } static inline int delayacct_add_tsk(struct taskstats *d, @@ -116,6 +127,8 @@ static inline int delayacct_add_tsk(struct taskstats *d, { return 0; } static inline __u64 delayacct_blkio_ticks(struct task_struct *tsk) { return 0; } +static inline int delayacct_is_task_waiting_on_io(struct task_struct *p) +{ return 0; } #endif /* CONFIG_TASK_DELAY_ACCT */ #endif diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 0ebfafbd338..101a2d4636b 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -13,16 +13,26 @@ enum dma_data_direction { DMA_NONE = 3, }; -#define DMA_64BIT_MASK 0xffffffffffffffffULL -#define DMA_48BIT_MASK 0x0000ffffffffffffULL -#define DMA_40BIT_MASK 0x000000ffffffffffULL -#define DMA_39BIT_MASK 0x0000007fffffffffULL -#define DMA_32BIT_MASK 0x00000000ffffffffULL -#define DMA_31BIT_MASK 0x000000007fffffffULL -#define DMA_30BIT_MASK 0x000000003fffffffULL -#define DMA_29BIT_MASK 0x000000001fffffffULL -#define DMA_28BIT_MASK 0x000000000fffffffULL -#define DMA_24BIT_MASK 0x0000000000ffffffULL +#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) + +/* + * NOTE: do not use the below macros in new code and do not add new definitions + * here. + * + * Instead, just open-code DMA_BIT_MASK(n) within your driver + */ +#define DMA_64BIT_MASK DMA_BIT_MASK(64) +#define DMA_48BIT_MASK DMA_BIT_MASK(48) +#define DMA_47BIT_MASK DMA_BIT_MASK(47) +#define DMA_40BIT_MASK DMA_BIT_MASK(40) +#define DMA_39BIT_MASK DMA_BIT_MASK(39) +#define DMA_35BIT_MASK DMA_BIT_MASK(35) +#define DMA_32BIT_MASK DMA_BIT_MASK(32) +#define DMA_31BIT_MASK DMA_BIT_MASK(31) +#define DMA_30BIT_MASK DMA_BIT_MASK(30) +#define DMA_29BIT_MASK DMA_BIT_MASK(29) +#define DMA_28BIT_MASK DMA_BIT_MASK(28) +#define DMA_24BIT_MASK DMA_BIT_MASK(24) #define DMA_MASK_NONE 0x0ULL diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index 589b0b355d8..64134456ed8 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -72,8 +72,8 @@ * Macro-instructions used to manage several block sizes */ #define EXT3_MIN_BLOCK_SIZE 1024 -#define EXT3_MAX_BLOCK_SIZE 4096 -#define EXT3_MIN_BLOCK_LOG_SIZE 10 +#define EXT3_MAX_BLOCK_SIZE 65536 +#define EXT3_MIN_BLOCK_LOG_SIZE 10 #ifdef __KERNEL__ # define EXT3_BLOCK_SIZE(s) ((s)->s_blocksize) #else diff --git a/include/linux/ext4_fs.h b/include/linux/ext4_fs.h index cdee7aaa57a..97dd409d5f4 100644 --- a/include/linux/ext4_fs.h +++ b/include/linux/ext4_fs.h @@ -36,10 +36,6 @@ /*max window size: 1024(direct blocks) + 3([t,d]indirect blocks) */ #define EXT4_MAX_RESERVE_BLOCKS 1027 #define EXT4_RESERVE_WINDOW_NOT_ALLOCATED 0 -/* - * Always enable hashed directories - */ -#define CONFIG_EXT4_INDEX /* * Debug code @@ -105,37 +101,29 @@ #define EXT4_BLOCK_ALIGN(size, blkbits) ALIGN((size), (1 << (blkbits))) /* - * Macro-instructions used to manage fragments - */ -#define EXT4_MIN_FRAG_SIZE 1024 -#define EXT4_MAX_FRAG_SIZE 4096 -#define EXT4_MIN_FRAG_LOG_SIZE 10 -#ifdef __KERNEL__ -# define EXT4_FRAG_SIZE(s) (EXT4_SB(s)->s_frag_size) -# define EXT4_FRAGS_PER_BLOCK(s) (EXT4_SB(s)->s_frags_per_block) -#else -# define EXT4_FRAG_SIZE(s) (EXT4_MIN_FRAG_SIZE << (s)->s_log_frag_size) -# define EXT4_FRAGS_PER_BLOCK(s) (EXT4_BLOCK_SIZE(s) / EXT4_FRAG_SIZE(s)) -#endif - -/* * Structure of a blocks group descriptor */ struct ext4_group_desc { - __le32 bg_block_bitmap; /* Blocks bitmap block */ - __le32 bg_inode_bitmap; /* Inodes bitmap block */ - __le32 bg_inode_table; /* Inodes table block */ + __le32 bg_block_bitmap_lo; /* Blocks bitmap block */ + __le32 bg_inode_bitmap_lo; /* Inodes bitmap block */ + __le32 bg_inode_table_lo; /* Inodes table block */ __le16 bg_free_blocks_count; /* Free blocks count */ __le16 bg_free_inodes_count; /* Free inodes count */ __le16 bg_used_dirs_count; /* Directories count */ - __u16 bg_flags; - __u32 bg_reserved[3]; + __le16 bg_flags; /* EXT4_BG_flags (INODE_UNINIT, etc) */ + __u32 bg_reserved[2]; /* Likely block/inode bitmap checksum */ + __le16 bg_itable_unused; /* Unused inodes count */ + __le16 bg_checksum; /* crc16(sb_uuid+group+desc) */ __le32 bg_block_bitmap_hi; /* Blocks bitmap block MSB */ __le32 bg_inode_bitmap_hi; /* Inodes bitmap block MSB */ __le32 bg_inode_table_hi; /* Inodes table block MSB */ }; +#define EXT4_BG_INODE_UNINIT 0x0001 /* Inode table/bitmap not in use */ +#define EXT4_BG_BLOCK_UNINIT 0x0002 /* Block bitmap not in use */ +#define EXT4_BG_INODE_ZEROED 0x0004 /* On-disk itable initialized to zero */ + #ifdef __KERNEL__ #include <linux/ext4_fs_i.h> #include <linux/ext4_fs_sb.h> @@ -311,27 +299,24 @@ struct ext4_inode { __le32 i_generation; /* File version (for NFS) */ __le32 i_file_acl; /* File ACL */ __le32 i_dir_acl; /* Directory ACL */ - __le32 i_faddr; /* Fragment address */ + __le32 i_obso_faddr; /* Obsoleted fragment address */ union { struct { - __u8 l_i_frag; /* Fragment number */ - __u8 l_i_fsize; /* Fragment size */ + __le16 l_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */ __le16 l_i_file_acl_high; __le16 l_i_uid_high; /* these 2 fields */ __le16 l_i_gid_high; /* were reserved2[0] */ __u32 l_i_reserved2; } linux2; struct { - __u8 h_i_frag; /* Fragment number */ - __u8 h_i_fsize; /* Fragment size */ + __le16 h_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */ __u16 h_i_mode_high; __u16 h_i_uid_high; __u16 h_i_gid_high; __u32 h_i_author; } hurd2; struct { - __u8 m_i_frag; /* Fragment number */ - __u8 m_i_fsize; /* Fragment size */ + __le16 h_i_reserved1; /* Obsoleted fragment number/size which are removed in ext4 */ __le16 m_i_file_acl_high; __u32 m_i_reserved2[2]; } masix2; @@ -419,8 +404,6 @@ do { \ #if defined(__KERNEL__) || defined(__linux__) #define i_reserved1 osd1.linux1.l_i_reserved1 -#define i_frag osd2.linux2.l_i_frag -#define i_fsize osd2.linux2.l_i_fsize #define i_file_acl_high osd2.linux2.l_i_file_acl_high #define i_uid_low i_uid #define i_gid_low i_gid @@ -431,8 +414,6 @@ do { \ #elif defined(__GNU__) #define i_translator osd1.hurd1.h_i_translator -#define i_frag osd2.hurd2.h_i_frag; -#define i_fsize osd2.hurd2.h_i_fsize; #define i_uid_high osd2.hurd2.h_i_uid_high #define i_gid_high osd2.hurd2.h_i_gid_high #define i_author osd2.hurd2.h_i_author @@ -440,8 +421,6 @@ do { \ #elif defined(__masix__) #define i_reserved1 osd1.masix1.m_i_reserved1 -#define i_frag osd2.masix2.m_i_frag -#define i_fsize osd2.masix2.m_i_fsize #define i_file_acl_high osd2.masix2.m_i_file_acl_high #define i_reserved2 osd2.masix2.m_i_reserved2 @@ -522,15 +501,15 @@ do { \ */ struct ext4_super_block { /*00*/ __le32 s_inodes_count; /* Inodes count */ - __le32 s_blocks_count; /* Blocks count */ - __le32 s_r_blocks_count; /* Reserved blocks count */ - __le32 s_free_blocks_count; /* Free blocks count */ + __le32 s_blocks_count_lo; /* Blocks count */ + __le32 s_r_blocks_count_lo; /* Reserved blocks count */ + __le32 s_free_blocks_count_lo; /* Free blocks count */ /*10*/ __le32 s_free_inodes_count; /* Free inodes count */ __le32 s_first_data_block; /* First Data Block */ __le32 s_log_block_size; /* Block size */ - __le32 s_log_frag_size; /* Fragment size */ + __le32 s_obso_log_frag_size; /* Obsoleted fragment size */ /*20*/ __le32 s_blocks_per_group; /* # Blocks per group */ - __le32 s_frags_per_group; /* # Fragments per group */ + __le32 s_obso_frags_per_group; /* Obsoleted fragments per group */ __le32 s_inodes_per_group; /* # Inodes per group */ __le32 s_mtime; /* Mount time */ /*30*/ __le32 s_wtime; /* Write time */ @@ -595,13 +574,13 @@ struct ext4_super_block { /*150*/ __le32 s_blocks_count_hi; /* Blocks count */ __le32 s_r_blocks_count_hi; /* Reserved blocks count */ __le32 s_free_blocks_count_hi; /* Free blocks count */ - __u16 s_min_extra_isize; /* All inodes have at least # bytes */ - __u16 s_want_extra_isize; /* New inodes should reserve # bytes */ - __u32 s_flags; /* Miscellaneous flags */ - __u16 s_raid_stride; /* RAID stride */ - __u16 s_mmp_interval; /* # seconds to wait in MMP checking */ - __u64 s_mmp_block; /* Block for multi-mount protection */ - __u32 s_raid_stripe_width; /* blocks on all data disks (N*stride)*/ + __le16 s_min_extra_isize; /* All inodes have at least # bytes */ + __le16 s_want_extra_isize; /* New inodes should reserve # bytes */ + __le32 s_flags; /* Miscellaneous flags */ + __le16 s_raid_stride; /* RAID stride */ + __le16 s_mmp_interval; /* # seconds to wait in MMP checking */ + __le64 s_mmp_block; /* Block for multi-mount protection */ + __le32 s_raid_stripe_width; /* blocks on all data disks (N*stride)*/ __u32 s_reserved[163]; /* Padding to the end of the block */ }; @@ -692,6 +671,7 @@ static inline int ext4_valid_inum(struct super_block *sb, unsigned long ino) #define EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER 0x0001 #define EXT4_FEATURE_RO_COMPAT_LARGE_FILE 0x0002 #define EXT4_FEATURE_RO_COMPAT_BTREE_DIR 0x0004 +#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM 0x0010 #define EXT4_FEATURE_RO_COMPAT_DIR_NLINK 0x0020 #define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE 0x0040 @@ -702,15 +682,18 @@ static inline int ext4_valid_inum(struct super_block *sb, unsigned long ino) #define EXT4_FEATURE_INCOMPAT_META_BG 0x0010 #define EXT4_FEATURE_INCOMPAT_EXTENTS 0x0040 /* extents support */ #define EXT4_FEATURE_INCOMPAT_64BIT 0x0080 +#define EXT4_FEATURE_INCOMPAT_FLEX_BG 0x0200 #define EXT4_FEATURE_COMPAT_SUPP EXT2_FEATURE_COMPAT_EXT_ATTR #define EXT4_FEATURE_INCOMPAT_SUPP (EXT4_FEATURE_INCOMPAT_FILETYPE| \ EXT4_FEATURE_INCOMPAT_RECOVER| \ EXT4_FEATURE_INCOMPAT_META_BG| \ EXT4_FEATURE_INCOMPAT_EXTENTS| \ - EXT4_FEATURE_INCOMPAT_64BIT) + EXT4_FEATURE_INCOMPAT_64BIT| \ + EXT4_FEATURE_INCOMPAT_FLEX_BG) #define EXT4_FEATURE_RO_COMPAT_SUPP (EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER| \ EXT4_FEATURE_RO_COMPAT_LARGE_FILE| \ + EXT4_FEATURE_RO_COMPAT_GDT_CSUM| \ EXT4_FEATURE_RO_COMPAT_DIR_NLINK | \ EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE | \ EXT4_FEATURE_RO_COMPAT_BTREE_DIR) @@ -789,17 +772,11 @@ struct ext4_dir_entry_2 { * (c) Daniel Phillips, 2001 */ -#ifdef CONFIG_EXT4_INDEX - #define is_dx(dir) (EXT4_HAS_COMPAT_FEATURE(dir->i_sb, \ - EXT4_FEATURE_COMPAT_DIR_INDEX) && \ +#define is_dx(dir) (EXT4_HAS_COMPAT_FEATURE(dir->i_sb, \ + EXT4_FEATURE_COMPAT_DIR_INDEX) && \ (EXT4_I(dir)->i_flags & EXT4_INDEX_FL)) #define EXT4_DIR_LINK_MAX(dir) (!is_dx(dir) && (dir)->i_nlink >= EXT4_LINK_MAX) #define EXT4_DIR_LINK_EMPTY(dir) ((dir)->i_nlink == 2 || (dir)->i_nlink == 1) -#else - #define is_dx(dir) 0 -#define EXT4_DIR_LINK_MAX(dir) ((dir)->i_nlink >= EXT4_LINK_MAX) -#define EXT4_DIR_LINK_EMPTY(dir) ((dir)->i_nlink == 2) -#endif /* Legal values for the dx_root hash_version field: */ @@ -1004,39 +981,39 @@ extern void ext4_inode_table_set(struct super_block *sb, static inline ext4_fsblk_t ext4_blocks_count(struct ext4_super_block *es) { return ((ext4_fsblk_t)le32_to_cpu(es->s_blocks_count_hi) << 32) | - le32_to_cpu(es->s_blocks_count); + le32_to_cpu(es->s_blocks_count_lo); } static inline ext4_fsblk_t ext4_r_blocks_count(struct ext4_super_block *es) { return ((ext4_fsblk_t)le32_to_cpu(es->s_r_blocks_count_hi) << 32) | - le32_to_cpu(es->s_r_blocks_count); + le32_to_cpu(es->s_r_blocks_count_lo); } static inline ext4_fsblk_t ext4_free_blocks_count(struct ext4_super_block *es) { return ((ext4_fsblk_t)le32_to_cpu(es->s_free_blocks_count_hi) << 32) | - le32_to_cpu(es->s_free_blocks_count); + le32_to_cpu(es->s_free_blocks_count_lo); } static inline void ext4_blocks_count_set(struct ext4_super_block *es, ext4_fsblk_t blk) { - es->s_blocks_count = cpu_to_le32((u32)blk); + es->s_blocks_count_lo = cpu_to_le32((u32)blk); es->s_blocks_count_hi = cpu_to_le32(blk >> 32); } static inline void ext4_free_blocks_count_set(struct ext4_super_block *es, ext4_fsblk_t blk) { - es->s_free_blocks_count = cpu_to_le32((u32)blk); + es->s_free_blocks_count_lo = cpu_to_le32((u32)blk); es->s_free_blocks_count_hi = cpu_to_le32(blk >> 32); } static inline void ext4_r_blocks_count_set(struct ext4_super_block *es, ext4_fsblk_t blk) { - es->s_r_blocks_count = cpu_to_le32((u32)blk); + es->s_r_blocks_count_lo = cpu_to_le32((u32)blk); es->s_r_blocks_count_hi = cpu_to_le32(blk >> 32); } diff --git a/include/linux/ext4_fs_extents.h b/include/linux/ext4_fs_extents.h index 81406f3655d..d2045a26195 100644 --- a/include/linux/ext4_fs_extents.h +++ b/include/linux/ext4_fs_extents.h @@ -74,7 +74,7 @@ struct ext4_extent { __le32 ee_block; /* first logical block extent covers */ __le16 ee_len; /* number of blocks covered by extent */ __le16 ee_start_hi; /* high 16 bits of physical block */ - __le32 ee_start; /* low 32 bits of physical block */ + __le32 ee_start_lo; /* low 32 bits of physical block */ }; /* @@ -83,7 +83,7 @@ struct ext4_extent { */ struct ext4_extent_idx { __le32 ei_block; /* index covers logical blocks from 'block' */ - __le32 ei_leaf; /* pointer to the physical block of the next * + __le32 ei_leaf_lo; /* pointer to the physical block of the next * * level. leaf or next index could be there */ __le16 ei_leaf_hi; /* high 16 bits of physical block */ __u16 ei_unused; diff --git a/include/linux/ext4_fs_i.h b/include/linux/ext4_fs_i.h index 1a511e9905a..86ddfe2089f 100644 --- a/include/linux/ext4_fs_i.h +++ b/include/linux/ext4_fs_i.h @@ -78,11 +78,6 @@ struct ext4_ext_cache { struct ext4_inode_info { __le32 i_data[15]; /* unconverted */ __u32 i_flags; -#ifdef EXT4_FRAGMENTS - __u32 i_faddr; - __u8 i_frag_no; - __u8 i_frag_size; -#endif ext4_fsblk_t i_file_acl; __u32 i_dir_acl; __u32 i_dtime; diff --git a/include/linux/ext4_fs_sb.h b/include/linux/ext4_fs_sb.h index 0a8e47d47c9..b40e827cd49 100644 --- a/include/linux/ext4_fs_sb.h +++ b/include/linux/ext4_fs_sb.h @@ -28,11 +28,8 @@ * third extended-fs super-block data in memory */ struct ext4_sb_info { - unsigned long s_frag_size; /* Size of a fragment in bytes */ unsigned long s_desc_size; /* Size of a group descriptor in bytes */ - unsigned long s_frags_per_block;/* Number of fragments per block */ unsigned long s_inodes_per_block;/* Number of inodes per block */ - unsigned long s_frags_per_group;/* Number of fragments in a group */ unsigned long s_blocks_per_group;/* Number of blocks in a group */ unsigned long s_inodes_per_group;/* Number of inodes in a group */ unsigned long s_itb_per_group; /* Number of inode table blocks per group */ diff --git a/include/linux/ext4_jbd2.h b/include/linux/ext4_jbd2.h index d716e6392cf..38c71d3c8db 100644 --- a/include/linux/ext4_jbd2.h +++ b/include/linux/ext4_jbd2.h @@ -12,8 +12,8 @@ * Ext4-specific journaling extensions. */ -#ifndef _LINUX_EXT4_JBD_H -#define _LINUX_EXT4_JBD_H +#ifndef _LINUX_EXT4_JBD2_H +#define _LINUX_EXT4_JBD2_H #include <linux/fs.h> #include <linux/jbd2.h> @@ -228,4 +228,4 @@ static inline int ext4_should_writeback_data(struct inode *inode) return 0; } -#endif /* _LINUX_EXT4_JBD_H */ +#endif /* _LINUX_EXT4_JBD2_H */ diff --git a/include/linux/filter.h b/include/linux/filter.h index 91b2e3b9251..ddfa0372a3b 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -146,6 +146,7 @@ struct sock; extern unsigned int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int flen); extern int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk); +extern int sk_detach_filter(struct sock *sk); extern int sk_chk_filter(struct sock_filter *filter, int flen); #endif /* __KERNEL__ */ diff --git a/include/linux/freezer.h b/include/linux/freezer.h index efded00ad08..08934995c7a 100644 --- a/include/linux/freezer.h +++ b/include/linux/freezer.h @@ -4,6 +4,7 @@ #define FREEZER_H_INCLUDED #include <linux/sched.h> +#include <linux/wait.h> #ifdef CONFIG_PM_SLEEP /* @@ -126,6 +127,36 @@ static inline void set_freezable(void) current->flags &= ~PF_NOFREEZE; } +/* + * Freezer-friendly wrappers around wait_event_interruptible() and + * wait_event_interruptible_timeout(), originally defined in <linux/wait.h> + */ + +#define wait_event_freezable(wq, condition) \ +({ \ + int __retval; \ + do { \ + __retval = wait_event_interruptible(wq, \ + (condition) || freezing(current)); \ + if (__retval && !freezing(current)) \ + break; \ + else if (!(condition)) \ + __retval = -ERESTARTSYS; \ + } while (try_to_freeze()); \ + __retval; \ +}) + + +#define wait_event_freezable_timeout(wq, condition, timeout) \ +({ \ + long __retval = timeout; \ + do { \ + __retval = wait_event_interruptible_timeout(wq, \ + (condition) || freezing(current), \ + __retval); \ + } while (try_to_freeze()); \ + __retval; \ +}) #else /* !CONFIG_PM_SLEEP */ static inline int frozen(struct task_struct *p) { return 0; } static inline int freezing(struct task_struct *p) { return 0; } @@ -143,6 +174,13 @@ static inline void freezer_do_not_count(void) {} static inline void freezer_count(void) {} static inline int freezer_should_skip(struct task_struct *p) { return 0; } static inline void set_freezable(void) {} + +#define wait_event_freezable(wq, condition) \ + wait_event_interruptible(wq, condition) + +#define wait_event_freezable_timeout(wq, condition, timeout) \ + wait_event_interruptible_timeout(wq, condition, timeout) + #endif /* !CONFIG_PM_SLEEP */ #endif /* FREEZER_H_INCLUDED */ diff --git a/include/linux/fs.h b/include/linux/fs.h index e3fc5dbb224..1657e995f72 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -123,6 +123,7 @@ extern int dir_notify_enable; #define MS_SLAVE (1<<19) /* change to slave */ #define MS_SHARED (1<<20) /* change to shared */ #define MS_RELATIME (1<<21) /* Update atime relative to mtime/ctime. */ +#define MS_KERNMOUNT (1<<22) /* this is a kern_mount call */ #define MS_ACTIVE (1<<30) #define MS_NOUSER (1<<31) @@ -330,6 +331,7 @@ typedef void (dio_iodone_t)(struct kiocb *iocb, loff_t offset, #define ATTR_KILL_SGID 4096 #define ATTR_FILE 8192 #define ATTR_KILL_PRIV 16384 +#define ATTR_OPEN 32768 /* Truncating from open(O_TRUNC) */ /* * This is the Inode Attributes structure, used for notify_change(). It @@ -1458,7 +1460,8 @@ void unnamed_dev_init(void); extern int register_filesystem(struct file_system_type *); extern int unregister_filesystem(struct file_system_type *); -extern struct vfsmount *kern_mount(struct file_system_type *); +extern struct vfsmount *kern_mount_data(struct file_system_type *, void *data); +#define kern_mount(type) kern_mount_data(type, NULL) extern int may_umount_tree(struct vfsmount *); extern int may_umount(struct vfsmount *); extern void umount_tree(struct vfsmount *, int, struct list_head *); @@ -1921,6 +1924,8 @@ extern int vfs_fstat(unsigned int, struct kstat *); extern int vfs_ioctl(struct file *, unsigned int, unsigned int, unsigned long); +extern void get_filesystem(struct file_system_type *fs); +extern void put_filesystem(struct file_system_type *fs); extern struct file_system_type *get_fs_type(const char *name); extern struct super_block *get_super(struct block_device *); extern struct super_block *user_get_super(dev_t); diff --git a/include/linux/fuse.h b/include/linux/fuse.h index 9fbe9d258e2..d0c437028c8 100644 --- a/include/linux/fuse.h +++ b/include/linux/fuse.h @@ -6,7 +6,17 @@ See the file COPYING. */ -/* This file defines the kernel interface of FUSE */ +/* + * This file defines the kernel interface of FUSE + * + * Protocol changelog: + * + * 7.9: + * - new fuse_getattr_in input argument of GETATTR + * - add lk_flags in fuse_lk_in + * - add lock_owner field to fuse_setattr_in, fuse_read_in and fuse_write_in + * - add blksize field to fuse_attr + */ #include <asm/types.h> #include <linux/major.h> @@ -15,7 +25,7 @@ #define FUSE_KERNEL_VERSION 7 /** Minor version number of this interface */ -#define FUSE_KERNEL_MINOR_VERSION 8 +#define FUSE_KERNEL_MINOR_VERSION 9 /** The node ID of the root inode */ #define FUSE_ROOT_ID 1 @@ -44,6 +54,8 @@ struct fuse_attr { __u32 uid; __u32 gid; __u32 rdev; + __u32 blksize; + __u32 padding; }; struct fuse_kstatfs { @@ -76,6 +88,9 @@ struct fuse_file_lock { #define FATTR_ATIME (1 << 4) #define FATTR_MTIME (1 << 5) #define FATTR_FH (1 << 6) +#define FATTR_ATIME_NOW (1 << 7) +#define FATTR_MTIME_NOW (1 << 8) +#define FATTR_LOCKOWNER (1 << 9) /** * Flags returned by the OPEN request @@ -91,12 +106,38 @@ struct fuse_file_lock { */ #define FUSE_ASYNC_READ (1 << 0) #define FUSE_POSIX_LOCKS (1 << 1) +#define FUSE_FILE_OPS (1 << 2) +#define FUSE_ATOMIC_O_TRUNC (1 << 3) /** * Release flags */ #define FUSE_RELEASE_FLUSH (1 << 0) +/** + * Getattr flags + */ +#define FUSE_GETATTR_FH (1 << 0) + +/** + * Lock flags + */ +#define FUSE_LK_FLOCK (1 << 0) + +/** + * WRITE flags + * + * FUSE_WRITE_CACHE: delayed write from page cache, file handle is guessed + * FUSE_WRITE_LOCKOWNER: lock_owner field is valid + */ +#define FUSE_WRITE_CACHE (1 << 0) +#define FUSE_WRITE_LOCKOWNER (1 << 1) + +/** + * Read flags + */ +#define FUSE_READ_LOCKOWNER (1 << 1) + enum fuse_opcode { FUSE_LOOKUP = 1, FUSE_FORGET = 2, /* no reply */ @@ -139,6 +180,8 @@ enum fuse_opcode { /* The read buffer is required to be at least 8k, but may be much larger */ #define FUSE_MIN_READ_BUFFER 8192 +#define FUSE_COMPAT_ENTRY_OUT_SIZE 120 + struct fuse_entry_out { __u64 nodeid; /* Inode ID */ __u64 generation; /* Inode generation: nodeid:gen must @@ -154,6 +197,14 @@ struct fuse_forget_in { __u64 nlookup; }; +struct fuse_getattr_in { + __u32 getattr_flags; + __u32 dummy; + __u64 fh; +}; + +#define FUSE_COMPAT_ATTR_OUT_SIZE 96 + struct fuse_attr_out { __u64 attr_valid; /* Cache timeout for the attributes */ __u32 attr_valid_nsec; @@ -184,7 +235,7 @@ struct fuse_setattr_in { __u32 padding; __u64 fh; __u64 size; - __u64 unused1; + __u64 lock_owner; __u64 atime; __u64 mtime; __u64 unused2; @@ -227,14 +278,18 @@ struct fuse_read_in { __u64 fh; __u64 offset; __u32 size; - __u32 padding; + __u32 read_flags; + __u64 lock_owner; }; +#define FUSE_COMPAT_WRITE_IN_SIZE 24 + struct fuse_write_in { __u64 fh; __u64 offset; __u32 size; __u32 write_flags; + __u64 lock_owner; }; struct fuse_write_out { @@ -273,6 +328,8 @@ struct fuse_lk_in { __u64 fh; __u64 owner; struct fuse_file_lock lk; + __u32 lk_flags; + __u32 padding; }; struct fuse_lk_out { diff --git a/include/linux/hid.h b/include/linux/hid.h index edb8024d744..6e35b92b1d2 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -469,8 +469,8 @@ struct hid_device { /* device report descriptor */ /* handler for raw output data, used by hidraw */ int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t); #ifdef CONFIG_USB_HIDINPUT_POWERBOOK - unsigned long pb_pressed_fn[NBITS(KEY_MAX)]; - unsigned long pb_pressed_numlock[NBITS(KEY_MAX)]; + unsigned long pb_pressed_fn[BITS_TO_LONGS(KEY_CNT)]; + unsigned long pb_pressed_numlock[BITS_TO_LONGS(KEY_CNT)]; #endif }; diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 540799bc85f..7a9398e1970 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -300,7 +300,7 @@ hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval); /* Precise sleep: */ extern long hrtimer_nanosleep(struct timespec *rqtp, - struct timespec __user *rmtp, + struct timespec *rmtp, const enum hrtimer_mode mode, const clockid_t clockid); extern long hrtimer_nanosleep_restart(struct restart_block *restart_block); diff --git a/include/linux/ide.h b/include/linux/ide.h index e39ee2fa260..19db0a4ae44 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -685,7 +685,6 @@ typedef struct hwif_s { u8 pio_mask; - u8 atapi_dma; /* host supports atapi_dma */ u8 ultra_mask; u8 mwdma_mask; u8 swdma_mask; @@ -797,12 +796,9 @@ typedef struct hwif_s { unsigned serialized : 1; /* serialized all channel operation */ unsigned sharing_irq: 1; /* 1 = sharing irq with another hwif */ unsigned reset : 1; /* reset after probe */ - unsigned no_lba48 : 1; /* 1 = cannot do LBA48 */ - unsigned no_lba48_dma : 1; /* 1 = cannot do LBA48 DMA */ unsigned auto_poll : 1; /* supports nop auto-poll */ unsigned sg_mapped : 1; /* sg_table and sg_nents are ready */ unsigned no_io_32bit : 1; /* 1 = can not do 32-bit IO ops */ - unsigned err_stops_fifo : 1; /* 1=data FIFO is cleared by an error */ unsigned mmio : 1; /* host uses MMIO */ struct device gendev; @@ -1211,19 +1207,6 @@ extern void default_hwif_iops(ide_hwif_t *); extern void default_hwif_mmiops(ide_hwif_t *); extern void default_hwif_transport(ide_hwif_t *); -#define ON_BOARD 1 -#define NEVER_BOARD 0 - -#ifdef CONFIG_BLK_DEV_OFFBOARD -# define OFF_BOARD ON_BOARD -#else /* CONFIG_BLK_DEV_OFFBOARD */ -# define OFF_BOARD NEVER_BOARD -#endif /* CONFIG_BLK_DEV_OFFBOARD */ - -#define NODMA 0 -#define NOAUTODMA 1 -#define AUTODMA 2 - typedef struct ide_pci_enablebit_s { u8 reg; /* byte pci reg holding the enable-bit */ u8 mask; /* mask to isolate the enable-bit */ @@ -1258,24 +1241,48 @@ enum { IDE_HFLAG_TRUST_BIOS_FOR_DMA = (1 << 10), /* host uses VDMA */ IDE_HFLAG_VDMA = (1 << 11), + /* ATAPI DMA is unsupported */ + IDE_HFLAG_NO_ATAPI_DMA = (1 << 12), + /* set if host is a "bootable" controller */ + IDE_HFLAG_BOOTABLE = (1 << 13), + /* host doesn't support DMA */ + IDE_HFLAG_NO_DMA = (1 << 14), + /* check if host is PCI IDE device before allowing DMA */ + IDE_HFLAG_NO_AUTODMA = (1 << 15), + /* host is CS5510/CS5520 */ + IDE_HFLAG_CS5520 = (1 << 16), + /* no LBA48 */ + IDE_HFLAG_NO_LBA48 = (1 << 17), + /* no LBA48 DMA */ + IDE_HFLAG_NO_LBA48_DMA = (1 << 18), + /* data FIFO is cleared by an error */ + IDE_HFLAG_ERROR_STOPS_FIFO = (1 << 19), + /* serialize ports */ + IDE_HFLAG_SERIALIZE = (1 << 20), + /* use legacy IRQs */ + IDE_HFLAG_LEGACY_IRQS = (1 << 21), }; +#ifdef CONFIG_BLK_DEV_OFFBOARD +# define IDE_HFLAG_OFF_BOARD IDE_HFLAG_BOOTABLE +#else +# define IDE_HFLAG_OFF_BOARD 0 +#endif + typedef struct ide_pci_device_s { char *name; - int (*init_setup)(struct pci_dev *, struct ide_pci_device_s *); - void (*init_setup_dma)(struct pci_dev *, struct ide_pci_device_s *, ide_hwif_t *); unsigned int (*init_chipset)(struct pci_dev *, const char *); void (*init_iops)(ide_hwif_t *); void (*init_hwif)(ide_hwif_t *); void (*init_dma)(ide_hwif_t *, unsigned long); void (*fixup)(ide_hwif_t *); - u8 autodma; ide_pci_enablebit_t enablebits[2]; - u8 bootable; unsigned int extra; struct ide_pci_device_s *next; - u16 host_flags; + u32 host_flags; u8 pio_mask; + u8 swdma_mask; + u8 mwdma_mask; u8 udma_mask; } ide_pci_device_t; @@ -1454,4 +1461,11 @@ static inline int hwif_to_node(ide_hwif_t *hwif) return dev ? pcibus_to_node(dev->bus) : -1; } +static inline ide_drive_t *ide_get_paired_drive(ide_drive_t *drive) +{ + ide_hwif_t *hwif = HWIF(drive); + + return &hwif->drives[(drive->dn ^ 1) & 1]; +} + #endif /* _IDE_H */ diff --git a/include/linux/init_task.h b/include/linux/init_task.h index d4b2f1c76e1..cae35b6b9ae 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -67,9 +67,6 @@ .posix_timers = LIST_HEAD_INIT(sig.posix_timers), \ .cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \ .rlim = INIT_RLIMITS, \ - .pgrp = 0, \ - .tty_old_pgrp = NULL, \ - { .__session = 0}, \ } extern struct nsproxy init_nsproxy; @@ -94,15 +91,18 @@ extern struct group_info init_groups; #define INIT_STRUCT_PID { \ .count = ATOMIC_INIT(1), \ - .nr = 0, \ - /* Don't put this struct pid in pid_hash */ \ - .pid_chain = { .next = NULL, .pprev = NULL }, \ .tasks = { \ { .first = &init_task.pids[PIDTYPE_PID].node }, \ { .first = &init_task.pids[PIDTYPE_PGID].node }, \ { .first = &init_task.pids[PIDTYPE_SID].node }, \ }, \ .rcu = RCU_HEAD_INIT, \ + .level = 0, \ + .numbers = { { \ + .nr = 0, \ + .ns = &init_pid_ns, \ + .pid_chain = { .next = NULL, .pprev = NULL }, \ + }, } \ } #define INIT_PID_LINK(type) \ diff --git a/include/linux/input.h b/include/linux/input.h index f30da6fc08e..62268929856 100644 --- a/include/linux/input.h +++ b/include/linux/input.h @@ -98,6 +98,7 @@ struct input_absinfo { #define EV_PWR 0x16 #define EV_FF_STATUS 0x17 #define EV_MAX 0x1f +#define EV_CNT (EV_MAX+1) /* * Synchronization events. @@ -567,6 +568,7 @@ struct input_absinfo { /* We avoid low common keys in module aliases so they don't get huge. */ #define KEY_MIN_INTERESTING KEY_MUTE #define KEY_MAX 0x1ff +#define KEY_CNT (KEY_MAX+1) /* * Relative axes @@ -583,6 +585,7 @@ struct input_absinfo { #define REL_WHEEL 0x08 #define REL_MISC 0x09 #define REL_MAX 0x0f +#define REL_CNT (REL_MAX+1) /* * Absolute axes @@ -615,6 +618,7 @@ struct input_absinfo { #define ABS_VOLUME 0x20 #define ABS_MISC 0x28 #define ABS_MAX 0x3f +#define ABS_CNT (ABS_MAX+1) /* * Switch events @@ -625,6 +629,7 @@ struct input_absinfo { #define SW_HEADPHONE_INSERT 0x02 /* set = inserted */ #define SW_RADIO 0x03 /* set = radio enabled */ #define SW_MAX 0x0f +#define SW_CNT (SW_MAX+1) /* * Misc events @@ -636,6 +641,7 @@ struct input_absinfo { #define MSC_RAW 0x03 #define MSC_SCAN 0x04 #define MSC_MAX 0x07 +#define MSC_CNT (MSC_MAX+1) /* * LEDs @@ -653,6 +659,7 @@ struct input_absinfo { #define LED_MAIL 0x09 #define LED_CHARGING 0x0a #define LED_MAX 0x0f +#define LED_CNT (LED_MAX+1) /* * Autorepeat values @@ -670,6 +677,7 @@ struct input_absinfo { #define SND_BELL 0x01 #define SND_TONE 0x02 #define SND_MAX 0x07 +#define SND_CNT (SND_MAX+1) /* * IDs. @@ -920,6 +928,7 @@ struct ff_effect { #define FF_AUTOCENTER 0x61 #define FF_MAX 0x7f +#define FF_CNT (FF_MAX+1) #ifdef __KERNEL__ @@ -932,10 +941,6 @@ struct ff_effect { #include <linux/timer.h> #include <linux/mod_devicetable.h> -#define NBITS(x) (((x)/BITS_PER_LONG)+1) -#define BIT(x) (1UL<<((x)%BITS_PER_LONG)) -#define LONG(x) ((x)/BITS_PER_LONG) - /** * struct input_dev - represents an input device * @name: name of the device @@ -1005,28 +1010,30 @@ struct ff_effect { * @going_away: marks devices that are in a middle of unregistering and * causes input_open_device*() fail with -ENODEV. * @dev: driver model's view of this device + * @cdev: union for struct device pointer * @h_list: list of input handles associated with the device. When * accessing the list dev->mutex must be held * @node: used to place the device onto input_dev_list */ struct input_dev { - + /* private: */ void *private; /* do not use */ + /* public: */ const char *name; const char *phys; const char *uniq; struct input_id id; - unsigned long evbit[NBITS(EV_MAX)]; - unsigned long keybit[NBITS(KEY_MAX)]; - unsigned long relbit[NBITS(REL_MAX)]; - unsigned long absbit[NBITS(ABS_MAX)]; - unsigned long mscbit[NBITS(MSC_MAX)]; - unsigned long ledbit[NBITS(LED_MAX)]; - unsigned long sndbit[NBITS(SND_MAX)]; - unsigned long ffbit[NBITS(FF_MAX)]; - unsigned long swbit[NBITS(SW_MAX)]; + unsigned long evbit[BITS_TO_LONGS(EV_CNT)]; + unsigned long keybit[BITS_TO_LONGS(KEY_CNT)]; + unsigned long relbit[BITS_TO_LONGS(REL_CNT)]; + unsigned long absbit[BITS_TO_LONGS(ABS_CNT)]; + unsigned long mscbit[BITS_TO_LONGS(MSC_CNT)]; + unsigned long ledbit[BITS_TO_LONGS(LED_CNT)]; + unsigned long sndbit[BITS_TO_LONGS(SND_CNT)]; + unsigned long ffbit[BITS_TO_LONGS(FF_CNT)]; + unsigned long swbit[BITS_TO_LONGS(SW_CNT)]; unsigned int keycodemax; unsigned int keycodesize; @@ -1044,10 +1051,10 @@ struct input_dev { int abs[ABS_MAX + 1]; int rep[REP_MAX + 1]; - unsigned long key[NBITS(KEY_MAX)]; - unsigned long led[NBITS(LED_MAX)]; - unsigned long snd[NBITS(SND_MAX)]; - unsigned long sw[NBITS(SW_MAX)]; + unsigned long key[BITS_TO_LONGS(KEY_CNT)]; + unsigned long led[BITS_TO_LONGS(LED_CNT)]; + unsigned long snd[BITS_TO_LONGS(SND_CNT)]; + unsigned long sw[BITS_TO_LONGS(SW_CNT)]; int absmax[ABS_MAX + 1]; int absmin[ABS_MAX + 1]; @@ -1291,7 +1298,7 @@ static inline void input_set_abs_params(struct input_dev *dev, int axis, int min dev->absfuzz[axis] = fuzz; dev->absflat[axis] = flat; - dev->absbit[LONG(axis)] |= BIT(axis); + dev->absbit[BIT_WORD(axis)] |= BIT_MASK(axis); } extern struct class input_class; @@ -1332,7 +1339,7 @@ struct ff_device { void *private; - unsigned long ffbit[NBITS(FF_MAX)]; + unsigned long ffbit[BITS_TO_LONGS(FF_CNT)]; struct mutex mutex; diff --git a/include/linux/ipc.h b/include/linux/ipc.h index ee111834091..408696ea518 100644 --- a/include/linux/ipc.h +++ b/include/linux/ipc.h @@ -89,6 +89,7 @@ struct kern_ipc_perm { spinlock_t lock; int deleted; + int id; key_t key; uid_t uid; gid_t gid; @@ -110,6 +111,8 @@ struct ipc_namespace { int msg_ctlmax; int msg_ctlmnb; int msg_ctlmni; + atomic_t msg_bytes; + atomic_t msg_hdrs; size_t shm_ctlmax; size_t shm_ctlall; diff --git a/include/linux/ipmi.h b/include/linux/ipmi.h index 7a9db390c56..c5bd28b69ae 100644 --- a/include/linux/ipmi.h +++ b/include/linux/ipmi.h @@ -365,6 +365,16 @@ int ipmi_request_supply_msgs(ipmi_user_t user, int priority); /* + * Poll the IPMI interface for the user. This causes the IPMI code to + * do an immediate check for information from the driver and handle + * anything that is immediately pending. This will not block in any + * way. This is useful if you need to implement polling from the user + * for things like modifying the watchdog timeout when a panic occurs + * or disabling the watchdog timer on a reboot. + */ +void ipmi_poll_interface(ipmi_user_t user); + +/* * When commands come in to the SMS, the user can register to receive * them. Only one user can be listening on a specific netfn/cmd/chan tuple * at a time, you will get an EBUSY error if the command is already diff --git a/include/linux/ipmi_smi.h b/include/linux/ipmi_smi.h index c0633108d05..efa292a52e7 100644 --- a/include/linux/ipmi_smi.h +++ b/include/linux/ipmi_smi.h @@ -148,26 +148,46 @@ struct ipmi_device_id { /* Take a pointer to a raw data buffer and a length and extract device id information from it. The first byte of data must point to the - byte from the get device id response after the completion code. - The caller is responsible for making sure the length is at least - 11 and the command completed without error. */ -static inline void ipmi_demangle_device_id(unsigned char *data, - unsigned int data_len, - struct ipmi_device_id *id) + netfn << 2, the data should be of the format: + netfn << 2, cmd, completion code, data + as normally comes from a device interface. */ +static inline int ipmi_demangle_device_id(const unsigned char *data, + unsigned int data_len, + struct ipmi_device_id *id) { + if (data_len < 9) + return -EINVAL; + if (data[0] != IPMI_NETFN_APP_RESPONSE << 2 || + data[1] != IPMI_GET_DEVICE_ID_CMD) + /* Strange, didn't get the response we expected. */ + return -EINVAL; + if (data[2] != 0) + /* That's odd, it shouldn't be able to fail. */ + return -EINVAL; + + data += 3; + data_len -= 3; id->device_id = data[0]; id->device_revision = data[1]; id->firmware_revision_1 = data[2]; id->firmware_revision_2 = data[3]; id->ipmi_version = data[4]; id->additional_device_support = data[5]; - id->manufacturer_id = data[6] | (data[7] << 8) | (data[8] << 16); - id->product_id = data[9] | (data[10] << 8); + if (data_len >= 6) { + id->manufacturer_id = (data[6] | (data[7] << 8) | + (data[8] << 16)); + id->product_id = data[9] | (data[10] << 8); + } else { + id->manufacturer_id = 0; + id->product_id = 0; + } if (data_len >= 15) { memcpy(id->aux_firmware_revision, data+11, 4); id->aux_firmware_revision_set = 1; } else id->aux_firmware_revision_set = 0; + + return 0; } /* Add a low-level interface to the IPMI driver. Note that if the diff --git a/include/linux/jbd.h b/include/linux/jbd.h index 72f52237292..16e7ed855a1 100644 --- a/include/linux/jbd.h +++ b/include/linux/jbd.h @@ -58,7 +58,7 @@ * CONFIG_JBD_DEBUG is on. */ #define JBD_EXPENSIVE_CHECKING -extern int journal_enable_debug; +extern u8 journal_enable_debug; #define jbd_debug(n, f, a...) \ do { \ @@ -72,14 +72,15 @@ extern int journal_enable_debug; #define jbd_debug(f, a...) /**/ #endif -extern void * __jbd_kmalloc (const char *where, size_t size, gfp_t flags, int retry); -extern void * jbd_slab_alloc(size_t size, gfp_t flags); -extern void jbd_slab_free(void *ptr, size_t size); +static inline void *jbd_alloc(size_t size, gfp_t flags) +{ + return (void *)__get_free_pages(flags, get_order(size)); +} -#define jbd_kmalloc(size, flags) \ - __jbd_kmalloc(__FUNCTION__, (size), (flags), journal_oom_retry) -#define jbd_rep_kmalloc(size, flags) \ - __jbd_kmalloc(__FUNCTION__, (size), (flags), 1) +static inline void jbd_free(void *ptr, size_t size) +{ + free_pages((unsigned long)ptr, get_order(size)); +}; #define JFS_MIN_JOURNAL_BLOCKS 1024 @@ -247,17 +248,7 @@ typedef struct journal_superblock_s #include <linux/fs.h> #include <linux/sched.h> -#define JBD_ASSERTIONS -#ifdef JBD_ASSERTIONS -#define J_ASSERT(assert) \ -do { \ - if (!(assert)) { \ - printk (KERN_EMERG \ - "Assertion failure in %s() at %s:%d: \"%s\"\n", \ - __FUNCTION__, __FILE__, __LINE__, # assert); \ - BUG(); \ - } \ -} while (0) +#define J_ASSERT(assert) BUG_ON(!(assert)) #if defined(CONFIG_BUFFER_DEBUG) void buffer_assertion_failure(struct buffer_head *bh); @@ -273,10 +264,6 @@ void buffer_assertion_failure(struct buffer_head *bh); #define J_ASSERT_JH(jh, expr) J_ASSERT(expr) #endif -#else -#define J_ASSERT(assert) do { } while (0) -#endif /* JBD_ASSERTIONS */ - #if defined(JBD_PARANOID_IOFAIL) #define J_EXPECT(expr, why...) J_ASSERT(expr) #define J_EXPECT_BH(bh, expr, why...) J_ASSERT_BH(bh, expr) diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index 260d6d76c5f..06ef1145705 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -13,8 +13,8 @@ * filesystem journaling support. */ -#ifndef _LINUX_JBD_H -#define _LINUX_JBD_H +#ifndef _LINUX_JBD2_H +#define _LINUX_JBD2_H /* Allow this file to be included directly into e2fsprogs */ #ifndef __KERNEL__ @@ -37,26 +37,26 @@ #define journal_oom_retry 1 /* - * Define JBD_PARANIOD_IOFAIL to cause a kernel BUG() if ext3 finds + * Define JBD2_PARANIOD_IOFAIL to cause a kernel BUG() if ext4 finds * certain classes of error which can occur due to failed IOs. Under - * normal use we want ext3 to continue after such errors, because + * normal use we want ext4 to continue after such errors, because * hardware _can_ fail, but for debugging purposes when running tests on * known-good hardware we may want to trap these errors. */ -#undef JBD_PARANOID_IOFAIL +#undef JBD2_PARANOID_IOFAIL /* * The default maximum commit age, in seconds. */ -#define JBD_DEFAULT_MAX_COMMIT_AGE 5 +#define JBD2_DEFAULT_MAX_COMMIT_AGE 5 #ifdef CONFIG_JBD2_DEBUG /* - * Define JBD_EXPENSIVE_CHECKING to enable more expensive internal + * Define JBD2_EXPENSIVE_CHECKING to enable more expensive internal * consistency checks. By default we don't do this unless * CONFIG_JBD2_DEBUG is on. */ -#define JBD_EXPENSIVE_CHECKING +#define JBD2_EXPENSIVE_CHECKING extern u8 jbd2_journal_enable_debug; #define jbd_debug(n, f, a...) \ @@ -71,14 +71,15 @@ extern u8 jbd2_journal_enable_debug; #define jbd_debug(f, a...) /**/ #endif -extern void * __jbd2_kmalloc (const char *where, size_t size, gfp_t flags, int retry); -extern void * jbd2_slab_alloc(size_t size, gfp_t flags); -extern void jbd2_slab_free(void *ptr, size_t size); +static inline void *jbd2_alloc(size_t size, gfp_t flags) +{ + return (void *)__get_free_pages(flags, get_order(size)); +} -#define jbd_kmalloc(size, flags) \ - __jbd2_kmalloc(__FUNCTION__, (size), (flags), journal_oom_retry) -#define jbd_rep_kmalloc(size, flags) \ - __jbd2_kmalloc(__FUNCTION__, (size), (flags), 1) +static inline void jbd2_free(void *ptr, size_t size) +{ + free_pages((unsigned long)ptr, get_order(size)); +}; #define JBD2_MIN_JOURNAL_BLOCKS 1024 @@ -162,8 +163,8 @@ typedef struct journal_block_tag_s __be32 t_blocknr_high; /* most-significant high 32bits. */ } journal_block_tag_t; -#define JBD_TAG_SIZE32 (offsetof(journal_block_tag_t, t_blocknr_high)) -#define JBD_TAG_SIZE64 (sizeof(journal_block_tag_t)) +#define JBD2_TAG_SIZE32 (offsetof(journal_block_tag_t, t_blocknr_high)) +#define JBD2_TAG_SIZE64 (sizeof(journal_block_tag_t)) /* * The revoke descriptor: used on disk to describe a series of blocks to @@ -255,8 +256,8 @@ typedef struct journal_superblock_s #include <linux/fs.h> #include <linux/sched.h> -#define JBD_ASSERTIONS -#ifdef JBD_ASSERTIONS +#define JBD2_ASSERTIONS +#ifdef JBD2_ASSERTIONS #define J_ASSERT(assert) \ do { \ if (!(assert)) { \ @@ -283,9 +284,9 @@ void buffer_assertion_failure(struct buffer_head *bh); #else #define J_ASSERT(assert) do { } while (0) -#endif /* JBD_ASSERTIONS */ +#endif /* JBD2_ASSERTIONS */ -#if defined(JBD_PARANOID_IOFAIL) +#if defined(JBD2_PARANOID_IOFAIL) #define J_EXPECT(expr, why...) J_ASSERT(expr) #define J_EXPECT_BH(bh, expr, why...) J_ASSERT_BH(bh, expr) #define J_EXPECT_JH(jh, expr, why...) J_ASSERT_JH(jh, expr) @@ -959,12 +960,12 @@ void jbd2_journal_put_journal_head(struct journal_head *jh); */ extern struct kmem_cache *jbd2_handle_cache; -static inline handle_t *jbd_alloc_handle(gfp_t gfp_flags) +static inline handle_t *jbd2_alloc_handle(gfp_t gfp_flags) { return kmem_cache_alloc(jbd2_handle_cache, gfp_flags); } -static inline void jbd_free_handle(handle_t *handle) +static inline void jbd2_free_handle(handle_t *handle) { kmem_cache_free(jbd2_handle_cache, handle); } @@ -1103,4 +1104,4 @@ extern int jbd_blocks_per_page(struct inode *inode); #endif /* __KERNEL__ */ -#endif /* _LINUX_JBD_H */ +#endif /* _LINUX_JBD2_H */ diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h index 12bf44f083f..e8ffce898bf 100644 --- a/include/linux/kernel_stat.h +++ b/include/linux/kernel_stat.h @@ -53,7 +53,9 @@ static inline int kstat_irqs(int irq) } extern void account_user_time(struct task_struct *, cputime_t); +extern void account_user_time_scaled(struct task_struct *, cputime_t); extern void account_system_time(struct task_struct *, int, cputime_t); +extern void account_system_time_scaled(struct task_struct *, cputime_t); extern void account_steal_time(struct task_struct *, cputime_t); #endif /* _LINUX_KERNEL_STAT_H */ diff --git a/include/linux/kexec.h b/include/linux/kexec.h index ad4b82ce84a..2d9c448d8c5 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h @@ -187,6 +187,8 @@ extern u32 vmcoreinfo_note[VMCOREINFO_NOTE_SIZE/4]; extern size_t vmcoreinfo_size; extern size_t vmcoreinfo_max_size; +int __init parse_crashkernel(char *cmdline, unsigned long long system_ram, + unsigned long long *crash_size, unsigned long long *crash_base); #else /* !CONFIG_KEXEC */ struct pt_regs; diff --git a/include/linux/keyboard.h b/include/linux/keyboard.h index 33b5c2e325b..65c2d70853e 100644 --- a/include/linux/keyboard.h +++ b/include/linux/keyboard.h @@ -23,10 +23,21 @@ #define MAX_NR_OF_USER_KEYMAPS 256 /* should be at least 7 */ #ifdef __KERNEL__ +struct notifier_block; extern const int NR_TYPES; extern const int max_vals[]; extern unsigned short *key_maps[MAX_NR_KEYMAPS]; extern unsigned short plain_map[NR_KEYS]; + +struct keyboard_notifier_param { + struct vc_data *vc; /* VC on which the keyboard press was done */ + int down; /* Pressure of the key? */ + int shift; /* Current shift mask */ + unsigned int value; /* keycode, unicode value or keysym */ +}; + +extern int register_keyboard_notifier(struct notifier_block *nb); +extern int unregister_keyboard_notifier(struct notifier_block *nb); #endif #define MAX_NR_FUNC 256 /* max nr of strings assigned to keys */ diff --git a/include/linux/libata.h b/include/linux/libata.h index 377e6d4d9be..bc3b6fc7b98 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -1037,18 +1037,6 @@ extern void ata_port_pbar_desc(struct ata_port *ap, int bar, ssize_t offset, /* * qc helpers */ -static inline int -ata_sg_is_last(struct scatterlist *sg, struct ata_queued_cmd *qc) -{ - if (sg == &qc->pad_sgent) - return 1; - if (qc->pad_len) - return 0; - if (qc->n_iter == qc->n_elem) - return 1; - return 0; -} - static inline struct scatterlist * ata_qc_first_sg(struct ata_queued_cmd *qc) { diff --git a/include/linux/list.h b/include/linux/list.h index b0cf0135fe3..75ce2cb4ff6 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -478,8 +478,7 @@ static inline void list_splice_init_rcu(struct list_head *list, pos = n, n = pos->next) /** - * list_for_each_prev_safe - iterate over a list backwards safe against removal - of list entry + * list_for_each_prev_safe - iterate over a list backwards safe against removal of list entry * @pos: the &struct list_head to use as a loop cursor. * @n: another &struct list_head to use as temporary storage * @head: the head for your list. diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index f6279f68a82..4c4d236ded1 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -276,6 +276,14 @@ extern void lockdep_init_map(struct lockdep_map *lock, const char *name, (lock)->dep_map.key, sub) /* + * To initialize a lockdep_map statically use this macro. + * Note that _name must not be NULL. + */ +#define STATIC_LOCKDEP_MAP_INIT(_name, _key) \ + { .name = (_name), .key = (void *)(_key), } + + +/* * Acquire a lock. * * Values for "read": diff --git a/include/linux/magic.h b/include/linux/magic.h index 722d4755060..1fa0c2ce4de 100644 --- a/include/linux/magic.h +++ b/include/linux/magic.h @@ -37,6 +37,7 @@ #define SMB_SUPER_MAGIC 0x517B #define USBDEVICE_SUPER_MAGIC 0x9fa2 +#define CGROUP_SUPER_MAGIC 0x27e0eb #define FUTEXFS_SUPER_MAGIC 0xBAD1DEA #define INOTIFYFS_SUPER_MAGIC 0x2BAD1DEA diff --git a/include/linux/marker.h b/include/linux/marker.h new file mode 100644 index 00000000000..5f36cf946bc --- /dev/null +++ b/include/linux/marker.h @@ -0,0 +1,129 @@ +#ifndef _LINUX_MARKER_H +#define _LINUX_MARKER_H + +/* + * Code markup for dynamic and static tracing. + * + * See Documentation/marker.txt. + * + * (C) Copyright 2006 Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> + * + * This file is released under the GPLv2. + * See the file COPYING for more details. + */ + +#include <linux/types.h> + +struct module; +struct marker; + +/** + * marker_probe_func - Type of a marker probe function + * @mdata: pointer of type struct marker + * @private_data: caller site private data + * @fmt: format string + * @...: variable argument list + * + * Type of marker probe functions. They receive the mdata and need to parse the + * format string to recover the variable argument list. + */ +typedef void marker_probe_func(const struct marker *mdata, + void *private_data, const char *fmt, ...); + +struct marker { + const char *name; /* Marker name */ + const char *format; /* Marker format string, describing the + * variable argument list. + */ + char state; /* Marker state. */ + marker_probe_func *call;/* Probe handler function pointer */ + void *private; /* Private probe data */ +} __attribute__((aligned(8))); + +#ifdef CONFIG_MARKERS + +/* + * Note : the empty asm volatile with read constraint is used here instead of a + * "used" attribute to fix a gcc 4.1.x bug. + * Make sure the alignment of the structure in the __markers section will + * not add unwanted padding between the beginning of the section and the + * structure. Force alignment to the same alignment as the section start. + */ +#define __trace_mark(name, call_data, format, args...) \ + do { \ + static const char __mstrtab_name_##name[] \ + __attribute__((section("__markers_strings"))) \ + = #name; \ + static const char __mstrtab_format_##name[] \ + __attribute__((section("__markers_strings"))) \ + = format; \ + static struct marker __mark_##name \ + __attribute__((section("__markers"), aligned(8))) = \ + { __mstrtab_name_##name, __mstrtab_format_##name, \ + 0, __mark_empty_function, NULL }; \ + __mark_check_format(format, ## args); \ + if (unlikely(__mark_##name.state)) { \ + preempt_disable(); \ + (*__mark_##name.call) \ + (&__mark_##name, call_data, \ + format, ## args); \ + preempt_enable(); \ + } \ + } while (0) + +extern void marker_update_probe_range(struct marker *begin, + struct marker *end, struct module *probe_module, int *refcount); +#else /* !CONFIG_MARKERS */ +#define __trace_mark(name, call_data, format, args...) \ + __mark_check_format(format, ## args) +static inline void marker_update_probe_range(struct marker *begin, + struct marker *end, struct module *probe_module, int *refcount) +{ } +#endif /* CONFIG_MARKERS */ + +/** + * trace_mark - Marker + * @name: marker name, not quoted. + * @format: format string + * @args...: variable argument list + * + * Places a marker. + */ +#define trace_mark(name, format, args...) \ + __trace_mark(name, NULL, format, ## args) + +#define MARK_MAX_FORMAT_LEN 1024 + +/** + * MARK_NOARGS - Format string for a marker with no argument. + */ +#define MARK_NOARGS " " + +/* To be used for string format validity checking with gcc */ +static inline void __printf(1, 2) __mark_check_format(const char *fmt, ...) +{ +} + +extern marker_probe_func __mark_empty_function; + +/* + * Connect a probe to a marker. + * private data pointer must be a valid allocated memory address, or NULL. + */ +extern int marker_probe_register(const char *name, const char *format, + marker_probe_func *probe, void *private); + +/* + * Returns the private data given to marker_probe_register. + */ +extern void *marker_probe_unregister(const char *name); +/* + * Unregister a marker by providing the registered private data. + */ +extern void *marker_probe_unregister_private_data(void *private); + +extern int marker_arm(const char *name); +extern int marker_disarm(const char *name); +extern void *marker_get_private_data(const char *name); + +#endif diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h index 38c04d61ee0..59c4865bc85 100644 --- a/include/linux/mempolicy.h +++ b/include/linux/mempolicy.h @@ -148,14 +148,6 @@ extern void mpol_rebind_task(struct task_struct *tsk, const nodemask_t *new); extern void mpol_rebind_mm(struct mm_struct *mm, nodemask_t *new); extern void mpol_fix_fork_child_flag(struct task_struct *p); -#define set_cpuset_being_rebound(x) (cpuset_being_rebound = (x)) - -#ifdef CONFIG_CPUSETS -#define current_cpuset_is_being_rebound() \ - (cpuset_being_rebound == current->cpuset) -#else -#define current_cpuset_is_being_rebound() 0 -#endif extern struct mempolicy default_policy; extern struct zonelist *huge_zonelist(struct vm_area_struct *vma, @@ -173,8 +165,6 @@ static inline void check_highest_zone(enum zone_type k) int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from_nodes, const nodemask_t *to_nodes, int flags); -extern void *cpuset_being_rebound; /* Trigger mpol_copy vma rebind */ - #else struct mempolicy {}; @@ -248,8 +238,6 @@ static inline void mpol_fix_fork_child_flag(struct task_struct *p) { } -#define set_cpuset_being_rebound(x) do {} while (0) - static inline struct zonelist *huge_zonelist(struct vm_area_struct *vma, unsigned long addr, gfp_t gfp_flags, struct mempolicy **mpol) { diff --git a/include/linux/module.h b/include/linux/module.h index 642f325e491..2cbc0b87e32 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -15,6 +15,7 @@ #include <linux/stringify.h> #include <linux/kobject.h> #include <linux/moduleparam.h> +#include <linux/marker.h> #include <asm/local.h> #include <asm/module.h> @@ -354,6 +355,10 @@ struct module /* The command line arguments (may be mangled). People like keeping pointers to this stuff */ char *args; +#ifdef CONFIG_MARKERS + struct marker *markers; + unsigned int num_markers; +#endif }; #ifndef MODULE_ARCH_INIT #define MODULE_ARCH_INIT {} @@ -457,6 +462,8 @@ int unregister_module_notifier(struct notifier_block * nb); extern void print_modules(void); +extern void module_update_markers(struct module *probe_module, int *refcount); + #else /* !CONFIG_MODULES... */ #define EXPORT_SYMBOL(sym) #define EXPORT_SYMBOL_GPL(sym) @@ -556,6 +563,11 @@ static inline void print_modules(void) { } +static inline void module_update_markers(struct module *probe_module, + int *refcount) +{ +} + #endif /* CONFIG_MODULES */ struct device_driver; diff --git a/include/linux/msg.h b/include/linux/msg.h index f1b60740d64..10a3d5a1abf 100644 --- a/include/linux/msg.h +++ b/include/linux/msg.h @@ -77,7 +77,6 @@ struct msg_msg { /* one msq_queue structure for each present queue on the system */ struct msg_queue { struct kern_ipc_perm q_perm; - int q_id; time_t q_stime; /* last msgsnd time */ time_t q_rtime; /* last msgrcv time */ time_t q_ctime; /* last change time */ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 39dd83b183a..6f85db3535e 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -407,6 +407,24 @@ static inline void napi_enable(struct napi_struct *n) clear_bit(NAPI_STATE_SCHED, &n->state); } +#ifdef CONFIG_SMP +/** + * napi_synchronize - wait until NAPI is not running + * @n: napi context + * + * Wait until NAPI is done being scheduled on this context. + * Waits till any outstanding processing completes but + * does not disable future activations. + */ +static inline void napi_synchronize(const struct napi_struct *n) +{ + while (test_bit(NAPI_STATE_SCHED, &n->state)) + msleep(1); +} +#else +# define napi_synchronize(n) barrier() +#endif + /* * The DEVICE structure. * Actually, this whole structure is a big mistake. It mixes I/O @@ -827,7 +845,7 @@ static inline int dev_parse_header(const struct sk_buff *skb, { const struct net_device *dev = skb->dev; - if (!dev->header_ops->parse) + if (!dev->header_ops || !dev->header_ops->parse) return 0; return dev->header_ops->parse(skb, haddr); } diff --git a/include/linux/netfilter/xt_sctp.h b/include/linux/netfilter/xt_sctp.h index b157897e779..dd5a4fd4cfd 100644 --- a/include/linux/netfilter/xt_sctp.h +++ b/include/linux/netfilter/xt_sctp.h @@ -7,9 +7,6 @@ #define XT_SCTP_VALID_FLAGS 0x07 -#define ELEMCOUNT(x) (sizeof(x)/sizeof(x[0])) - - struct xt_sctp_flag_info { u_int8_t chunktype; u_int8_t flag; @@ -59,21 +56,21 @@ struct xt_sctp_info { #define SCTP_CHUNKMAP_RESET(chunkmap) \ do { \ int i; \ - for (i = 0; i < ELEMCOUNT(chunkmap); i++) \ + for (i = 0; i < ARRAY_SIZE(chunkmap); i++) \ chunkmap[i] = 0; \ } while (0) #define SCTP_CHUNKMAP_SET_ALL(chunkmap) \ do { \ int i; \ - for (i = 0; i < ELEMCOUNT(chunkmap); i++) \ + for (i = 0; i < ARRAY_SIZE(chunkmap); i++) \ chunkmap[i] = ~0; \ } while (0) #define SCTP_CHUNKMAP_COPY(destmap, srcmap) \ do { \ int i; \ - for (i = 0; i < ELEMCOUNT(chunkmap); i++) \ + for (i = 0; i < ARRAY_SIZE(srcmap); i++) \ destmap[i] = srcmap[i]; \ } while (0) @@ -81,7 +78,7 @@ struct xt_sctp_info { ({ \ int i; \ int flag = 1; \ - for (i = 0; i < ELEMCOUNT(chunkmap); i++) { \ + for (i = 0; i < ARRAY_SIZE(chunkmap); i++) { \ if (chunkmap[i]) { \ flag = 0; \ break; \ @@ -94,7 +91,7 @@ struct xt_sctp_info { ({ \ int i; \ int flag = 1; \ - for (i = 0; i < ELEMCOUNT(chunkmap); i++) { \ + for (i = 0; i < ARRAY_SIZE(chunkmap); i++) { \ if (chunkmap[i] != ~0) { \ flag = 0; \ break; \ diff --git a/include/linux/notifier.h b/include/linux/notifier.h index fad7ff17e46..0c40cc0b4a3 100644 --- a/include/linux/notifier.h +++ b/include/linux/notifier.h @@ -231,5 +231,22 @@ static inline int notifier_to_errno(int ret) #define PM_SUSPEND_PREPARE 0x0003 /* Going to suspend the system */ #define PM_POST_SUSPEND 0x0004 /* Suspend finished */ +/* Console keyboard events. + * Note: KBD_KEYCODE is always sent before KBD_UNBOUND_KEYCODE, KBD_UNICODE and + * KBD_KEYSYM. */ +#define KBD_KEYCODE 0x0001 /* Keyboard keycode, called before any other */ +#define KBD_UNBOUND_KEYCODE 0x0002 /* Keyboard keycode which is not bound to any other */ +#define KBD_UNICODE 0x0003 /* Keyboard unicode */ +#define KBD_KEYSYM 0x0004 /* Keyboard keysym */ +#define KBD_POST_KEYSYM 0x0005 /* Called after keyboard keysym interpretation */ + +extern struct blocking_notifier_head reboot_notifier_list; + +/* Virtual Terminal events. */ +#define VT_ALLOCATE 0x0001 /* Console got allocated */ +#define VT_DEALLOCATE 0x0002 /* Console will be deallocated */ +#define VT_WRITE 0x0003 /* A char got output */ +#define VT_UPDATE 0x0004 /* A bigger update occurred */ + #endif /* __KERNEL__ */ #endif /* _LINUX_NOTIFIER_H */ diff --git a/include/linux/nsproxy.h b/include/linux/nsproxy.h index 033a648709b..0e66b57631f 100644 --- a/include/linux/nsproxy.h +++ b/include/linux/nsproxy.h @@ -32,8 +32,39 @@ struct nsproxy { }; extern struct nsproxy init_nsproxy; +/* + * the namespaces access rules are: + * + * 1. only current task is allowed to change tsk->nsproxy pointer or + * any pointer on the nsproxy itself + * + * 2. when accessing (i.e. reading) current task's namespaces - no + * precautions should be taken - just dereference the pointers + * + * 3. the access to other task namespaces is performed like this + * rcu_read_lock(); + * nsproxy = task_nsproxy(tsk); + * if (nsproxy != NULL) { + * / * + * * work with the namespaces here + * * e.g. get the reference on one of them + * * / + * } / * + * * NULL task_nsproxy() means that this task is + * * almost dead (zombie) + * * / + * rcu_read_unlock(); + * + */ + +static inline struct nsproxy *task_nsproxy(struct task_struct *tsk) +{ + return rcu_dereference(tsk->nsproxy); +} + int copy_namespaces(unsigned long flags, struct task_struct *tsk); -void get_task_namespaces(struct task_struct *tsk); +void exit_task_namespaces(struct task_struct *tsk); +void switch_task_namespaces(struct task_struct *tsk, struct nsproxy *new); void free_nsproxy(struct nsproxy *ns); int unshare_nsproxy_namespaces(unsigned long, struct nsproxy **, struct fs_struct *); @@ -45,14 +76,15 @@ static inline void put_nsproxy(struct nsproxy *ns) } } -static inline void exit_task_namespaces(struct task_struct *p) +static inline void get_nsproxy(struct nsproxy *ns) { - struct nsproxy *ns = p->nsproxy; - if (ns) { - task_lock(p); - p->nsproxy = NULL; - task_unlock(p); - put_nsproxy(ns); - } + atomic_inc(&ns->count); } + +#ifdef CONFIG_CGROUP_NS +int ns_cgroup_clone(struct task_struct *tsk); +#else +static inline int ns_cgroup_clone(struct task_struct *tsk) { return 0; } +#endif + #endif diff --git a/include/linux/of.h b/include/linux/of.h index 6df80e98591..5c39b9270ff 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -16,8 +16,8 @@ * 2 of the License, or (at your option) any later version. */ #include <linux/types.h> +#include <linux/bitops.h> -#include <asm/bitops.h> #include <asm/prom.h> /* flag descriptions */ diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h index 448f70b30a0..a8efcfeea73 100644 --- a/include/linux/of_platform.h +++ b/include/linux/of_platform.h @@ -48,6 +48,10 @@ struct of_platform_driver #define to_of_platform_driver(drv) \ container_of(drv,struct of_platform_driver, driver) +extern int of_register_driver(struct of_platform_driver *drv, + struct bus_type *bus); +extern void of_unregister_driver(struct of_platform_driver *drv); + #include <asm/of_platform.h> extern struct of_device *of_find_device_by_node(struct device_node *np); diff --git a/include/linux/parport.h b/include/linux/parport.h index 9cdd6943e01..ec3f7659832 100644 --- a/include/linux/parport.h +++ b/include/linux/parport.h @@ -510,7 +510,6 @@ extern struct pardevice *parport_open (int devnum, const char *name, int flags, void *handle); extern void parport_close (struct pardevice *dev); extern ssize_t parport_device_id (int devnum, char *buffer, size_t len); -extern int parport_device_num (int parport, int mux, int daisy); extern void parport_daisy_deselect_all (struct parport *port); extern int parport_daisy_select (struct parport *port, int daisy, int mode); diff --git a/include/linux/phantom.h b/include/linux/phantom.h index d3ebbfae690..96f4048a6cc 100644 --- a/include/linux/phantom.h +++ b/include/linux/phantom.h @@ -30,7 +30,11 @@ struct phm_regs { #define PHN_SET_REG _IOW (PH_IOC_MAGIC, 1, struct phm_reg *) #define PHN_GET_REGS _IOWR(PH_IOC_MAGIC, 2, struct phm_regs *) #define PHN_SET_REGS _IOW (PH_IOC_MAGIC, 3, struct phm_regs *) -#define PH_IOC_MAXNR 3 +/* this ioctl tells the driver, that the caller is not OpenHaptics and might + * use improved registers update (no more phantom switchoffs when using + * libphantom) */ +#define PHN_NOT_OH _IO (PH_IOC_MAGIC, 4) +#define PH_IOC_MAXNR 4 #define PHN_CONTROL 0x6 /* control byte in iaddr space */ #define PHN_CTL_AMP 0x1 /* switch after torques change */ diff --git a/include/linux/pid.h b/include/linux/pid.h index 1e0e4e3423a..e29a900a849 100644 --- a/include/linux/pid.h +++ b/include/linux/pid.h @@ -40,15 +40,28 @@ enum pid_type * processes. */ -struct pid -{ - atomic_t count; + +/* + * struct upid is used to get the id of the struct pid, as it is + * seen in particular namespace. Later the struct pid is found with + * find_pid_ns() using the int nr and struct pid_namespace *ns. + */ + +struct upid { /* Try to keep pid_chain in the same cacheline as nr for find_pid */ int nr; + struct pid_namespace *ns; struct hlist_node pid_chain; +}; + +struct pid +{ + atomic_t count; /* lists of tasks that use this pid */ struct hlist_head tasks[PIDTYPE_MAX]; struct rcu_head rcu; + int level; + struct upid numbers[1]; }; extern struct pid init_struct_pid; @@ -83,26 +96,60 @@ extern void FASTCALL(detach_pid(struct task_struct *task, enum pid_type)); extern void FASTCALL(transfer_pid(struct task_struct *old, struct task_struct *new, enum pid_type)); +struct pid_namespace; +extern struct pid_namespace init_pid_ns; + /* * look up a PID in the hash table. Must be called with the tasklist_lock * or rcu_read_lock() held. + * + * find_pid_ns() finds the pid in the namespace specified + * find_pid() find the pid by its global id, i.e. in the init namespace + * find_vpid() finr the pid by its virtual id, i.e. in the current namespace + * + * see also find_task_by_pid() set in include/linux/sched.h */ -extern struct pid *FASTCALL(find_pid(int nr)); +extern struct pid *FASTCALL(find_pid_ns(int nr, struct pid_namespace *ns)); +extern struct pid *find_vpid(int nr); +extern struct pid *find_pid(int nr); /* * Lookup a PID in the hash table, and return with it's count elevated. */ extern struct pid *find_get_pid(int nr); -extern struct pid *find_ge_pid(int nr); +extern struct pid *find_ge_pid(int nr, struct pid_namespace *); -extern struct pid *alloc_pid(void); +extern struct pid *alloc_pid(struct pid_namespace *ns); extern void FASTCALL(free_pid(struct pid *pid)); +extern void zap_pid_ns_processes(struct pid_namespace *pid_ns); + +/* + * the helpers to get the pid's id seen from different namespaces + * + * pid_nr() : global id, i.e. the id seen from the init namespace; + * pid_vnr() : virtual id, i.e. the id seen from the namespace this pid + * belongs to. this only makes sence when called in the + * context of the task that belongs to the same namespace; + * pid_nr_ns() : id seen from the ns specified. + * + * see also task_xid_nr() etc in include/linux/sched.h + */ static inline pid_t pid_nr(struct pid *pid) { pid_t nr = 0; if (pid) - nr = pid->nr; + nr = pid->numbers[0].nr; + return nr; +} + +pid_t pid_nr_ns(struct pid *pid, struct pid_namespace *ns); + +static inline pid_t pid_vnr(struct pid *pid) +{ + pid_t nr = 0; + if (pid) + nr = pid->numbers[pid->level].nr; return nr; } diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h index b9a17e08ff0..0135c76c76c 100644 --- a/include/linux/pid_namespace.h +++ b/include/linux/pid_namespace.h @@ -4,7 +4,6 @@ #include <linux/sched.h> #include <linux/mm.h> #include <linux/threads.h> -#include <linux/pid.h> #include <linux/nsproxy.h> #include <linux/kref.h> @@ -20,13 +19,21 @@ struct pid_namespace { struct pidmap pidmap[PIDMAP_ENTRIES]; int last_pid; struct task_struct *child_reaper; + struct kmem_cache *pid_cachep; + int level; + struct pid_namespace *parent; +#ifdef CONFIG_PROC_FS + struct vfsmount *proc_mnt; +#endif }; extern struct pid_namespace init_pid_ns; -static inline void get_pid_ns(struct pid_namespace *ns) +static inline struct pid_namespace *get_pid_ns(struct pid_namespace *ns) { - kref_get(&ns->kref); + if (ns != &init_pid_ns) + kref_get(&ns->kref); + return ns; } extern struct pid_namespace *copy_pid_ns(unsigned long flags, struct pid_namespace *ns); @@ -34,12 +41,19 @@ extern void free_pid_ns(struct kref *kref); static inline void put_pid_ns(struct pid_namespace *ns) { - kref_put(&ns->kref, free_pid_ns); + if (ns != &init_pid_ns) + kref_put(&ns->kref, free_pid_ns); } -static inline struct task_struct *child_reaper(struct task_struct *tsk) +static inline struct pid_namespace *task_active_pid_ns(struct task_struct *tsk) { - return init_pid_ns.child_reaper; + return tsk->nsproxy->pid_ns; +} + +static inline struct task_struct *task_child_reaper(struct task_struct *tsk) +{ + BUG_ON(tsk != current); + return tsk->nsproxy->pid_ns->child_reaper; } #endif /* _LINUX_PID_NS_H */ diff --git a/include/linux/pm.h b/include/linux/pm.h index 48b71badfb4..09a309b7b5d 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -104,104 +104,6 @@ extern void (*pm_idle)(void); extern void (*pm_power_off)(void); extern void (*pm_power_off_prepare)(void); -typedef int __bitwise suspend_state_t; - -#define PM_SUSPEND_ON ((__force suspend_state_t) 0) -#define PM_SUSPEND_STANDBY ((__force suspend_state_t) 1) -#define PM_SUSPEND_MEM ((__force suspend_state_t) 3) -#define PM_SUSPEND_MAX ((__force suspend_state_t) 4) - -/** - * struct pm_ops - Callbacks for managing platform dependent system sleep - * states. - * - * @valid: Callback to determine if given system sleep state is supported by - * the platform. - * Valid (ie. supported) states are advertised in /sys/power/state. Note - * that it still may be impossible to enter given system sleep state if the - * conditions aren't right. - * There is the %pm_valid_only_mem function available that can be assigned - * to this if the platform only supports mem sleep. - * - * @set_target: Tell the platform which system sleep state is going to be - * entered. - * @set_target() is executed right prior to suspending devices. The - * information conveyed to the platform code by @set_target() should be - * disregarded by the platform as soon as @finish() is executed and if - * @prepare() fails. If @set_target() fails (ie. returns nonzero), - * @prepare(), @enter() and @finish() will not be called by the PM core. - * This callback is optional. However, if it is implemented, the argument - * passed to @prepare(), @enter() and @finish() is meaningless and should - * be ignored. - * - * @prepare: Prepare the platform for entering the system sleep state indicated - * by @set_target() or represented by the argument if @set_target() is not - * implemented. - * @prepare() is called right after devices have been suspended (ie. the - * appropriate .suspend() method has been executed for each device) and - * before the nonboot CPUs are disabled (it is executed with IRQs enabled). - * This callback is optional. It returns 0 on success or a negative - * error code otherwise, in which case the system cannot enter the desired - * sleep state (@enter() and @finish() will not be called in that case). - * - * @enter: Enter the system sleep state indicated by @set_target() or - * represented by the argument if @set_target() is not implemented. - * This callback is mandatory. It returns 0 on success or a negative - * error code otherwise, in which case the system cannot enter the desired - * sleep state. - * - * @finish: Called when the system has just left a sleep state, right after - * the nonboot CPUs have been enabled and before devices are resumed (it is - * executed with IRQs enabled). If @set_target() is not implemented, the - * argument represents the sleep state being left. - * This callback is optional, but should be implemented by the platforms - * that implement @prepare(). If implemented, it is always called after - * @enter() (even if @enter() fails). - */ -struct pm_ops { - int (*valid)(suspend_state_t state); - int (*set_target)(suspend_state_t state); - int (*prepare)(suspend_state_t state); - int (*enter)(suspend_state_t state); - int (*finish)(suspend_state_t state); -}; - -#ifdef CONFIG_SUSPEND -extern struct pm_ops *pm_ops; - -/** - * pm_set_ops - set platform dependent power management ops - * @pm_ops: The new power management operations to set. - */ -extern void pm_set_ops(struct pm_ops *pm_ops); -extern int pm_valid_only_mem(suspend_state_t state); - -/** - * arch_suspend_disable_irqs - disable IRQs for suspend - * - * Disables IRQs (in the default case). This is a weak symbol in the common - * code and thus allows architectures to override it if more needs to be - * done. Not called for suspend to disk. - */ -extern void arch_suspend_disable_irqs(void); - -/** - * arch_suspend_enable_irqs - enable IRQs after suspend - * - * Enables IRQs (in the default case). This is a weak symbol in the common - * code and thus allows architectures to override it if more needs to be - * done. Not called for suspend to disk. - */ -extern void arch_suspend_enable_irqs(void); - -extern int pm_suspend(suspend_state_t state); -#else /* !CONFIG_SUSPEND */ -#define suspend_valid_only_mem NULL - -static inline void pm_set_ops(struct pm_ops *pm_ops) {} -static inline int pm_suspend(suspend_state_t state) { return -ENOSYS; } -#endif /* !CONFIG_SUSPEND */ - /* * Device power management */ diff --git a/include/linux/poison.h b/include/linux/poison.h index d93c300a344..a9c31be7052 100644 --- a/include/linux/poison.h +++ b/include/linux/poison.h @@ -36,7 +36,8 @@ */ /********** fs/jbd/journal.c **********/ -#define JBD_POISON_FREE 0x5b +#define JBD_POISON_FREE 0x5b +#define JBD2_POISON_FREE 0x5c /********** drivers/base/dmapool.c **********/ #define POOL_POISON_FREED 0xa7 /* !inuse */ diff --git a/include/linux/prio_heap.h b/include/linux/prio_heap.h new file mode 100644 index 00000000000..08094350f26 --- /dev/null +++ b/include/linux/prio_heap.h @@ -0,0 +1,58 @@ +#ifndef _LINUX_PRIO_HEAP_H +#define _LINUX_PRIO_HEAP_H + +/* + * Simple insertion-only static-sized priority heap containing + * pointers, based on CLR, chapter 7 + */ + +#include <linux/gfp.h> + +/** + * struct ptr_heap - simple static-sized priority heap + * @ptrs - pointer to data area + * @max - max number of elements that can be stored in @ptrs + * @size - current number of valid elements in @ptrs (in the range 0..@size-1 + * @gt: comparison operator, which should implement "greater than" + */ +struct ptr_heap { + void **ptrs; + int max; + int size; + int (*gt)(void *, void *); +}; + +/** + * heap_init - initialize an empty heap with a given memory size + * @heap: the heap structure to be initialized + * @size: amount of memory to use in bytes + * @gfp_mask: mask to pass to kmalloc() + * @gt: comparison operator, which should implement "greater than" + */ +extern int heap_init(struct ptr_heap *heap, size_t size, gfp_t gfp_mask, + int (*gt)(void *, void *)); + +/** + * heap_free - release a heap's storage + * @heap: the heap structure whose data should be released + */ +void heap_free(struct ptr_heap *heap); + +/** + * heap_insert - insert a value into the heap and return any overflowed value + * @heap: the heap to be operated on + * @p: the pointer to be inserted + * + * Attempts to insert the given value into the priority heap. If the + * heap is full prior to the insertion, then the resulting heap will + * consist of the smallest @max elements of the original heap and the + * new element; the greatest element will be removed from the heap and + * returned. Note that the returned element will be the new element + * (i.e. no change to the heap) if the new element is greater than all + * elements currently in the heap. + */ +extern void *heap_insert(struct ptr_heap *heap, void *p); + + + +#endif /* _LINUX_PRIO_HEAP_H */ diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 20741f668f7..1ff46167206 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -125,7 +125,8 @@ extern struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode, extern void remove_proc_entry(const char *name, struct proc_dir_entry *parent); extern struct vfsmount *proc_mnt; -extern int proc_fill_super(struct super_block *,void *,int); +struct pid_namespace; +extern int proc_fill_super(struct super_block *); extern struct inode *proc_get_inode(struct super_block *, unsigned int, struct proc_dir_entry *); /* @@ -142,6 +143,9 @@ extern const struct file_operations proc_kcore_operations; extern const struct file_operations proc_kmsg_operations; extern const struct file_operations ppc_htab_operations; +extern int pid_ns_prepare_proc(struct pid_namespace *ns); +extern void pid_ns_release_proc(struct pid_namespace *ns); + /* * proc_tty.c */ @@ -207,7 +211,9 @@ extern void proc_net_remove(struct net *net, const char *name); #define proc_net_create(net, name, mode, info) ({ (void)(mode), NULL; }) static inline void proc_net_remove(struct net *net, const char *name) {} -static inline void proc_flush_task(struct task_struct *task) { } +static inline void proc_flush_task(struct task_struct *task) +{ +} static inline struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode, struct proc_dir_entry *parent) { return NULL; } @@ -232,6 +238,15 @@ static inline void proc_tty_unregister_driver(struct tty_driver *driver) {}; extern struct proc_dir_entry proc_root; +static inline int pid_ns_prepare_proc(struct pid_namespace *ns) +{ + return 0; +} + +static inline void pid_ns_release_proc(struct pid_namespace *ns) +{ +} + #endif /* CONFIG_PROC_FS */ #if !defined(CONFIG_PROC_KCORE) diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h index 8dcf237d338..72bfccd3da2 100644 --- a/include/linux/reiserfs_fs.h +++ b/include/linux/reiserfs_fs.h @@ -85,7 +85,7 @@ void reiserfs_warning(struct super_block *s, const char *fmt, ...); if( !( cond ) ) \ reiserfs_panic( NULL, "reiserfs[%i]: assertion " scond " failed at " \ __FILE__ ":%i:%s: " format "\n", \ - in_interrupt() ? -1 : current -> pid, __LINE__ , __FUNCTION__ , ##args ) + in_interrupt() ? -1 : task_pid_nr(current), __LINE__ , __FUNCTION__ , ##args ) #define RASSERT(cond, format, args...) __RASSERT(cond, #cond, format, ##args) @@ -283,6 +283,18 @@ static inline struct reiserfs_sb_info *REISERFS_SB(const struct super_block *sb) return sb->s_fs_info; } +/* Don't trust REISERFS_SB(sb)->s_bmap_nr, it's a u16 + * which overflows on large file systems. */ +static inline u32 reiserfs_bmap_count(struct super_block *sb) +{ + return (SB_BLOCK_COUNT(sb) - 1) / (sb->s_blocksize * 8) + 1; +} + +static inline int bmap_would_wrap(unsigned bmap_nr) +{ + return bmap_nr > ((1LL << 16) - 1); +} + /** this says about version of key of all items (but stat data) the object consists of */ #define get_inode_item_key_version( inode ) \ @@ -1734,8 +1746,8 @@ int journal_end_sync(struct reiserfs_transaction_handle *, struct super_block *, int journal_mark_freed(struct reiserfs_transaction_handle *, struct super_block *, b_blocknr_t blocknr); int journal_transaction_should_end(struct reiserfs_transaction_handle *, int); -int reiserfs_in_journal(struct super_block *p_s_sb, int bmap_nr, int bit_nr, - int searchall, b_blocknr_t * next); +int reiserfs_in_journal(struct super_block *p_s_sb, unsigned int bmap_nr, + int bit_nr, int searchall, b_blocknr_t *next); int journal_begin(struct reiserfs_transaction_handle *, struct super_block *p_s_sb, unsigned long); int journal_join_abort(struct reiserfs_transaction_handle *, @@ -1743,7 +1755,7 @@ int journal_join_abort(struct reiserfs_transaction_handle *, void reiserfs_journal_abort(struct super_block *sb, int errno); void reiserfs_abort(struct super_block *sb, int errno, const char *fmt, ...); int reiserfs_allocate_list_bitmaps(struct super_block *s, - struct reiserfs_list_bitmap *, int); + struct reiserfs_list_bitmap *, unsigned int); void add_save_link(struct reiserfs_transaction_handle *th, struct inode *inode, int truncate); @@ -2041,7 +2053,7 @@ struct buffer_head *get_FEB(struct tree_balance *); * arguments, such as node, search path, transaction_handle, etc. */ struct __reiserfs_blocknr_hint { struct inode *inode; /* inode passed to allocator, if we allocate unf. nodes */ - long block; /* file offset, in blocks */ + sector_t block; /* file offset, in blocks */ struct in_core_key key; struct treepath *path; /* search path, used by allocator to deternine search_start by * various ways */ @@ -2099,7 +2111,8 @@ static inline int reiserfs_new_form_blocknrs(struct tree_balance *tb, static inline int reiserfs_new_unf_blocknrs(struct reiserfs_transaction_handle *th, struct inode *inode, b_blocknr_t * new_blocknrs, - struct treepath *path, long block) + struct treepath *path, + sector_t block) { reiserfs_blocknr_hint_t hint = { .th = th, @@ -2116,7 +2129,8 @@ static inline int reiserfs_new_unf_blocknrs(struct reiserfs_transaction_handle static inline int reiserfs_new_unf_blocknrs2(struct reiserfs_transaction_handle *th, struct inode *inode, b_blocknr_t * new_blocknrs, - struct treepath *path, long block) + struct treepath *path, + sector_t block) { reiserfs_blocknr_hint_t hint = { .th = th, diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h index ff9e9234f8b..10fa0c83201 100644 --- a/include/linux/reiserfs_fs_sb.h +++ b/include/linux/reiserfs_fs_sb.h @@ -265,9 +265,7 @@ enum journal_state_bits { typedef __u32(*hashf_t) (const signed char *, int); struct reiserfs_bitmap_info { - // FIXME: Won't work with block sizes > 8K - __u16 first_zero_hint; - __u16 free_count; + __u32 free_count; }; struct proc_dir_entry; diff --git a/include/linux/sched.h b/include/linux/sched.h index c204ab0d4df..13df99fb276 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -25,6 +25,7 @@ #define CLONE_NEWUTS 0x04000000 /* New utsname group? */ #define CLONE_NEWIPC 0x08000000 /* New ipcs */ #define CLONE_NEWUSER 0x10000000 /* New user namespace */ +#define CLONE_NEWPID 0x20000000 /* New pid namespace */ #define CLONE_NEWNET 0x40000000 /* New network namespace */ /* @@ -428,7 +429,17 @@ struct signal_struct { cputime_t it_prof_incr, it_virt_incr; /* job control IDs */ - pid_t pgrp; + + /* + * pgrp and session fields are deprecated. + * use the task_session_Xnr and task_pgrp_Xnr routines below + */ + + union { + pid_t pgrp __deprecated; + pid_t __pgrp; + }; + struct pid *tty_old_pgrp; union { @@ -569,7 +580,7 @@ struct sched_info { last_queued; /* when we were last queued to run */ #ifdef CONFIG_SCHEDSTATS /* BKL stats */ - unsigned long bkl_count; + unsigned int bkl_count; #endif }; #endif /* defined(CONFIG_SCHEDSTATS) || defined(CONFIG_TASK_DELAY_ACCT) */ @@ -705,37 +716,39 @@ struct sched_domain { #ifdef CONFIG_SCHEDSTATS /* load_balance() stats */ - unsigned long lb_count[CPU_MAX_IDLE_TYPES]; - unsigned long lb_failed[CPU_MAX_IDLE_TYPES]; - unsigned long lb_balanced[CPU_MAX_IDLE_TYPES]; - unsigned long lb_imbalance[CPU_MAX_IDLE_TYPES]; - unsigned long lb_gained[CPU_MAX_IDLE_TYPES]; - unsigned long lb_hot_gained[CPU_MAX_IDLE_TYPES]; - unsigned long lb_nobusyg[CPU_MAX_IDLE_TYPES]; - unsigned long lb_nobusyq[CPU_MAX_IDLE_TYPES]; + unsigned int lb_count[CPU_MAX_IDLE_TYPES]; + unsigned int lb_failed[CPU_MAX_IDLE_TYPES]; + unsigned int lb_balanced[CPU_MAX_IDLE_TYPES]; + unsigned int lb_imbalance[CPU_MAX_IDLE_TYPES]; + unsigned int lb_gained[CPU_MAX_IDLE_TYPES]; + unsigned int lb_hot_gained[CPU_MAX_IDLE_TYPES]; + unsigned int lb_nobusyg[CPU_MAX_IDLE_TYPES]; + unsigned int lb_nobusyq[CPU_MAX_IDLE_TYPES]; /* Active load balancing */ - unsigned long alb_count; - unsigned long alb_failed; - unsigned long alb_pushed; + unsigned int alb_count; + unsigned int alb_failed; + unsigned int alb_pushed; /* SD_BALANCE_EXEC stats */ - unsigned long sbe_count; - unsigned long sbe_balanced; - unsigned long sbe_pushed; + unsigned int sbe_count; + unsigned int sbe_balanced; + unsigned int sbe_pushed; /* SD_BALANCE_FORK stats */ - unsigned long sbf_count; - unsigned long sbf_balanced; - unsigned long sbf_pushed; + unsigned int sbf_count; + unsigned int sbf_balanced; + unsigned int sbf_pushed; /* try_to_wake_up() stats */ - unsigned long ttwu_wake_remote; - unsigned long ttwu_move_affine; - unsigned long ttwu_move_balance; + unsigned int ttwu_wake_remote; + unsigned int ttwu_move_affine; + unsigned int ttwu_move_balance; #endif }; +extern void partition_sched_domains(int ndoms_new, cpumask_t *doms_new); + #endif /* CONFIG_SMP */ /* @@ -756,8 +769,6 @@ static inline int above_background_load(void) } struct io_context; /* See blkdev.h */ -struct cpuset; - #define NGROUPS_SMALL 32 #define NGROUPS_PER_BLOCK ((int)(PAGE_SIZE / sizeof(gid_t))) struct group_info { @@ -991,7 +1002,7 @@ struct task_struct { int __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */ unsigned int rt_priority; - cputime_t utime, stime; + cputime_t utime, stime, utimescaled, stimescaled; cputime_t gtime; unsigned long nvcsw, nivcsw; /* context switch counts */ struct timespec start_time; /* monotonic time */ @@ -1110,13 +1121,6 @@ struct task_struct { unsigned long ptrace_message; siginfo_t *last_siginfo; /* For ptrace use. */ -/* - * current io wait handle: wait queue entry to use for io waits - * If this thread is processing aio, this points at the waitqueue - * inside the currently handled kiocb. It may be NULL (i.e. default - * to a stack based synchronous wait) if its doing sync IO. - */ - wait_queue_t *io_wait; #ifdef CONFIG_TASK_XACCT /* i/o counters(bytes read/written, #syscalls */ u64 rchar, wchar, syscr, syscw; @@ -1132,11 +1136,16 @@ struct task_struct { short il_next; #endif #ifdef CONFIG_CPUSETS - struct cpuset *cpuset; nodemask_t mems_allowed; int cpuset_mems_generation; int cpuset_mem_spread_rotor; #endif +#ifdef CONFIG_CGROUPS + /* Control Group info protected by css_set_lock */ + struct css_set *cgroups; + /* cg_list protected by css_set_lock and tsk->alloc_lock */ + struct list_head cg_list; +#endif #ifdef CONFIG_FUTEX struct robust_list_head __user *robust_list; #ifdef CONFIG_COMPAT @@ -1192,24 +1201,14 @@ static inline int rt_task(struct task_struct *p) return rt_prio(p->prio); } -static inline pid_t process_group(struct task_struct *tsk) -{ - return tsk->signal->pgrp; -} - -static inline pid_t signal_session(struct signal_struct *sig) +static inline void set_task_session(struct task_struct *tsk, pid_t session) { - return sig->__session; + tsk->signal->__session = session; } -static inline pid_t process_session(struct task_struct *tsk) +static inline void set_task_pgrp(struct task_struct *tsk, pid_t pgrp) { - return signal_session(tsk->signal); -} - -static inline void set_signal_session(struct signal_struct *sig, pid_t session) -{ - sig->__session = session; + tsk->signal->__pgrp = pgrp; } static inline struct pid *task_pid(struct task_struct *task) @@ -1232,6 +1231,88 @@ static inline struct pid *task_session(struct task_struct *task) return task->group_leader->pids[PIDTYPE_SID].pid; } +struct pid_namespace; + +/* + * the helpers to get the task's different pids as they are seen + * from various namespaces + * + * task_xid_nr() : global id, i.e. the id seen from the init namespace; + * task_xid_vnr() : virtual id, i.e. the id seen from the namespace the task + * belongs to. this only makes sence when called in the + * context of the task that belongs to the same namespace; + * task_xid_nr_ns() : id seen from the ns specified; + * + * set_task_vxid() : assigns a virtual id to a task; + * + * task_ppid_nr_ns() : the parent's id as seen from the namespace specified. + * the result depends on the namespace and whether the + * task in question is the namespace's init. e.g. for the + * namespace's init this will return 0 when called from + * the namespace of this init, or appropriate id otherwise. + * + * + * see also pid_nr() etc in include/linux/pid.h + */ + +static inline pid_t task_pid_nr(struct task_struct *tsk) +{ + return tsk->pid; +} + +pid_t task_pid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns); + +static inline pid_t task_pid_vnr(struct task_struct *tsk) +{ + return pid_vnr(task_pid(tsk)); +} + + +static inline pid_t task_tgid_nr(struct task_struct *tsk) +{ + return tsk->tgid; +} + +pid_t task_tgid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns); + +static inline pid_t task_tgid_vnr(struct task_struct *tsk) +{ + return pid_vnr(task_tgid(tsk)); +} + + +static inline pid_t task_pgrp_nr(struct task_struct *tsk) +{ + return tsk->signal->__pgrp; +} + +pid_t task_pgrp_nr_ns(struct task_struct *tsk, struct pid_namespace *ns); + +static inline pid_t task_pgrp_vnr(struct task_struct *tsk) +{ + return pid_vnr(task_pgrp(tsk)); +} + + +static inline pid_t task_session_nr(struct task_struct *tsk) +{ + return tsk->signal->__session; +} + +pid_t task_session_nr_ns(struct task_struct *tsk, struct pid_namespace *ns); + +static inline pid_t task_session_vnr(struct task_struct *tsk) +{ + return pid_vnr(task_session(tsk)); +} + + +static inline pid_t task_ppid_nr_ns(struct task_struct *tsk, + struct pid_namespace *ns) +{ + return pid_nr_ns(task_pid(rcu_dereference(tsk->real_parent)), ns); +} + /** * pid_alive - check that a task structure is not stale * @p: Task structure to be checked. @@ -1246,16 +1327,22 @@ static inline int pid_alive(struct task_struct *p) } /** - * is_init - check if a task structure is init + * is_global_init - check if a task structure is init * @tsk: Task structure to be checked. * * Check if a task structure is the first user space task the kernel created. */ -static inline int is_init(struct task_struct *tsk) +static inline int is_global_init(struct task_struct *tsk) { return tsk->pid == 1; } +/* + * is_container_init: + * check whether in the task is init in its own pid namespace. + */ +extern int is_container_init(struct task_struct *tsk); + extern struct pid *cad_pid; extern void free_task(struct task_struct *tsk); @@ -1427,8 +1514,32 @@ extern struct task_struct init_task; extern struct mm_struct init_mm; -#define find_task_by_pid(nr) find_task_by_pid_type(PIDTYPE_PID, nr) -extern struct task_struct *find_task_by_pid_type(int type, int pid); +extern struct pid_namespace init_pid_ns; + +/* + * find a task by one of its numerical ids + * + * find_task_by_pid_type_ns(): + * it is the most generic call - it finds a task by all id, + * type and namespace specified + * find_task_by_pid_ns(): + * finds a task by its pid in the specified namespace + * find_task_by_vpid(): + * finds a task by its virtual pid + * find_task_by_pid(): + * finds a task by its global pid + * + * see also find_pid() etc in include/linux/pid.h + */ + +extern struct task_struct *find_task_by_pid_type_ns(int type, int pid, + struct pid_namespace *ns); + +extern struct task_struct *find_task_by_pid(pid_t nr); +extern struct task_struct *find_task_by_vpid(pid_t nr); +extern struct task_struct *find_task_by_pid_ns(pid_t nr, + struct pid_namespace *ns); + extern void __set_special_pids(pid_t session, pid_t pgrp); /* per-UID process charging. */ @@ -1615,6 +1726,12 @@ static inline int has_group_leader_pid(struct task_struct *p) return p->pid == p->tgid; } +static inline +int same_thread_group(struct task_struct *p1, struct task_struct *p2) +{ + return p1->tgid == p2->tgid; +} + static inline struct task_struct *next_thread(const struct task_struct *p) { return list_entry(rcu_dereference(p->thread_group.next), @@ -1632,7 +1749,8 @@ static inline int thread_group_empty(struct task_struct *p) /* * Protects ->fs, ->files, ->mm, ->group_info, ->comm, keyring * subscriptions and synchronises with wait4(). Also used in procfs. Also - * pins the final release of task.io_context. Also protects ->cpuset. + * pins the final release of task.io_context. Also protects ->cpuset and + * ->cgroup.subsys[]. * * Nests both inside and outside of read_lock(&tasklist_lock). * It must not be nested with write_lock_irq(&tasklist_lock), diff --git a/include/linux/security.h b/include/linux/security.h index 9b0b63c50f4..ff3f857f695 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -34,6 +34,13 @@ #include <linux/xfrm.h> #include <net/flow.h> +/* + * Bounding set + */ +extern kernel_cap_t cap_bset; + +extern unsigned securebits; + struct ctl_table; /* diff --git a/include/linux/sem.h b/include/linux/sem.h index 9aaffb0b1d8..c8eaad9e4b7 100644 --- a/include/linux/sem.h +++ b/include/linux/sem.h @@ -90,7 +90,6 @@ struct sem { /* One sem_array data structure for each set of semaphores in the system. */ struct sem_array { struct kern_ipc_perm sem_perm; /* permissions .. see ipc.h */ - int sem_id; time_t sem_otime; /* last semop time */ time_t sem_ctime; /* last change time */ struct sem *sem_base; /* ptr to first semaphore in array */ diff --git a/include/linux/shm.h b/include/linux/shm.h index bea65d9c93e..eeaed921a1d 100644 --- a/include/linux/shm.h +++ b/include/linux/shm.h @@ -79,7 +79,6 @@ struct shmid_kernel /* private to the kernel */ { struct kern_ipc_perm shm_perm; struct file * shm_file; - int id; unsigned long shm_nattch; unsigned long shm_segsz; time_t shm_atim; diff --git a/include/linux/suspend.h b/include/linux/suspend.h index 388cace9751..4360e081695 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -1,5 +1,5 @@ -#ifndef _LINUX_SWSUSP_H -#define _LINUX_SWSUSP_H +#ifndef _LINUX_SUSPEND_H +#define _LINUX_SUSPEND_H #if defined(CONFIG_X86) || defined(CONFIG_FRV) || defined(CONFIG_PPC32) || defined(CONFIG_PPC64) #include <asm/suspend.h> @@ -9,6 +9,108 @@ #include <linux/init.h> #include <linux/pm.h> #include <linux/mm.h> +#include <asm/errno.h> + +#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE) +extern int pm_prepare_console(void); +extern void pm_restore_console(void); +#else +static inline int pm_prepare_console(void) { return 0; } +static inline void pm_restore_console(void) {} +#endif + +typedef int __bitwise suspend_state_t; + +#define PM_SUSPEND_ON ((__force suspend_state_t) 0) +#define PM_SUSPEND_STANDBY ((__force suspend_state_t) 1) +#define PM_SUSPEND_MEM ((__force suspend_state_t) 3) +#define PM_SUSPEND_MAX ((__force suspend_state_t) 4) + +/** + * struct platform_suspend_ops - Callbacks for managing platform dependent + * system sleep states. + * + * @valid: Callback to determine if given system sleep state is supported by + * the platform. + * Valid (ie. supported) states are advertised in /sys/power/state. Note + * that it still may be impossible to enter given system sleep state if the + * conditions aren't right. + * There is the %suspend_valid_only_mem function available that can be + * assigned to this if the platform only supports mem sleep. + * + * @set_target: Tell the platform which system sleep state is going to be + * entered. + * @set_target() is executed right prior to suspending devices. The + * information conveyed to the platform code by @set_target() should be + * disregarded by the platform as soon as @finish() is executed and if + * @prepare() fails. If @set_target() fails (ie. returns nonzero), + * @prepare(), @enter() and @finish() will not be called by the PM core. + * This callback is optional. However, if it is implemented, the argument + * passed to @enter() is meaningless and should be ignored. + * + * @prepare: Prepare the platform for entering the system sleep state indicated + * by @set_target(). + * @prepare() is called right after devices have been suspended (ie. the + * appropriate .suspend() method has been executed for each device) and + * before the nonboot CPUs are disabled (it is executed with IRQs enabled). + * This callback is optional. It returns 0 on success or a negative + * error code otherwise, in which case the system cannot enter the desired + * sleep state (@enter() and @finish() will not be called in that case). + * + * @enter: Enter the system sleep state indicated by @set_target() or + * represented by the argument if @set_target() is not implemented. + * This callback is mandatory. It returns 0 on success or a negative + * error code otherwise, in which case the system cannot enter the desired + * sleep state. + * + * @finish: Called when the system has just left a sleep state, right after + * the nonboot CPUs have been enabled and before devices are resumed (it is + * executed with IRQs enabled). + * This callback is optional, but should be implemented by the platforms + * that implement @prepare(). If implemented, it is always called after + * @enter() (even if @enter() fails). + */ +struct platform_suspend_ops { + int (*valid)(suspend_state_t state); + int (*set_target)(suspend_state_t state); + int (*prepare)(void); + int (*enter)(suspend_state_t state); + void (*finish)(void); +}; + +#ifdef CONFIG_SUSPEND +/** + * suspend_set_ops - set platform dependent suspend operations + * @ops: The new suspend operations to set. + */ +extern void suspend_set_ops(struct platform_suspend_ops *ops); +extern int suspend_valid_only_mem(suspend_state_t state); + +/** + * arch_suspend_disable_irqs - disable IRQs for suspend + * + * Disables IRQs (in the default case). This is a weak symbol in the common + * code and thus allows architectures to override it if more needs to be + * done. Not called for suspend to disk. + */ +extern void arch_suspend_disable_irqs(void); + +/** + * arch_suspend_enable_irqs - enable IRQs after suspend + * + * Enables IRQs (in the default case). This is a weak symbol in the common + * code and thus allows architectures to override it if more needs to be + * done. Not called for suspend to disk. + */ +extern void arch_suspend_enable_irqs(void); + +extern int pm_suspend(suspend_state_t state); +#else /* !CONFIG_SUSPEND */ +#define suspend_valid_only_mem NULL + +static inline void suspend_set_ops(struct platform_suspend_ops *ops) {} +static inline int pm_suspend(suspend_state_t state) { return -ENOSYS; } +#endif /* !CONFIG_SUSPEND */ /* struct pbe is used for creating lists of pages that should be restored * atomically during the resume from disk, because the page frames they have @@ -24,32 +126,57 @@ struct pbe { extern void drain_local_pages(void); extern void mark_free_pages(struct zone *zone); -#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_VT) && defined(CONFIG_VT_CONSOLE) -extern int pm_prepare_console(void); -extern void pm_restore_console(void); -#else -static inline int pm_prepare_console(void) { return 0; } -static inline void pm_restore_console(void) {} -#endif - /** - * struct hibernation_ops - hibernation platform support + * struct platform_hibernation_ops - hibernation platform support * * The methods in this structure allow a platform to override the default * mechanism of shutting down the machine during a hibernation transition. * * All three methods must be assigned. * - * @prepare: prepare system for hibernation - * @enter: shut down system after state has been saved to disk - * @finish: finish/clean up after state has been reloaded - * @pre_restore: prepare system for the restoration from a hibernation image - * @restore_cleanup: clean up after a failing image restoration + * @start: Tell the platform driver that we're starting hibernation. + * Called right after shrinking memory and before freezing devices. + * + * @pre_snapshot: Prepare the platform for creating the hibernation image. + * Called right after devices have been frozen and before the nonboot + * CPUs are disabled (runs with IRQs on). + * + * @finish: Restore the previous state of the platform after the hibernation + * image has been created *or* put the platform into the normal operation + * mode after the hibernation (the same method is executed in both cases). + * Called right after the nonboot CPUs have been enabled and before + * thawing devices (runs with IRQs on). + * + * @prepare: Prepare the platform for entering the low power state. + * Called right after the hibernation image has been saved and before + * devices are prepared for entering the low power state. + * + * @enter: Put the system into the low power state after the hibernation image + * has been saved to disk. + * Called after the nonboot CPUs have been disabled and all of the low + * level devices have been shut down (runs with IRQs off). + * + * @leave: Perform the first stage of the cleanup after the system sleep state + * indicated by @set_target() has been left. + * Called right after the control has been passed from the boot kernel to + * the image kernel, before the nonboot CPUs are enabled and before devices + * are resumed. Executed with interrupts disabled. + * + * @pre_restore: Prepare system for the restoration from a hibernation image. + * Called right after devices have been frozen and before the nonboot + * CPUs are disabled (runs with IRQs on). + * + * @restore_cleanup: Clean up after a failing image restoration. + * Called right after the nonboot CPUs have been enabled and before + * thawing devices (runs with IRQs on). */ -struct hibernation_ops { +struct platform_hibernation_ops { + int (*start)(void); + int (*pre_snapshot)(void); + void (*finish)(void); int (*prepare)(void); int (*enter)(void); - void (*finish)(void); + void (*leave)(void); int (*pre_restore)(void); void (*restore_cleanup)(void); }; @@ -70,14 +197,14 @@ extern void swsusp_set_page_free(struct page *); extern void swsusp_unset_page_free(struct page *); extern unsigned long get_safe_page(gfp_t gfp_mask); -extern void hibernation_set_ops(struct hibernation_ops *ops); +extern void hibernation_set_ops(struct platform_hibernation_ops *ops); extern int hibernate(void); #else /* CONFIG_HIBERNATION */ static inline int swsusp_page_is_forbidden(struct page *p) { return 0; } static inline void swsusp_set_page_free(struct page *p) {} static inline void swsusp_unset_page_free(struct page *p) {} -static inline void hibernation_set_ops(struct hibernation_ops *ops) {} +static inline void hibernation_set_ops(struct platform_hibernation_ops *ops) {} static inline int hibernate(void) { return -ENOSYS; } #endif /* CONFIG_HIBERNATION */ @@ -130,4 +257,4 @@ static inline void register_nosave_region_late(unsigned long b, unsigned long e) } #endif -#endif /* _LINUX_SWSUSP_H */ +#endif /* _LINUX_SUSPEND_H */ diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 483050c924c..e99171f01b4 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -238,6 +238,7 @@ enum NET_LLC=18, NET_NETFILTER=19, NET_DCCP=20, + NET_IRDA=412, }; /* /proc/sys/kernel/random */ @@ -795,6 +796,25 @@ enum { NET_BRIDGE_NF_FILTER_PPPOE_TAGGED = 5, }; +/* proc/sys/net/irda */ +enum { + NET_IRDA_DISCOVERY=1, + NET_IRDA_DEVNAME=2, + NET_IRDA_DEBUG=3, + NET_IRDA_FAST_POLL=4, + NET_IRDA_DISCOVERY_SLOTS=5, + NET_IRDA_DISCOVERY_TIMEOUT=6, + NET_IRDA_SLOT_TIMEOUT=7, + NET_IRDA_MAX_BAUD_RATE=8, + NET_IRDA_MIN_TX_TURN_TIME=9, + NET_IRDA_MAX_TX_DATA_SIZE=10, + NET_IRDA_MAX_TX_WINDOW=11, + NET_IRDA_MAX_NOREPLY_TIME=12, + NET_IRDA_WARN_NOREPLY_TIME=13, + NET_IRDA_LAP_KEEPALIVE_TIME=14, +}; + + /* CTL_FS names: */ enum { @@ -937,41 +957,42 @@ extern int sysctl_perm(struct ctl_table *table, int op); typedef struct ctl_table ctl_table; -typedef int ctl_handler (ctl_table *table, int __user *name, int nlen, +typedef int ctl_handler (struct ctl_table *table, int __user *name, int nlen, void __user *oldval, size_t __user *oldlenp, void __user *newval, size_t newlen); -typedef int proc_handler (ctl_table *ctl, int write, struct file * filp, +typedef int proc_handler (struct ctl_table *ctl, int write, struct file * filp, void __user *buffer, size_t *lenp, loff_t *ppos); -extern int proc_dostring(ctl_table *, int, struct file *, +extern int proc_dostring(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *); -extern int proc_dointvec(ctl_table *, int, struct file *, +extern int proc_dointvec(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *); -extern int proc_dointvec_bset(ctl_table *, int, struct file *, +extern int proc_dointvec_bset(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *); -extern int proc_dointvec_minmax(ctl_table *, int, struct file *, +extern int proc_dointvec_minmax(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *); -extern int proc_dointvec_jiffies(ctl_table *, int, struct file *, +extern int proc_dointvec_jiffies(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *); -extern int proc_dointvec_userhz_jiffies(ctl_table *, int, struct file *, +extern int proc_dointvec_userhz_jiffies(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *); -extern int proc_dointvec_ms_jiffies(ctl_table *, int, struct file *, +extern int proc_dointvec_ms_jiffies(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *); -extern int proc_doulongvec_minmax(ctl_table *, int, struct file *, +extern int proc_doulongvec_minmax(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *); -extern int proc_doulongvec_ms_jiffies_minmax(ctl_table *table, int, +extern int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int, struct file *, void __user *, size_t *, loff_t *); extern int do_sysctl (int __user *name, int nlen, void __user *oldval, size_t __user *oldlenp, void __user *newval, size_t newlen); -extern int do_sysctl_strategy (ctl_table *table, +extern int do_sysctl_strategy (struct ctl_table *table, int __user *name, int nlen, void __user *oldval, size_t __user *oldlenp, void __user *newval, size_t newlen); +extern ctl_handler sysctl_data; extern ctl_handler sysctl_string; extern ctl_handler sysctl_intvec; extern ctl_handler sysctl_jiffies; @@ -980,7 +1001,7 @@ extern ctl_handler sysctl_ms_jiffies; /* * Register a set of sysctl names by calling register_sysctl_table - * with an initialised array of ctl_table's. An entry with zero + * with an initialised array of struct ctl_table's. An entry with zero * ctl_name and NULL procname terminates the table. table->de will be * set up by the registration and need not be initialised in advance. * @@ -1026,8 +1047,8 @@ struct ctl_table void *data; int maxlen; mode_t mode; - ctl_table *child; - ctl_table *parent; /* Automatically set */ + struct ctl_table *child; + struct ctl_table *parent; /* Automatically set */ proc_handler *proc_handler; /* Callback for text formatting */ ctl_handler *strategy; /* Callback function for all r/w */ void *extra1; @@ -1035,18 +1056,19 @@ struct ctl_table }; /* struct ctl_table_header is used to maintain dynamic lists of - ctl_table trees. */ + struct ctl_table trees. */ struct ctl_table_header { - ctl_table *ctl_table; + struct ctl_table *ctl_table; struct list_head ctl_entry; int used; struct completion *unregistering; }; -struct ctl_table_header * register_sysctl_table(ctl_table * table); +struct ctl_table_header *register_sysctl_table(struct ctl_table * table); void unregister_sysctl_table(struct ctl_table_header * table); +int sysctl_check_table(struct ctl_table *table); #else /* __KERNEL__ */ diff --git a/include/linux/taskstats.h b/include/linux/taskstats.h index dce1ed20497..5d69c0744ff 100644 --- a/include/linux/taskstats.h +++ b/include/linux/taskstats.h @@ -31,7 +31,7 @@ */ -#define TASKSTATS_VERSION 5 +#define TASKSTATS_VERSION 6 #define TS_COMM_LEN 32 /* should be >= TASK_COMM_LEN * in linux/sched.h */ @@ -152,6 +152,11 @@ struct taskstats { __u64 nvcsw; /* voluntary_ctxt_switches */ __u64 nivcsw; /* nonvoluntary_ctxt_switches */ + + /* time accounting for SMT machines */ + __u64 ac_utimescaled; /* utime scaled on frequency etc */ + __u64 ac_stimescaled; /* stime scaled on frequency etc */ + __u64 cpu_scaled_run_real_total; /* scaled cpu_run_real_total */ }; diff --git a/include/linux/tick.h b/include/linux/tick.h index 9a7252e089b..f4a1395e05f 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -40,6 +40,7 @@ enum tick_nohz_mode { * @idle_sleeps: Number of idle calls, where the sched tick was stopped * @idle_entrytime: Time when the idle call was entered * @idle_sleeptime: Sum of the time slept in idle with sched tick stopped + * @sleep_length: Duration of the current idle sleep */ struct tick_sched { struct hrtimer sched_timer; @@ -52,6 +53,7 @@ struct tick_sched { unsigned long idle_sleeps; ktime_t idle_entrytime; ktime_t idle_sleeptime; + ktime_t sleep_length; unsigned long last_jiffies; unsigned long next_jiffies; ktime_t idle_expires; @@ -100,10 +102,17 @@ static inline int tick_check_oneshot_change(int allow_nohz) { return 0; } extern void tick_nohz_stop_sched_tick(void); extern void tick_nohz_restart_sched_tick(void); extern void tick_nohz_update_jiffies(void); +extern ktime_t tick_nohz_get_sleep_length(void); # else static inline void tick_nohz_stop_sched_tick(void) { } static inline void tick_nohz_restart_sched_tick(void) { } static inline void tick_nohz_update_jiffies(void) { } +static inline ktime_t tick_nohz_get_sleep_length(void) +{ + ktime_t len = { .tv64 = NSEC_PER_SEC/HZ }; + + return len; +} # endif /* !NO_HZ */ #endif diff --git a/include/linux/types.h b/include/linux/types.h index 0351bf2fac8..4f0dad21c91 100644 --- a/include/linux/types.h +++ b/include/linux/types.h @@ -3,12 +3,9 @@ #ifdef __KERNEL__ -#define BITS_TO_LONGS(bits) \ - (((bits)+BITS_PER_LONG-1)/BITS_PER_LONG) #define DECLARE_BITMAP(name,bits) \ unsigned long name[BITS_TO_LONGS(bits)] -#define BITS_PER_BYTE 8 #endif #include <linux/posix_types.h> diff --git a/include/linux/uinput.h b/include/linux/uinput.h index a6c1e8eed22..15ddd4483b0 100644 --- a/include/linux/uinput.h +++ b/include/linux/uinput.h @@ -162,10 +162,6 @@ struct uinput_ff_erase { #define UI_FF_UPLOAD 1 #define UI_FF_ERASE 2 -#ifndef NBITS -#define NBITS(x) ((((x)-1)/(sizeof(long)*8))+1) -#endif /* NBITS */ - #define UINPUT_MAX_NAME_SIZE 80 struct uinput_user_dev { char name[UINPUT_MAX_NAME_SIZE]; diff --git a/include/linux/vt.h b/include/linux/vt.h index ba806e8711b..02c1c028877 100644 --- a/include/linux/vt.h +++ b/include/linux/vt.h @@ -1,6 +1,18 @@ #ifndef _LINUX_VT_H #define _LINUX_VT_H +#ifdef __KERNEL__ +struct notifier_block; + +struct vt_notifier_param { + struct vc_data *vc; /* VC on which the update happened */ + unsigned int c; /* Printed char */ +}; + +extern int register_vt_notifier(struct notifier_block *nb); +extern int unregister_vt_notifier(struct notifier_block *nb); +#endif + /* * These constants are also useful for user-level apps (e.g., VC * resizing). diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index ce6badc98f6..7daafdc2514 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -8,6 +8,7 @@ #include <linux/timer.h> #include <linux/linkage.h> #include <linux/bitops.h> +#include <linux/lockdep.h> #include <asm/atomic.h> struct workqueue_struct; @@ -28,6 +29,9 @@ struct work_struct { #define WORK_STRUCT_WQ_DATA_MASK (~WORK_STRUCT_FLAG_MASK) struct list_head entry; work_func_t func; +#ifdef CONFIG_LOCKDEP + struct lockdep_map lockdep_map; +#endif }; #define WORK_DATA_INIT() ATOMIC_LONG_INIT(0) @@ -41,10 +45,23 @@ struct execute_work { struct work_struct work; }; +#ifdef CONFIG_LOCKDEP +/* + * NB: because we have to copy the lockdep_map, setting _key + * here is required, otherwise it could get initialised to the + * copy of the lockdep_map! + */ +#define __WORK_INIT_LOCKDEP_MAP(n, k) \ + .lockdep_map = STATIC_LOCKDEP_MAP_INIT(n, k), +#else +#define __WORK_INIT_LOCKDEP_MAP(n, k) +#endif + #define __WORK_INITIALIZER(n, f) { \ .data = WORK_DATA_INIT(), \ .entry = { &(n).entry, &(n).entry }, \ .func = (f), \ + __WORK_INIT_LOCKDEP_MAP(#n, &(n)) \ } #define __DELAYED_WORK_INITIALIZER(n, f) { \ @@ -76,12 +93,24 @@ struct execute_work { * assignment of the work data initializer allows the compiler * to generate better code. */ +#ifdef CONFIG_LOCKDEP +#define INIT_WORK(_work, _func) \ + do { \ + static struct lock_class_key __key; \ + \ + (_work)->data = (atomic_long_t) WORK_DATA_INIT(); \ + lockdep_init_map(&(_work)->lockdep_map, #_work, &__key, 0);\ + INIT_LIST_HEAD(&(_work)->entry); \ + PREPARE_WORK((_work), (_func)); \ + } while (0) +#else #define INIT_WORK(_work, _func) \ do { \ (_work)->data = (atomic_long_t) WORK_DATA_INIT(); \ INIT_LIST_HEAD(&(_work)->entry); \ PREPARE_WORK((_work), (_func)); \ } while (0) +#endif #define INIT_DELAYED_WORK(_work, _func) \ do { \ @@ -118,9 +147,23 @@ struct execute_work { clear_bit(WORK_STRUCT_PENDING, work_data_bits(work)) -extern struct workqueue_struct *__create_workqueue(const char *name, - int singlethread, - int freezeable); +extern struct workqueue_struct * +__create_workqueue_key(const char *name, int singlethread, + int freezeable, struct lock_class_key *key); + +#ifdef CONFIG_LOCKDEP +#define __create_workqueue(name, singlethread, freezeable) \ +({ \ + static struct lock_class_key __key; \ + \ + __create_workqueue_key((name), (singlethread), \ + (freezeable), &__key); \ +}) +#else +#define __create_workqueue(name, singlethread, freezeable) \ + __create_workqueue_key((name), (singlethread), (freezeable), NULL) +#endif + #define create_workqueue(name) __create_workqueue((name), 0, 0) #define create_freezeable_workqueue(name) __create_workqueue((name), 1, 1) #define create_singlethread_workqueue(name) __create_workqueue((name), 1, 0) diff --git a/include/net/9p/9p.h b/include/net/9p/9p.h index 686425a97b0..625346c47ee 100644 --- a/include/net/9p/9p.h +++ b/include/net/9p/9p.h @@ -44,7 +44,7 @@ extern unsigned int p9_debug_level; do { \ if ((p9_debug_level & level) == level) \ printk(KERN_NOTICE "-- %s (%d): " \ - format , __FUNCTION__, current->pid , ## arg); \ + format , __FUNCTION__, task_pid_nr(current) , ## arg); \ } while (0) #define PRINT_FCALL_ERROR(s, fcall) P9_DPRINTK(P9_DEBUG_ERROR, \ @@ -59,7 +59,7 @@ do { \ #define P9_EPRINTK(level, format, arg...) \ do { \ printk(level "9p: %s (%d): " \ - format , __FUNCTION__, current->pid , ## arg); \ + format , __FUNCTION__, task_pid_nr(current), ## arg); \ } while (0) diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h index 911c2cd0294..954def40897 100644 --- a/include/net/inet_frag.h +++ b/include/net/inet_frag.h @@ -39,8 +39,13 @@ struct inet_frags { struct inet_frags_ctl *ctl; unsigned int (*hashfn)(struct inet_frag_queue *); + void (*constructor)(struct inet_frag_queue *q, + void *arg); void (*destructor)(struct inet_frag_queue *); void (*skb_free)(struct sk_buff *); + int (*match)(struct inet_frag_queue *q, + void *arg); + void (*frag_expire)(unsigned long data); }; void inet_frags_init(struct inet_frags *); @@ -50,6 +55,8 @@ void inet_frag_kill(struct inet_frag_queue *q, struct inet_frags *f); void inet_frag_destroy(struct inet_frag_queue *q, struct inet_frags *f, int *work); int inet_frag_evictor(struct inet_frags *f); +struct inet_frag_queue *inet_frag_find(struct inet_frags *f, void *key, + unsigned int hash); static inline void inet_frag_put(struct inet_frag_queue *q, struct inet_frags *f) { diff --git a/include/net/ipv6.h b/include/net/ipv6.h index cc796cbc1b2..ae328b680ff 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -377,6 +377,17 @@ static inline int ipv6_prefix_equal(const struct in6_addr *a1, prefixlen); } +struct inet_frag_queue; + +struct ip6_create_arg { + __be32 id; + struct in6_addr *src; + struct in6_addr *dst; +}; + +void ip6_frag_init(struct inet_frag_queue *q, void *a); +int ip6_frag_match(struct inet_frag_queue *q, void *a); + static inline int ipv6_addr_any(const struct in6_addr *a) { return ((a->s6_addr32[0] | a->s6_addr32[1] | diff --git a/include/net/scm.h b/include/net/scm.h index 423cb1d5ac2..06df126103c 100644 --- a/include/net/scm.h +++ b/include/net/scm.h @@ -4,6 +4,8 @@ #include <linux/limits.h> #include <linux/net.h> #include <linux/security.h> +#include <linux/pid.h> +#include <linux/nsproxy.h> /* Well, we should have at least one descriptor open * to accept passed FDs 8) @@ -54,7 +56,7 @@ static __inline__ int scm_send(struct socket *sock, struct msghdr *msg, struct task_struct *p = current; scm->creds.uid = p->uid; scm->creds.gid = p->gid; - scm->creds.pid = p->tgid; + scm->creds.pid = task_tgid_vnr(p); scm->fp = NULL; scm->seq = 0; unix_get_peersec_dgram(sock, scm); diff --git a/include/net/sock.h b/include/net/sock.h index 453c79d0915..43fc3fa50d6 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -905,16 +905,6 @@ static inline int sk_filter(struct sock *sk, struct sk_buff *skb) } /** - * sk_filter_rcu_free: Free a socket filter - * @rcu: rcu_head that contains the sk_filter to free - */ -static inline void sk_filter_rcu_free(struct rcu_head *rcu) -{ - struct sk_filter *fp = container_of(rcu, struct sk_filter, rcu); - kfree(fp); -} - -/** * sk_filter_release: Release a socket filter * @sk: socket * @fp: filter to remove @@ -922,14 +912,18 @@ static inline void sk_filter_rcu_free(struct rcu_head *rcu) * Remove a filter from a socket and release its resources. */ -static inline void sk_filter_release(struct sock *sk, struct sk_filter *fp) +static inline void sk_filter_release(struct sk_filter *fp) +{ + if (atomic_dec_and_test(&fp->refcnt)) + kfree(fp); +} + +static inline void sk_filter_uncharge(struct sock *sk, struct sk_filter *fp) { unsigned int size = sk_filter_len(fp); atomic_sub(size, &sk->sk_omem_alloc); - - if (atomic_dec_and_test(&fp->refcnt)) - call_rcu_bh(&fp->rcu, sk_filter_rcu_free); + sk_filter_release(fp); } static inline void sk_filter_charge(struct sock *sk, struct sk_filter *fp) diff --git a/include/net/xfrm.h b/include/net/xfrm.h index 0e844845f3f..688f6f5d328 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -186,7 +186,8 @@ struct xfrm_state /* Reference to data common to all the instances of this * transformer. */ struct xfrm_type *type; - struct xfrm_mode *mode; + struct xfrm_mode *inner_mode; + struct xfrm_mode *outer_mode; /* Security context */ struct xfrm_sec_ctx *security; @@ -228,8 +229,6 @@ struct xfrm_type; struct xfrm_dst; struct xfrm_policy_afinfo { unsigned short family; - struct xfrm_type *type_map[IPPROTO_MAX]; - struct xfrm_mode *mode_map[XFRM_MODE_MAX]; struct dst_ops *dst_ops; void (*garbage_collect)(void); int (*dst_lookup)(struct xfrm_dst **dst, struct flowi *fl); @@ -255,7 +254,10 @@ extern void km_state_expired(struct xfrm_state *x, int hard, u32 pid); extern int __xfrm_state_delete(struct xfrm_state *x); struct xfrm_state_afinfo { - unsigned short family; + unsigned int family; + struct module *owner; + struct xfrm_type *type_map[IPPROTO_MAX]; + struct xfrm_mode *mode_map[XFRM_MODE_MAX]; int (*init_flags)(struct xfrm_state *x); void (*init_tempsel)(struct xfrm_state *x, struct flowi *fl, struct xfrm_tmpl *tmpl, @@ -267,8 +269,6 @@ struct xfrm_state_afinfo { extern int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo); extern int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo); -extern struct xfrm_state_afinfo *xfrm_state_get_afinfo(unsigned short family); -extern void xfrm_state_put_afinfo(struct xfrm_state_afinfo *afinfo); extern void xfrm_state_delete_tunnel(struct xfrm_state *x); @@ -295,8 +295,6 @@ struct xfrm_type extern int xfrm_register_type(struct xfrm_type *type, unsigned short family); extern int xfrm_unregister_type(struct xfrm_type *type, unsigned short family); -extern struct xfrm_type *xfrm_get_type(u8 proto, unsigned short family); -extern void xfrm_put_type(struct xfrm_type *type); struct xfrm_mode { int (*input)(struct xfrm_state *x, struct sk_buff *skb); @@ -314,14 +312,19 @@ struct xfrm_mode { */ int (*output)(struct xfrm_state *x,struct sk_buff *skb); + struct xfrm_state_afinfo *afinfo; struct module *owner; unsigned int encap; + int flags; +}; + +/* Flags for xfrm_mode. */ +enum { + XFRM_MODE_FLAG_TUNNEL = 1, }; extern int xfrm_register_mode(struct xfrm_mode *mode, int family); extern int xfrm_unregister_mode(struct xfrm_mode *mode, int family); -extern struct xfrm_mode *xfrm_get_mode(unsigned int encap, int family); -extern void xfrm_put_mode(struct xfrm_mode *mode); struct xfrm_tmpl { @@ -1046,11 +1049,19 @@ extern void xfrm_replay_notify(struct xfrm_state *x, int event); extern int xfrm_state_mtu(struct xfrm_state *x, int mtu); extern int xfrm_init_state(struct xfrm_state *x); extern int xfrm_output(struct sk_buff *skb); +extern int xfrm4_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi, + int encap_type); extern int xfrm4_rcv(struct sk_buff *skb); + +static inline int xfrm4_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi) +{ + return xfrm4_rcv_encap(skb, nexthdr, spi, 0); +} + extern int xfrm4_output(struct sk_buff *skb); extern int xfrm4_tunnel_register(struct xfrm_tunnel *handler, unsigned short family); extern int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short family); -extern int xfrm6_rcv_spi(struct sk_buff *skb, __be32 spi); +extern int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi); extern int xfrm6_rcv(struct sk_buff *skb); extern int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto); diff --git a/include/video/sstfb.h b/include/video/sstfb.h index baa163f770a..b52f0738124 100644 --- a/include/video/sstfb.h +++ b/include/video/sstfb.h @@ -68,7 +68,6 @@ # define print_var(X,Y...) #endif -#define BIT(x) (1ul<<(x)) #define POW2(x) (1ul<<(x)) /* diff --git a/include/video/tdfx.h b/include/video/tdfx.h index 05b63c2a5ab..7431d9681e5 100644 --- a/include/video/tdfx.h +++ b/include/video/tdfx.h @@ -79,8 +79,6 @@ /* register bitfields (not all, only as needed) */ -#define BIT(x) (1UL << (x)) - /* COMMAND_2D reg. values */ #define TDFX_ROP_COPY 0xcc /* src */ #define TDFX_ROP_INVERT 0x55 /* NOT dst */ |