diff options
Diffstat (limited to 'include')
148 files changed, 2013 insertions, 651 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 0b54e9a4a8a..6dca3d54208 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -269,7 +269,7 @@ struct acpi_device_wakeup_state { struct acpi_device_wakeup { acpi_handle gpe_device; - acpi_integer gpe_number;; + acpi_integer gpe_number; acpi_integer sleep_state; struct acpi_handle_list resources; struct acpi_device_wakeup_state state; @@ -330,6 +330,7 @@ int acpi_bus_register_driver(struct acpi_driver *driver); int acpi_bus_unregister_driver(struct acpi_driver *driver); int acpi_bus_add(struct acpi_device **child, struct acpi_device *parent, acpi_handle handle, int type); +int acpi_bus_trim(struct acpi_device *start, int rmdevice); int acpi_bus_start(struct acpi_device *device); int acpi_match_ids(struct acpi_device *device, char *ids); diff --git a/include/asm-alpha/io.h b/include/asm-alpha/io.h index 871dd7ad909..3ebbeee753e 100644 --- a/include/asm-alpha/io.h +++ b/include/asm-alpha/io.h @@ -534,9 +534,6 @@ extern void outsl (unsigned long port, const void *src, unsigned long count); #define eth_io_copy_and_sum(skb,src,len,unused) \ memcpy_fromio((skb)->data,src,len) -#define isa_eth_io_copy_and_sum(skb,src,len,unused) \ - isa_memcpy_fromio((skb)->data,src,len) - static inline int check_signature(const volatile void __iomem *io_addr, const unsigned char *signature, int length) @@ -550,87 +547,6 @@ check_signature(const volatile void __iomem *io_addr, return 1; } - -/* - * ISA space is mapped to some machine-specific location on Alpha. - * Call into the existing hooks to get the address translated. - */ - -static inline u8 -isa_readb(unsigned long offset) -{ - void __iomem *addr = ioremap(offset, 1); - u8 ret = readb(addr); - iounmap(addr); - return ret; -} - -static inline u16 -isa_readw(unsigned long offset) -{ - void __iomem *addr = ioremap(offset, 2); - u16 ret = readw(addr); - iounmap(addr); - return ret; -} - -static inline u32 -isa_readl(unsigned long offset) -{ - void __iomem *addr = ioremap(offset, 2); - u32 ret = readl(addr); - iounmap(addr); - return ret; -} - -static inline void -isa_writeb(u8 b, unsigned long offset) -{ - void __iomem *addr = ioremap(offset, 2); - writeb(b, addr); - iounmap(addr); -} - -static inline void -isa_writew(u16 w, unsigned long offset) -{ - void __iomem *addr = ioremap(offset, 2); - writew(w, addr); - iounmap(addr); -} - -static inline void -isa_writel(u32 l, unsigned long offset) -{ - void __iomem *addr = ioremap(offset, 2); - writel(l, addr); - iounmap(addr); -} - -static inline void -isa_memset_io(unsigned long offset, u8 val, long n) -{ - void __iomem *addr = ioremap(offset, n); - memset_io(addr, val, n); - iounmap(addr); -} - -static inline void -isa_memcpy_fromio(void *dest, unsigned long offset, long n) -{ - void __iomem *addr = ioremap(offset, n); - memcpy_fromio(dest, addr, n); - iounmap(addr); -} - -static inline void -isa_memcpy_toio(unsigned long offset, const void *src, long n) -{ - void __iomem *addr = ioremap(offset, n); - memcpy_toio(addr, src, n); - iounmap(addr); -} - /* * The Alpha Jensen hardware for some rather strange reason puts * the RTC clock at 0x170 instead of 0x70. Probably due to some diff --git a/include/asm-alpha/mmu_context.h b/include/asm-alpha/mmu_context.h index 6f92482cc96..0c017fc181c 100644 --- a/include/asm-alpha/mmu_context.h +++ b/include/asm-alpha/mmu_context.h @@ -231,9 +231,8 @@ init_new_context(struct task_struct *tsk, struct mm_struct *mm) { int i; - for (i = 0; i < NR_CPUS; i++) - if (cpu_online(i)) - mm->context[i] = 0; + for_each_online_cpu(i) + mm->context[i] = 0; if (tsk != current) task_thread_info(tsk)->pcb.ptbr = ((unsigned long)mm->pgd - IDENT_ADDR) >> PAGE_SHIFT; diff --git a/include/asm-alpha/topology.h b/include/asm-alpha/topology.h index eb740e280d9..420ccde6b91 100644 --- a/include/asm-alpha/topology.h +++ b/include/asm-alpha/topology.h @@ -27,8 +27,8 @@ static inline cpumask_t node_to_cpumask(int node) cpumask_t node_cpu_mask = CPU_MASK_NONE; int cpu; - for(cpu = 0; cpu < NR_CPUS; cpu++) { - if (cpu_online(cpu) && (cpu_to_node(cpu) == node)) + for_each_online_cpu(cpu) { + if (cpu_to_node(cpu) == node) cpu_set(cpu, node_cpu_mask); } diff --git a/include/asm-arm/io.h b/include/asm-arm/io.h index fd0147e52db..b3479fc1cc8 100644 --- a/include/asm-arm/io.h +++ b/include/asm-arm/io.h @@ -226,42 +226,6 @@ out: #endif /* __mem_pci */ /* - * If this architecture has ISA IO, then define the isa_read/isa_write - * macros. - */ -#ifdef __mem_isa - -#define isa_readb(addr) __raw_readb(__mem_isa(addr)) -#define isa_readw(addr) __raw_readw(__mem_isa(addr)) -#define isa_readl(addr) __raw_readl(__mem_isa(addr)) -#define isa_writeb(val,addr) __raw_writeb(val,__mem_isa(addr)) -#define isa_writew(val,addr) __raw_writew(val,__mem_isa(addr)) -#define isa_writel(val,addr) __raw_writel(val,__mem_isa(addr)) -#define isa_memset_io(a,b,c) _memset_io(__mem_isa(a),(b),(c)) -#define isa_memcpy_fromio(a,b,c) _memcpy_fromio((a),__mem_isa(b),(c)) -#define isa_memcpy_toio(a,b,c) _memcpy_toio(__mem_isa((a)),(b),(c)) - -#define isa_eth_io_copy_and_sum(a,b,c,d) \ - eth_copy_and_sum((a),__mem_isa(b),(c),(d)) - -#else /* __mem_isa */ - -#define isa_readb(addr) (__readwrite_bug("isa_readb"),0) -#define isa_readw(addr) (__readwrite_bug("isa_readw"),0) -#define isa_readl(addr) (__readwrite_bug("isa_readl"),0) -#define isa_writeb(val,addr) __readwrite_bug("isa_writeb") -#define isa_writew(val,addr) __readwrite_bug("isa_writew") -#define isa_writel(val,addr) __readwrite_bug("isa_writel") -#define isa_memset_io(a,b,c) __readwrite_bug("isa_memset_io") -#define isa_memcpy_fromio(a,b,c) __readwrite_bug("isa_memcpy_fromio") -#define isa_memcpy_toio(a,b,c) __readwrite_bug("isa_memcpy_toio") - -#define isa_eth_io_copy_and_sum(a,b,c,d) \ - __readwrite_bug("isa_eth_io_copy_and_sum") - -#endif /* __mem_isa */ - -/* * ioremap and friends. * * ioremap takes a PCI memory address, as specified in diff --git a/include/asm-cris/system.h b/include/asm-cris/system.h index d48670107a8..1d63c2aa8ec 100644 --- a/include/asm-cris/system.h +++ b/include/asm-cris/system.h @@ -71,4 +71,6 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz #define arch_align_stack(x) (x) +void default_idle(void); + #endif diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h index 400c2b41896..1a565a9d2fa 100644 --- a/include/asm-generic/bug.h +++ b/include/asm-generic/bug.h @@ -7,7 +7,7 @@ #ifdef CONFIG_BUG #ifndef HAVE_ARCH_BUG #define BUG() do { \ - printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \ + printk("BUG: failure at %s:%d/%s()!\n", __FILE__, __LINE__, __FUNCTION__); \ panic("BUG!"); \ } while (0) #endif @@ -19,7 +19,7 @@ #ifndef HAVE_ARCH_WARN_ON #define WARN_ON(condition) do { \ if (unlikely((condition)!=0)) { \ - printk("Badness in %s at %s:%d\n", __FUNCTION__, __FILE__, __LINE__); \ + printk("BUG: warning at %s:%d/%s()\n", __FILE__, __LINE__, __FUNCTION__); \ dump_stack(); \ } \ } while (0) diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h index 9044aeb3782..78cf45547e3 100644 --- a/include/asm-generic/percpu.h +++ b/include/asm-generic/percpu.h @@ -19,10 +19,9 @@ extern unsigned long __per_cpu_offset[NR_CPUS]; #define percpu_modcopy(pcpudst, src, size) \ do { \ unsigned int __i; \ - for (__i = 0; __i < NR_CPUS; __i++) \ - if (cpu_possible(__i)) \ - memcpy((pcpudst)+__per_cpu_offset[__i], \ - (src), (size)); \ + for_each_cpu(__i) \ + memcpy((pcpudst)+__per_cpu_offset[__i], \ + (src), (size)); \ } while (0) #else /* ! SMP */ diff --git a/include/asm-i386/alternative.h b/include/asm-i386/alternative.h new file mode 100644 index 00000000000..e201decea0c --- /dev/null +++ b/include/asm-i386/alternative.h @@ -0,0 +1,129 @@ +#ifndef _I386_ALTERNATIVE_H +#define _I386_ALTERNATIVE_H + +#ifdef __KERNEL__ + +struct alt_instr { + u8 *instr; /* original instruction */ + u8 *replacement; + u8 cpuid; /* cpuid bit set for replacement */ + u8 instrlen; /* length of original instruction */ + u8 replacementlen; /* length of new instruction, <= instrlen */ + u8 pad; +}; + +extern void apply_alternatives(struct alt_instr *start, struct alt_instr *end); + +struct module; +extern void alternatives_smp_module_add(struct module *mod, char *name, + void *locks, void *locks_end, + void *text, void *text_end); +extern void alternatives_smp_module_del(struct module *mod); +extern void alternatives_smp_switch(int smp); + +#endif + +/* + * Alternative instructions for different CPU types or capabilities. + * + * This allows to use optimized instructions even on generic binary + * kernels. + * + * length of oldinstr must be longer or equal the length of newinstr + * It can be padded with nops as needed. + * + * For non barrier like inlines please define new variants + * without volatile and memory clobber. + */ +#define alternative(oldinstr, newinstr, feature) \ + asm volatile ("661:\n\t" oldinstr "\n662:\n" \ + ".section .altinstructions,\"a\"\n" \ + " .align 4\n" \ + " .long 661b\n" /* label */ \ + " .long 663f\n" /* new instruction */ \ + " .byte %c0\n" /* feature bit */ \ + " .byte 662b-661b\n" /* sourcelen */ \ + " .byte 664f-663f\n" /* replacementlen */ \ + ".previous\n" \ + ".section .altinstr_replacement,\"ax\"\n" \ + "663:\n\t" newinstr "\n664:\n" /* replacement */\ + ".previous" :: "i" (feature) : "memory") + +/* + * Alternative inline assembly with input. + * + * Pecularities: + * No memory clobber here. + * Argument numbers start with 1. + * Best is to use constraints that are fixed size (like (%1) ... "r") + * If you use variable sized constraints like "m" or "g" in the + * replacement maake sure to pad to the worst case length. + */ +#define alternative_input(oldinstr, newinstr, feature, input...) \ + asm volatile ("661:\n\t" oldinstr "\n662:\n" \ + ".section .altinstructions,\"a\"\n" \ + " .align 4\n" \ + " .long 661b\n" /* label */ \ + " .long 663f\n" /* new instruction */ \ + " .byte %c0\n" /* feature bit */ \ + " .byte 662b-661b\n" /* sourcelen */ \ + " .byte 664f-663f\n" /* replacementlen */ \ + ".previous\n" \ + ".section .altinstr_replacement,\"ax\"\n" \ + "663:\n\t" newinstr "\n664:\n" /* replacement */\ + ".previous" :: "i" (feature), ##input) + +/* + * Alternative inline assembly for SMP. + * + * alternative_smp() takes two versions (SMP first, UP second) and is + * for more complex stuff such as spinlocks. + * + * The LOCK_PREFIX macro defined here replaces the LOCK and + * LOCK_PREFIX macros used everywhere in the source tree. + * + * SMP alternatives use the same data structures as the other + * alternatives and the X86_FEATURE_UP flag to indicate the case of a + * UP system running a SMP kernel. The existing apply_alternatives() + * works fine for patching a SMP kernel for UP. + * + * The SMP alternative tables can be kept after boot and contain both + * UP and SMP versions of the instructions to allow switching back to + * SMP at runtime, when hotplugging in a new CPU, which is especially + * useful in virtualized environments. + * + * The very common lock prefix is handled as special case in a + * separate table which is a pure address list without replacement ptr + * and size information. That keeps the table sizes small. + */ + +#ifdef CONFIG_SMP +#define alternative_smp(smpinstr, upinstr, args...) \ + asm volatile ("661:\n\t" smpinstr "\n662:\n" \ + ".section .smp_altinstructions,\"a\"\n" \ + " .align 4\n" \ + " .long 661b\n" /* label */ \ + " .long 663f\n" /* new instruction */ \ + " .byte 0x68\n" /* X86_FEATURE_UP */ \ + " .byte 662b-661b\n" /* sourcelen */ \ + " .byte 664f-663f\n" /* replacementlen */ \ + ".previous\n" \ + ".section .smp_altinstr_replacement,\"awx\"\n" \ + "663:\n\t" upinstr "\n" /* replacement */ \ + "664:\n\t.fill 662b-661b,1,0x42\n" /* space for original */ \ + ".previous" : args) + +#define LOCK_PREFIX \ + ".section .smp_locks,\"a\"\n" \ + " .align 4\n" \ + " .long 661f\n" /* address */ \ + ".previous\n" \ + "661:\n\tlock; " + +#else /* ! CONFIG_SMP */ +#define alternative_smp(smpinstr, upinstr, args...) \ + asm volatile (upinstr : args) +#define LOCK_PREFIX "" +#endif + +#endif /* _I386_ALTERNATIVE_H */ diff --git a/include/asm-i386/arch_hooks.h b/include/asm-i386/arch_hooks.h index 28b96a6fb9f..238cf4275b9 100644 --- a/include/asm-i386/arch_hooks.h +++ b/include/asm-i386/arch_hooks.h @@ -24,4 +24,7 @@ extern void trap_init_hook(void); extern void time_init_hook(void); extern void mca_nmi_hook(void); +extern int setup_early_printk(char *); +extern void early_printk(const char *fmt, ...) __attribute__((format(printf,1,2))); + #endif diff --git a/include/asm-i386/atomic.h b/include/asm-i386/atomic.h index de649d3aa2d..22d80ece95c 100644 --- a/include/asm-i386/atomic.h +++ b/include/asm-i386/atomic.h @@ -10,12 +10,6 @@ * resource counting etc.. */ -#ifdef CONFIG_SMP -#define LOCK "lock ; " -#else -#define LOCK "" -#endif - /* * Make sure gcc doesn't try to be clever and move things around * on us. We need to use _exactly_ the address the user gave us, @@ -52,7 +46,7 @@ typedef struct { volatile int counter; } atomic_t; static __inline__ void atomic_add(int i, atomic_t *v) { __asm__ __volatile__( - LOCK "addl %1,%0" + LOCK_PREFIX "addl %1,%0" :"=m" (v->counter) :"ir" (i), "m" (v->counter)); } @@ -67,7 +61,7 @@ static __inline__ void atomic_add(int i, atomic_t *v) static __inline__ void atomic_sub(int i, atomic_t *v) { __asm__ __volatile__( - LOCK "subl %1,%0" + LOCK_PREFIX "subl %1,%0" :"=m" (v->counter) :"ir" (i), "m" (v->counter)); } @@ -86,7 +80,7 @@ static __inline__ int atomic_sub_and_test(int i, atomic_t *v) unsigned char c; __asm__ __volatile__( - LOCK "subl %2,%0; sete %1" + LOCK_PREFIX "subl %2,%0; sete %1" :"=m" (v->counter), "=qm" (c) :"ir" (i), "m" (v->counter) : "memory"); return c; @@ -101,7 +95,7 @@ static __inline__ int atomic_sub_and_test(int i, atomic_t *v) static __inline__ void atomic_inc(atomic_t *v) { __asm__ __volatile__( - LOCK "incl %0" + LOCK_PREFIX "incl %0" :"=m" (v->counter) :"m" (v->counter)); } @@ -115,7 +109,7 @@ static __inline__ void atomic_inc(atomic_t *v) static __inline__ void atomic_dec(atomic_t *v) { __asm__ __volatile__( - LOCK "decl %0" + LOCK_PREFIX "decl %0" :"=m" (v->counter) :"m" (v->counter)); } @@ -133,7 +127,7 @@ static __inline__ int atomic_dec_and_test(atomic_t *v) unsigned char c; __asm__ __volatile__( - LOCK "decl %0; sete %1" + LOCK_PREFIX "decl %0; sete %1" :"=m" (v->counter), "=qm" (c) :"m" (v->counter) : "memory"); return c != 0; @@ -152,7 +146,7 @@ static __inline__ int atomic_inc_and_test(atomic_t *v) unsigned char c; __asm__ __volatile__( - LOCK "incl %0; sete %1" + LOCK_PREFIX "incl %0; sete %1" :"=m" (v->counter), "=qm" (c) :"m" (v->counter) : "memory"); return c != 0; @@ -172,7 +166,7 @@ static __inline__ int atomic_add_negative(int i, atomic_t *v) unsigned char c; __asm__ __volatile__( - LOCK "addl %2,%0; sets %1" + LOCK_PREFIX "addl %2,%0; sets %1" :"=m" (v->counter), "=qm" (c) :"ir" (i), "m" (v->counter) : "memory"); return c; @@ -195,7 +189,7 @@ static __inline__ int atomic_add_return(int i, atomic_t *v) /* Modern 486+ processor */ __i = i; __asm__ __volatile__( - LOCK "xaddl %0, %1;" + LOCK_PREFIX "xaddl %0, %1;" :"=r"(i) :"m"(v->counter), "0"(i)); return i + __i; @@ -231,8 +225,14 @@ static __inline__ int atomic_sub_return(int i, atomic_t *v) ({ \ int c, old; \ c = atomic_read(v); \ - while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ + for (;;) { \ + if (unlikely(c == (u))) \ + break; \ + old = atomic_cmpxchg((v), c, c + (a)); \ + if (likely(old == c)) \ + break; \ c = old; \ + } \ c != (u); \ }) #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) @@ -242,11 +242,11 @@ static __inline__ int atomic_sub_return(int i, atomic_t *v) /* These are x86-specific, used by some header files */ #define atomic_clear_mask(mask, addr) \ -__asm__ __volatile__(LOCK "andl %0,%1" \ +__asm__ __volatile__(LOCK_PREFIX "andl %0,%1" \ : : "r" (~(mask)),"m" (*addr) : "memory") #define atomic_set_mask(mask, addr) \ -__asm__ __volatile__(LOCK "orl %0,%1" \ +__asm__ __volatile__(LOCK_PREFIX "orl %0,%1" \ : : "r" (mask),"m" (*(addr)) : "memory") /* Atomic operations are already serializing on x86 */ diff --git a/include/asm-i386/bitops.h b/include/asm-i386/bitops.h index 88e6ca248cd..7d20b95edb3 100644 --- a/include/asm-i386/bitops.h +++ b/include/asm-i386/bitops.h @@ -7,6 +7,7 @@ #include <linux/config.h> #include <linux/compiler.h> +#include <asm/alternative.h> /* * These have to be done with inline assembly: that way the bit-setting @@ -16,12 +17,6 @@ * bit 0 is the LSB of addr; bit 32 is the LSB of (addr+1). */ -#ifdef CONFIG_SMP -#define LOCK_PREFIX "lock ; " -#else -#define LOCK_PREFIX "" -#endif - #define ADDR (*(volatile long *) addr) /** diff --git a/include/asm-i386/cache.h b/include/asm-i386/cache.h index 615911e5bd2..ca15c9c665c 100644 --- a/include/asm-i386/cache.h +++ b/include/asm-i386/cache.h @@ -10,4 +10,6 @@ #define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) +#define __read_mostly __attribute__((__section__(".data.read_mostly"))) + #endif diff --git a/include/asm-i386/cpufeature.h b/include/asm-i386/cpufeature.h index c4ec2a4d8fd..5c0b5876b93 100644 --- a/include/asm-i386/cpufeature.h +++ b/include/asm-i386/cpufeature.h @@ -70,6 +70,7 @@ #define X86_FEATURE_P3 (3*32+ 6) /* P3 */ #define X86_FEATURE_P4 (3*32+ 7) /* P4 */ #define X86_FEATURE_CONSTANT_TSC (3*32+ 8) /* TSC ticks at a constant rate */ +#define X86_FEATURE_UP (3*32+ 9) /* smp kernel running on up */ /* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */ #define X86_FEATURE_XMM3 (4*32+ 0) /* Streaming SIMD Extensions-3 */ diff --git a/include/asm-i386/io.h b/include/asm-i386/io.h index 03233c2ab82..79670bb4b0c 100644 --- a/include/asm-i386/io.h +++ b/include/asm-i386/io.h @@ -219,23 +219,11 @@ static inline void memcpy_toio(volatile void __iomem *dst, const void *src, int */ #define __ISA_IO_base ((char __iomem *)(PAGE_OFFSET)) -#define isa_readb(a) readb(__ISA_IO_base + (a)) -#define isa_readw(a) readw(__ISA_IO_base + (a)) -#define isa_readl(a) readl(__ISA_IO_base + (a)) -#define isa_writeb(b,a) writeb(b,__ISA_IO_base + (a)) -#define isa_writew(w,a) writew(w,__ISA_IO_base + (a)) -#define isa_writel(l,a) writel(l,__ISA_IO_base + (a)) -#define isa_memset_io(a,b,c) memset_io(__ISA_IO_base + (a),(b),(c)) -#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a),__ISA_IO_base + (b),(c)) -#define isa_memcpy_toio(a,b,c) memcpy_toio(__ISA_IO_base + (a),(b),(c)) - - /* * Again, i386 does not require mem IO specific function. */ #define eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(void __force *)(b),(c),(d)) -#define isa_eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(void __force *)(__ISA_IO_base + (b)),(c),(d)) /** * check_signature - find BIOS signatures diff --git a/include/asm-i386/mach-default/do_timer.h b/include/asm-i386/mach-default/do_timer.h index 56211414fc9..6312c3e7981 100644 --- a/include/asm-i386/mach-default/do_timer.h +++ b/include/asm-i386/mach-default/do_timer.h @@ -18,7 +18,7 @@ static inline void do_timer_interrupt_hook(struct pt_regs *regs) { do_timer(regs); #ifndef CONFIG_SMP - update_process_times(user_mode(regs)); + update_process_times(user_mode_vm(regs)); #endif /* * In the SMP case we use the local APIC timer interrupt to do the diff --git a/include/asm-i386/mach-es7000/mach_mpparse.h b/include/asm-i386/mach-es7000/mach_mpparse.h index 4a0637a3e20..99f66be240b 100644 --- a/include/asm-i386/mach-es7000/mach_mpparse.h +++ b/include/asm-i386/mach-es7000/mach_mpparse.h @@ -30,7 +30,8 @@ static inline int mps_oem_check(struct mp_config_table *mpc, char *oem, return 0; } -static inline int es7000_check_dsdt() +#ifdef CONFIG_ACPI +static inline int es7000_check_dsdt(void) { struct acpi_table_header *header = NULL; if(!acpi_get_table_header_early(ACPI_DSDT, &header)) @@ -54,6 +55,11 @@ static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) } return 0; } - +#else +static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) +{ + return 0; +} +#endif #endif /* __ASM_MACH_MPPARSE_H */ diff --git a/include/asm-i386/mach-visws/do_timer.h b/include/asm-i386/mach-visws/do_timer.h index 92d638fc8b1..95568e6ca91 100644 --- a/include/asm-i386/mach-visws/do_timer.h +++ b/include/asm-i386/mach-visws/do_timer.h @@ -11,7 +11,7 @@ static inline void do_timer_interrupt_hook(struct pt_regs *regs) do_timer(regs); #ifndef CONFIG_SMP - update_process_times(user_mode(regs)); + update_process_times(user_mode_vm(regs)); #endif /* * In the SMP case we use the local APIC timer interrupt to do the diff --git a/include/asm-i386/mach-voyager/do_timer.h b/include/asm-i386/mach-voyager/do_timer.h index ae510e5d0d7..eaf51809898 100644 --- a/include/asm-i386/mach-voyager/do_timer.h +++ b/include/asm-i386/mach-voyager/do_timer.h @@ -5,7 +5,7 @@ static inline void do_timer_interrupt_hook(struct pt_regs *regs) { do_timer(regs); #ifndef CONFIG_SMP - update_process_times(user_mode(regs)); + update_process_times(user_mode_vm(regs)); #endif voyager_timer_interrupt(regs); diff --git a/include/asm-i386/mpspec.h b/include/asm-i386/mpspec.h index 64a0b8e6afe..62113d3bfdc 100644 --- a/include/asm-i386/mpspec.h +++ b/include/asm-i386/mpspec.h @@ -22,7 +22,6 @@ extern int mp_bus_id_to_type [MAX_MP_BUSSES]; extern int mp_irq_entries; extern struct mpc_config_intsrc mp_irqs [MAX_IRQ_SOURCES]; extern int mpc_default_type; -extern int mp_bus_id_to_pci_bus [MAX_MP_BUSSES]; extern unsigned long mp_lapic_addr; extern int pic_mode; extern int using_apic_timer; diff --git a/include/asm-i386/mtrr.h b/include/asm-i386/mtrr.h index 5b6ceda68c5..64cf937c7e3 100644 --- a/include/asm-i386/mtrr.h +++ b/include/asm-i386/mtrr.h @@ -25,6 +25,7 @@ #include <linux/config.h> #include <linux/ioctl.h> +#include <linux/errno.h> #define MTRR_IOCTL_BASE 'M' diff --git a/include/asm-i386/mutex.h b/include/asm-i386/mutex.h index 9b2199e829f..05a53853122 100644 --- a/include/asm-i386/mutex.h +++ b/include/asm-i386/mutex.h @@ -9,6 +9,8 @@ #ifndef _ASM_MUTEX_H #define _ASM_MUTEX_H +#include "asm/alternative.h" + /** * __mutex_fastpath_lock - try to take the lock by moving the count * from 1 to a 0 value @@ -27,7 +29,7 @@ do { \ typecheck_fn(fastcall void (*)(atomic_t *), fail_fn); \ \ __asm__ __volatile__( \ - LOCK " decl (%%eax) \n" \ + LOCK_PREFIX " decl (%%eax) \n" \ " js 2f \n" \ "1: \n" \ \ @@ -83,7 +85,7 @@ do { \ typecheck_fn(fastcall void (*)(atomic_t *), fail_fn); \ \ __asm__ __volatile__( \ - LOCK " incl (%%eax) \n" \ + LOCK_PREFIX " incl (%%eax) \n" \ " jle 2f \n" \ "1: \n" \ \ diff --git a/include/asm-i386/pgtable-2level.h b/include/asm-i386/pgtable-2level.h index 74ef721b534..27bde973abc 100644 --- a/include/asm-i386/pgtable-2level.h +++ b/include/asm-i386/pgtable-2level.h @@ -61,4 +61,6 @@ static inline int pte_exec_kernel(pte_t pte) #define __pte_to_swp_entry(pte) ((swp_entry_t) { (pte).pte_low }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) +void vmalloc_sync_all(void); + #endif /* _I386_PGTABLE_2LEVEL_H */ diff --git a/include/asm-i386/pgtable-3level.h b/include/asm-i386/pgtable-3level.h index f1a8b454920..36a5aa63cbb 100644 --- a/include/asm-i386/pgtable-3level.h +++ b/include/asm-i386/pgtable-3level.h @@ -152,4 +152,6 @@ static inline pmd_t pfn_pmd(unsigned long page_nr, pgprot_t pgprot) #define __pmd_free_tlb(tlb, x) do { } while (0) +#define vmalloc_sync_all() ((void)0) + #endif /* _I386_PGTABLE_3LEVEL_H */ diff --git a/include/asm-i386/rwlock.h b/include/asm-i386/rwlock.h index b57cc7afdf7..94f00195d54 100644 --- a/include/asm-i386/rwlock.h +++ b/include/asm-i386/rwlock.h @@ -21,21 +21,23 @@ #define RW_LOCK_BIAS_STR "0x01000000" #define __build_read_lock_ptr(rw, helper) \ - asm volatile(LOCK "subl $1,(%0)\n\t" \ - "jns 1f\n" \ - "call " helper "\n\t" \ - "1:\n" \ - ::"a" (rw) : "memory") + alternative_smp("lock; subl $1,(%0)\n\t" \ + "jns 1f\n" \ + "call " helper "\n\t" \ + "1:\n", \ + "subl $1,(%0)\n\t", \ + :"a" (rw) : "memory") #define __build_read_lock_const(rw, helper) \ - asm volatile(LOCK "subl $1,%0\n\t" \ - "jns 1f\n" \ - "pushl %%eax\n\t" \ - "leal %0,%%eax\n\t" \ - "call " helper "\n\t" \ - "popl %%eax\n\t" \ - "1:\n" \ - :"=m" (*(volatile int *)rw) : : "memory") + alternative_smp("lock; subl $1,%0\n\t" \ + "jns 1f\n" \ + "pushl %%eax\n\t" \ + "leal %0,%%eax\n\t" \ + "call " helper "\n\t" \ + "popl %%eax\n\t" \ + "1:\n", \ + "subl $1,%0\n\t", \ + "=m" (*(volatile int *)rw) : : "memory") #define __build_read_lock(rw, helper) do { \ if (__builtin_constant_p(rw)) \ @@ -45,21 +47,23 @@ } while (0) #define __build_write_lock_ptr(rw, helper) \ - asm volatile(LOCK "subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \ - "jz 1f\n" \ - "call " helper "\n\t" \ - "1:\n" \ - ::"a" (rw) : "memory") + alternative_smp("lock; subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \ + "jz 1f\n" \ + "call " helper "\n\t" \ + "1:\n", \ + "subl $" RW_LOCK_BIAS_STR ",(%0)\n\t", \ + :"a" (rw) : "memory") #define __build_write_lock_const(rw, helper) \ - asm volatile(LOCK "subl $" RW_LOCK_BIAS_STR ",%0\n\t" \ - "jz 1f\n" \ - "pushl %%eax\n\t" \ - "leal %0,%%eax\n\t" \ - "call " helper "\n\t" \ - "popl %%eax\n\t" \ - "1:\n" \ - :"=m" (*(volatile int *)rw) : : "memory") + alternative_smp("lock; subl $" RW_LOCK_BIAS_STR ",%0\n\t" \ + "jz 1f\n" \ + "pushl %%eax\n\t" \ + "leal %0,%%eax\n\t" \ + "call " helper "\n\t" \ + "popl %%eax\n\t" \ + "1:\n", \ + "subl $" RW_LOCK_BIAS_STR ",%0\n\t", \ + "=m" (*(volatile int *)rw) : : "memory") #define __build_write_lock(rw, helper) do { \ if (__builtin_constant_p(rw)) \ diff --git a/include/asm-i386/semaphore.h b/include/asm-i386/semaphore.h index 6a42b2142fd..f7a0f310c52 100644 --- a/include/asm-i386/semaphore.h +++ b/include/asm-i386/semaphore.h @@ -99,7 +99,7 @@ static inline void down(struct semaphore * sem) might_sleep(); __asm__ __volatile__( "# atomic down operation\n\t" - LOCK "decl %0\n\t" /* --sem->count */ + LOCK_PREFIX "decl %0\n\t" /* --sem->count */ "js 2f\n" "1:\n" LOCK_SECTION_START("") @@ -123,7 +123,7 @@ static inline int down_interruptible(struct semaphore * sem) might_sleep(); __asm__ __volatile__( "# atomic interruptible down operation\n\t" - LOCK "decl %1\n\t" /* --sem->count */ + LOCK_PREFIX "decl %1\n\t" /* --sem->count */ "js 2f\n\t" "xorl %0,%0\n" "1:\n" @@ -148,7 +148,7 @@ static inline int down_trylock(struct semaphore * sem) __asm__ __volatile__( "# atomic interruptible down operation\n\t" - LOCK "decl %1\n\t" /* --sem->count */ + LOCK_PREFIX "decl %1\n\t" /* --sem->count */ "js 2f\n\t" "xorl %0,%0\n" "1:\n" @@ -173,7 +173,7 @@ static inline void up(struct semaphore * sem) { __asm__ __volatile__( "# atomic up operation\n\t" - LOCK "incl %0\n\t" /* ++sem->count */ + LOCK_PREFIX "incl %0\n\t" /* ++sem->count */ "jle 2f\n" "1:\n" LOCK_SECTION_START("") diff --git a/include/asm-i386/spinlock.h b/include/asm-i386/spinlock.h index 23604350cdf..d76b7693cf1 100644 --- a/include/asm-i386/spinlock.h +++ b/include/asm-i386/spinlock.h @@ -35,31 +35,41 @@ #define __raw_spin_lock_string_flags \ "\n1:\t" \ "lock ; decb %0\n\t" \ - "jns 4f\n\t" \ + "jns 5f\n" \ "2:\t" \ "testl $0x200, %1\n\t" \ - "jz 3f\n\t" \ - "sti\n\t" \ + "jz 4f\n\t" \ + "sti\n" \ "3:\t" \ "rep;nop\n\t" \ "cmpb $0, %0\n\t" \ "jle 3b\n\t" \ "cli\n\t" \ "jmp 1b\n" \ - "4:\n\t" + "4:\t" \ + "rep;nop\n\t" \ + "cmpb $0, %0\n\t" \ + "jg 1b\n\t" \ + "jmp 4b\n" \ + "5:\n\t" + +#define __raw_spin_lock_string_up \ + "\n\tdecb %0" static inline void __raw_spin_lock(raw_spinlock_t *lock) { - __asm__ __volatile__( - __raw_spin_lock_string - :"=m" (lock->slock) : : "memory"); + alternative_smp( + __raw_spin_lock_string, + __raw_spin_lock_string_up, + "=m" (lock->slock) : : "memory"); } static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags) { - __asm__ __volatile__( - __raw_spin_lock_string_flags - :"=m" (lock->slock) : "r" (flags) : "memory"); + alternative_smp( + __raw_spin_lock_string_flags, + __raw_spin_lock_string_up, + "=m" (lock->slock) : "r" (flags) : "memory"); } static inline int __raw_spin_trylock(raw_spinlock_t *lock) @@ -178,12 +188,12 @@ static inline int __raw_write_trylock(raw_rwlock_t *lock) static inline void __raw_read_unlock(raw_rwlock_t *rw) { - asm volatile("lock ; incl %0" :"=m" (rw->lock) : : "memory"); + asm volatile(LOCK_PREFIX "incl %0" :"=m" (rw->lock) : : "memory"); } static inline void __raw_write_unlock(raw_rwlock_t *rw) { - asm volatile("lock ; addl $" RW_LOCK_BIAS_STR ", %0" + asm volatile(LOCK_PREFIX "addl $" RW_LOCK_BIAS_STR ", %0" : "=m" (rw->lock) : : "memory"); } diff --git a/include/asm-i386/system.h b/include/asm-i386/system.h index 399145a247f..19cc79c9a35 100644 --- a/include/asm-i386/system.h +++ b/include/asm-i386/system.h @@ -352,67 +352,6 @@ static inline unsigned long long __cmpxchg64(volatile void *ptr, unsigned long l #endif -#ifdef __KERNEL__ -struct alt_instr { - __u8 *instr; /* original instruction */ - __u8 *replacement; - __u8 cpuid; /* cpuid bit set for replacement */ - __u8 instrlen; /* length of original instruction */ - __u8 replacementlen; /* length of new instruction, <= instrlen */ - __u8 pad; -}; -#endif - -/* - * Alternative instructions for different CPU types or capabilities. - * - * This allows to use optimized instructions even on generic binary - * kernels. - * - * length of oldinstr must be longer or equal the length of newinstr - * It can be padded with nops as needed. - * - * For non barrier like inlines please define new variants - * without volatile and memory clobber. - */ -#define alternative(oldinstr, newinstr, feature) \ - asm volatile ("661:\n\t" oldinstr "\n662:\n" \ - ".section .altinstructions,\"a\"\n" \ - " .align 4\n" \ - " .long 661b\n" /* label */ \ - " .long 663f\n" /* new instruction */ \ - " .byte %c0\n" /* feature bit */ \ - " .byte 662b-661b\n" /* sourcelen */ \ - " .byte 664f-663f\n" /* replacementlen */ \ - ".previous\n" \ - ".section .altinstr_replacement,\"ax\"\n" \ - "663:\n\t" newinstr "\n664:\n" /* replacement */ \ - ".previous" :: "i" (feature) : "memory") - -/* - * Alternative inline assembly with input. - * - * Pecularities: - * No memory clobber here. - * Argument numbers start with 1. - * Best is to use constraints that are fixed size (like (%1) ... "r") - * If you use variable sized constraints like "m" or "g" in the - * replacement maake sure to pad to the worst case length. - */ -#define alternative_input(oldinstr, newinstr, feature, input...) \ - asm volatile ("661:\n\t" oldinstr "\n662:\n" \ - ".section .altinstructions,\"a\"\n" \ - " .align 4\n" \ - " .long 661b\n" /* label */ \ - " .long 663f\n" /* new instruction */ \ - " .byte %c0\n" /* feature bit */ \ - " .byte 662b-661b\n" /* sourcelen */ \ - " .byte 664f-663f\n" /* replacementlen */ \ - ".previous\n" \ - ".section .altinstr_replacement,\"ax\"\n" \ - "663:\n\t" newinstr "\n664:\n" /* replacement */ \ - ".previous" :: "i" (feature), ##input) - /* * Force strict CPU ordering. * And yes, this is required on UP too when we're talking @@ -558,5 +497,8 @@ static inline void sched_cacheflush(void) } extern unsigned long arch_align_stack(unsigned long sp); +extern void free_init_pages(char *what, unsigned long begin, unsigned long end); + +void default_idle(void); #endif diff --git a/include/asm-i386/uaccess.h b/include/asm-i386/uaccess.h index 3f1337c3420..371457b1ceb 100644 --- a/include/asm-i386/uaccess.h +++ b/include/asm-i386/uaccess.h @@ -197,13 +197,15 @@ extern void __put_user_8(void); #define put_user(x,ptr) \ ({ int __ret_pu; \ + __typeof__(*(ptr)) __pu_val; \ __chk_user_ptr(ptr); \ + __pu_val = x; \ switch(sizeof(*(ptr))) { \ - case 1: __put_user_1(x, ptr); break; \ - case 2: __put_user_2(x, ptr); break; \ - case 4: __put_user_4(x, ptr); break; \ - case 8: __put_user_8(x, ptr); break; \ - default:__put_user_X(x, ptr); break; \ + case 1: __put_user_1(__pu_val, ptr); break; \ + case 2: __put_user_2(__pu_val, ptr); break; \ + case 4: __put_user_4(__pu_val, ptr); break; \ + case 8: __put_user_8(__pu_val, ptr); break; \ + default:__put_user_X(__pu_val, ptr); break; \ } \ __ret_pu; \ }) diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h index dc81a55dd94..d8afd0e3b81 100644 --- a/include/asm-i386/unistd.h +++ b/include/asm-i386/unistd.h @@ -347,9 +347,9 @@ __syscall_return(type,__res); \ type name(type1 arg1) \ { \ long __res; \ -__asm__ volatile ("int $0x80" \ +__asm__ volatile ("push %%ebx ; movl %2,%%ebx ; int $0x80 ; pop %%ebx" \ : "=a" (__res) \ - : "0" (__NR_##name),"b" ((long)(arg1)) : "memory"); \ + : "0" (__NR_##name),"ri" ((long)(arg1)) : "memory"); \ __syscall_return(type,__res); \ } @@ -357,9 +357,10 @@ __syscall_return(type,__res); \ type name(type1 arg1,type2 arg2) \ { \ long __res; \ -__asm__ volatile ("int $0x80" \ +__asm__ volatile ("push %%ebx ; movl %2,%%ebx ; int $0x80 ; pop %%ebx" \ : "=a" (__res) \ - : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)) : "memory"); \ + : "0" (__NR_##name),"ri" ((long)(arg1)),"c" ((long)(arg2)) \ + : "memory"); \ __syscall_return(type,__res); \ } @@ -367,9 +368,9 @@ __syscall_return(type,__res); \ type name(type1 arg1,type2 arg2,type3 arg3) \ { \ long __res; \ -__asm__ volatile ("int $0x80" \ +__asm__ volatile ("push %%ebx ; movl %2,%%ebx ; int $0x80 ; pop %%ebx" \ : "=a" (__res) \ - : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ + : "0" (__NR_##name),"ri" ((long)(arg1)),"c" ((long)(arg2)), \ "d" ((long)(arg3)) : "memory"); \ __syscall_return(type,__res); \ } @@ -378,9 +379,9 @@ __syscall_return(type,__res); \ type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ { \ long __res; \ -__asm__ volatile ("int $0x80" \ +__asm__ volatile ("push %%ebx ; movl %2,%%ebx ; int $0x80 ; pop %%ebx" \ : "=a" (__res) \ - : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ + : "0" (__NR_##name),"ri" ((long)(arg1)),"c" ((long)(arg2)), \ "d" ((long)(arg3)),"S" ((long)(arg4)) : "memory"); \ __syscall_return(type,__res); \ } @@ -390,10 +391,12 @@ __syscall_return(type,__res); \ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ { \ long __res; \ -__asm__ volatile ("int $0x80" \ +__asm__ volatile ("push %%ebx ; movl %2,%%ebx ; movl %1,%%eax ; " \ + "int $0x80 ; pop %%ebx" \ : "=a" (__res) \ - : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ - "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5)) : "memory"); \ + : "i" (__NR_##name),"ri" ((long)(arg1)),"c" ((long)(arg2)), \ + "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5)) \ + : "memory"); \ __syscall_return(type,__res); \ } @@ -402,11 +405,14 @@ __syscall_return(type,__res); \ type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ { \ long __res; \ -__asm__ volatile ("push %%ebp ; movl %%eax,%%ebp ; movl %1,%%eax ; int $0x80 ; pop %%ebp" \ + struct { long __a1; long __a6; } __s = { (long)arg1, (long)arg6 }; \ +__asm__ volatile ("push %%ebp ; push %%ebx ; movl 4(%2),%%ebp ; " \ + "movl 0(%2),%%ebx ; movl %1,%%eax ; int $0x80 ; " \ + "pop %%ebx ; pop %%ebp" \ : "=a" (__res) \ - : "i" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ - "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5)), \ - "0" ((long)(arg6)) : "memory"); \ + : "i" (__NR_##name),"0" ((long)(&__s)),"c" ((long)(arg2)), \ + "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5)) \ + : "memory"); \ __syscall_return(type,__res); \ } diff --git a/include/asm-ia64/atomic.h b/include/asm-ia64/atomic.h index d3e0dfa99e1..569ec7574ba 100644 --- a/include/asm-ia64/atomic.h +++ b/include/asm-ia64/atomic.h @@ -95,8 +95,14 @@ ia64_atomic64_sub (__s64 i, atomic64_t *v) ({ \ int c, old; \ c = atomic_read(v); \ - while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ + for (;;) { \ + if (unlikely(c == (u))) \ + break; \ + old = atomic_cmpxchg((v), c, c + (a)); \ + if (likely(old == c)) \ + break; \ c = old; \ + } \ c != (u); \ }) #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) diff --git a/include/asm-ia64/cache.h b/include/asm-ia64/cache.h index 40dd25195d6..f0a104db8f2 100644 --- a/include/asm-ia64/cache.h +++ b/include/asm-ia64/cache.h @@ -25,4 +25,6 @@ # define SMP_CACHE_BYTES (1 << 3) #endif +#define __read_mostly __attribute__((__section__(".data.read_mostly"))) + #endif /* _ASM_IA64_CACHE_H */ diff --git a/include/asm-ia64/linkage.h b/include/asm-ia64/linkage.h index 14cd72cd800..ef22a45c189 100644 --- a/include/asm-ia64/linkage.h +++ b/include/asm-ia64/linkage.h @@ -1,6 +1,14 @@ #ifndef __ASM_LINKAGE_H #define __ASM_LINKAGE_H +#ifndef __ASSEMBLY__ + #define asmlinkage CPP_ASMLINKAGE __attribute__((syscall_linkage)) +#else + +#include <asm/asmmacro.h> + +#endif + #endif diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h index e77f0c9b7d3..b546de2fdce 100644 --- a/include/asm-ia64/sn/sn_sal.h +++ b/include/asm-ia64/sn/sn_sal.h @@ -1037,7 +1037,7 @@ ia64_sn_get_sn_info(int fc, u8 *shubtype, u16 *nasid_bitmask, u8 *nasid_shift, /***** BEGIN HACK - temp til old proms no longer supported ********/ if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) { - int nasid = get_sapicid() & 0xfff;; + int nasid = get_sapicid() & 0xfff; #define SH_SHUB_ID_NODES_PER_BIT_MASK 0x001f000000000000UL #define SH_SHUB_ID_NODES_PER_BIT_SHFT 48 if (shubtype) *shubtype = 0; diff --git a/include/asm-ia64/system.h b/include/asm-ia64/system.h index cd4233d66f1..2f362059368 100644 --- a/include/asm-ia64/system.h +++ b/include/asm-ia64/system.h @@ -265,6 +265,8 @@ void sched_cacheflush(void); #define arch_align_stack(x) (x) +void default_idle(void); + #endif /* __KERNEL__ */ #endif /* __ASSEMBLY__ */ diff --git a/include/asm-m68k/atomic.h b/include/asm-m68k/atomic.h index 862e497c264..732d696d31a 100644 --- a/include/asm-m68k/atomic.h +++ b/include/asm-m68k/atomic.h @@ -175,8 +175,14 @@ static inline void atomic_set_mask(unsigned long mask, unsigned long *v) ({ \ int c, old; \ c = atomic_read(v); \ - while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ + for (;;) { \ + if (unlikely(c == (u))) \ + break; \ + old = atomic_cmpxchg((v), c, c + (a)); \ + if (likely(old == c)) \ + break; \ c = old; \ + } \ c != (u); \ }) #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) diff --git a/include/asm-mips/io.h b/include/asm-mips/io.h index 546a17e56a9..6b17eb9d79a 100644 --- a/include/asm-mips/io.h +++ b/include/asm-mips/io.h @@ -556,24 +556,11 @@ extern void pci_iounmap(struct pci_dev *dev, void __iomem *); */ #define __ISA_IO_base ((char *)(isa_slot_offset)) -#define isa_readb(a) readb(__ISA_IO_base + (a)) -#define isa_readw(a) readw(__ISA_IO_base + (a)) -#define isa_readl(a) readl(__ISA_IO_base + (a)) -#define isa_readq(a) readq(__ISA_IO_base + (a)) -#define isa_writeb(b,a) writeb(b,__ISA_IO_base + (a)) -#define isa_writew(w,a) writew(w,__ISA_IO_base + (a)) -#define isa_writel(l,a) writel(l,__ISA_IO_base + (a)) -#define isa_writeq(q,a) writeq(q,__ISA_IO_base + (a)) -#define isa_memset_io(a,b,c) memset_io(__ISA_IO_base + (a),(b),(c)) -#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a),__ISA_IO_base + (b),(c)) -#define isa_memcpy_toio(a,b,c) memcpy_toio(__ISA_IO_base + (a),(b),(c)) - /* * We don't have csum_partial_copy_fromio() yet, so we cheat here and * just copy it. The net code will then do the checksum later. */ #define eth_io_copy_and_sum(skb,src,len,unused) memcpy_fromio((skb)->data,(src),(len)) -#define isa_eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(b),(c),(d)) /* * check_signature - find BIOS signatures diff --git a/include/asm-mips/linkage.h b/include/asm-mips/linkage.h index 291c2d01c44..b6185d3cfe6 100644 --- a/include/asm-mips/linkage.h +++ b/include/asm-mips/linkage.h @@ -1,6 +1,8 @@ #ifndef __ASM_LINKAGE_H #define __ASM_LINKAGE_H -/* Nothing to see here... */ +#ifdef __ASSEMBLY__ +#include <asm/asm.h> +#endif #endif diff --git a/include/asm-parisc/cache.h b/include/asm-parisc/cache.h index 93f179f13ce..ae50f8e12ee 100644 --- a/include/asm-parisc/cache.h +++ b/include/asm-parisc/cache.h @@ -29,6 +29,8 @@ #define SMP_CACHE_BYTES L1_CACHE_BYTES +#define __read_mostly __attribute__((__section__(".data.read_mostly"))) + extern void flush_data_cache_local(void *); /* flushes local data-cache only */ extern void flush_instruction_cache_local(void *); /* flushes local code-cache only */ #ifdef CONFIG_SMP diff --git a/include/asm-parisc/io.h b/include/asm-parisc/io.h index 0db00adc942..be0c7234a6d 100644 --- a/include/asm-parisc/io.h +++ b/include/asm-parisc/io.h @@ -294,22 +294,6 @@ void memset_io(volatile void __iomem *addr, unsigned char val, int count); void memcpy_fromio(void *dst, const volatile void __iomem *src, int count); void memcpy_toio(volatile void __iomem *dst, const void *src, int count); -/* Support old drivers which don't ioremap. - * NB this interface is scheduled to disappear in 2.5 - */ - -#define __isa_addr(x) (void __iomem *)(F_EXTEND(0xfc000000) | (x)) -#define isa_readb(a) readb(__isa_addr(a)) -#define isa_readw(a) readw(__isa_addr(a)) -#define isa_readl(a) readl(__isa_addr(a)) -#define isa_writeb(b,a) writeb((b), __isa_addr(a)) -#define isa_writew(b,a) writew((b), __isa_addr(a)) -#define isa_writel(b,a) writel((b), __isa_addr(a)) -#define isa_memset_io(a,b,c) memset_io(__isa_addr(a), (b), (c)) -#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a), __isa_addr(b), (c)) -#define isa_memcpy_toio(a,b,c) memcpy_toio(__isa_addr(a), (b), (c)) - - /* * XXX - We don't have csum_partial_copy_fromio() yet, so we cheat here and * just copy it. The net code will then do the checksum later. Presently @@ -318,8 +302,6 @@ void memcpy_toio(volatile void __iomem *dst, const void *src, int count); #define eth_io_copy_and_sum(skb,src,len,unused) \ memcpy_fromio((skb)->data,(src),(len)) -#define isa_eth_io_copy_and_sum(skb,src,len,unused) \ - isa_memcpy_fromio((skb)->data,(src),(len)) /* Port-space IO */ diff --git a/include/asm-powerpc/atomic.h b/include/asm-powerpc/atomic.h index 147a38dcc76..bb3c0ab7e66 100644 --- a/include/asm-powerpc/atomic.h +++ b/include/asm-powerpc/atomic.h @@ -8,6 +8,7 @@ typedef struct { volatile int counter; } atomic_t; #ifdef __KERNEL__ +#include <linux/compiler.h> #include <asm/synch.h> #include <asm/asm-compat.h> @@ -176,20 +177,29 @@ static __inline__ int atomic_dec_return(atomic_t *v) * Atomically adds @a to @v, so long as it was not @u. * Returns non-zero if @v was not @u, and zero otherwise. */ -#define atomic_add_unless(v, a, u) \ -({ \ - int c, old; \ - c = atomic_read(v); \ - for (;;) { \ - if (unlikely(c == (u))) \ - break; \ - old = atomic_cmpxchg((v), c, c + (a)); \ - if (likely(old == c)) \ - break; \ - c = old; \ - } \ - c != (u); \ -}) +static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) +{ + int t; + + __asm__ __volatile__ ( + LWSYNC_ON_SMP +"1: lwarx %0,0,%1 # atomic_add_unless\n\ + cmpw 0,%0,%3 \n\ + beq- 2f \n\ + add %0,%2,%0 \n" + PPC405_ERR77(0,%2) +" stwcx. %0,0,%1 \n\ + bne- 1b \n" + ISYNC_ON_SMP +" subf %0,%2,%0 \n\ +2:" + : "=&r" (t) + : "r" (&v->counter), "r" (a), "r" (u) + : "cc", "memory"); + + return t != u; +} + #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) #define atomic_sub_and_test(a, v) (atomic_sub_return((a), (v)) == 0) diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h index 5638518968c..fe45f6f3a4b 100644 --- a/include/asm-powerpc/cputable.h +++ b/include/asm-powerpc/cputable.h @@ -102,38 +102,40 @@ extern void do_cpu_ftr_fixups(unsigned long offset); #define CPU_FTR_NEED_COHERENT ASM_CONST(0x0000000000020000) #define CPU_FTR_NO_BTIC ASM_CONST(0x0000000000040000) #define CPU_FTR_BIG_PHYS ASM_CONST(0x0000000000080000) -#define CPU_FTR_NODSISRALIGN ASM_CONST(0x0000000000100000) +#define CPU_FTR_NODSISRALIGN ASM_CONST(0x0000000000100000) #ifdef __powerpc64__ /* Add the 64b processor unique features in the top half of the word */ -#define CPU_FTR_SLB ASM_CONST(0x0000000100000000) -#define CPU_FTR_16M_PAGE ASM_CONST(0x0000000200000000) -#define CPU_FTR_TLBIEL ASM_CONST(0x0000000400000000) -#define CPU_FTR_NOEXECUTE ASM_CONST(0x0000000800000000) -#define CPU_FTR_IABR ASM_CONST(0x0000002000000000) -#define CPU_FTR_MMCRA ASM_CONST(0x0000004000000000) +#define CPU_FTR_SLB ASM_CONST(0x0000000100000000) +#define CPU_FTR_16M_PAGE ASM_CONST(0x0000000200000000) +#define CPU_FTR_TLBIEL ASM_CONST(0x0000000400000000) +#define CPU_FTR_NOEXECUTE ASM_CONST(0x0000000800000000) +#define CPU_FTR_IABR ASM_CONST(0x0000002000000000) +#define CPU_FTR_MMCRA ASM_CONST(0x0000004000000000) #define CPU_FTR_CTRL ASM_CONST(0x0000008000000000) -#define CPU_FTR_SMT ASM_CONST(0x0000010000000000) -#define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x0000020000000000) +#define CPU_FTR_SMT ASM_CONST(0x0000010000000000) +#define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x0000020000000000) #define CPU_FTR_LOCKLESS_TLBIE ASM_CONST(0x0000040000000000) #define CPU_FTR_MMCRA_SIHV ASM_CONST(0x0000080000000000) #define CPU_FTR_CI_LARGE_PAGE ASM_CONST(0x0000100000000000) #define CPU_FTR_PAUSE_ZERO ASM_CONST(0x0000200000000000) +#define CPU_FTR_PURR ASM_CONST(0x0000400000000000) #else /* ensure on 32b processors the flags are available for compiling but * don't do anything */ -#define CPU_FTR_SLB ASM_CONST(0x0) -#define CPU_FTR_16M_PAGE ASM_CONST(0x0) -#define CPU_FTR_TLBIEL ASM_CONST(0x0) -#define CPU_FTR_NOEXECUTE ASM_CONST(0x0) -#define CPU_FTR_IABR ASM_CONST(0x0) -#define CPU_FTR_MMCRA ASM_CONST(0x0) +#define CPU_FTR_SLB ASM_CONST(0x0) +#define CPU_FTR_16M_PAGE ASM_CONST(0x0) +#define CPU_FTR_TLBIEL ASM_CONST(0x0) +#define CPU_FTR_NOEXECUTE ASM_CONST(0x0) +#define CPU_FTR_IABR ASM_CONST(0x0) +#define CPU_FTR_MMCRA ASM_CONST(0x0) #define CPU_FTR_CTRL ASM_CONST(0x0) -#define CPU_FTR_SMT ASM_CONST(0x0) -#define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x0) +#define CPU_FTR_SMT ASM_CONST(0x0) +#define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x0) #define CPU_FTR_LOCKLESS_TLBIE ASM_CONST(0x0) #define CPU_FTR_MMCRA_SIHV ASM_CONST(0x0) #define CPU_FTR_CI_LARGE_PAGE ASM_CONST(0x0) +#define CPU_FTR_PURR ASM_CONST(0x0) #endif #ifndef __ASSEMBLY__ @@ -318,7 +320,7 @@ enum { CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA | CPU_FTR_SMT | CPU_FTR_COHERENT_ICACHE | CPU_FTR_LOCKLESS_TLBIE | - CPU_FTR_MMCRA_SIHV, + CPU_FTR_MMCRA_SIHV | CPU_FTR_PURR, CPU_FTRS_CELL = CPU_FTR_SPLIT_ID_CACHE | CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP | CPU_FTR_MMCRA | CPU_FTR_SMT | diff --git a/include/asm-powerpc/cputime.h b/include/asm-powerpc/cputime.h index 6d68ad7e0ea..a21185d4788 100644 --- a/include/asm-powerpc/cputime.h +++ b/include/asm-powerpc/cputime.h @@ -1 +1,203 @@ +/* + * Definitions for measuring cputime on powerpc machines. + * + * Copyright (C) 2006 Paul Mackerras, IBM Corp. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * If we have CONFIG_VIRT_CPU_ACCOUNTING, we measure cpu time in + * the same units as the timebase. Otherwise we measure cpu time + * in jiffies using the generic definitions. + */ + +#ifndef __POWERPC_CPUTIME_H +#define __POWERPC_CPUTIME_H + +#ifndef CONFIG_VIRT_CPU_ACCOUNTING #include <asm-generic/cputime.h> +#else + +#include <linux/types.h> +#include <linux/time.h> +#include <asm/div64.h> +#include <asm/time.h> +#include <asm/param.h> + +typedef u64 cputime_t; +typedef u64 cputime64_t; + +#define cputime_zero ((cputime_t)0) +#define cputime_max ((~((cputime_t)0) >> 1) - 1) +#define cputime_add(__a, __b) ((__a) + (__b)) +#define cputime_sub(__a, __b) ((__a) - (__b)) +#define cputime_div(__a, __n) ((__a) / (__n)) +#define cputime_halve(__a) ((__a) >> 1) +#define cputime_eq(__a, __b) ((__a) == (__b)) +#define cputime_gt(__a, __b) ((__a) > (__b)) +#define cputime_ge(__a, __b) ((__a) >= (__b)) +#define cputime_lt(__a, __b) ((__a) < (__b)) +#define cputime_le(__a, __b) ((__a) <= (__b)) + +#define cputime64_zero ((cputime64_t)0) +#define cputime64_add(__a, __b) ((__a) + (__b)) +#define cputime_to_cputime64(__ct) (__ct) + +#ifdef __KERNEL__ + +/* + * Convert cputime <-> jiffies + */ +extern u64 __cputime_jiffies_factor; + +static inline unsigned long cputime_to_jiffies(const cputime_t ct) +{ + return mulhdu(ct, __cputime_jiffies_factor); +} + +static inline cputime_t jiffies_to_cputime(const unsigned long jif) +{ + cputime_t ct; + unsigned long sec; + + /* have to be a little careful about overflow */ + ct = jif % HZ; + sec = jif / HZ; + if (ct) { + ct *= tb_ticks_per_sec; + do_div(ct, HZ); + } + if (sec) + ct += (cputime_t) sec * tb_ticks_per_sec; + return ct; +} + +static inline u64 cputime64_to_jiffies64(const cputime_t ct) +{ + return mulhdu(ct, __cputime_jiffies_factor); +} + +/* + * Convert cputime <-> milliseconds + */ +extern u64 __cputime_msec_factor; + +static inline unsigned long cputime_to_msecs(const cputime_t ct) +{ + return mulhdu(ct, __cputime_msec_factor); +} + +static inline cputime_t msecs_to_cputime(const unsigned long ms) +{ + cputime_t ct; + unsigned long sec; + + /* have to be a little careful about overflow */ + ct = ms % 1000; + sec = ms / 1000; + if (ct) { + ct *= tb_ticks_per_sec; + do_div(ct, 1000); + } + if (sec) + ct += (cputime_t) sec * tb_ticks_per_sec; + return ct; +} + +/* + * Convert cputime <-> seconds + */ +extern u64 __cputime_sec_factor; + +static inline unsigned long cputime_to_secs(const cputime_t ct) +{ + return mulhdu(ct, __cputime_sec_factor); +} + +static inline cputime_t secs_to_cputime(const unsigned long sec) +{ + return (cputime_t) sec * tb_ticks_per_sec; +} + +/* + * Convert cputime <-> timespec + */ +static inline void cputime_to_timespec(const cputime_t ct, struct timespec *p) +{ + u64 x = ct; + unsigned int frac; + + frac = do_div(x, tb_ticks_per_sec); + p->tv_sec = x; + x = (u64) frac * 1000000000; + do_div(x, tb_ticks_per_sec); + p->tv_nsec = x; +} + +static inline cputime_t timespec_to_cputime(const struct timespec *p) +{ + cputime_t ct; + + ct = (u64) p->tv_nsec * tb_ticks_per_sec; + do_div(ct, 1000000000); + return ct + (u64) p->tv_sec * tb_ticks_per_sec; +} + +/* + * Convert cputime <-> timeval + */ +static inline void cputime_to_timeval(const cputime_t ct, struct timeval *p) +{ + u64 x = ct; + unsigned int frac; + + frac = do_div(x, tb_ticks_per_sec); + p->tv_sec = x; + x = (u64) frac * 1000000; + do_div(x, tb_ticks_per_sec); + p->tv_usec = x; +} + +static inline cputime_t timeval_to_cputime(const struct timeval *p) +{ + cputime_t ct; + + ct = (u64) p->tv_usec * tb_ticks_per_sec; + do_div(ct, 1000000); + return ct + (u64) p->tv_sec * tb_ticks_per_sec; +} + +/* + * Convert cputime <-> clock_t (units of 1/USER_HZ seconds) + */ +extern u64 __cputime_clockt_factor; + +static inline unsigned long cputime_to_clock_t(const cputime_t ct) +{ + return mulhdu(ct, __cputime_clockt_factor); +} + +static inline cputime_t clock_t_to_cputime(const unsigned long clk) +{ + cputime_t ct; + unsigned long sec; + + /* have to be a little careful about overflow */ + ct = clk % USER_HZ; + sec = clk / USER_HZ; + if (ct) { + ct *= tb_ticks_per_sec; + do_div(ct, USER_HZ); + } + if (sec) + ct += (cputime_t) sec * tb_ticks_per_sec; + return ct; +} + +#define cputime64_to_clock_t(ct) cputime_to_clock_t((cputime_t)(ct)) + +#endif /* __KERNEL__ */ +#endif /* CONFIG_VIRT_CPU_ACCOUNTING */ +#endif /* __POWERPC_CPUTIME_H */ diff --git a/include/asm-powerpc/firmware.h b/include/asm-powerpc/firmware.h index f804b34cf06..ce3788224ed 100644 --- a/include/asm-powerpc/firmware.h +++ b/include/asm-powerpc/firmware.h @@ -41,6 +41,7 @@ #define FW_FEATURE_MULTITCE (1UL<<19) #define FW_FEATURE_SPLPAR (1UL<<20) #define FW_FEATURE_ISERIES (1UL<<21) +#define FW_FEATURE_LPAR (1UL<<22) enum { #ifdef CONFIG_PPC64 @@ -51,10 +52,10 @@ enum { FW_FEATURE_MIGRATE | FW_FEATURE_PERFMON | FW_FEATURE_CRQ | FW_FEATURE_VIO | FW_FEATURE_RDMA | FW_FEATURE_LLAN | FW_FEATURE_BULK | FW_FEATURE_XDABR | FW_FEATURE_MULTITCE | - FW_FEATURE_SPLPAR, + FW_FEATURE_SPLPAR | FW_FEATURE_LPAR, FW_FEATURE_PSERIES_ALWAYS = 0, - FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES, - FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES, + FW_FEATURE_ISERIES_POSSIBLE = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, + FW_FEATURE_ISERIES_ALWAYS = FW_FEATURE_ISERIES | FW_FEATURE_LPAR, FW_FEATURE_POSSIBLE = #ifdef CONFIG_PPC_PSERIES FW_FEATURE_PSERIES_POSSIBLE | @@ -89,15 +90,6 @@ static inline unsigned long firmware_has_feature(unsigned long feature) (FW_FEATURE_POSSIBLE & ppc64_firmware_features & feature); } -#ifdef CONFIG_PPC_PSERIES -typedef struct { - unsigned long val; - char * name; -} firmware_feature_t; - -extern firmware_feature_t firmware_features_table[]; -#endif - extern void system_reset_fwnmi(void); extern void machine_check_fwnmi(void); diff --git a/include/asm-powerpc/irq.h b/include/asm-powerpc/irq.h index 8eb7e857ec4..51f87d9993b 100644 --- a/include/asm-powerpc/irq.h +++ b/include/asm-powerpc/irq.h @@ -479,6 +479,10 @@ extern int distribute_irqs; struct irqaction; struct pt_regs; +#define __ARCH_HAS_DO_SOFTIRQ + +extern void __do_softirq(void); + #ifdef CONFIG_IRQSTACKS /* * Per-cpu stacks for handling hard and soft interrupts. @@ -491,8 +495,6 @@ extern void call_do_softirq(struct thread_info *tp); extern int call___do_IRQ(int irq, struct pt_regs *regs, struct thread_info *tp); -#define __ARCH_HAS_DO_SOFTIRQ - #else #define irq_ctx_init() diff --git a/include/asm-powerpc/iseries/mf.h b/include/asm-powerpc/iseries/mf.h index 857e5202fc7..eb851a9c9e5 100644 --- a/include/asm-powerpc/iseries/mf.h +++ b/include/asm-powerpc/iseries/mf.h @@ -41,16 +41,11 @@ extern void mf_deallocate_lp_events(HvLpIndex targetLp, HvLpEvent_Type type, unsigned count, MFCompleteHandler hdlr, void *userToken); extern void mf_power_off(void); -extern void mf_reboot(void); +extern void mf_reboot(char *cmd); extern void mf_display_src(u32 word); extern void mf_display_progress(u16 value); -extern void mf_clear_src(void); extern void mf_init(void); -extern int mf_get_rtc(struct rtc_time *tm); -extern int mf_get_boot_rtc(struct rtc_time *tm); -extern int mf_set_rtc(struct rtc_time *tm); - #endif /* _ASM_POWERPC_ISERIES_MF_H */ diff --git a/include/asm-powerpc/lmb.h b/include/asm-powerpc/lmb.h index d3546c4c9f4..0c5880f7022 100644 --- a/include/asm-powerpc/lmb.h +++ b/include/asm-powerpc/lmb.h @@ -19,8 +19,6 @@ #define MAX_LMB_REGIONS 128 -#define LMB_ALLOC_ANYWHERE 0 - struct lmb_property { unsigned long base; unsigned long size; @@ -43,20 +41,19 @@ extern struct lmb lmb; extern void __init lmb_init(void); extern void __init lmb_analyze(void); -extern long __init lmb_add(unsigned long, unsigned long); -extern long __init lmb_reserve(unsigned long, unsigned long); -extern unsigned long __init lmb_alloc(unsigned long, unsigned long); -extern unsigned long __init lmb_alloc_base(unsigned long, unsigned long, - unsigned long); +extern long __init lmb_add(unsigned long base, unsigned long size); +extern long __init lmb_reserve(unsigned long base, unsigned long size); +extern unsigned long __init lmb_alloc(unsigned long size, unsigned long align); +extern unsigned long __init lmb_alloc_base(unsigned long size, + unsigned long align, unsigned long max_addr); +extern unsigned long __init __lmb_alloc_base(unsigned long size, + unsigned long align, unsigned long max_addr); extern unsigned long __init lmb_phys_mem_size(void); extern unsigned long __init lmb_end_of_DRAM(void); -extern unsigned long __init lmb_abs_to_phys(unsigned long); -extern void __init lmb_enforce_memory_limit(unsigned long); +extern void __init lmb_enforce_memory_limit(unsigned long memory_limit); extern void lmb_dump_all(void); -extern unsigned long io_hole_start; - static inline unsigned long lmb_size_bytes(struct lmb_region *type, unsigned long region_nr) { diff --git a/include/asm-powerpc/mmu.h b/include/asm-powerpc/mmu.h index b0b9a3f8cdc..31f721994bd 100644 --- a/include/asm-powerpc/mmu.h +++ b/include/asm-powerpc/mmu.h @@ -236,7 +236,6 @@ extern void htab_initialize_secondary(void); extern void hpte_init_native(void); extern void hpte_init_lpar(void); extern void hpte_init_iSeries(void); -extern void mm_init_ppc64(void); extern long pSeries_lpar_hpte_insert(unsigned long hpte_group, unsigned long va, unsigned long prpn, diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h index c9add8f1ad9..4465b95ebef 100644 --- a/include/asm-powerpc/paca.h +++ b/include/asm-powerpc/paca.h @@ -54,7 +54,7 @@ struct paca_struct { #endif /* CONFIG_PPC_ISERIES */ /* - * MAGIC: the spinlock functions in arch/ppc64/lib/locks.c + * MAGIC: the spinlock functions in arch/powerpc/lib/locks.c * load lock_token and paca_index with a single lwz * instruction. They must travel together and be properly * aligned. @@ -96,6 +96,11 @@ struct paca_struct { u64 saved_r1; /* r1 save for RTAS calls */ u64 saved_msr; /* MSR saved here by enter_rtas */ u8 proc_enabled; /* irq soft-enable flag */ + + /* Stuff for accurate time accounting */ + u64 user_time; /* accumulated usermode TB ticks */ + u64 system_time; /* accumulated system TB ticks */ + u64 startpurr; /* PURR/TB value snapshot */ }; extern struct paca_struct paca[]; diff --git a/include/asm-powerpc/percpu.h b/include/asm-powerpc/percpu.h index e31922c50e5..464301cd0d0 100644 --- a/include/asm-powerpc/percpu.h +++ b/include/asm-powerpc/percpu.h @@ -27,10 +27,9 @@ #define percpu_modcopy(pcpudst, src, size) \ do { \ unsigned int __i; \ - for (__i = 0; __i < NR_CPUS; __i++) \ - if (cpu_possible(__i)) \ - memcpy((pcpudst)+__per_cpu_offset(__i), \ - (src), (size)); \ + for_each_cpu(__i) \ + memcpy((pcpudst)+__per_cpu_offset(__i), \ + (src), (size)); \ } while (0) extern void setup_per_cpu_areas(void); diff --git a/include/asm-powerpc/pgtable-4k.h b/include/asm-powerpc/pgtable-4k.h index 80a7832d272..b2e18629932 100644 --- a/include/asm-powerpc/pgtable-4k.h +++ b/include/asm-powerpc/pgtable-4k.h @@ -62,9 +62,14 @@ /* shift to put page number into pte */ #define PTE_RPN_SHIFT (17) -#define __real_pte(e,p) ((real_pte_t)(e)) -#define __rpte_to_pte(r) (r) -#define __rpte_to_hidx(r,index) (pte_val((r)) >> 12) +#ifdef STRICT_MM_TYPECHECKS +#define __real_pte(e,p) ((real_pte_t){(e)}) +#define __rpte_to_pte(r) ((r).pte) +#else +#define __real_pte(e,p) (e) +#define __rpte_to_pte(r) (__pte(r)) +#endif +#define __rpte_to_hidx(r,index) (pte_val(__rpte_to_pte(r)) >> 12) #define pte_iterate_hashed_subpages(rpte, psize, va, index, shift) \ do { \ diff --git a/include/asm-powerpc/pgtable.h b/include/asm-powerpc/pgtable.h index 185ee15963a..e9f1f4627e6 100644 --- a/include/asm-powerpc/pgtable.h +++ b/include/asm-powerpc/pgtable.h @@ -188,9 +188,13 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot) #define pte_pfn(x) ((unsigned long)((pte_val(x)>>PTE_RPN_SHIFT))) #define pte_page(x) pfn_to_page(pte_pfn(x)) +#define PMD_BAD_BITS (PTE_TABLE_SIZE-1) +#define PUD_BAD_BITS (PMD_TABLE_SIZE-1) + #define pmd_set(pmdp, pmdval) (pmd_val(*(pmdp)) = (pmdval)) #define pmd_none(pmd) (!pmd_val(pmd)) -#define pmd_bad(pmd) (pmd_val(pmd) == 0) +#define pmd_bad(pmd) (!is_kernel_addr(pmd_val(pmd)) \ + || (pmd_val(pmd) & PMD_BAD_BITS)) #define pmd_present(pmd) (pmd_val(pmd) != 0) #define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0) #define pmd_page_kernel(pmd) (pmd_val(pmd) & ~PMD_MASKED_BITS) @@ -198,7 +202,8 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot) #define pud_set(pudp, pudval) (pud_val(*(pudp)) = (pudval)) #define pud_none(pud) (!pud_val(pud)) -#define pud_bad(pud) ((pud_val(pud)) == 0) +#define pud_bad(pud) (!is_kernel_addr(pud_val(pud)) \ + || (pud_val(pud) & PUD_BAD_BITS)) #define pud_present(pud) (pud_val(pud) != 0) #define pud_clear(pudp) (pud_val(*(pudp)) = 0) #define pud_page(pud) (pud_val(pud) & ~PUD_MASKED_BITS) diff --git a/include/asm-powerpc/ppc_asm.h b/include/asm-powerpc/ppc_asm.h index ab8688d3902..dd1c0a913d5 100644 --- a/include/asm-powerpc/ppc_asm.h +++ b/include/asm-powerpc/ppc_asm.h @@ -15,6 +15,48 @@ #define SZL (BITS_PER_LONG/8) /* + * Stuff for accurate CPU time accounting. + * These macros handle transitions between user and system state + * in exception entry and exit and accumulate time to the + * user_time and system_time fields in the paca. + */ + +#ifndef CONFIG_VIRT_CPU_ACCOUNTING +#define ACCOUNT_CPU_USER_ENTRY(ra, rb) +#define ACCOUNT_CPU_USER_EXIT(ra, rb) +#else +#define ACCOUNT_CPU_USER_ENTRY(ra, rb) \ + beq 2f; /* if from kernel mode */ \ +BEGIN_FTR_SECTION; \ + mfspr ra,SPRN_PURR; /* get processor util. reg */ \ +END_FTR_SECTION_IFSET(CPU_FTR_PURR); \ +BEGIN_FTR_SECTION; \ + mftb ra; /* or get TB if no PURR */ \ +END_FTR_SECTION_IFCLR(CPU_FTR_PURR); \ + ld rb,PACA_STARTPURR(r13); \ + std ra,PACA_STARTPURR(r13); \ + subf rb,rb,ra; /* subtract start value */ \ + ld ra,PACA_USER_TIME(r13); \ + add ra,ra,rb; /* add on to user time */ \ + std ra,PACA_USER_TIME(r13); \ +2: + +#define ACCOUNT_CPU_USER_EXIT(ra, rb) \ +BEGIN_FTR_SECTION; \ + mfspr ra,SPRN_PURR; /* get processor util. reg */ \ +END_FTR_SECTION_IFSET(CPU_FTR_PURR); \ +BEGIN_FTR_SECTION; \ + mftb ra; /* or get TB if no PURR */ \ +END_FTR_SECTION_IFCLR(CPU_FTR_PURR); \ + ld rb,PACA_STARTPURR(r13); \ + std ra,PACA_STARTPURR(r13); \ + subf rb,rb,ra; /* subtract start value */ \ + ld ra,PACA_SYSTEM_TIME(r13); \ + add ra,ra,rb; /* add on to user time */ \ + std ra,PACA_SYSTEM_TIME(r13); +#endif + +/* * Macros for storing registers into and loading registers from * exception frames. */ diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h index 415fa393b00..1c64a211cf1 100644 --- a/include/asm-powerpc/processor.h +++ b/include/asm-powerpc/processor.h @@ -52,7 +52,6 @@ #ifdef __KERNEL__ #define platform_is_pseries() (_machine == PLATFORM_PSERIES || \ _machine == PLATFORM_PSERIES_LPAR) -#define platform_is_lpar() (!!(_machine & PLATFORM_LPAR)) #if defined(CONFIG_PPC_MULTIPLATFORM) extern int _machine; diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h index cbd297f44cc..782e13a070a 100644 --- a/include/asm-powerpc/prom.h +++ b/include/asm-powerpc/prom.h @@ -126,8 +126,14 @@ extern struct device_node *find_all_nodes(void); /* New style node lookup */ extern struct device_node *of_find_node_by_name(struct device_node *from, const char *name); +#define for_each_node_by_name(dn, name) \ + for (dn = of_find_node_by_name(NULL, name); dn; \ + dn = of_find_node_by_name(dn, name)) extern struct device_node *of_find_node_by_type(struct device_node *from, const char *type); +#define for_each_node_by_type(dn, type) \ + for (dn = of_find_node_by_type(NULL, type); dn; \ + dn = of_find_node_by_type(dn, type)) extern struct device_node *of_find_compatible_node(struct device_node *from, const char *type, const char *compat); extern struct device_node *of_find_node_by_path(const char *path); diff --git a/include/asm-powerpc/rwsem.h b/include/asm-powerpc/rwsem.h index 79bae4933b7..2c2fe964759 100644 --- a/include/asm-powerpc/rwsem.h +++ b/include/asm-powerpc/rwsem.h @@ -4,7 +4,7 @@ #ifdef __KERNEL__ /* - * include/asm-ppc64/rwsem.h: R/W semaphores for PPC using the stuff + * include/asm-powerpc/rwsem.h: R/W semaphores for PPC using the stuff * in lib/rwsem.c. Adapted largely from include/asm-i386/rwsem.h * by Paul Mackerras <paulus@samba.org>. */ diff --git a/include/asm-powerpc/synch.h b/include/asm-powerpc/synch.h index c90d9d9aae7..2cda3c38a9f 100644 --- a/include/asm-powerpc/synch.h +++ b/include/asm-powerpc/synch.h @@ -15,7 +15,7 @@ #endif #ifdef CONFIG_SMP -#define ISYNC_ON_SMP "\n\tisync" +#define ISYNC_ON_SMP "\n\tisync\n" #define LWSYNC_ON_SMP __stringify(LWSYNC) "\n" #else #define ISYNC_ON_SMP diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h index d9bf53653b1..65f5a7b2646 100644 --- a/include/asm-powerpc/system.h +++ b/include/asm-powerpc/system.h @@ -171,6 +171,8 @@ extern u32 booke_wdt_period; /* EBCDIC -> ASCII conversion for [0-9A-Z] on iSeries */ extern unsigned char e2a(unsigned char); +extern unsigned char* strne2a(unsigned char *dest, + const unsigned char *src, size_t n); struct device_node; extern void note_scsi_host(struct device_node *, void *); @@ -424,5 +426,9 @@ static inline void create_function_call(unsigned long addr, void * func) create_branch(addr, func_addr, BRANCH_SET_LINK); } +#ifdef CONFIG_VIRT_CPU_ACCOUNTING +extern void account_system_vtime(struct task_struct *); +#endif + #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_SYSTEM_H */ diff --git a/include/asm-powerpc/time.h b/include/asm-powerpc/time.h index baddc9ab57a..912118db13a 100644 --- a/include/asm-powerpc/time.h +++ b/include/asm-powerpc/time.h @@ -41,6 +41,7 @@ extern time_t last_rtc_update; extern void generic_calibrate_decr(void); extern void wakeup_decrementer(void); +extern void snapshot_timebase(void); /* Some sane defaults: 125 MHz timebase, 1GHz processor */ extern unsigned long ppc_proc_freq; @@ -221,5 +222,19 @@ struct cpu_usage { DECLARE_PER_CPU(struct cpu_usage, cpu_usage_array); +#ifdef CONFIG_VIRT_CPU_ACCOUNTING +extern void account_process_vtime(struct task_struct *tsk); +#else +#define account_process_vtime(tsk) do { } while (0) +#endif + +#if defined(CONFIG_VIRT_CPU_ACCOUNTING) && defined(CONFIG_PPC_SPLPAR) +extern void calculate_steal_time(void); +extern void snapshot_timebases(void); +#else +#define calculate_steal_time() do { } while (0) +#define snapshot_timebases() do { } while (0) +#endif + #endif /* __KERNEL__ */ #endif /* __PPC64_TIME_H */ diff --git a/include/asm-ppc/harrier.h b/include/asm-ppc/harrier.h index 36c73ab7e43..7acd7fc126e 100644 --- a/include/asm-ppc/harrier.h +++ b/include/asm-ppc/harrier.h @@ -1,6 +1,4 @@ /* - * arch/ppc/kernel/harrier.h - * * Definitions for Motorola MCG Harrier North Bridge & Memory controller * * Author: Dale Farnsworth diff --git a/include/asm-ppc/ibm44x.h b/include/asm-ppc/ibm44x.h index f835066fb3c..3acc382cc83 100644 --- a/include/asm-ppc/ibm44x.h +++ b/include/asm-ppc/ibm44x.h @@ -29,7 +29,7 @@ /* TLB entry offset/size used for pinning kernel lowmem */ #define PPC44x_PIN_SHIFT 28 -#define PPC44x_PIN_SIZE (1 << PPC44x_PIN_SHIFT) +#define PPC_PIN_SIZE (1 << PPC44x_PIN_SHIFT) /* Lowest TLB slot consumed by the default pinned TLBs */ #define PPC44x_LOW_SLOT 63 diff --git a/include/asm-ppc/ibm4xx.h b/include/asm-ppc/ibm4xx.h index 6c28ae7807f..38f99710752 100644 --- a/include/asm-ppc/ibm4xx.h +++ b/include/asm-ppc/ibm4xx.h @@ -51,6 +51,10 @@ #include <platforms/4xx/xilinx_ml300.h> #endif +#if defined(CONFIG_XILINX_ML403) +#include <platforms/4xx/xilinx_ml403.h> +#endif + #ifndef __ASSEMBLY__ #ifdef CONFIG_40x diff --git a/include/asm-ppc/io.h b/include/asm-ppc/io.h index df9cf6ed189..b919d8fb7d9 100644 --- a/include/asm-ppc/io.h +++ b/include/asm-ppc/io.h @@ -575,4 +575,11 @@ extern void pci_iounmap(struct pci_dev *dev, void __iomem *); */ #define xlate_dev_kmem_ptr(p) p +/* access ports */ +#define setbits32(_addr, _v) out_be32((_addr), in_be32(_addr) | (_v)) +#define clrbits32(_addr, _v) out_be32((_addr), in_be32(_addr) & ~(_v)) + +#define setbits16(_addr, _v) out_be16((_addr), in_be16(_addr) | (_v)) +#define clrbits16(_addr, _v) out_be16((_addr), in_be16(_addr) & ~(_v)) + #endif /* __KERNEL__ */ diff --git a/include/asm-ppc/mpc10x.h b/include/asm-ppc/mpc10x.h index 77b1e092c20..b30a6a3b5bd 100644 --- a/include/asm-ppc/mpc10x.h +++ b/include/asm-ppc/mpc10x.h @@ -1,6 +1,4 @@ /* - * arch/ppc/kernel/mpc10x.h - * * Common routines for the Motorola SPS MPC106/8240/107 Host bridge/Mem * ctlr/EPIC/etc. * @@ -165,6 +163,7 @@ enum ppc_sys_devices { MPC10X_DMA1, MPC10X_UART0, MPC10X_UART1, + NUM_PPC_SYS_DEVS, }; int mpc10x_bridge_init(struct pci_controller *hose, diff --git a/include/asm-ppc/mpc52xx.h b/include/asm-ppc/mpc52xx.h index a055e0756b9..6167f74635f 100644 --- a/include/asm-ppc/mpc52xx.h +++ b/include/asm-ppc/mpc52xx.h @@ -60,6 +60,7 @@ enum ppc_sys_devices { MPC52xx_ATA, MPC52xx_I2C1, MPC52xx_I2C2, + NUM_PPC_SYS_DEVS, }; diff --git a/include/asm-ppc/mpc8260.h b/include/asm-ppc/mpc8260.h index 32145269503..6ba69a86b9d 100644 --- a/include/asm-ppc/mpc8260.h +++ b/include/asm-ppc/mpc8260.h @@ -83,6 +83,7 @@ enum ppc_sys_devices { MPC82xx_CPM_SMC2, MPC82xx_CPM_USB, MPC82xx_SEC1, + NUM_PPC_SYS_DEVS, }; #ifndef __ASSEMBLY__ diff --git a/include/asm-ppc/mpc83xx.h b/include/asm-ppc/mpc83xx.h index 7cdf60fa69b..3c23fc43bfb 100644 --- a/include/asm-ppc/mpc83xx.h +++ b/include/asm-ppc/mpc83xx.h @@ -108,6 +108,7 @@ enum ppc_sys_devices { MPC83xx_USB2_DR, MPC83xx_USB2_MPH, MPC83xx_MDIO, + NUM_PPC_SYS_DEVS, }; #endif /* CONFIG_83xx */ diff --git a/include/asm-ppc/mpc85xx.h b/include/asm-ppc/mpc85xx.h index c8a96aa44fb..f47002a60ed 100644 --- a/include/asm-ppc/mpc85xx.h +++ b/include/asm-ppc/mpc85xx.h @@ -139,6 +139,7 @@ enum ppc_sys_devices { MPC85xx_eTSEC4, MPC85xx_IIC2, MPC85xx_MDIO, + NUM_PPC_SYS_DEVS, }; /* Internal interrupts are all Level Sensitive, and Positive Polarity */ diff --git a/include/asm-ppc/mpc8xx.h b/include/asm-ppc/mpc8xx.h index 46f159cf589..3515a7fa6c8 100644 --- a/include/asm-ppc/mpc8xx.h +++ b/include/asm-ppc/mpc8xx.h @@ -111,8 +111,11 @@ enum ppc_sys_devices { MPC8xx_CPM_SMC1, MPC8xx_CPM_SMC2, MPC8xx_CPM_USB, + NUM_PPC_SYS_DEVS, }; +#define PPC_PIN_SIZE (24 * 1024 * 1024) /* 24Mbytes of data pinned */ + #ifndef BOARD_CHIP_NAME #define BOARD_CHIP_NAME "" #endif diff --git a/include/asm-ppc/pgtable.h b/include/asm-ppc/pgtable.h index 6d1c39e8a6a..e1c62da12e7 100644 --- a/include/asm-ppc/pgtable.h +++ b/include/asm-ppc/pgtable.h @@ -12,6 +12,7 @@ #include <asm/processor.h> /* For TASK_SIZE */ #include <asm/mmu.h> #include <asm/page.h> +#include <asm/io.h> /* For sub-arch specific PPC_PIN_SIZE */ struct mm_struct; extern unsigned long va_to_phys(unsigned long address); @@ -127,9 +128,8 @@ extern unsigned long ioremap_bot, ioremap_base; * of RAM. -- Cort */ #define VMALLOC_OFFSET (0x1000000) /* 16M */ -#ifdef CONFIG_44x -#include <asm/ibm44x.h> -#define VMALLOC_START (((_ALIGN((long)high_memory, PPC44x_PIN_SIZE) + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))) +#ifdef PPC_PIN_SIZE +#define VMALLOC_START (((_ALIGN((long)high_memory, PPC_PIN_SIZE) + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))) #else #define VMALLOC_START ((((long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1))) #endif diff --git a/include/asm-ppc/ppc_sys.h b/include/asm-ppc/ppc_sys.h index 83d8c77c124..4b94f7059eb 100644 --- a/include/asm-ppc/ppc_sys.h +++ b/include/asm-ppc/ppc_sys.h @@ -33,6 +33,8 @@ #include <asm/mpc52xx.h> #elif defined(CONFIG_MPC10X_BRIDGE) #include <asm/mpc10x.h> +#elif defined(CONFIG_XILINX_VIRTEX) +#include <platforms/4xx/virtex.h> #else #error "need definition of ppc_sys_devices" #endif @@ -44,9 +46,26 @@ struct ppc_sys_spec { u32 value; u32 num_devices; char *ppc_sys_name; + u8 config[NUM_PPC_SYS_DEVS]; enum ppc_sys_devices *device_list; }; +struct platform_notify_dev_map { + const char *bus_id; + void (*rtn)(struct platform_device * pdev, int idx); +}; + +enum platform_device_func { + PPC_SYS_FUNC_DUMMY = 0, + PPC_SYS_FUNC_ETH = 1, + PPC_SYS_FUNC_UART = 2, + PPC_SYS_FUNC_HLDC = 3, + PPC_SYS_FUNC_USB = 4, + PPC_SYS_FUNC_IRDA = 5, +}; + +#define PPC_SYS_CONFIG_DISABLED 1 + /* describes all specific chips and which devices they have on them */ extern struct ppc_sys_spec ppc_sys_specs[]; extern struct ppc_sys_spec *cur_ppc_sys_spec; @@ -72,5 +91,20 @@ extern void *ppc_sys_get_pdata(enum ppc_sys_devices dev) __init; /* remove a device from the system */ extern void ppc_sys_device_remove(enum ppc_sys_devices dev); +/* Function assignment stuff */ +void ppc_sys_device_initfunc(void); +void ppc_sys_device_setfunc(enum ppc_sys_devices dev, + enum platform_device_func func); +void ppc_sys_device_set_func_all(enum platform_device_func func); + +void platform_notify_map(const struct platform_notify_dev_map *map, + struct device *dev); + +/* Enable / disable stuff */ +void ppc_sys_device_disable(enum ppc_sys_devices dev); +void ppc_sys_device_enable(enum ppc_sys_devices dev); +void ppc_sys_device_enable_all(void); +void ppc_sys_device_disable_all(void); + #endif /* __ASM_PPC_SYS_H */ #endif /* __KERNEL__ */ diff --git a/include/asm-ppc/time.h b/include/asm-ppc/time.h index 321fb75b5f2..c86112323c9 100644 --- a/include/asm-ppc/time.h +++ b/include/asm-ppc/time.h @@ -153,5 +153,10 @@ extern __inline__ unsigned binary_tbl(void) { ({unsigned z; asm ("mulhwu %0,%1,%2" : "=r" (z) : "r" (x), "r" (y)); z;}) unsigned mulhwu_scale_factor(unsigned, unsigned); + +#define account_process_vtime(tsk) do { } while (0) +#define calculate_steal_time() do { } while (0) +#define snapshot_timebases() do { } while (0) + #endif /* __ASM_TIME_H__ */ #endif /* __KERNEL__ */ diff --git a/include/asm-ppc/todc.h b/include/asm-ppc/todc.h index 84bae7d7681..937c7dbe6e5 100644 --- a/include/asm-ppc/todc.h +++ b/include/asm-ppc/todc.h @@ -1,6 +1,4 @@ /* - * include/asm-ppc/todc.h - * * Definitions for the M48Txx and mc146818 series of Time of day/Real Time * Clock chips. * diff --git a/include/asm-ppc/xparameters.h b/include/asm-ppc/xparameters.h deleted file mode 100644 index fe4eac62913..00000000000 --- a/include/asm-ppc/xparameters.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * include/asm-ppc/xparameters.h - * - * This file includes the correct xparameters.h for the CONFIG'ed board - * - * Author: MontaVista Software, Inc. - * source@mvista.com - * - * 2004 (c) MontaVista Software, Inc. This file is licensed under the terms - * of the GNU General Public License version 2. This program is licensed - * "as is" without any warranty of any kind, whether express or implied. - */ - -#include <linux/config.h> - -#if defined(CONFIG_XILINX_ML300) -#include <platforms/4xx/xparameters/xparameters_ml300.h> -#endif diff --git a/include/asm-s390/atomic.h b/include/asm-s390/atomic.h index be6fefe223d..de1d9926aa6 100644 --- a/include/asm-s390/atomic.h +++ b/include/asm-s390/atomic.h @@ -89,10 +89,15 @@ static __inline__ int atomic_cmpxchg(atomic_t *v, int old, int new) static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) { int c, old; - c = atomic_read(v); - while (c != u && (old = atomic_cmpxchg(v, c, c + a)) != c) + for (;;) { + if (unlikely(c == u)) + break; + old = atomic_cmpxchg(v, c, c + a); + if (likely(old == c)) + break; c = old; + } return c != u; } @@ -167,10 +172,15 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long long a, long long u) { long long c, old; - c = atomic64_read(v); - while (c != u && (old = atomic64_cmpxchg(v, c, c + a)) != c) + for (;;) { + if (unlikely(c == u)) + break; + old = atomic64_cmpxchg(v, c, c + a); + if (likely(old == c)) + break; c = old; + } return c != u; } diff --git a/include/asm-s390/bug.h b/include/asm-s390/bug.h index a2e7430aafa..7ddaa05b98d 100644 --- a/include/asm-s390/bug.h +++ b/include/asm-s390/bug.h @@ -4,9 +4,10 @@ #include <linux/kernel.h> #ifdef CONFIG_BUG + #define BUG() do { \ - printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \ - __asm__ __volatile__(".long 0"); \ + printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \ + __builtin_trap(); \ } while (0) #define HAVE_ARCH_BUG diff --git a/include/asm-s390/percpu.h b/include/asm-s390/percpu.h index 123fcaca295..e10ed87094f 100644 --- a/include/asm-s390/percpu.h +++ b/include/asm-s390/percpu.h @@ -46,10 +46,9 @@ extern unsigned long __per_cpu_offset[NR_CPUS]; #define percpu_modcopy(pcpudst, src, size) \ do { \ unsigned int __i; \ - for (__i = 0; __i < NR_CPUS; __i++) \ - if (cpu_possible(__i)) \ - memcpy((pcpudst)+__per_cpu_offset[__i], \ - (src), (size)); \ + for_each_cpu(__i) \ + memcpy((pcpudst)+__per_cpu_offset[__i], \ + (src), (size)); \ } while (0) #else /* ! SMP */ diff --git a/include/asm-sh/io.h b/include/asm-sh/io.h index b0b2937b6f8..2c3afe71323 100644 --- a/include/asm-sh/io.h +++ b/include/asm-sh/io.h @@ -174,20 +174,6 @@ static inline void __set_io_port_base(unsigned long pbase) generic_io_base = pbase; } -#define isa_readb(a) readb(ioport_map(a, 1)) -#define isa_readw(a) readw(ioport_map(a, 2)) -#define isa_readl(a) readl(ioport_map(a, 4)) -#define isa_writeb(b,a) writeb(b,ioport_map(a, 1)) -#define isa_writew(w,a) writew(w,ioport_map(a, 2)) -#define isa_writel(l,a) writel(l,ioport_map(a, 4)) - -#define isa_memset_io(a,b,c) \ - memset((void *)(ioport_map((unsigned long)(a), 1)),(b),(c)) -#define isa_memcpy_fromio(a,b,c) \ - memcpy((a),(void *)(ioport_map((unsigned long)(b), 1)),(c)) -#define isa_memcpy_toio(a,b,c) \ - memcpy((void *)(ioport_map((unsigned long)(a), 1)),(b),(c)) - /* We really want to try and get these to memcpy etc */ extern void memcpy_fromio(void *, volatile void __iomem *, unsigned long); extern void memcpy_toio(volatile void __iomem *, const void *, unsigned long); diff --git a/include/asm-sparc64/atomic.h b/include/asm-sparc64/atomic.h index 25256bdc8aa..468eb48d814 100644 --- a/include/asm-sparc64/atomic.h +++ b/include/asm-sparc64/atomic.h @@ -78,9 +78,15 @@ extern int atomic64_sub_ret(int, atomic64_t *); ({ \ int c, old; \ c = atomic_read(v); \ - while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ + for (;;) { \ + if (unlikely(c == (u))) \ + break; \ + old = atomic_cmpxchg((v), c, c + (a)); \ + if (likely(old == c)) \ + break; \ c = old; \ - c != (u); \ + } \ + likely(c != (u)); \ }) #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) diff --git a/include/asm-sparc64/cache.h b/include/asm-sparc64/cache.h index f7d35a2ae9b..e9df17acedd 100644 --- a/include/asm-sparc64/cache.h +++ b/include/asm-sparc64/cache.h @@ -13,4 +13,6 @@ #define SMP_CACHE_BYTES_SHIFT 6 #define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT) /* L2 cache line size. */ +#define __read_mostly __attribute__((__section__(".data.read_mostly"))) + #endif diff --git a/include/asm-sparc64/percpu.h b/include/asm-sparc64/percpu.h index aea4e51e7cd..82032e159a7 100644 --- a/include/asm-sparc64/percpu.h +++ b/include/asm-sparc64/percpu.h @@ -26,10 +26,9 @@ register unsigned long __local_per_cpu_offset asm("g5"); #define percpu_modcopy(pcpudst, src, size) \ do { \ unsigned int __i; \ - for (__i = 0; __i < NR_CPUS; __i++) \ - if (cpu_possible(__i)) \ - memcpy((pcpudst)+__per_cpu_offset(__i), \ - (src), (size)); \ + for_each_cpu(__i) \ + memcpy((pcpudst)+__per_cpu_offset(__i), \ + (src), (size)); \ } while (0) #else /* ! SMP */ diff --git a/include/asm-um/alternative.h b/include/asm-um/alternative.h new file mode 100644 index 00000000000..b6434396bd4 --- /dev/null +++ b/include/asm-um/alternative.h @@ -0,0 +1,6 @@ +#ifndef __UM_ALTERNATIVE_H +#define __UM_ALTERNATIVE_H + +#include "asm/arch/alternative.h" + +#endif diff --git a/include/asm-v850/linkage.h b/include/asm-v850/linkage.h index 291c2d01c44..b6185d3cfe6 100644 --- a/include/asm-v850/linkage.h +++ b/include/asm-v850/linkage.h @@ -1,6 +1,8 @@ #ifndef __ASM_LINKAGE_H #define __ASM_LINKAGE_H -/* Nothing to see here... */ +#ifdef __ASSEMBLY__ +#include <asm/asm.h> +#endif #endif diff --git a/include/asm-x86_64/atomic.h b/include/asm-x86_64/atomic.h index 4b5cd553e77..cecbf7baa6a 100644 --- a/include/asm-x86_64/atomic.h +++ b/include/asm-x86_64/atomic.h @@ -405,8 +405,14 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t *v) ({ \ int c, old; \ c = atomic_read(v); \ - while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ + for (;;) { \ + if (unlikely(c == (u))) \ + break; \ + old = atomic_cmpxchg((v), c, c + (a)); \ + if (likely(old == c)) \ + break; \ c = old; \ + } \ c != (u); \ }) #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) diff --git a/include/asm-x86_64/cache.h b/include/asm-x86_64/cache.h index 263f0a211ed..c8043a16152 100644 --- a/include/asm-x86_64/cache.h +++ b/include/asm-x86_64/cache.h @@ -20,6 +20,8 @@ __attribute__((__section__(".data.page_aligned"))) #endif +#define __read_mostly __attribute__((__section__(".data.read_mostly"))) + #endif #endif diff --git a/include/asm-x86_64/io.h b/include/asm-x86_64/io.h index 9dac18db829..a85fe837082 100644 --- a/include/asm-x86_64/io.h +++ b/include/asm-x86_64/io.h @@ -269,23 +269,11 @@ void memset_io(volatile void __iomem *a, int b, size_t c); */ #define __ISA_IO_base ((char __iomem *)(PAGE_OFFSET)) -#define isa_readb(a) readb(__ISA_IO_base + (a)) -#define isa_readw(a) readw(__ISA_IO_base + (a)) -#define isa_readl(a) readl(__ISA_IO_base + (a)) -#define isa_writeb(b,a) writeb(b,__ISA_IO_base + (a)) -#define isa_writew(w,a) writew(w,__ISA_IO_base + (a)) -#define isa_writel(l,a) writel(l,__ISA_IO_base + (a)) -#define isa_memset_io(a,b,c) memset_io(__ISA_IO_base + (a),(b),(c)) -#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a),__ISA_IO_base + (b),(c)) -#define isa_memcpy_toio(a,b,c) memcpy_toio(__ISA_IO_base + (a),(b),(c)) - - /* * Again, x86-64 does not require mem IO specific function. */ #define eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(void *)(b),(c),(d)) -#define isa_eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(void *)(__ISA_IO_base + (b)),(c),(d)) /** * check_signature - find BIOS signatures diff --git a/include/asm-x86_64/mmu_context.h b/include/asm-x86_64/mmu_context.h index 16e4be4de0c..19f0c83d079 100644 --- a/include/asm-x86_64/mmu_context.h +++ b/include/asm-x86_64/mmu_context.h @@ -34,12 +34,12 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, unsigned cpu = smp_processor_id(); if (likely(prev != next)) { /* stop flush ipis for the previous mm */ - clear_bit(cpu, &prev->cpu_vm_mask); + cpu_clear(cpu, prev->cpu_vm_mask); #ifdef CONFIG_SMP write_pda(mmu_state, TLBSTATE_OK); write_pda(active_mm, next); #endif - set_bit(cpu, &next->cpu_vm_mask); + cpu_set(cpu, next->cpu_vm_mask); load_cr3(next->pgd); if (unlikely(next->context.ldt != prev->context.ldt)) @@ -50,7 +50,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, write_pda(mmu_state, TLBSTATE_OK); if (read_pda(active_mm) != next) out_of_line_bug(); - if(!test_and_set_bit(cpu, &next->cpu_vm_mask)) { + if (!cpu_test_and_set(cpu, next->cpu_vm_mask)) { /* We were in lazy tlb mode and leave_mm disabled * tlb flush IPI delivery. We must reload CR3 * to make sure to use no freed page tables. diff --git a/include/asm-x86_64/percpu.h b/include/asm-x86_64/percpu.h index 29a6b0408f7..4405b4adeab 100644 --- a/include/asm-x86_64/percpu.h +++ b/include/asm-x86_64/percpu.h @@ -26,10 +26,9 @@ #define percpu_modcopy(pcpudst, src, size) \ do { \ unsigned int __i; \ - for (__i = 0; __i < NR_CPUS; __i++) \ - if (cpu_possible(__i)) \ - memcpy((pcpudst)+__per_cpu_offset(__i), \ - (src), (size)); \ + for_each_cpu(__i) \ + memcpy((pcpudst)+__per_cpu_offset(__i), \ + (src), (size)); \ } while (0) extern void setup_per_cpu_areas(void); diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h index a617d364d08..def90328719 100644 --- a/include/asm-x86_64/pgtable.h +++ b/include/asm-x86_64/pgtable.h @@ -293,19 +293,19 @@ static inline int ptep_test_and_clear_dirty(struct vm_area_struct *vma, unsigned { if (!pte_dirty(*ptep)) return 0; - return test_and_clear_bit(_PAGE_BIT_DIRTY, ptep); + return test_and_clear_bit(_PAGE_BIT_DIRTY, &ptep->pte); } static inline int ptep_test_and_clear_young(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { if (!pte_young(*ptep)) return 0; - return test_and_clear_bit(_PAGE_BIT_ACCESSED, ptep); + return test_and_clear_bit(_PAGE_BIT_ACCESSED, &ptep->pte); } static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { - clear_bit(_PAGE_BIT_RW, ptep); + clear_bit(_PAGE_BIT_RW, &ptep->pte); } /* diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 7d8ff97b3e9..d9ed2796985 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -46,6 +46,9 @@ * bitmap_parse(ubuf, ulen, dst, nbits) Parse bitmap dst from user buf * bitmap_scnlistprintf(buf, len, src, nbits) Print bitmap src as list to buf * bitmap_parselist(buf, dst, nbits) Parse bitmap dst from list + * bitmap_find_free_region(bitmap, bits, order) Find and allocate bit region + * bitmap_release_region(bitmap, pos, order) Free specified bit region + * bitmap_allocate_region(bitmap, pos, order) Allocate specified bit region */ /* diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 56bb6a4e15f..c179966f1a2 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -22,6 +22,7 @@ typedef struct request_queue request_queue_t; struct elevator_queue; typedef struct elevator_queue elevator_t; struct request_pm_state; +struct blk_trace; #define BLKDEV_MIN_RQ 4 #define BLKDEV_MAX_RQ 128 /* Default maximum */ @@ -416,6 +417,8 @@ struct request_queue unsigned int sg_reserved_size; int node; + struct blk_trace *blk_trace; + /* * reserved for flush operations */ diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h new file mode 100644 index 00000000000..b34d3e73d5e --- /dev/null +++ b/include/linux/blktrace_api.h @@ -0,0 +1,277 @@ +#ifndef BLKTRACE_H +#define BLKTRACE_H + +#include <linux/config.h> +#include <linux/blkdev.h> +#include <linux/relay.h> + +/* + * Trace categories + */ +enum blktrace_cat { + BLK_TC_READ = 1 << 0, /* reads */ + BLK_TC_WRITE = 1 << 1, /* writes */ + BLK_TC_BARRIER = 1 << 2, /* barrier */ + BLK_TC_SYNC = 1 << 3, /* barrier */ + BLK_TC_QUEUE = 1 << 4, /* queueing/merging */ + BLK_TC_REQUEUE = 1 << 5, /* requeueing */ + BLK_TC_ISSUE = 1 << 6, /* issue */ + BLK_TC_COMPLETE = 1 << 7, /* completions */ + BLK_TC_FS = 1 << 8, /* fs requests */ + BLK_TC_PC = 1 << 9, /* pc requests */ + BLK_TC_NOTIFY = 1 << 10, /* special message */ + + BLK_TC_END = 1 << 15, /* only 16-bits, reminder */ +}; + +#define BLK_TC_SHIFT (16) +#define BLK_TC_ACT(act) ((act) << BLK_TC_SHIFT) + +/* + * Basic trace actions + */ +enum blktrace_act { + __BLK_TA_QUEUE = 1, /* queued */ + __BLK_TA_BACKMERGE, /* back merged to existing rq */ + __BLK_TA_FRONTMERGE, /* front merge to existing rq */ + __BLK_TA_GETRQ, /* allocated new request */ + __BLK_TA_SLEEPRQ, /* sleeping on rq allocation */ + __BLK_TA_REQUEUE, /* request requeued */ + __BLK_TA_ISSUE, /* sent to driver */ + __BLK_TA_COMPLETE, /* completed by driver */ + __BLK_TA_PLUG, /* queue was plugged */ + __BLK_TA_UNPLUG_IO, /* queue was unplugged by io */ + __BLK_TA_UNPLUG_TIMER, /* queue was unplugged by timer */ + __BLK_TA_INSERT, /* insert request */ + __BLK_TA_SPLIT, /* bio was split */ + __BLK_TA_BOUNCE, /* bio was bounced */ + __BLK_TA_REMAP, /* bio was remapped */ +}; + +/* + * Trace actions in full. Additionally, read or write is masked + */ +#define BLK_TA_QUEUE (__BLK_TA_QUEUE | BLK_TC_ACT(BLK_TC_QUEUE)) +#define BLK_TA_BACKMERGE (__BLK_TA_BACKMERGE | BLK_TC_ACT(BLK_TC_QUEUE)) +#define BLK_TA_FRONTMERGE (__BLK_TA_FRONTMERGE | BLK_TC_ACT(BLK_TC_QUEUE)) +#define BLK_TA_GETRQ (__BLK_TA_GETRQ | BLK_TC_ACT(BLK_TC_QUEUE)) +#define BLK_TA_SLEEPRQ (__BLK_TA_SLEEPRQ | BLK_TC_ACT(BLK_TC_QUEUE)) +#define BLK_TA_REQUEUE (__BLK_TA_REQUEUE | BLK_TC_ACT(BLK_TC_REQUEUE)) +#define BLK_TA_ISSUE (__BLK_TA_ISSUE | BLK_TC_ACT(BLK_TC_ISSUE)) +#define BLK_TA_COMPLETE (__BLK_TA_COMPLETE| BLK_TC_ACT(BLK_TC_COMPLETE)) +#define BLK_TA_PLUG (__BLK_TA_PLUG | BLK_TC_ACT(BLK_TC_QUEUE)) +#define BLK_TA_UNPLUG_IO (__BLK_TA_UNPLUG_IO | BLK_TC_ACT(BLK_TC_QUEUE)) +#define BLK_TA_UNPLUG_TIMER (__BLK_TA_UNPLUG_TIMER | BLK_TC_ACT(BLK_TC_QUEUE)) +#define BLK_TA_INSERT (__BLK_TA_INSERT | BLK_TC_ACT(BLK_TC_QUEUE)) +#define BLK_TA_SPLIT (__BLK_TA_SPLIT) +#define BLK_TA_BOUNCE (__BLK_TA_BOUNCE) +#define BLK_TA_REMAP (__BLK_TA_REMAP | BLK_TC_ACT(BLK_TC_QUEUE)) + +#define BLK_IO_TRACE_MAGIC 0x65617400 +#define BLK_IO_TRACE_VERSION 0x07 + +/* + * The trace itself + */ +struct blk_io_trace { + u32 magic; /* MAGIC << 8 | version */ + u32 sequence; /* event number */ + u64 time; /* in microseconds */ + u64 sector; /* disk offset */ + u32 bytes; /* transfer length */ + u32 action; /* what happened */ + u32 pid; /* who did it */ + u32 device; /* device number */ + u32 cpu; /* on what cpu did it happen */ + u16 error; /* completion error */ + u16 pdu_len; /* length of data after this trace */ +}; + +/* + * The remap event + */ +struct blk_io_trace_remap { + u32 device; + u32 __pad; + u64 sector; +}; + +enum { + Blktrace_setup = 1, + Blktrace_running, + Blktrace_stopped, +}; + +struct blk_trace { + int trace_state; + struct rchan *rchan; + unsigned long *sequence; + u16 act_mask; + u64 start_lba; + u64 end_lba; + u32 pid; + u32 dev; + struct dentry *dir; + struct dentry *dropped_file; + atomic_t dropped; +}; + +/* + * User setup structure passed with BLKTRACESTART + */ +struct blk_user_trace_setup { + char name[BDEVNAME_SIZE]; /* output */ + u16 act_mask; /* input */ + u32 buf_size; /* input */ + u32 buf_nr; /* input */ + u64 start_lba; + u64 end_lba; + u32 pid; +}; + +#if defined(CONFIG_BLK_DEV_IO_TRACE) +extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *); +extern void blk_trace_shutdown(request_queue_t *); +extern void __blk_add_trace(struct blk_trace *, sector_t, int, int, u32, int, int, void *); + +/** + * blk_add_trace_rq - Add a trace for a request oriented action + * @q: queue the io is for + * @rq: the source request + * @what: the action + * + * Description: + * Records an action against a request. Will log the bio offset + size. + * + **/ +static inline void blk_add_trace_rq(struct request_queue *q, struct request *rq, + u32 what) +{ + struct blk_trace *bt = q->blk_trace; + int rw = rq->flags & 0x07; + + if (likely(!bt)) + return; + + if (blk_pc_request(rq)) { + what |= BLK_TC_ACT(BLK_TC_PC); + __blk_add_trace(bt, 0, rq->data_len, rw, what, rq->errors, sizeof(rq->cmd), rq->cmd); + } else { + what |= BLK_TC_ACT(BLK_TC_FS); + __blk_add_trace(bt, rq->hard_sector, rq->hard_nr_sectors << 9, rw, what, rq->errors, 0, NULL); + } +} + +/** + * blk_add_trace_bio - Add a trace for a bio oriented action + * @q: queue the io is for + * @bio: the source bio + * @what: the action + * + * Description: + * Records an action against a bio. Will log the bio offset + size. + * + **/ +static inline void blk_add_trace_bio(struct request_queue *q, struct bio *bio, + u32 what) +{ + struct blk_trace *bt = q->blk_trace; + + if (likely(!bt)) + return; + + __blk_add_trace(bt, bio->bi_sector, bio->bi_size, bio->bi_rw, what, !bio_flagged(bio, BIO_UPTODATE), 0, NULL); +} + +/** + * blk_add_trace_generic - Add a trace for a generic action + * @q: queue the io is for + * @bio: the source bio + * @rw: the data direction + * @what: the action + * + * Description: + * Records a simple trace + * + **/ +static inline void blk_add_trace_generic(struct request_queue *q, + struct bio *bio, int rw, u32 what) +{ + struct blk_trace *bt = q->blk_trace; + + if (likely(!bt)) + return; + + if (bio) + blk_add_trace_bio(q, bio, what); + else + __blk_add_trace(bt, 0, 0, rw, what, 0, 0, NULL); +} + +/** + * blk_add_trace_pdu_int - Add a trace for a bio with an integer payload + * @q: queue the io is for + * @what: the action + * @bio: the source bio + * @pdu: the integer payload + * + * Description: + * Adds a trace with some integer payload. This might be an unplug + * option given as the action, with the depth at unplug time given + * as the payload + * + **/ +static inline void blk_add_trace_pdu_int(struct request_queue *q, u32 what, + struct bio *bio, unsigned int pdu) +{ + struct blk_trace *bt = q->blk_trace; + u64 rpdu = cpu_to_be64(pdu); + + if (likely(!bt)) + return; + + if (bio) + __blk_add_trace(bt, bio->bi_sector, bio->bi_size, bio->bi_rw, what, !bio_flagged(bio, BIO_UPTODATE), sizeof(rpdu), &rpdu); + else + __blk_add_trace(bt, 0, 0, 0, what, 0, sizeof(rpdu), &rpdu); +} + +/** + * blk_add_trace_remap - Add a trace for a remap operation + * @q: queue the io is for + * @bio: the source bio + * @dev: target device + * @from: source sector + * @to: target sector + * + * Description: + * Device mapper or raid target sometimes need to split a bio because + * it spans a stripe (or similar). Add a trace for that action. + * + **/ +static inline void blk_add_trace_remap(struct request_queue *q, struct bio *bio, + dev_t dev, sector_t from, sector_t to) +{ + struct blk_trace *bt = q->blk_trace; + struct blk_io_trace_remap r; + + if (likely(!bt)) + return; + + r.device = cpu_to_be32(dev); + r.sector = cpu_to_be64(to); + + __blk_add_trace(bt, from, bio->bi_size, bio->bi_rw, BLK_TA_REMAP, !bio_flagged(bio, BIO_UPTODATE), sizeof(r), &r); +} + +#else /* !CONFIG_BLK_DEV_IO_TRACE */ +#define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY) +#define blk_trace_shutdown(q) do { } while (0) +#define blk_add_trace_rq(q, rq, what) do { } while (0) +#define blk_add_trace_bio(q, rq, what) do { } while (0) +#define blk_add_trace_generic(q, rq, rw, what) do { } while (0) +#define blk_add_trace_pdu_int(q, what, bio, pdu) do { } while (0) +#define blk_add_trace_remap(q, bio, dev, f, t) do {} while (0) +#endif /* CONFIG_BLK_DEV_IO_TRACE */ + +#endif diff --git a/include/linux/cache.h b/include/linux/cache.h index d22e632f41f..cc4b3aafad9 100644 --- a/include/linux/cache.h +++ b/include/linux/cache.h @@ -13,9 +13,7 @@ #define SMP_CACHE_BYTES L1_CACHE_BYTES #endif -#if defined(CONFIG_X86) || defined(CONFIG_SPARC64) || defined(CONFIG_IA64) || defined(CONFIG_PARISC) -#define __read_mostly __attribute__((__section__(".data.read_mostly"))) -#else +#ifndef __read_mostly #define __read_mostly #endif diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h index b68fdf1f315..3c9b0bc0512 100644 --- a/include/linux/cdrom.h +++ b/include/linux/cdrom.h @@ -378,7 +378,6 @@ struct cdrom_generic_command #define CDC_MEDIA_CHANGED 0x80 /* media changed */ #define CDC_PLAY_AUDIO 0x100 /* audio functions */ #define CDC_RESET 0x200 /* hard reset device */ -#define CDC_IOCTLS 0x400 /* driver has non-standard ioctls */ #define CDC_DRIVE_STATUS 0x800 /* driver implements drive status */ #define CDC_GENERIC_PACKET 0x1000 /* driver implements generic packets */ #define CDC_CD_R 0x2000 /* drive is a CD-R */ @@ -974,9 +973,7 @@ struct cdrom_device_ops { int (*reset) (struct cdrom_device_info *); /* play stuff */ int (*audio_ioctl) (struct cdrom_device_info *,unsigned int, void *); - /* dev-specific */ - int (*dev_ioctl) (struct cdrom_device_info *, - unsigned int, unsigned long); + /* driver specifications */ const int capability; /* capability flags */ int n_minors; /* number of active minor devices */ diff --git a/include/linux/compat_ioctl.h b/include/linux/compat_ioctl.h index ae7dfb790df..efb518f16bb 100644 --- a/include/linux/compat_ioctl.h +++ b/include/linux/compat_ioctl.h @@ -97,6 +97,10 @@ COMPATIBLE_IOCTL(BLKRRPART) COMPATIBLE_IOCTL(BLKFLSBUF) COMPATIBLE_IOCTL(BLKSECTSET) COMPATIBLE_IOCTL(BLKSSZGET) +COMPATIBLE_IOCTL(BLKTRACESTART) +COMPATIBLE_IOCTL(BLKTRACESTOP) +COMPATIBLE_IOCTL(BLKTRACESETUP) +COMPATIBLE_IOCTL(BLKTRACETEARDOWN) ULONG_IOCTL(BLKRASET) ULONG_IOCTL(BLKFRASET) /* RAID */ diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index 3bc60692711..9354722a921 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -4,7 +4,7 @@ * cpuset interface * * Copyright (C) 2003 BULL SA - * Copyright (C) 2004 Silicon Graphics, Inc. + * Copyright (C) 2004-2006 Silicon Graphics, Inc. * */ @@ -51,6 +51,18 @@ extern char *cpuset_task_status_allowed(struct task_struct *task, char *buffer); extern void cpuset_lock(void); extern void cpuset_unlock(void); +extern int cpuset_mem_spread_node(void); + +static inline int cpuset_do_page_mem_spread(void) +{ + return current->flags & PF_SPREAD_PAGE; +} + +static inline int cpuset_do_slab_mem_spread(void) +{ + return current->flags & PF_SPREAD_SLAB; +} + #else /* !CONFIG_CPUSETS */ static inline int cpuset_init_early(void) { return 0; } @@ -99,6 +111,21 @@ static inline char *cpuset_task_status_allowed(struct task_struct *task, static inline void cpuset_lock(void) {} static inline void cpuset_unlock(void) {} +static inline int cpuset_mem_spread_node(void) +{ + return 0; +} + +static inline int cpuset_do_page_mem_spread(void) +{ + return 0; +} + +static inline int cpuset_do_slab_mem_spread(void) +{ + return 0; +} + #endif /* !CONFIG_CPUSETS */ #endif /* _LINUX_CPUSET_H */ diff --git a/include/linux/eventpoll.h b/include/linux/eventpoll.h index 1289f0ec4c0..1e4bdfcf83a 100644 --- a/include/linux/eventpoll.h +++ b/include/linux/eventpoll.h @@ -52,7 +52,12 @@ struct file; #ifdef CONFIG_EPOLL /* Used to initialize the epoll bits inside the "struct file" */ -void eventpoll_init_file(struct file *file); +static inline void eventpoll_init_file(struct file *file) +{ + INIT_LIST_HEAD(&file->f_ep_links); + spin_lock_init(&file->f_ep_lock); +} + /* Used to release the epoll bits inside the "struct file" */ void eventpoll_release_file(struct file *file); @@ -85,7 +90,6 @@ static inline void eventpoll_release(struct file *file) eventpoll_release_file(file); } - #else static inline void eventpoll_init_file(struct file *file) {} diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index c0272d73ab2..e7239f2f97a 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -772,9 +772,12 @@ extern unsigned long ext3_count_free (struct buffer_head *, unsigned); /* inode.c */ -extern int ext3_forget(handle_t *, int, struct inode *, struct buffer_head *, int); -extern struct buffer_head * ext3_getblk (handle_t *, struct inode *, long, int, int *); -extern struct buffer_head * ext3_bread (handle_t *, struct inode *, int, int, int *); +int ext3_forget(handle_t *, int, struct inode *, struct buffer_head *, int); +struct buffer_head * ext3_getblk (handle_t *, struct inode *, long, int, int *); +struct buffer_head * ext3_bread (handle_t *, struct inode *, int, int, int *); +int ext3_get_block_handle(handle_t *handle, struct inode *inode, + sector_t iblock, struct buffer_head *bh_result, int create, + int extend_disksize); extern void ext3_read_inode (struct inode *); extern int ext3_write_inode (struct inode *, int); diff --git a/include/linux/ext3_fs_i.h b/include/linux/ext3_fs_i.h index e71dd98dbca..7abf9014718 100644 --- a/include/linux/ext3_fs_i.h +++ b/include/linux/ext3_fs_i.h @@ -19,6 +19,7 @@ #include <linux/rwsem.h> #include <linux/rbtree.h> #include <linux/seqlock.h> +#include <linux/mutex.h> struct ext3_reserve_window { __u32 _rsv_start; /* First byte reserved */ @@ -122,16 +123,16 @@ struct ext3_inode_info { __u16 i_extra_isize; /* - * truncate_sem is for serialising ext3_truncate() against + * truncate_mutex is for serialising ext3_truncate() against * ext3_getblock(). In the 2.4 ext2 design, great chunks of inode's * data tree are chopped off during truncate. We can't do that in * ext3 because whenever we perform intermediate commits during * truncate, the inode and all the metadata blocks *must* be in a * consistent state which allows truncation of the orphans to restart * during recovery. Hence we must fix the get_block-vs-truncate race - * by other means, so we have truncate_sem. + * by other means, so we have truncate_mutex. */ - struct semaphore truncate_sem; + struct mutex truncate_mutex; struct inode vfs_inode; }; diff --git a/include/linux/fadvise.h b/include/linux/fadvise.h index e8e747139b9..b2913bba35d 100644 --- a/include/linux/fadvise.h +++ b/include/linux/fadvise.h @@ -18,4 +18,10 @@ #define POSIX_FADV_NOREUSE 5 /* Data will be accessed once. */ #endif +/* + * Linux-specific fadvise() extensions: + */ +#define LINUX_FADV_ASYNC_WRITE 32 /* Start writeout on range */ +#define LINUX_FADV_WRITE_WAIT 33 /* Wait upon writeout to range */ + #endif /* FADVISE_H_INCLUDED */ diff --git a/include/linux/file.h b/include/linux/file.h index 9901b850f2e..9f7c2513866 100644 --- a/include/linux/file.h +++ b/include/linux/file.h @@ -10,6 +10,7 @@ #include <linux/compiler.h> #include <linux/spinlock.h> #include <linux/rcupdate.h> +#include <linux/types.h> /* * The default fd array needs to be at least BITS_PER_LONG, @@ -17,10 +18,22 @@ */ #define NR_OPEN_DEFAULT BITS_PER_LONG +/* + * The embedded_fd_set is a small fd_set, + * suitable for most tasks (which open <= BITS_PER_LONG files) + */ +struct embedded_fd_set { + unsigned long fds_bits[1]; +}; + +/* + * More than this number of fds: we use a separately allocated fd_set + */ +#define EMBEDDED_FD_SET_SIZE (BITS_PER_BYTE * sizeof(struct embedded_fd_set)) + struct fdtable { unsigned int max_fds; int max_fdset; - int next_fd; struct file ** fd; /* current fd array */ fd_set *close_on_exec; fd_set *open_fds; @@ -33,13 +46,20 @@ struct fdtable { * Open file table structure */ struct files_struct { + /* + * read mostly part + */ atomic_t count; struct fdtable *fdt; struct fdtable fdtab; - fd_set close_on_exec_init; - fd_set open_fds_init; + /* + * written part on a separate cache line in SMP + */ + spinlock_t file_lock ____cacheline_aligned_in_smp; + int next_fd; + struct embedded_fd_set close_on_exec_init; + struct embedded_fd_set open_fds_init; struct file * fd_array[NR_OPEN_DEFAULT]; - spinlock_t file_lock; /* Protects concurrent writers. Nests inside tsk->alloc_lock */ }; #define files_fdtable(files) (rcu_dereference((files)->fdt)) diff --git a/include/linux/fs.h b/include/linux/fs.h index 128d0082522..215696a0f16 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -103,7 +103,9 @@ extern int dir_notify_enable; #define MS_BIND 4096 #define MS_MOVE 8192 #define MS_REC 16384 -#define MS_VERBOSE 32768 +#define MS_VERBOSE 32768 /* War is peace. Verbosity is silence. + MS_VERBOSE is deprecated. */ +#define MS_SILENT 32768 #define MS_POSIXACL (1<<16) /* VFS does not apply the umask */ #define MS_UNBINDABLE (1<<17) /* change to unbindable */ #define MS_PRIVATE (1<<18) /* change to private */ @@ -197,6 +199,10 @@ extern int dir_notify_enable; #define BLKBSZGET _IOR(0x12,112,size_t) #define BLKBSZSET _IOW(0x12,113,size_t) #define BLKGETSIZE64 _IOR(0x12,114,size_t) /* return device size in bytes (u64 *arg) */ +#define BLKTRACESETUP _IOWR(0x12,115,struct blk_user_trace_setup) +#define BLKTRACESTART _IO(0x12,116) +#define BLKTRACESTOP _IO(0x12,117) +#define BLKTRACETEARDOWN _IO(0x12,118) #define BMAP_IOCTL 1 /* obsolete - kept for compatibility */ #define FIBMAP _IO(0x00,1) /* bmap access */ @@ -344,7 +350,7 @@ struct address_space_operations { /* Write back some dirty pages from this mapping. */ int (*writepages)(struct address_space *, struct writeback_control *); - /* Set a page dirty */ + /* Set a page dirty. Return true if this dirtied it */ int (*set_page_dirty)(struct page *page); int (*readpages)(struct file *filp, struct address_space *mapping, @@ -397,8 +403,8 @@ struct block_device { dev_t bd_dev; /* not a kdev_t - it's a search key */ struct inode * bd_inode; /* will die */ int bd_openers; - struct semaphore bd_sem; /* open/close mutex */ - struct semaphore bd_mount_sem; /* mount mutex */ + struct mutex bd_mutex; /* open/close mutex */ + struct mutex bd_mount_mutex; /* mount mutex */ struct list_head bd_inodes; void * bd_holder; int bd_holders; @@ -509,7 +515,7 @@ struct inode { #ifdef CONFIG_INOTIFY struct list_head inotify_watches; /* watches on this inode */ - struct semaphore inotify_sem; /* protects the watches list */ + struct mutex inotify_mutex; /* protects the watches list */ #endif unsigned long i_state; @@ -847,7 +853,7 @@ struct super_block { * The next field is for VFS *only*. No filesystems have any business * even looking at it. You had been warned. */ - struct semaphore s_vfs_rename_sem; /* Kludge */ + struct mutex s_vfs_rename_mutex; /* Kludge */ /* Granuality of c/m/atime in ns. Cannot be worse than a second */ @@ -1115,6 +1121,18 @@ static inline void mark_inode_dirty_sync(struct inode *inode) __mark_inode_dirty(inode, I_DIRTY_SYNC); } +static inline void inode_inc_link_count(struct inode *inode) +{ + inode->i_nlink++; + mark_inode_dirty(inode); +} + +static inline void inode_dec_link_count(struct inode *inode) +{ + inode->i_nlink--; + mark_inode_dirty(inode); +} + extern void touch_atime(struct vfsmount *mnt, struct dentry *dentry); static inline void file_accessed(struct file *file) { @@ -1455,6 +1473,12 @@ extern int filemap_fdatawait(struct address_space *); extern int filemap_write_and_wait(struct address_space *mapping); extern int filemap_write_and_wait_range(struct address_space *mapping, loff_t lstart, loff_t lend); +extern int wait_on_page_writeback_range(struct address_space *mapping, + pgoff_t start, pgoff_t end); +extern int __filemap_fdatawrite_range(struct address_space *mapping, + loff_t start, loff_t end, int sync_mode); + +extern long do_fsync(struct file *file, int datasync); extern void sync_supers(void); extern void sync_filesystems(int wait); extern void emergency_sync(void); @@ -1534,7 +1558,7 @@ extern void destroy_inode(struct inode *); extern struct inode *new_inode(struct super_block *); extern int remove_suid(struct dentry *); extern void remove_dquot_ref(struct super_block *, int, struct list_head *); -extern struct semaphore iprune_sem; +extern struct mutex iprune_mutex; extern void __insert_inode_hash(struct inode *, unsigned long hashval); extern void remove_inode_hash(struct inode *); diff --git a/include/linux/generic_serial.h b/include/linux/generic_serial.h index 0abe9d9a006..652611a4bdc 100644 --- a/include/linux/generic_serial.h +++ b/include/linux/generic_serial.h @@ -12,6 +12,8 @@ #ifndef GENERIC_SERIAL_H #define GENERIC_SERIAL_H +#include <linux/mutex.h> + struct real_driver { void (*disable_tx_interrupts) (void *); void (*enable_tx_interrupts) (void *); @@ -34,7 +36,7 @@ struct gs_port { int xmit_head; int xmit_tail; int xmit_cnt; - struct semaphore port_write_sem; + struct mutex port_write_mutex; int flags; wait_queue_head_t open_wait; wait_queue_head_t close_wait; diff --git a/include/linux/genhd.h b/include/linux/genhd.h index eef5ccdcd73..fd647fde5ec 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -149,22 +149,16 @@ struct disk_attribute { ({ \ typeof(gendiskp->dkstats->field) res = 0; \ int i; \ - for (i=0; i < NR_CPUS; i++) { \ - if (!cpu_possible(i)) \ - continue; \ + for_each_cpu(i) \ res += per_cpu_ptr(gendiskp->dkstats, i)->field; \ - } \ res; \ }) static inline void disk_stat_set_all(struct gendisk *gendiskp, int value) { int i; - for (i=0; i < NR_CPUS; i++) { - if (cpu_possible(i)) { - memset(per_cpu_ptr(gendiskp->dkstats, i), value, - sizeof (struct disk_stats)); - } - } + for_each_cpu(i) + memset(per_cpu_ptr(gendiskp->dkstats, i), value, + sizeof (struct disk_stats)); } #else diff --git a/include/linux/hwmon-sysfs.h b/include/linux/hwmon-sysfs.h index 7eb4004b360..a90c09d331c 100644 --- a/include/linux/hwmon-sysfs.h +++ b/include/linux/hwmon-sysfs.h @@ -27,11 +27,13 @@ struct sensor_device_attribute{ #define to_sensor_dev_attr(_dev_attr) \ container_of(_dev_attr, struct sensor_device_attribute, dev_attr) -#define SENSOR_DEVICE_ATTR(_name,_mode,_show,_store,_index) \ -struct sensor_device_attribute sensor_dev_attr_##_name = { \ - .dev_attr = __ATTR(_name,_mode,_show,_store), \ - .index = _index, \ -} +#define SENSOR_ATTR(_name, _mode, _show, _store, _index) \ + { .dev_attr = __ATTR(_name, _mode, _show, _store), \ + .index = _index } + +#define SENSOR_DEVICE_ATTR(_name, _mode, _show, _store, _index) \ +struct sensor_device_attribute sensor_dev_attr_##_name \ + = SENSOR_ATTR(_name, _mode, _show, _store, _index) struct sensor_device_attribute_2 { struct device_attribute dev_attr; @@ -41,11 +43,13 @@ struct sensor_device_attribute_2 { #define to_sensor_dev_attr_2(_dev_attr) \ container_of(_dev_attr, struct sensor_device_attribute_2, dev_attr) +#define SENSOR_ATTR_2(_name, _mode, _show, _store, _nr, _index) \ + { .dev_attr = __ATTR(_name, _mode, _show, _store), \ + .index = _index, \ + .nr = _nr } + #define SENSOR_DEVICE_ATTR_2(_name,_mode,_show,_store,_nr,_index) \ -struct sensor_device_attribute_2 sensor_dev_attr_##_name = { \ - .dev_attr = __ATTR(_name,_mode,_show,_store), \ - .index = _index, \ - .nr = _nr, \ -} +struct sensor_device_attribute_2 sensor_dev_attr_##_name \ + = SENSOR_ATTR_2(_name, _mode, _show, _store, _nr, _index) #endif /* _LINUX_HWMON_SYSFS_H */ diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h index 474c8f4f5d4..ec311bc8943 100644 --- a/include/linux/i2c-id.h +++ b/include/linux/i2c-id.h @@ -172,7 +172,6 @@ #define I2C_HW_B_RIVA 0x010010 /* Riva based graphics cards */ #define I2C_HW_B_IOC 0x010011 /* IOC bit-wiggling */ #define I2C_HW_B_TSUNA 0x010012 /* DEC Tsunami chipset */ -#define I2C_HW_B_FRODO 0x010013 /* 2d3D SA-1110 Development Board */ #define I2C_HW_B_OMAHA 0x010014 /* Omaha I2C interface (ARM) */ #define I2C_HW_B_GUIDE 0x010015 /* Guide bit-basher */ #define I2C_HW_B_IXP2000 0x010016 /* GPIO on IXP2000 systems */ diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 63f1d63cc1d..1635ee25918 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -32,7 +32,7 @@ #include <linux/mod_devicetable.h> #include <linux/device.h> /* for struct device */ #include <linux/sched.h> /* for completion */ -#include <asm/semaphore.h> +#include <linux/mutex.h> /* --- For i2c-isa ---------------------------------------------------- */ @@ -225,8 +225,8 @@ struct i2c_adapter { int (*client_unregister)(struct i2c_client *); /* data fields that are valid for all devices */ - struct semaphore bus_lock; - struct semaphore clist_lock; + struct mutex bus_lock; + struct mutex clist_lock; int timeout; int retries; diff --git a/include/linux/ide.h b/include/linux/ide.h index a7fc4cc79b2..8d2db412ba9 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -792,6 +792,7 @@ typedef struct hwif_s { unsigned no_dsc : 1; /* 0 default, 1 dsc_overlap disabled */ 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 */ struct device gendev; struct completion gendev_rel_comp; /* To deal with device release() */ diff --git a/include/linux/init_task.h b/include/linux/init_task.h index dcfd2ecccb5..92146f3b742 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -7,11 +7,10 @@ #define INIT_FDTABLE \ { \ .max_fds = NR_OPEN_DEFAULT, \ - .max_fdset = __FD_SETSIZE, \ - .next_fd = 0, \ + .max_fdset = EMBEDDED_FD_SET_SIZE, \ .fd = &init_files.fd_array[0], \ - .close_on_exec = &init_files.close_on_exec_init, \ - .open_fds = &init_files.open_fds_init, \ + .close_on_exec = (fd_set *)&init_files.close_on_exec_init, \ + .open_fds = (fd_set *)&init_files.open_fds_init, \ .rcu = RCU_HEAD_INIT, \ .free_files = NULL, \ .next = NULL, \ @@ -20,9 +19,10 @@ #define INIT_FILES \ { \ .count = ATOMIC_INIT(1), \ - .file_lock = SPIN_LOCK_UNLOCKED, \ .fdt = &init_files.fdtab, \ .fdtab = INIT_FDTABLE, \ + .file_lock = SPIN_LOCK_UNLOCKED, \ + .next_fd = 0, \ .close_on_exec_init = { { 0, } }, \ .open_fds_init = { { 0, } }, \ .fd_array = { NULL, } \ diff --git a/include/linux/jbd.h b/include/linux/jbd.h index 41ee79962bb..2ccbfb6340b 100644 --- a/include/linux/jbd.h +++ b/include/linux/jbd.h @@ -28,6 +28,7 @@ #include <linux/journal-head.h> #include <linux/stddef.h> #include <linux/bit_spinlock.h> +#include <linux/mutex.h> #include <asm/semaphore.h> #endif @@ -575,7 +576,7 @@ struct transaction_s * @j_wait_checkpoint: Wait queue to trigger checkpointing * @j_wait_commit: Wait queue to trigger commit * @j_wait_updates: Wait queue to wait for updates to complete - * @j_checkpoint_sem: Semaphore for locking against concurrent checkpoints + * @j_checkpoint_mutex: Mutex for locking against concurrent checkpoints * @j_head: Journal head - identifies the first unused block in the journal * @j_tail: Journal tail - identifies the oldest still-used block in the * journal. @@ -645,7 +646,7 @@ struct journal_s int j_barrier_count; /* The barrier lock itself */ - struct semaphore j_barrier; + struct mutex j_barrier; /* * Transactions: The current running transaction... @@ -687,7 +688,7 @@ struct journal_s wait_queue_head_t j_wait_updates; /* Semaphore for locking against concurrent checkpoints */ - struct semaphore j_checkpoint_sem; + struct mutex j_checkpoint_mutex; /* * Journal head: identifies the first unused block in the journal. diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 3b507bf05d0..bb6e7ddee2f 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -91,6 +91,9 @@ extern struct notifier_block *panic_notifier_list; extern long (*panic_blink)(long time); NORET_TYPE void panic(const char * fmt, ...) __attribute__ ((NORET_AND format (printf, 1, 2))); +extern void oops_enter(void); +extern void oops_exit(void); +extern int oops_may_print(void); fastcall NORET_TYPE void do_exit(long error_code) ATTRIB_NORET; NORET_TYPE void complete_and_exit(struct completion *, long) diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index 669756bc20a..778adc0fa64 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -36,6 +36,7 @@ #include <linux/percpu.h> #include <linux/spinlock.h> #include <linux/rcupdate.h> +#include <linux/mutex.h> #ifdef CONFIG_KPROBES #include <asm/kprobes.h> @@ -152,7 +153,7 @@ struct kretprobe_instance { }; extern spinlock_t kretprobe_lock; -extern struct semaphore kprobe_mutex; +extern struct mutex kprobe_mutex; extern int arch_prepare_kprobe(struct kprobe *p); extern void arch_arm_kprobe(struct kprobe *p); extern void arch_disarm_kprobe(struct kprobe *p); diff --git a/include/linux/libata.h b/include/linux/libata.h index b3d4c906e24..70ca99bbc6c 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -162,7 +162,6 @@ enum { ATA_QCFLAG_EH_SCHEDULED = (1 << 5), /* EH scheduled */ /* various lengths of time */ - ATA_TMOUT_EDD = 5 * HZ, /* heuristic */ ATA_TMOUT_PIO = 30 * HZ, ATA_TMOUT_BOOT = 30 * HZ, /* heuristic */ ATA_TMOUT_BOOT_QUICK = 7 * HZ, /* heuristic */ @@ -363,6 +362,11 @@ struct ata_device { unsigned int max_sectors; /* per-device max sectors */ unsigned int cdb_len; + /* per-dev xfer mask */ + unsigned int pio_mask; + unsigned int mwdma_mask; + unsigned int udma_mask; + /* for CHS addressing */ u16 cylinders; /* Number of cylinders */ u16 heads; /* Number of heads */ @@ -400,6 +404,7 @@ struct ata_port { struct ata_host_stats stats; struct ata_host_set *host_set; + struct device *dev; struct work_struct port_task; @@ -520,9 +525,9 @@ extern void ata_eh_qc_retry(struct ata_queued_cmd *qc); extern int ata_scsi_release(struct Scsi_Host *host); extern unsigned int ata_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc); extern int ata_scsi_device_resume(struct scsi_device *); -extern int ata_scsi_device_suspend(struct scsi_device *); +extern int ata_scsi_device_suspend(struct scsi_device *, pm_message_t state); extern int ata_device_resume(struct ata_port *, struct ata_device *); -extern int ata_device_suspend(struct ata_port *, struct ata_device *); +extern int ata_device_suspend(struct ata_port *, struct ata_device *, pm_message_t state); extern int ata_ratelimit(void); extern unsigned int ata_busy_sleep(struct ata_port *ap, unsigned long timeout_pat, @@ -573,6 +578,8 @@ extern int ata_std_bios_param(struct scsi_device *sdev, struct block_device *bdev, sector_t capacity, int geom[]); extern int ata_scsi_slave_config(struct scsi_device *sdev); +extern struct ata_device *ata_dev_pair(struct ata_port *ap, + struct ata_device *adev); /* * Timing helpers diff --git a/include/linux/linkage.h b/include/linux/linkage.h index 147eb01e0d4..c08c9983e84 100644 --- a/include/linux/linkage.h +++ b/include/linux/linkage.h @@ -28,17 +28,27 @@ #define ALIGN __ALIGN #define ALIGN_STR __ALIGN_STR +#ifndef ENTRY #define ENTRY(name) \ .globl name; \ ALIGN; \ name: +#endif #define KPROBE_ENTRY(name) \ .section .kprobes.text, "ax"; \ - .globl name; \ - ALIGN; \ - name: + ENTRY(name) +#ifndef END +#define END(name) \ + .size name, .-name +#endif + +#ifndef ENDPROC +#define ENDPROC(name) \ + .type name, @function; \ + END(name) +#endif #endif diff --git a/include/linux/loop.h b/include/linux/loop.h index f96506782eb..e76c7611d6c 100644 --- a/include/linux/loop.h +++ b/include/linux/loop.h @@ -17,6 +17,7 @@ #include <linux/bio.h> #include <linux/blkdev.h> #include <linux/spinlock.h> +#include <linux/mutex.h> /* Possible states of device */ enum { @@ -60,7 +61,7 @@ struct loop_device { int lo_state; struct completion lo_done; struct completion lo_bh_done; - struct semaphore lo_ctl_mutex; + struct mutex lo_ctl_mutex; int lo_pending; request_queue_t *lo_queue; diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h index bbd2221923c..6a7621b2b12 100644 --- a/include/linux/mempolicy.h +++ b/include/linux/mempolicy.h @@ -147,6 +147,7 @@ extern void mpol_rebind_policy(struct mempolicy *pol, const nodemask_t *new); 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_CPUSET @@ -248,6 +249,10 @@ static inline void mpol_rebind_mm(struct mm_struct *mm, nodemask_t *new) { } +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, diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h index 8bcd9450d92..779e6a5744c 100644 --- a/include/linux/msdos_fs.h +++ b/include/linux/msdos_fs.h @@ -184,6 +184,7 @@ struct fat_slot_info { #include <linux/string.h> #include <linux/nls.h> #include <linux/fs.h> +#include <linux/mutex.h> struct fat_mount_options { uid_t fs_uid; @@ -226,7 +227,7 @@ struct msdos_sb_info { unsigned long max_cluster; /* maximum cluster number */ unsigned long root_cluster; /* first cluster of the root directory */ unsigned long fsinfo_sector; /* sector number of FAT32 fsinfo */ - struct semaphore fat_lock; + struct mutex fat_lock; unsigned int prev_free; /* previously allocated cluster number */ unsigned int free_clusters; /* -1 if undefined */ struct fat_mount_options options; diff --git a/include/linux/nbd.h b/include/linux/nbd.h index f95d51fae73..a6ce409ec6f 100644 --- a/include/linux/nbd.h +++ b/include/linux/nbd.h @@ -38,6 +38,7 @@ enum { #ifdef __KERNEL__ #include <linux/wait.h> +#include <linux/mutex.h> /* values for flags field */ #define NBD_READ_ONLY 0x0001 @@ -57,7 +58,7 @@ struct nbd_device { struct request *active_req; wait_queue_head_t active_wq; - struct semaphore tx_lock; + struct mutex tx_lock; struct gendisk *disk; int blksize; u64 bytesize; diff --git a/include/linux/ncp_fs_i.h b/include/linux/ncp_fs_i.h index 415be1ec6f9..bdb4c8ae692 100644 --- a/include/linux/ncp_fs_i.h +++ b/include/linux/ncp_fs_i.h @@ -19,7 +19,7 @@ struct ncp_inode_info { __le32 DosDirNum; __u8 volNumber; __le32 nwattr; - struct semaphore open_sem; + struct mutex open_mutex; atomic_t opened; int access; int flags; diff --git a/include/linux/ncp_fs_sb.h b/include/linux/ncp_fs_sb.h index cf858eb80f0..b089d950628 100644 --- a/include/linux/ncp_fs_sb.h +++ b/include/linux/ncp_fs_sb.h @@ -11,6 +11,7 @@ #include <linux/types.h> #include <linux/ncp_mount.h> #include <linux/net.h> +#include <linux/mutex.h> #ifdef __KERNEL__ @@ -51,7 +52,7 @@ struct ncp_server { receive replies */ int lock; /* To prevent mismatch in protocols. */ - struct semaphore sem; + struct mutex mutex; int current_size; /* for packet preparation */ int has_subfunction; @@ -96,7 +97,7 @@ struct ncp_server { struct { struct work_struct tq; /* STREAM/DGRAM: data/error ready */ struct ncp_request_reply* creq; /* STREAM/DGRAM: awaiting reply from this request */ - struct semaphore creq_sem; /* DGRAM only: lock accesses to rcv.creq */ + struct mutex creq_mutex; /* DGRAM only: lock accesses to rcv.creq */ unsigned int state; /* STREAM only: receiver state */ struct { diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index ee700c6eb44..839f0b3c23a 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -51,6 +51,10 @@ static inline void mapping_set_gfp_mask(struct address_space *m, gfp_t mask) #define page_cache_release(page) put_page(page) void release_pages(struct page **pages, int nr, int cold); +#ifdef CONFIG_NUMA +extern struct page *page_cache_alloc(struct address_space *x); +extern struct page *page_cache_alloc_cold(struct address_space *x); +#else static inline struct page *page_cache_alloc(struct address_space *x) { return alloc_pages(mapping_gfp_mask(x), 0); @@ -60,6 +64,7 @@ static inline struct page *page_cache_alloc_cold(struct address_space *x) { return alloc_pages(mapping_gfp_mask(x)|__GFP_COLD, 0); } +#endif typedef int filler_t(void *, struct page *); diff --git a/include/linux/pci.h b/include/linux/pci.h index fe1a2b02fc5..0aad5a378e9 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -95,6 +95,11 @@ enum pci_channel_state { pci_channel_io_perm_failure = (__force pci_channel_state_t) 3, }; +typedef unsigned short __bitwise pci_bus_flags_t; +enum pci_bus_flags { + PCI_BUS_FLAGS_NO_MSI = (pci_bus_flags_t) 1, +}; + /* * The pci_dev structure is used to describe PCI devices. */ @@ -203,7 +208,7 @@ struct pci_bus { char name[48]; unsigned short bridge_ctl; /* manage NO_ISA/FBB/et al behaviors */ - unsigned short pad2; + pci_bus_flags_t bus_flags; /* Inherited by child busses */ struct device *bridge; struct class_device class_dev; struct bin_attribute *legacy_io; /* legacy I/O for this bus */ @@ -485,9 +490,9 @@ void pdev_sort_resources(struct pci_dev *, struct resource_list *); void pci_fixup_irqs(u8 (*)(struct pci_dev *, u8 *), int (*)(struct pci_dev *, u8, u8)); #define HAVE_PCI_REQ_REGIONS 2 -int pci_request_regions(struct pci_dev *, char *); +int pci_request_regions(struct pci_dev *, const char *); void pci_release_regions(struct pci_dev *); -int pci_request_region(struct pci_dev *, int, char *); +int pci_request_region(struct pci_dev *, int, const char *); void pci_release_region(struct pci_dev *, int); /* drivers/pci/bus.c */ @@ -516,6 +521,7 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max, int pass void pci_walk_bus(struct pci_bus *top, void (*cb)(struct pci_dev *, void *), void *userdata); int pci_cfg_space_size(struct pci_dev *dev); +unsigned char pci_bus_max_busnr(struct pci_bus* bus); /* kmem_cache style wrapper around pci_alloc_consistent() */ diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index ec3c3293262..6f080ae5928 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -69,6 +69,7 @@ #define PCI_CLASS_SYSTEM_TIMER 0x0802 #define PCI_CLASS_SYSTEM_RTC 0x0803 #define PCI_CLASS_SYSTEM_PCI_HOTPLUG 0x0804 +#define PCI_CLASS_SYSTEM_SDHCI 0x0805 #define PCI_CLASS_SYSTEM_OTHER 0x0880 #define PCI_BASE_CLASS_INPUT 0x09 @@ -1371,6 +1372,7 @@ #define PCI_DEVICE_ID_SERVERWORKS_OSB4 0x0200 #define PCI_DEVICE_ID_SERVERWORKS_CSB5 0x0201 #define PCI_DEVICE_ID_SERVERWORKS_CSB6 0x0203 +#define PCI_DEVICE_ID_SERVERWORKS_HT1000SB 0x0205 #define PCI_DEVICE_ID_SERVERWORKS_OSB4IDE 0x0211 #define PCI_DEVICE_ID_SERVERWORKS_CSB5IDE 0x0212 #define PCI_DEVICE_ID_SERVERWORKS_CSB6IDE 0x0213 @@ -1864,11 +1866,13 @@ #define PCI_DEVICE_ID_TIGON3_5780S 0x166b #define PCI_DEVICE_ID_TIGON3_5705F 0x166e #define PCI_DEVICE_ID_TIGON3_5754M 0x1672 +#define PCI_DEVICE_ID_TIGON3_5755M 0x1673 #define PCI_DEVICE_ID_TIGON3_5750 0x1676 #define PCI_DEVICE_ID_TIGON3_5751 0x1677 #define PCI_DEVICE_ID_TIGON3_5715 0x1678 #define PCI_DEVICE_ID_TIGON3_5715S 0x1679 #define PCI_DEVICE_ID_TIGON3_5754 0x167a +#define PCI_DEVICE_ID_TIGON3_5755 0x167b #define PCI_DEVICE_ID_TIGON3_5750M 0x167c #define PCI_DEVICE_ID_TIGON3_5751M 0x167d #define PCI_DEVICE_ID_TIGON3_5751F 0x167e diff --git a/include/linux/platform.h b/include/linux/platform.h deleted file mode 100644 index 3c33084a6ec..00000000000 --- a/include/linux/platform.h +++ /dev/null @@ -1,43 +0,0 @@ -/* - * include/linux/platform.h - platform driver definitions - * - * Because of the prolific consumerism of the average American, - * and the dominant marketing budgets of PC OEMs, we have been - * blessed with frequent updates of the PC architecture. - * - * While most of these calls are singular per architecture, they - * require an extra layer of abstraction on the x86 so the right - * subsystem gets the right call. - * - * Basically, this consolidates the power off and reboot callbacks - * into one structure, as well as adding power management hooks. - * - * When adding a platform driver, please make sure all callbacks are - * filled. There are defaults defined below that do nothing; use those - * if you do not support that callback. - */ - -#ifndef _PLATFORM_H_ -#define _PLATFORM_H_ -#ifdef __KERNEL__ - -#include <linux/types.h> - -struct platform_t { - char * name; - u32 suspend_states; - void (*reboot)(char * cmd); - void (*halt)(void); - void (*power_off)(void); - int (*suspend)(int state, int flags); - void (*idle)(void); -}; - -extern struct platform_t * platform; -extern void default_reboot(char * cmd); -extern void default_halt(void); -extern int default_suspend(int state, int flags); -extern void default_idle(void); - -#endif /* __KERNEL__ */ -#endif /* _PLATFORM_H */ diff --git a/include/linux/pm.h b/include/linux/pm.h index 5be87ba3b7a..6df2585c016 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -188,6 +188,8 @@ extern void device_power_up(void); extern void device_resume(void); #ifdef CONFIG_PM +extern suspend_disk_method_t pm_disk_mode; + extern int device_suspend(pm_message_t state); #define device_set_wakeup_enable(dev,val) \ @@ -215,7 +217,6 @@ static inline int dpm_runtime_suspend(struct device * dev, pm_message_t state) static inline void dpm_runtime_resume(struct device * dev) { - } #endif diff --git a/include/linux/profile.h b/include/linux/profile.h index 026969a5595..1f2fea6640a 100644 --- a/include/linux/profile.h +++ b/include/linux/profile.h @@ -14,6 +14,7 @@ struct proc_dir_entry; struct pt_regs; +struct notifier_block; /* init basic kernel profiler */ void __init profile_init(void); @@ -32,7 +33,6 @@ enum profile_type { #ifdef CONFIG_PROFILING -struct notifier_block; struct task_struct; struct mm_struct; diff --git a/include/linux/quota.h b/include/linux/quota.h index f33aeb22c26..8dc2d04a103 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -38,6 +38,7 @@ #include <linux/errno.h> #include <linux/types.h> #include <linux/spinlock.h> +#include <linux/mutex.h> #define __DQUOT_VERSION__ "dquot_6.5.1" #define __DQUOT_NUM_VERSION__ 6*10000+5*100+1 @@ -215,7 +216,7 @@ struct dquot { struct list_head dq_inuse; /* List of all quotas */ struct list_head dq_free; /* Free list element */ struct list_head dq_dirty; /* List of dirty dquots */ - struct semaphore dq_lock; /* dquot IO lock */ + struct mutex dq_lock; /* dquot IO lock */ atomic_t dq_count; /* Use count */ wait_queue_head_t dq_wait_unused; /* Wait queue for dquot to become unused */ struct super_block *dq_sb; /* superblock this applies to */ @@ -285,8 +286,8 @@ struct quota_format_type { struct quota_info { unsigned int flags; /* Flags for diskquotas on this device */ - struct semaphore dqio_sem; /* lock device while I/O in progress */ - struct semaphore dqonoff_sem; /* Serialize quotaon & quotaoff */ + struct mutex dqio_mutex; /* lock device while I/O in progress */ + struct mutex dqonoff_mutex; /* Serialize quotaon & quotaoff */ struct rw_semaphore dqptr_sem; /* serialize ops using quota_info struct, pointers from inode to dquots */ struct inode *files[MAXQUOTAS]; /* inodes of quotafiles */ struct mem_dqinfo info[MAXQUOTAS]; /* Information for each quota type */ diff --git a/include/linux/raid/raid1.h b/include/linux/raid/raid1.h index 9d5494aaac0..3009c813d83 100644 --- a/include/linux/raid/raid1.h +++ b/include/linux/raid/raid1.h @@ -130,6 +130,6 @@ struct r1bio_s { * with failure when last write completes (and all failed). * Record that bi_end_io was called with this flag... */ -#define R1BIO_Returned 4 +#define R1BIO_Returned 6 #endif diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index c2ec6c77874..5673008b61e 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -113,8 +113,6 @@ struct rcu_data { DECLARE_PER_CPU(struct rcu_data, rcu_data); DECLARE_PER_CPU(struct rcu_data, rcu_bh_data); -extern struct rcu_ctrlblk rcu_ctrlblk; -extern struct rcu_ctrlblk rcu_bh_ctrlblk; /* * Increment the quiescent state counter. diff --git a/include/linux/relay.h b/include/linux/relay.h new file mode 100644 index 00000000000..4bcc1531d6a --- /dev/null +++ b/include/linux/relay.h @@ -0,0 +1,281 @@ +/* + * linux/include/linux/relay.h + * + * Copyright (C) 2002, 2003 - Tom Zanussi (zanussi@us.ibm.com), IBM Corp + * Copyright (C) 1999, 2000, 2001, 2002 - Karim Yaghmour (karim@opersys.com) + * + * CONFIG_RELAY definitions and declarations + */ + +#ifndef _LINUX_RELAY_H +#define _LINUX_RELAY_H + +#include <linux/config.h> +#include <linux/types.h> +#include <linux/sched.h> +#include <linux/wait.h> +#include <linux/list.h> +#include <linux/fs.h> +#include <linux/poll.h> +#include <linux/kref.h> + +/* Needs a _much_ better name... */ +#define FIX_SIZE(x) ((((x) - 1) & PAGE_MASK) + PAGE_SIZE) + +/* + * Tracks changes to rchan/rchan_buf structs + */ +#define RELAYFS_CHANNEL_VERSION 6 + +/* + * Per-cpu relay channel buffer + */ +struct rchan_buf +{ + void *start; /* start of channel buffer */ + void *data; /* start of current sub-buffer */ + size_t offset; /* current offset into sub-buffer */ + size_t subbufs_produced; /* count of sub-buffers produced */ + size_t subbufs_consumed; /* count of sub-buffers consumed */ + struct rchan *chan; /* associated channel */ + wait_queue_head_t read_wait; /* reader wait queue */ + struct work_struct wake_readers; /* reader wake-up work struct */ + struct dentry *dentry; /* channel file dentry */ + struct kref kref; /* channel buffer refcount */ + struct page **page_array; /* array of current buffer pages */ + unsigned int page_count; /* number of current buffer pages */ + unsigned int finalized; /* buffer has been finalized */ + size_t *padding; /* padding counts per sub-buffer */ + size_t prev_padding; /* temporary variable */ + size_t bytes_consumed; /* bytes consumed in cur read subbuf */ + unsigned int cpu; /* this buf's cpu */ +} ____cacheline_aligned; + +/* + * Relay channel data structure + */ +struct rchan +{ + u32 version; /* the version of this struct */ + size_t subbuf_size; /* sub-buffer size */ + size_t n_subbufs; /* number of sub-buffers per buffer */ + size_t alloc_size; /* total buffer size allocated */ + struct rchan_callbacks *cb; /* client callbacks */ + struct kref kref; /* channel refcount */ + void *private_data; /* for user-defined data */ + size_t last_toobig; /* tried to log event > subbuf size */ + struct rchan_buf *buf[NR_CPUS]; /* per-cpu channel buffers */ +}; + +/* + * Relay channel client callbacks + */ +struct rchan_callbacks +{ + /* + * subbuf_start - called on buffer-switch to a new sub-buffer + * @buf: the channel buffer containing the new sub-buffer + * @subbuf: the start of the new sub-buffer + * @prev_subbuf: the start of the previous sub-buffer + * @prev_padding: unused space at the end of previous sub-buffer + * + * The client should return 1 to continue logging, 0 to stop + * logging. + * + * NOTE: subbuf_start will also be invoked when the buffer is + * created, so that the first sub-buffer can be initialized + * if necessary. In this case, prev_subbuf will be NULL. + * + * NOTE: the client can reserve bytes at the beginning of the new + * sub-buffer by calling subbuf_start_reserve() in this callback. + */ + int (*subbuf_start) (struct rchan_buf *buf, + void *subbuf, + void *prev_subbuf, + size_t prev_padding); + + /* + * buf_mapped - relay buffer mmap notification + * @buf: the channel buffer + * @filp: relay file pointer + * + * Called when a relay file is successfully mmapped + */ + void (*buf_mapped)(struct rchan_buf *buf, + struct file *filp); + + /* + * buf_unmapped - relay buffer unmap notification + * @buf: the channel buffer + * @filp: relay file pointer + * + * Called when a relay file is successfully unmapped + */ + void (*buf_unmapped)(struct rchan_buf *buf, + struct file *filp); + /* + * create_buf_file - create file to represent a relay channel buffer + * @filename: the name of the file to create + * @parent: the parent of the file to create + * @mode: the mode of the file to create + * @buf: the channel buffer + * @is_global: outparam - set non-zero if the buffer should be global + * + * Called during relay_open(), once for each per-cpu buffer, + * to allow the client to create a file to be used to + * represent the corresponding channel buffer. If the file is + * created outside of relay, the parent must also exist in + * that filesystem. + * + * The callback should return the dentry of the file created + * to represent the relay buffer. + * + * Setting the is_global outparam to a non-zero value will + * cause relay_open() to create a single global buffer rather + * than the default set of per-cpu buffers. + * + * See Documentation/filesystems/relayfs.txt for more info. + */ + struct dentry *(*create_buf_file)(const char *filename, + struct dentry *parent, + int mode, + struct rchan_buf *buf, + int *is_global); + + /* + * remove_buf_file - remove file representing a relay channel buffer + * @dentry: the dentry of the file to remove + * + * Called during relay_close(), once for each per-cpu buffer, + * to allow the client to remove a file used to represent a + * channel buffer. + * + * The callback should return 0 if successful, negative if not. + */ + int (*remove_buf_file)(struct dentry *dentry); +}; + +/* + * CONFIG_RELAY kernel API, kernel/relay.c + */ + +struct rchan *relay_open(const char *base_filename, + struct dentry *parent, + size_t subbuf_size, + size_t n_subbufs, + struct rchan_callbacks *cb); +extern void relay_close(struct rchan *chan); +extern void relay_flush(struct rchan *chan); +extern void relay_subbufs_consumed(struct rchan *chan, + unsigned int cpu, + size_t consumed); +extern void relay_reset(struct rchan *chan); +extern int relay_buf_full(struct rchan_buf *buf); + +extern size_t relay_switch_subbuf(struct rchan_buf *buf, + size_t length); + +/** + * relay_write - write data into the channel + * @chan: relay channel + * @data: data to be written + * @length: number of bytes to write + * + * Writes data into the current cpu's channel buffer. + * + * Protects the buffer by disabling interrupts. Use this + * if you might be logging from interrupt context. Try + * __relay_write() if you know you won't be logging from + * interrupt context. + */ +static inline void relay_write(struct rchan *chan, + const void *data, + size_t length) +{ + unsigned long flags; + struct rchan_buf *buf; + + local_irq_save(flags); + buf = chan->buf[smp_processor_id()]; + if (unlikely(buf->offset + length > chan->subbuf_size)) + length = relay_switch_subbuf(buf, length); + memcpy(buf->data + buf->offset, data, length); + buf->offset += length; + local_irq_restore(flags); +} + +/** + * __relay_write - write data into the channel + * @chan: relay channel + * @data: data to be written + * @length: number of bytes to write + * + * Writes data into the current cpu's channel buffer. + * + * Protects the buffer by disabling preemption. Use + * relay_write() if you might be logging from interrupt + * context. + */ +static inline void __relay_write(struct rchan *chan, + const void *data, + size_t length) +{ + struct rchan_buf *buf; + + buf = chan->buf[get_cpu()]; + if (unlikely(buf->offset + length > buf->chan->subbuf_size)) + length = relay_switch_subbuf(buf, length); + memcpy(buf->data + buf->offset, data, length); + buf->offset += length; + put_cpu(); +} + +/** + * relay_reserve - reserve slot in channel buffer + * @chan: relay channel + * @length: number of bytes to reserve + * + * Returns pointer to reserved slot, NULL if full. + * + * Reserves a slot in the current cpu's channel buffer. + * Does not protect the buffer at all - caller must provide + * appropriate synchronization. + */ +static inline void *relay_reserve(struct rchan *chan, size_t length) +{ + void *reserved; + struct rchan_buf *buf = chan->buf[smp_processor_id()]; + + if (unlikely(buf->offset + length > buf->chan->subbuf_size)) { + length = relay_switch_subbuf(buf, length); + if (!length) + return NULL; + } + reserved = buf->data + buf->offset; + buf->offset += length; + + return reserved; +} + +/** + * subbuf_start_reserve - reserve bytes at the start of a sub-buffer + * @buf: relay channel buffer + * @length: number of bytes to reserve + * + * Helper function used to reserve bytes at the beginning of + * a sub-buffer in the subbuf_start() callback. + */ +static inline void subbuf_start_reserve(struct rchan_buf *buf, + size_t length) +{ + BUG_ON(length >= buf->chan->subbuf_size - 1); + buf->offset = length; +} + +/* + * exported relay file operations, kernel/relay.c + */ +extern struct file_operations relay_file_operations; + +#endif /* _LINUX_RELAY_H */ + diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index d572d537631..df0cdd41085 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -839,6 +839,7 @@ enum #define RTMGRP_IPV4_IFADDR 0x10 #define RTMGRP_IPV4_MROUTE 0x20 #define RTMGRP_IPV4_ROUTE 0x40 +#define RTMGRP_IPV4_RULE 0x80 #define RTMGRP_IPV6_IFADDR 0x100 #define RTMGRP_IPV6_MROUTE 0x200 @@ -869,7 +870,8 @@ enum rtnetlink_groups { #define RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_MROUTE RTNLGRP_IPV4_ROUTE, #define RTNLGRP_IPV4_ROUTE RTNLGRP_IPV4_ROUTE - RTNLGRP_NOP1, + RTNLGRP_IPV4_RULE, +#define RTNLGRP_IPV4_RULE RTNLGRP_IPV4_RULE RTNLGRP_IPV6_IFADDR, #define RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_IFADDR RTNLGRP_IPV6_MROUTE, diff --git a/include/linux/sched.h b/include/linux/sched.h index 62e6314382f..e0054c1b9a0 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -206,11 +206,11 @@ extern void update_process_times(int user); extern void scheduler_tick(void); #ifdef CONFIG_DETECT_SOFTLOCKUP -extern void softlockup_tick(struct pt_regs *regs); +extern void softlockup_tick(void); extern void spawn_softlockup_task(void); extern void touch_softlockup_watchdog(void); #else -static inline void softlockup_tick(struct pt_regs *regs) +static inline void softlockup_tick(void) { } static inline void spawn_softlockup_task(void) @@ -706,6 +706,7 @@ struct task_struct { prio_array_t *array; unsigned short ioprio; + unsigned int btrace_seq; unsigned long sleep_avg; unsigned long long timestamp, last_ran; @@ -868,6 +869,7 @@ struct task_struct { struct cpuset *cpuset; nodemask_t mems_allowed; int cpuset_mems_generation; + int cpuset_mem_spread_rotor; #endif atomic_t fs_excl; /* holding fs exclusive resources */ struct rcu_head rcu; @@ -928,6 +930,9 @@ static inline void put_task_struct(struct task_struct *t) #define PF_BORROWED_MM 0x00400000 /* I am a kthread doing use_mm */ #define PF_RANDOMIZE 0x00800000 /* randomize virtual address space */ #define PF_SWAPWRITE 0x01000000 /* Allowed to write to swap */ +#define PF_SPREAD_PAGE 0x04000000 /* Spread page cache over cpuset */ +#define PF_SPREAD_SLAB 0x08000000 /* Spread some slab caches over cpuset */ +#define PF_MEMPOLICY 0x10000000 /* Non-default NUMA mempolicy */ /* * Only the _current_ task can read/write to tsk->flags, but other diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h index 850a974ee50..b95f6eb7254 100644 --- a/include/linux/seq_file.h +++ b/include/linux/seq_file.h @@ -4,7 +4,7 @@ #include <linux/types.h> #include <linux/string.h> -#include <asm/semaphore.h> +#include <linux/mutex.h> struct seq_operations; struct file; @@ -19,7 +19,7 @@ struct seq_file { size_t count; loff_t index; loff_t version; - struct semaphore sem; + struct mutex lock; struct seq_operations *op; void *private; }; diff --git a/include/linux/slab.h b/include/linux/slab.h index 2b28c849d75..e2ee5b26879 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -46,6 +46,7 @@ typedef struct kmem_cache kmem_cache_t; what is reclaimable later*/ #define SLAB_PANIC 0x00040000UL /* panic if kmem_cache_create() fails */ #define SLAB_DESTROY_BY_RCU 0x00080000UL /* defer freeing pages to RCU */ +#define SLAB_MEM_SPREAD 0x00100000UL /* Spread some memory over cpuset */ /* flags passed to a constructor func */ #define SLAB_CTOR_CONSTRUCTOR 0x001UL /* if not set, then deconstructor */ diff --git a/include/linux/string.h b/include/linux/string.h index 369be3264a5..dee221429ad 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -18,6 +18,8 @@ extern char * strsep(char **,const char *); extern __kernel_size_t strspn(const char *,const char *); extern __kernel_size_t strcspn(const char *,const char *); +extern char *strndup_user(const char __user *, long); + /* * Include machine specific inline routines */ diff --git a/include/linux/swap.h b/include/linux/swap.h index 12415dd9445..54eac8a39a4 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -234,14 +234,15 @@ extern struct page * read_swap_cache_async(swp_entry_t, struct vm_area_struct *v /* linux/mm/swapfile.c */ extern long total_swap_pages; extern unsigned int nr_swapfiles; -extern struct swap_info_struct swap_info[]; extern void si_swapinfo(struct sysinfo *); extern swp_entry_t get_swap_page(void); -extern swp_entry_t get_swap_page_of_type(int type); +extern swp_entry_t get_swap_page_of_type(int); extern int swap_duplicate(swp_entry_t); extern int valid_swaphandles(swp_entry_t, unsigned long *); extern void swap_free(swp_entry_t); extern void free_swap_and_cache(swp_entry_t); +extern int swap_type_of(dev_t); +extern unsigned int count_swap_pages(int, int); extern sector_t map_swap_page(struct swap_info_struct *, pgoff_t); extern struct swap_info_struct *get_swap_info_struct(unsigned); extern int can_share_swap_page(struct page *); diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index b9ea44ac0dd..e487e3b60f6 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -568,5 +568,6 @@ asmlinkage long compat_sys_newfstatat(unsigned int dfd, char __user * filename, int flag); asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename, int flags, int mode); +asmlinkage long sys_unshare(unsigned long unshare_flags); #endif diff --git a/include/linux/tty.h b/include/linux/tty.h index f45cd74e6f2..f13f49afe19 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -24,6 +24,7 @@ #include <linux/tty_driver.h> #include <linux/tty_ldisc.h> #include <linux/screen_info.h> +#include <linux/mutex.h> #include <asm/system.h> @@ -231,8 +232,8 @@ struct tty_struct { int canon_data; unsigned long canon_head; unsigned int canon_column; - struct semaphore atomic_read; - struct semaphore atomic_write; + struct mutex atomic_read_lock; + struct mutex atomic_write_lock; unsigned char *write_buf; int write_cnt; spinlock_t read_lock; @@ -319,8 +320,7 @@ extern void tty_ldisc_put(int); extern void tty_wakeup(struct tty_struct *tty); extern void tty_ldisc_flush(struct tty_struct *tty); -struct semaphore; -extern struct semaphore tty_sem; +extern struct mutex tty_mutex; /* n_tty.c */ extern struct tty_ldisc tty_ldisc_N_TTY; diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h index 222faf97d5f..0c6169fff36 100644 --- a/include/linux/tty_flip.h +++ b/include/linux/tty_flip.h @@ -7,14 +7,8 @@ extern int tty_insert_flip_string_flags(struct tty_struct *tty, unsigned char *c extern int tty_prepare_flip_string(struct tty_struct *tty, unsigned char **chars, size_t size); extern int tty_prepare_flip_string_flags(struct tty_struct *tty, unsigned char **chars, char **flags, size_t size); -#ifdef INCLUDE_INLINE_FUNCS -#define _INLINE_ extern -#else -#define _INLINE_ static __inline__ -#endif - -_INLINE_ int tty_insert_flip_char(struct tty_struct *tty, - unsigned char ch, char flag) +static inline int tty_insert_flip_char(struct tty_struct *tty, + unsigned char ch, char flag) { struct tty_buffer *tb = tty->buf.tail; if (tb && tb->active && tb->used < tb->size) { @@ -25,7 +19,7 @@ _INLINE_ int tty_insert_flip_char(struct tty_struct *tty, return tty_insert_flip_string_flags(tty, &ch, &flag, 1); } -_INLINE_ void tty_schedule_flip(struct tty_struct *tty) +static inline void tty_schedule_flip(struct tty_struct *tty) { unsigned long flags; spin_lock_irqsave(&tty->buf.lock, flags); diff --git a/include/linux/udf_fs_sb.h b/include/linux/udf_fs_sb.h index b15ff2e99c9..80ae9ef940d 100644 --- a/include/linux/udf_fs_sb.h +++ b/include/linux/udf_fs_sb.h @@ -13,7 +13,7 @@ #ifndef _UDF_FS_SB_H #define _UDF_FS_SB_H 1 -#include <asm/semaphore.h> +#include <linux/mutex.h> #pragma pack(1) @@ -111,7 +111,7 @@ struct udf_sb_info /* VAT inode */ struct inode *s_vat; - struct semaphore s_alloc_sem; + struct mutex s_alloc_mutex; }; #endif /* _UDF_FS_SB_H */ diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h index fab5aed8ca3..530ae3f4248 100644 --- a/include/linux/vt_kern.h +++ b/include/linux/vt_kern.h @@ -73,6 +73,11 @@ int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc); int vt_waitactive(int vt); void change_console(struct vc_data *new_vc); void reset_vc(struct vc_data *vc); +#ifdef CONFIG_VT +int is_console_suspend_safe(void); +#else +static inline int is_console_suspend_safe(void) { return 1; } +#endif /* * vc_screen.c shares this temporary buffer with the console write code so that diff --git a/include/linux/wireless.h b/include/linux/wireless.h index a555a0f7a7b..13588564b42 100644 --- a/include/linux/wireless.h +++ b/include/linux/wireless.h @@ -1,10 +1,10 @@ /* * This file define a set of standard wireless extensions * - * Version : 19 18.3.05 + * Version : 20 17.2.06 * * Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com> - * Copyright (c) 1997-2005 Jean Tourrilhes, All Rights Reserved. + * Copyright (c) 1997-2006 Jean Tourrilhes, All Rights Reserved. */ #ifndef _LINUX_WIRELESS_H @@ -80,7 +80,7 @@ * (there is some stuff that will be added in the future...) * I just plan to increment with each new version. */ -#define WIRELESS_EXT 19 +#define WIRELESS_EXT 20 /* * Changes : @@ -204,6 +204,10 @@ * - Add IW_QUAL_ALL_UPDATED and IW_QUAL_ALL_INVALID macros * - Add explicit flag to tell stats are in dBm : IW_QUAL_DBM * - Add IW_IOCTL_IDX() and IW_EVENT_IDX() macros + * + * V19 to V20 + * ---------- + * - RtNetlink requests support (SET/GET) */ /**************************** CONSTANTS ****************************/ diff --git a/include/linux/writeback.h b/include/linux/writeback.h index beaef5c7a0e..56f92fcbe94 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -88,8 +88,8 @@ void throttle_vm_writeout(void); /* These are exported to sysctl. */ extern int dirty_background_ratio; extern int vm_dirty_ratio; -extern int dirty_writeback_centisecs; -extern int dirty_expire_centisecs; +extern int dirty_writeback_interval; +extern int dirty_expire_interval; extern int block_dump; extern int laptop_mode; @@ -99,7 +99,15 @@ int dirty_writeback_centisecs_handler(struct ctl_table *, int, struct file *, void __user *, size_t *, loff_t *); void page_writeback_init(void); -void balance_dirty_pages_ratelimited(struct address_space *mapping); +void balance_dirty_pages_ratelimited_nr(struct address_space *mapping, + unsigned long nr_pages_dirtied); + +static inline void +balance_dirty_pages_ratelimited(struct address_space *mapping) +{ + balance_dirty_pages_ratelimited_nr(mapping, 1); +} + int pdflush_operation(void (*fn)(unsigned long), unsigned long arg0); int do_writepages(struct address_space *mapping, struct writeback_control *wbc); int sync_page_range(struct inode *inode, struct address_space *mapping, diff --git a/include/net/ieee80211softmac.h b/include/net/ieee80211softmac.h new file mode 100644 index 00000000000..b971d8c82bd --- /dev/null +++ b/include/net/ieee80211softmac.h @@ -0,0 +1,292 @@ +/* + * ieee80211softmac.h - public interface to the softmac + * + * Copyright (c) 2005 Johannes Berg <johannes@sipsolutions.net> + * Joseph Jezak <josejx@gentoo.org> + * Larry Finger <Larry.Finger@lwfinger.net> + * Danny van Dyk <kugelfang@gentoo.org> + * Michael Buesch <mbuesch@freenet.de> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * The full GNU General Public License is included in this distribution in the + * file called COPYING. + */ + +#ifndef IEEE80211SOFTMAC_H_ +#define IEEE80211SOFTMAC_H_ + +#include <linux/kernel.h> +#include <linux/spinlock.h> +#include <linux/workqueue.h> +#include <linux/list.h> +#include <net/ieee80211.h> + +/* Once the API is considered more or less stable, + * this should be incremented on API incompatible changes. + */ +#define IEEE80211SOFTMAC_API 0 + +#define IEEE80211SOFTMAC_MAX_RATES_LEN 8 +#define IEEE80211SOFTMAC_MAX_EX_RATES_LEN 255 + +struct ieee80211softmac_ratesinfo { + u8 count; + u8 rates[IEEE80211SOFTMAC_MAX_RATES_LEN + IEEE80211SOFTMAC_MAX_EX_RATES_LEN]; +}; + +/* internal structures */ +struct ieee80211softmac_network; +struct ieee80211softmac_scaninfo; + +struct ieee80211softmac_essid { + u8 len; + char data[IW_ESSID_MAX_SIZE+1]; +}; + +struct ieee80211softmac_wpa { + char *IE; + int IElen; + int IEbuflen; +}; + +/* + * Information about association + * + * Do we need a lock for this? + * We only ever use this structure inlined + * into our global struct. I've used its lock, + * but maybe we need a local one here? + */ +struct ieee80211softmac_assoc_info { + /* + * This is the requested ESSID. It is written + * only by the WX handlers. + * + */ + struct ieee80211softmac_essid req_essid; + /* + * the ESSID of the network we're currently + * associated (or trying) to. This is + * updated to the network's actual ESSID + * even if the requested ESSID was 'ANY' + */ + struct ieee80211softmac_essid associate_essid; + + /* BSSID we're trying to associate to */ + char bssid[ETH_ALEN]; + + /* some flags. + * static_essid is valid if the essid is constant, + * this is for use by the wx handlers only. + * + * associating is true, if the network has been + * auth'ed on and we are in the process of associating. + * + * bssvalid is true if we found a matching network + * and saved it's BSSID into the bssid above. + */ + u8 static_essid:1, + associating:1, + bssvalid:1; + + /* Scan retries remaining */ + int scan_retry; + + struct work_struct work; + struct work_struct timeout; +}; + +enum { + IEEE80211SOFTMAC_AUTH_OPEN_REQUEST = 1, + IEEE80211SOFTMAC_AUTH_OPEN_RESPONSE = 2, +}; + +enum { + IEEE80211SOFTMAC_AUTH_SHARED_REQUEST = 1, + IEEE80211SOFTMAC_AUTH_SHARED_CHALLENGE = 2, + IEEE80211SOFTMAC_AUTH_SHARED_RESPONSE = 3, + IEEE80211SOFTMAC_AUTH_SHARED_PASS = 4, +}; + +/* We should make these tunable + * AUTH_TIMEOUT seems really long, but that's what it is in BSD */ +#define IEEE80211SOFTMAC_AUTH_TIMEOUT (12 * HZ) +#define IEEE80211SOFTMAC_AUTH_RETRY_LIMIT 5 +#define IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT 3 + +struct ieee80211softmac_txrates { + /* The Bit-Rate to be used for multicast frames. */ + u8 mcast_rate; + /* The Bit-Rate to be used for multicast fallback + * (If the device supports fallback and hardware-retry) + */ + u8 mcast_fallback; + /* The Bit-Rate to be used for any other (normal) data packet. */ + u8 default_rate; + /* The Bit-Rate to be used for default fallback + * (If the device supports fallback and hardware-retry) + */ + u8 default_fallback; +}; + +/* Bits for txrates_change callback. */ +#define IEEE80211SOFTMAC_TXRATECHG_DEFAULT (1 << 0) /* default_rate */ +#define IEEE80211SOFTMAC_TXRATECHG_DEFAULT_FBACK (1 << 1) /* default_fallback */ +#define IEEE80211SOFTMAC_TXRATECHG_MCAST (1 << 2) /* mcast_rate */ +#define IEEE80211SOFTMAC_TXRATECHG_MCAST_FBACK (1 << 3) /* mcast_fallback */ + +struct ieee80211softmac_device { + /* 802.11 structure for data stuff */ + struct ieee80211_device *ieee; + struct net_device *dev; + + /* only valid if associated, then holds the Association ID */ + u16 association_id; + + /* the following methods are callbacks that the driver + * using this framework has to assign + */ + + /* always assign these */ + void (*set_bssid_filter)(struct net_device *dev, const u8 *bssid); + void (*set_channel)(struct net_device *dev, u8 channel); + + /* assign if you need it, informational only */ + void (*link_change)(struct net_device *dev); + + /* If the hardware can do scanning, assign _all_ three of these callbacks. + * When the scan finishes, call ieee80211softmac_scan_finished(). + */ + + /* when called, start_scan is guaranteed to not be called again + * until you call ieee80211softmac_scan_finished. + * Return 0 if scanning could start, error otherwise. + * SOFTMAC AUTHORS: don't call this, use ieee80211softmac_start_scan */ + int (*start_scan)(struct net_device *dev); + /* this should block until after ieee80211softmac_scan_finished was called + * SOFTMAC AUTHORS: don't call this, use ieee80211softmac_wait_for_scan */ + void (*wait_for_scan)(struct net_device *dev); + /* stop_scan aborts a scan, but is asynchronous. + * if you want to wait for it too, use wait_for_scan + * SOFTMAC AUTHORS: don't call this, use ieee80211softmac_stop_scan */ + void (*stop_scan)(struct net_device *dev); + + /* we'll need something about beacons here too, for AP or ad-hoc modes */ + + /* Transmission rates to be used by the driver. + * The SoftMAC figures out the best possible rates. + * The driver just needs to read them. + */ + struct ieee80211softmac_txrates txrates; + /* If the driver needs to do stuff on TX rate changes, assign this callback. */ + void (*txrates_change)(struct net_device *dev, + u32 changes, /* see IEEE80211SOFTMAC_TXRATECHG flags */ + const struct ieee80211softmac_txrates *rates_before_change); + + /* private stuff follows */ + /* this lock protects this structure */ + spinlock_t lock; + + /* couple of flags */ + u8 scanning:1, /* protects scanning from being done multiple times at once */ + associated:1; + + struct ieee80211softmac_scaninfo *scaninfo; + struct ieee80211softmac_assoc_info associnfo; + + struct list_head auth_queue; + struct list_head events; + + struct ieee80211softmac_ratesinfo ratesinfo; + int txrate_badness; + + /* WPA stuff */ + struct ieee80211softmac_wpa wpa; + + /* we need to keep a list of network structs we copied */ + struct list_head network_list; + + /* This must be the last item so that it points to the data + * allocated beyond this structure by alloc_ieee80211 */ + u8 priv[0]; +}; + +extern void ieee80211softmac_scan_finished(struct ieee80211softmac_device *sm); + +static inline void * ieee80211softmac_priv(struct net_device *dev) +{ + return ((struct ieee80211softmac_device *)ieee80211_priv(dev))->priv; +} + +extern struct net_device * alloc_ieee80211softmac(int sizeof_priv); +extern void free_ieee80211softmac(struct net_device *dev); + +/* Call this function if you detect a lost TX fragment. + * (If the device indicates failure of ACK RX, for example.) + * It is wise to call this function if you are able to detect lost packets, + * because it contributes to the TX Rates auto adjustment. + */ +extern void ieee80211softmac_fragment_lost(struct net_device *dev, + u16 wireless_sequence_number); +/* Call this function before _start to tell the softmac what rates + * the hw supports. The rates parameter is copied, so you can + * free it right after calling this function. + * Note that the rates need to be sorted. */ +extern void ieee80211softmac_set_rates(struct net_device *dev, u8 count, u8 *rates); + +/* Start the SoftMAC. Call this after you initialized the device + * and it is ready to run. + */ +extern void ieee80211softmac_start(struct net_device *dev); +/* Stop the SoftMAC. Call this before you shutdown the device. */ +extern void ieee80211softmac_stop(struct net_device *dev); + +/* + * Event system + */ + +/* valid event types */ +#define IEEE80211SOFTMAC_EVENT_ANY -1 /*private use only*/ +#define IEEE80211SOFTMAC_EVENT_SCAN_FINISHED 0 +#define IEEE80211SOFTMAC_EVENT_ASSOCIATED 1 +#define IEEE80211SOFTMAC_EVENT_ASSOCIATE_FAILED 2 +#define IEEE80211SOFTMAC_EVENT_ASSOCIATE_TIMEOUT 3 +#define IEEE80211SOFTMAC_EVENT_AUTHENTICATED 4 +#define IEEE80211SOFTMAC_EVENT_AUTH_FAILED 5 +#define IEEE80211SOFTMAC_EVENT_AUTH_TIMEOUT 6 +#define IEEE80211SOFTMAC_EVENT_ASSOCIATE_NET_NOT_FOUND 7 +/* keep this updated! */ +#define IEEE80211SOFTMAC_EVENT_LAST 7 +/* + * If you want to be notified of certain events, you can call + * ieee80211softmac_notify[_atomic] with + * - event set to one of the constants below + * - fun set to a function pointer of the appropriate type + * - context set to the context data you want passed + * The return value is 0, or an error. + */ +typedef void (*notify_function_ptr)(struct net_device *dev, void *context); + +#define ieee80211softmac_notify(dev, event, fun, context) ieee80211softmac_notify_gfp(dev, event, fun, context, GFP_KERNEL); +#define ieee80211softmac_notify_atomic(dev, event, fun, context) ieee80211softmac_notify_gfp(dev, event, fun, context, GFP_ATOMIC); + +extern int ieee80211softmac_notify_gfp(struct net_device *dev, + int event, notify_function_ptr fun, void *context, gfp_t gfp_mask); + +/* To clear pending work (for ifconfig down, etc.) */ +extern void +ieee80211softmac_clear_pending_work(struct ieee80211softmac_device *sm); + +#endif /* IEEE80211SOFTMAC_H_ */ diff --git a/include/net/ieee80211softmac_wx.h b/include/net/ieee80211softmac_wx.h new file mode 100644 index 00000000000..3e0be453ece --- /dev/null +++ b/include/net/ieee80211softmac_wx.h @@ -0,0 +1,94 @@ +/* + * This file contains the prototypes for the wireless extension + * handlers that the softmac API provides. Include this file to + * use the wx handlers, you can assign these directly. + * + * Copyright (c) 2005 Johannes Berg <johannes@sipsolutions.net> + * Joseph Jezak <josejx@gentoo.org> + * Larry Finger <Larry.Finger@lwfinger.net> + * Danny van Dyk <kugelfang@gentoo.org> + * Michael Buesch <mbuesch@freenet.de> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + * The full GNU General Public License is included in this distribution in the + * file called COPYING. + */ + +#ifndef _IEEE80211SOFTMAC_WX_H +#define _IEEE80211SOFTMAC_WX_H + +#include <net/ieee80211softmac.h> +#include <net/iw_handler.h> + +extern int +ieee80211softmac_wx_trigger_scan(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra); + +extern int +ieee80211softmac_wx_get_scan_results(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra); + +extern int +ieee80211softmac_wx_set_essid(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra); + +extern int +ieee80211softmac_wx_get_essid(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra); + +extern int +ieee80211softmac_wx_set_rate(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra); + +extern int +ieee80211softmac_wx_get_rate(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra); + +extern int +ieee80211softmac_wx_get_wap(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra); + +extern int +ieee80211softmac_wx_set_wap(struct net_device *net_dev, + struct iw_request_info *info, + union iwreq_data *data, + char *extra); + +extern int +ieee80211softmac_wx_set_genie(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, + char *extra); + +extern int +ieee80211softmac_wx_get_genie(struct net_device *dev, + struct iw_request_info *info, + union iwreq_data *wrqu, + char *extra); +#endif /* _IEEE80211SOFTMAC_WX */ diff --git a/include/net/iw_handler.h b/include/net/iw_handler.h index a2c5e0b8842..10559e937d2 100644 --- a/include/net/iw_handler.h +++ b/include/net/iw_handler.h @@ -4,7 +4,7 @@ * Version : 7 18.3.05 * * Authors : Jean Tourrilhes - HPL - <jt@hpl.hp.com> - * Copyright (c) 2001-2005 Jean Tourrilhes, All Rights Reserved. + * Copyright (c) 2001-2006 Jean Tourrilhes, All Rights Reserved. */ #ifndef _IW_HANDLER_H @@ -436,6 +436,16 @@ extern int dev_get_wireless_info(char * buffer, char **start, off_t offset, /* Handle IOCTLs, called in net/core/dev.c */ extern int wireless_process_ioctl(struct ifreq *ifr, unsigned int cmd); +/* Handle RtNetlink requests, called in net/core/rtnetlink.c */ +extern int wireless_rtnetlink_set(struct net_device * dev, + char * data, + int len); +extern int wireless_rtnetlink_get(struct net_device * dev, + char * data, + int len, + char ** p_buf, + int * p_len); + /* Second : functions that may be called by driver modules */ /* Send a single event to user space */ diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index a6cf3e535c0..dc6862d09e5 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -286,7 +286,7 @@ struct scsi_host_template { * suspend support */ int (*resume)(struct scsi_device *); - int (*suspend)(struct scsi_device *); + int (*suspend)(struct scsi_device *, pm_message_t state); /* * Name of proc directory diff --git a/include/sound/opl3.h b/include/sound/opl3.h index 444907166f9..82fdb093072 100644 --- a/include/sound/opl3.h +++ b/include/sound/opl3.h @@ -230,7 +230,6 @@ #define OPL3_HW_OPL3_CS 0x0302 /* CS4232/CS4236+ */ #define OPL3_HW_OPL3_FM801 0x0303 /* FM801 */ #define OPL3_HW_OPL3_CS4281 0x0304 /* CS4281 */ -#define OPL3_HW_OPL3_PC98 0x0305 /* PC9800 */ #define OPL3_HW_OPL4 0x0400 /* YMF278B/YMF295 */ #define OPL3_HW_OPL4_ML 0x0401 /* YMF704/YMF721 */ #define OPL3_HW_MASK 0xff00 |