diff options
Diffstat (limited to 'include')
51 files changed, 589 insertions, 1315 deletions
diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index 886dbd11689..0b49f9e070f 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -13,5 +13,6 @@ extern char _eextratext[] __attribute__((weak)); extern char _end[]; extern char __per_cpu_start[], __per_cpu_end[]; extern char __kprobes_text_start[], __kprobes_text_end[]; +extern char __initdata_begin[], __initdata_end[]; #endif /* _ASM_GENERIC_SECTIONS_H_ */ diff --git a/include/asm-i386/mach-default/mach_reboot.h b/include/asm-i386/mach-default/mach_reboot.h index 06ae4d81ba6..a955e57ad01 100644 --- a/include/asm-i386/mach-default/mach_reboot.h +++ b/include/asm-i386/mach-default/mach_reboot.h @@ -19,7 +19,7 @@ static inline void kb_wait(void) static inline void mach_reboot(void) { int i; - for (i = 0; i < 100; i++) { + for (i = 0; i < 10; i++) { kb_wait(); udelay(50); outb(0x60, 0x64); /* write Controller Command Byte */ diff --git a/include/asm-i386/processor.h b/include/asm-i386/processor.h index 8c02b031870..5c96cf6dcb3 100644 --- a/include/asm-i386/processor.h +++ b/include/asm-i386/processor.h @@ -65,7 +65,9 @@ struct cpuinfo_x86 { int f00f_bug; int coma_bug; unsigned long loops_per_jiffy; - unsigned char x86_num_cores; + unsigned char x86_max_cores; /* cpuid returned max cores value */ + unsigned char booted_cores; /* number of cores as seen by OS */ + unsigned char apicid; } __attribute__((__aligned__(SMP_CACHE_BYTES))); #define X86_VENDOR_INTEL 0 diff --git a/include/asm-ppc64/btext.h b/include/asm-powerpc/btext.h index 71cce36bc63..71cce36bc63 100644 --- a/include/asm-ppc64/btext.h +++ b/include/asm-powerpc/btext.h diff --git a/include/asm-ppc64/delay.h b/include/asm-powerpc/delay.h index 05f198cf73d..1492aa9ab71 100644 --- a/include/asm-ppc64/delay.h +++ b/include/asm-powerpc/delay.h @@ -1,5 +1,5 @@ -#ifndef _PPC64_DELAY_H -#define _PPC64_DELAY_H +#ifndef _ASM_POWERPC_DELAY_H +#define _ASM_POWERPC_DELAY_H /* * Copyright 1996, Paul Mackerras. @@ -15,10 +15,17 @@ extern unsigned long tb_ticks_per_usec; -/* define these here to prevent circular dependencies */ +#ifdef CONFIG_PPC64 +/* define these here to prevent circular dependencies */ +/* these instructions control the thread priority on multi-threaded cpus */ #define __HMT_low() asm volatile("or 1,1,1") #define __HMT_medium() asm volatile("or 2,2,2") -#define __barrier() asm volatile("":::"memory") +#else +#define __HMT_low() +#define __HMT_medium() +#endif + +#define __barrier() asm volatile("" ::: "memory") static inline unsigned long __get_tb(void) { @@ -32,7 +39,7 @@ static inline void __delay(unsigned long loops) { unsigned long start = __get_tb(); - while((__get_tb()-start) < loops) + while((__get_tb() - start) < loops) __HMT_low(); __HMT_medium(); __barrier(); @@ -45,4 +52,4 @@ static inline void udelay(unsigned long usecs) __delay(loops); } -#endif /* _PPC64_DELAY_H */ +#endif /* _ASM_POWERPC_DELAY_H */ diff --git a/include/asm-ppc64/eeh.h b/include/asm-powerpc/eeh.h index 89f26ab3190..89f26ab3190 100644 --- a/include/asm-ppc64/eeh.h +++ b/include/asm-powerpc/eeh.h diff --git a/include/asm-ppc64/floppy.h b/include/asm-powerpc/floppy.h index 5c497b588e5..64276a3f615 100644 --- a/include/asm-ppc64/floppy.h +++ b/include/asm-powerpc/floppy.h @@ -7,22 +7,22 @@ * * Copyright (C) 1995 */ -#ifndef __ASM_PPC64_FLOPPY_H -#define __ASM_PPC64_FLOPPY_H +#ifndef __ASM_POWERPC_FLOPPY_H +#define __ASM_POWERPC_FLOPPY_H #include <linux/config.h> #include <asm/machdep.h> -#define fd_inb(port) inb_p(port) -#define fd_outb(value,port) outb_p(value,port) +#define fd_inb(port) inb_p(port) +#define fd_outb(value,port) outb_p(value,port) #define fd_enable_dma() enable_dma(FLOPPY_DMA) #define fd_disable_dma() disable_dma(FLOPPY_DMA) -#define fd_request_dma() request_dma(FLOPPY_DMA,"floppy") +#define fd_request_dma() request_dma(FLOPPY_DMA, "floppy") #define fd_free_dma() free_dma(FLOPPY_DMA) #define fd_clear_dma_ff() clear_dma_ff(FLOPPY_DMA) -#define fd_set_dma_mode(mode) set_dma_mode(FLOPPY_DMA,mode) -#define fd_set_dma_count(count) set_dma_count(FLOPPY_DMA,count) +#define fd_set_dma_mode(mode) set_dma_mode(FLOPPY_DMA, mode) +#define fd_set_dma_count(count) set_dma_count(FLOPPY_DMA, count) #define fd_enable_irq() enable_irq(FLOPPY_IRQ) #define fd_disable_irq() disable_irq(FLOPPY_IRQ) #define fd_cacheflush(addr,size) /* nothing */ @@ -35,10 +35,10 @@ #include <linux/pci.h> -#define fd_dma_setup(addr,size,mode,io) ppc64_fd_dma_setup(addr,size,mode,io) +#define fd_dma_setup(addr,size,mode,io) powerpc_fd_dma_setup(addr,size,mode,io) -static __inline__ int -ppc64_fd_dma_setup(char *addr, unsigned long size, int mode, int io) +static __inline__ int powerpc_fd_dma_setup(char *addr, unsigned long size, + int mode, int io) { static unsigned long prev_size; static dma_addr_t bus_addr = 0; @@ -55,9 +55,8 @@ ppc64_fd_dma_setup(char *addr, unsigned long size, int mode, int io) bus_addr = 0; } - if (!bus_addr) /* need to map it */ { + if (!bus_addr) /* need to map it */ bus_addr = pci_map_single(NULL, addr, size, dir); - } /* remember this one as prev */ prev_addr = addr; @@ -103,4 +102,4 @@ static int FDC2 = -1; #define EXTRA_FLOPPY_PARAMS -#endif /* __ASM_PPC64_FLOPPY_H */ +#endif /* __ASM_POWERPC_FLOPPY_H */ diff --git a/include/asm-ppc64/hvconsole.h b/include/asm-powerpc/hvconsole.h index 6da93ce74dc..6da93ce74dc 100644 --- a/include/asm-ppc64/hvconsole.h +++ b/include/asm-powerpc/hvconsole.h diff --git a/include/asm-ppc64/hvcserver.h b/include/asm-powerpc/hvcserver.h index aecba966579..aecba966579 100644 --- a/include/asm-ppc64/hvcserver.h +++ b/include/asm-powerpc/hvcserver.h diff --git a/include/asm-powerpc/kexec.h b/include/asm-powerpc/kexec.h index 062ab9ba68e..c72ffc709ea 100644 --- a/include/asm-powerpc/kexec.h +++ b/include/asm-powerpc/kexec.h @@ -40,6 +40,7 @@ extern note_buf_t crash_notes[]; #ifdef __powerpc64__ extern void kexec_smp_wait(void); /* get and clear naca physid, wait for master to copy new code to 0 */ +extern void __init kexec_setup(void); #else struct kimage; extern void machine_kexec_simple(struct kimage *image); diff --git a/include/asm-powerpc/machdep.h b/include/asm-powerpc/machdep.h index 5670f0cd614..c011abb8b60 100644 --- a/include/asm-powerpc/machdep.h +++ b/include/asm-powerpc/machdep.h @@ -93,7 +93,9 @@ struct machdep_calls { void (*init_IRQ)(void); int (*get_irq)(struct pt_regs *); - void (*cpu_irq_down)(int secondary); +#ifdef CONFIG_KEXEC + void (*kexec_cpu_down)(int crash_shutdown, int secondary); +#endif /* PCI stuff */ /* Called after scanning the bus, before allocating resources */ diff --git a/include/asm-ppc64/nvram.h b/include/asm-powerpc/nvram.h index def47d720d3..24bd8c2388e 100644 --- a/include/asm-ppc64/nvram.h +++ b/include/asm-powerpc/nvram.h @@ -1,6 +1,5 @@ /* - * PreP compliant NVRAM access - * This needs to be updated for PPC64 + * NVRAM definitions and access functions. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -8,8 +7,8 @@ * 2 of the License, or (at your option) any later version. */ -#ifndef _PPC64_NVRAM_H -#define _PPC64_NVRAM_H +#ifndef _ASM_POWERPC_NVRAM_H +#define _ASM_POWERPC_NVRAM_H #define NVRW_CNT 0x20 #define NVRAM_HEADER_LEN 16 /* sizeof(struct nvram_header) */ @@ -69,7 +68,6 @@ extern int nvram_clear_error_log(void); extern struct nvram_partition *nvram_find_partition(int sig, const char *name); extern int pSeries_nvram_init(void); -extern int pmac_nvram_init(void); extern int mmio_nvram_init(void); /* PowerMac specific nvram stuffs */ @@ -88,7 +86,11 @@ extern u8 pmac_xpram_read(int xpaddr); extern void pmac_xpram_write(int xpaddr, u8 data); /* Synchronize NVRAM */ -extern int nvram_sync(void); +extern void nvram_sync(void); + +/* Normal access to NVRAM */ +extern unsigned char nvram_read_byte(int i); +extern void nvram_write_byte(unsigned char c, int i); /* Some offsets in XPRAM */ #define PMAC_XPRAM_MACHINE_LOC 0xe4 @@ -112,5 +114,6 @@ struct pmac_machine_location { _IOWR('p', 0x40, int) #define IOC_NVRAM_GET_OFFSET _IOWR('p', 0x42, int) /* Get NVRAM partition offset */ +#define IOC_NVRAM_SYNC _IO('p', 0x43) /* Sync NVRAM image */ -#endif /* _PPC64_NVRAM_H */ +#endif /* _ASM_POWERPC_NVRAM_H */ diff --git a/include/asm-powerpc/page.h b/include/asm-powerpc/page.h new file mode 100644 index 00000000000..18c1e5ee81a --- /dev/null +++ b/include/asm-powerpc/page.h @@ -0,0 +1,179 @@ +#ifndef _ASM_POWERPC_PAGE_H +#define _ASM_POWERPC_PAGE_H + +/* + * Copyright (C) 2001,2005 IBM Corporation. + * + * 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. + */ + +#ifdef __KERNEL__ +#include <linux/config.h> +#include <asm/asm-compat.h> + +/* + * On PPC32 page size is 4K. For PPC64 we support either 4K or 64K software + * page size. When using 64K pages however, whether we are really supporting + * 64K pages in HW or not is irrelevant to those definitions. + */ +#ifdef CONFIG_PPC_64K_PAGES +#define PAGE_SHIFT 16 +#else +#define PAGE_SHIFT 12 +#endif + +#define PAGE_SIZE (ASM_CONST(1) << PAGE_SHIFT) + +/* We do define AT_SYSINFO_EHDR but don't use the gate mechanism */ +#define __HAVE_ARCH_GATE_AREA 1 + +/* + * Subtle: (1 << PAGE_SHIFT) is an int, not an unsigned long. So if we + * assign PAGE_MASK to a larger type it gets extended the way we want + * (i.e. with 1s in the high bits) + */ +#define PAGE_MASK (~((1 << PAGE_SHIFT) - 1)) + +#define PAGE_OFFSET ASM_CONST(CONFIG_KERNEL_START) +#define KERNELBASE PAGE_OFFSET + +#ifdef CONFIG_DISCONTIGMEM +#define page_to_pfn(page) discontigmem_page_to_pfn(page) +#define pfn_to_page(pfn) discontigmem_pfn_to_page(pfn) +#define pfn_valid(pfn) discontigmem_pfn_valid(pfn) +#endif + +#ifdef CONFIG_FLATMEM +#define pfn_to_page(pfn) (mem_map + (pfn)) +#define page_to_pfn(page) ((unsigned long)((page) - mem_map)) +#define pfn_valid(pfn) ((pfn) < max_mapnr) +#endif + +#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) +#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) +#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) + +#define __va(x) ((void *)((unsigned long)(x) + KERNELBASE)) +#define __pa(x) ((unsigned long)(x) - PAGE_OFFSET) + +/* + * Unfortunately the PLT is in the BSS in the PPC32 ELF ABI, + * and needs to be executable. This means the whole heap ends + * up being executable. + */ +#define VM_DATA_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \ + VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) + +#define VM_DATA_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \ + VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) + +#ifdef __powerpc64__ +#include <asm/page_64.h> +#else +#include <asm/page_32.h> +#endif + +/* align addr on a size boundary - adjust address up/down if needed */ +#define _ALIGN_UP(addr,size) (((addr)+((size)-1))&(~((size)-1))) +#define _ALIGN_DOWN(addr,size) ((addr)&(~((size)-1))) + +/* align addr on a size boundary - adjust address up if needed */ +#define _ALIGN(addr,size) _ALIGN_UP(addr,size) + +/* to align the pointer to the (next) page boundary */ +#define PAGE_ALIGN(addr) _ALIGN(addr, PAGE_SIZE) + +#ifndef __ASSEMBLY__ + +#undef STRICT_MM_TYPECHECKS + +#ifdef STRICT_MM_TYPECHECKS +/* These are used to make use of C type-checking. */ + +/* PTE level */ +typedef struct { pte_basic_t pte; } pte_t; +#define pte_val(x) ((x).pte) +#define __pte(x) ((pte_t) { (x) }) + +/* 64k pages additionally define a bigger "real PTE" type that gathers + * the "second half" part of the PTE for pseudo 64k pages + */ +#ifdef CONFIG_PPC_64K_PAGES +typedef struct { pte_t pte; unsigned long hidx; } real_pte_t; +#else +typedef struct { pte_t pte; } real_pte_t; +#endif + +/* PMD level */ +typedef struct { unsigned long pmd; } pmd_t; +#define pmd_val(x) ((x).pmd) +#define __pmd(x) ((pmd_t) { (x) }) + +/* PUD level exusts only on 4k pages */ +#ifndef CONFIG_PPC_64K_PAGES +typedef struct { unsigned long pud; } pud_t; +#define pud_val(x) ((x).pud) +#define __pud(x) ((pud_t) { (x) }) +#endif + +/* PGD level */ +typedef struct { unsigned long pgd; } pgd_t; +#define pgd_val(x) ((x).pgd) +#define __pgd(x) ((pgd_t) { (x) }) + +/* Page protection bits */ +typedef struct { unsigned long pgprot; } pgprot_t; +#define pgprot_val(x) ((x).pgprot) +#define __pgprot(x) ((pgprot_t) { (x) }) + +#else + +/* + * .. while these make it easier on the compiler + */ + +typedef pte_basic_t pte_t; +#define pte_val(x) (x) +#define __pte(x) (x) + +#ifdef CONFIG_PPC_64K_PAGES +typedef struct { pte_t pte; unsigned long hidx; } real_pte_t; +#else +typedef unsigned long real_pte_t; +#endif + + +typedef unsigned long pmd_t; +#define pmd_val(x) (x) +#define __pmd(x) (x) + +#ifndef CONFIG_PPC_64K_PAGES +typedef unsigned long pud_t; +#define pud_val(x) (x) +#define __pud(x) (x) +#endif + +typedef unsigned long pgd_t; +#define pgd_val(x) (x) +#define pgprot_val(x) (x) + +typedef unsigned long pgprot_t; +#define __pgd(x) (x) +#define __pgprot(x) (x) + +#endif + +struct page; +extern void clear_user_page(void *page, unsigned long vaddr, struct page *pg); +extern void copy_user_page(void *to, void *from, unsigned long vaddr, + struct page *p); +extern int page_is_ram(unsigned long pfn); + +#endif /* __ASSEMBLY__ */ + +#endif /* __KERNEL__ */ + +#endif /* _ASM_POWERPC_PAGE_H */ diff --git a/include/asm-powerpc/page_32.h b/include/asm-powerpc/page_32.h new file mode 100644 index 00000000000..7259cfd85da --- /dev/null +++ b/include/asm-powerpc/page_32.h @@ -0,0 +1,40 @@ +#ifndef _ASM_POWERPC_PAGE_32_H +#define _ASM_POWERPC_PAGE_32_H + +#define VM_DATA_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS32 + +#define PPC_MEMSTART 0 + +#ifndef __ASSEMBLY__ +/* + * The basic type of a PTE - 64 bits for those CPUs with > 32 bit + * physical addressing. For now this just the IBM PPC440. + */ +#ifdef CONFIG_PTE_64BIT +typedef unsigned long long pte_basic_t; +#define PTE_SHIFT (PAGE_SHIFT - 3) /* 512 ptes per page */ +#define PTE_FMT "%16Lx" +#else +typedef unsigned long pte_basic_t; +#define PTE_SHIFT (PAGE_SHIFT - 2) /* 1024 ptes per page */ +#define PTE_FMT "%.8lx" +#endif + +struct page; +extern void clear_pages(void *page, int order); +static inline void clear_page(void *page) { clear_pages(page, 0); } +extern void copy_page(void *to, void *from); + +/* Pure 2^n version of get_order */ +extern __inline__ int get_order(unsigned long size) +{ + int lz; + + size = (size-1) >> PAGE_SHIFT; + asm ("cntlzw %0,%1" : "=r" (lz) : "r" (size)); + return 32 - lz; +} + +#endif /* __ASSEMBLY__ */ + +#endif /* _ASM_POWERPC_PAGE_32_H */ diff --git a/include/asm-powerpc/page_64.h b/include/asm-powerpc/page_64.h new file mode 100644 index 00000000000..c16f106b537 --- /dev/null +++ b/include/asm-powerpc/page_64.h @@ -0,0 +1,174 @@ +#ifndef _ASM_POWERPC_PAGE_64_H +#define _ASM_POWERPC_PAGE_64_H + +/* + * Copyright (C) 2001 PPC64 Team, 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. + */ + +/* + * We always define HW_PAGE_SHIFT to 12 as use of 64K pages remains Linux + * specific, every notion of page number shared with the firmware, TCEs, + * iommu, etc... still uses a page size of 4K. + */ +#define HW_PAGE_SHIFT 12 +#define HW_PAGE_SIZE (ASM_CONST(1) << HW_PAGE_SHIFT) +#define HW_PAGE_MASK (~(HW_PAGE_SIZE-1)) + +/* + * PAGE_FACTOR is the number of bits factor between PAGE_SHIFT and + * HW_PAGE_SHIFT, that is 4K pages. + */ +#define PAGE_FACTOR (PAGE_SHIFT - HW_PAGE_SHIFT) + +#define REGION_SIZE 4UL +#define REGION_SHIFT 60UL +#define REGION_MASK (((1UL<<REGION_SIZE)-1UL)<<REGION_SHIFT) + +#define VMALLOCBASE ASM_CONST(0xD000000000000000) +#define VMALLOC_REGION_ID (VMALLOCBASE >> REGION_SHIFT) +#define KERNEL_REGION_ID (KERNELBASE >> REGION_SHIFT) +#define USER_REGION_ID (0UL) +#define REGION_ID(ea) (((unsigned long)(ea)) >> REGION_SHIFT) + +/* Segment size */ +#define SID_SHIFT 28 +#define SID_MASK 0xfffffffffUL +#define ESID_MASK 0xfffffffff0000000UL +#define GET_ESID(x) (((x) >> SID_SHIFT) & SID_MASK) + +#ifndef __ASSEMBLY__ +#include <asm/cache.h> + +typedef unsigned long pte_basic_t; + +static __inline__ void clear_page(void *addr) +{ + unsigned long lines, line_size; + + line_size = ppc64_caches.dline_size; + lines = ppc64_caches.dlines_per_page; + + __asm__ __volatile__( + "mtctr %1 # clear_page\n\ +1: dcbz 0,%0\n\ + add %0,%0,%3\n\ + bdnz+ 1b" + : "=r" (addr) + : "r" (lines), "0" (addr), "r" (line_size) + : "ctr", "memory"); +} + +extern void copy_4K_page(void *to, void *from); + +#ifdef CONFIG_PPC_64K_PAGES +static inline void copy_page(void *to, void *from) +{ + unsigned int i; + for (i=0; i < (1 << (PAGE_SHIFT - 12)); i++) { + copy_4K_page(to, from); + to += 4096; + from += 4096; + } +} +#else /* CONFIG_PPC_64K_PAGES */ +static inline void copy_page(void *to, void *from) +{ + copy_4K_page(to, from); +} +#endif /* CONFIG_PPC_64K_PAGES */ + +/* Log 2 of page table size */ +extern u64 ppc64_pft_size; + +/* Large pages size */ +extern unsigned int HPAGE_SHIFT; +#define HPAGE_SIZE ((1UL) << HPAGE_SHIFT) +#define HPAGE_MASK (~(HPAGE_SIZE - 1)) +#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) + +#endif /* __ASSEMBLY__ */ + +#ifdef CONFIG_HUGETLB_PAGE + +#define HTLB_AREA_SHIFT 40 +#define HTLB_AREA_SIZE (1UL << HTLB_AREA_SHIFT) +#define GET_HTLB_AREA(x) ((x) >> HTLB_AREA_SHIFT) + +#define LOW_ESID_MASK(addr, len) (((1U << (GET_ESID(addr+len-1)+1)) \ + - (1U << GET_ESID(addr))) & 0xffff) +#define HTLB_AREA_MASK(addr, len) (((1U << (GET_HTLB_AREA(addr+len-1)+1)) \ + - (1U << GET_HTLB_AREA(addr))) & 0xffff) + +#define ARCH_HAS_HUGEPAGE_ONLY_RANGE +#define ARCH_HAS_PREPARE_HUGEPAGE_RANGE +#define ARCH_HAS_SETCLEAR_HUGE_PTE + +#define touches_hugepage_low_range(mm, addr, len) \ + (LOW_ESID_MASK((addr), (len)) & (mm)->context.low_htlb_areas) +#define touches_hugepage_high_range(mm, addr, len) \ + (HTLB_AREA_MASK((addr), (len)) & (mm)->context.high_htlb_areas) + +#define __within_hugepage_low_range(addr, len, segmask) \ + ((LOW_ESID_MASK((addr), (len)) | (segmask)) == (segmask)) +#define within_hugepage_low_range(addr, len) \ + __within_hugepage_low_range((addr), (len), \ + current->mm->context.low_htlb_areas) +#define __within_hugepage_high_range(addr, len, zonemask) \ + ((HTLB_AREA_MASK((addr), (len)) | (zonemask)) == (zonemask)) +#define within_hugepage_high_range(addr, len) \ + __within_hugepage_high_range((addr), (len), \ + current->mm->context.high_htlb_areas) + +#define is_hugepage_only_range(mm, addr, len) \ + (touches_hugepage_high_range((mm), (addr), (len)) || \ + touches_hugepage_low_range((mm), (addr), (len))) +#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA + +#define in_hugepage_area(context, addr) \ + (cpu_has_feature(CPU_FTR_16M_PAGE) && \ + ( ((1 << GET_HTLB_AREA(addr)) & (context).high_htlb_areas) || \ + ( ((addr) < 0x100000000L) && \ + ((1 << GET_ESID(addr)) & (context).low_htlb_areas) ) ) ) + +#else /* !CONFIG_HUGETLB_PAGE */ + +#define in_hugepage_area(mm, addr) 0 + +#endif /* !CONFIG_HUGETLB_PAGE */ + +#ifdef MODULE +#define __page_aligned __attribute__((__aligned__(PAGE_SIZE))) +#else +#define __page_aligned \ + __attribute__((__aligned__(PAGE_SIZE), \ + __section__(".data.page_aligned"))) +#endif + +#define VM_DATA_DEFAULT_FLAGS \ + (test_thread_flag(TIF_32BIT) ? \ + VM_DATA_DEFAULT_FLAGS32 : VM_DATA_DEFAULT_FLAGS64) + +/* + * This is the default if a program doesn't have a PT_GNU_STACK + * program header entry. The PPC64 ELF ABI has a non executable stack + * stack by default, so in the absense of a PT_GNU_STACK program header + * we turn execute permission off. + */ +#define VM_STACK_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \ + VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) + +#define VM_STACK_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \ + VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) + +#define VM_STACK_DEFAULT_FLAGS \ + (test_thread_flag(TIF_32BIT) ? \ + VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64) + +#include <asm-generic/page.h> + +#endif /* _ASM_POWERPC_PAGE_64_H */ diff --git a/include/asm-ppc64/serial.h b/include/asm-powerpc/serial.h index d6bcb79b7d7..b273d630b32 100644 --- a/include/asm-ppc64/serial.h +++ b/include/asm-powerpc/serial.h @@ -1,21 +1,16 @@ /* - * include/asm-ppc64/serial.h - */ -#ifndef _PPC64_SERIAL_H -#define _PPC64_SERIAL_H - -/* - * This assumes you have a 1.8432 MHz clock for your UART. - * - * It'd be nice if someone built a serial card with a 24.576 MHz - * clock, since the 16550A is capable of handling a top speed of 1.5 - * megabits/second; but this requires the faster clock. - * * 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. */ +#ifndef _ASM_POWERPC_SERIAL_H +#define _ASM_POWERPC_SERIAL_H + +/* + * Serial ports are not listed here, because they are discovered + * through the device tree. + */ /* Default baud base if not found in device-tree */ #define BASE_BAUD ( 1843200 / 16 ) diff --git a/include/asm-powerpc/vdso_datapage.h b/include/asm-powerpc/vdso_datapage.h index fc323b51366..411832d5bbd 100644 --- a/include/asm-powerpc/vdso_datapage.h +++ b/include/asm-powerpc/vdso_datapage.h @@ -73,7 +73,7 @@ struct vdso_data { /* those additional ones don't have to be located anywhere * special as they were not part of the original systemcfg */ - __s64 wtom_clock_sec; /* Wall to monotonic clock */ + __s32 wtom_clock_sec; /* Wall to monotonic clock */ __s32 wtom_clock_nsec; __u32 syscall_map_64[SYSCALL_MAP_SIZE]; /* map of syscalls */ __u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of syscalls */ diff --git a/include/asm-ppc/nvram.h b/include/asm-ppc/nvram.h deleted file mode 100644 index 31ef16e3fc4..00000000000 --- a/include/asm-ppc/nvram.h +++ /dev/null @@ -1,73 +0,0 @@ -/* - * PreP compliant NVRAM access - */ - -#ifdef __KERNEL__ -#ifndef _PPC_NVRAM_H -#define _PPC_NVRAM_H - -#define NVRAM_AS0 0x74 -#define NVRAM_AS1 0x75 -#define NVRAM_DATA 0x77 - - -/* RTC Offsets */ - -#define MOTO_RTC_SECONDS 0x1FF9 -#define MOTO_RTC_MINUTES 0x1FFA -#define MOTO_RTC_HOURS 0x1FFB -#define MOTO_RTC_DAY_OF_WEEK 0x1FFC -#define MOTO_RTC_DAY_OF_MONTH 0x1FFD -#define MOTO_RTC_MONTH 0x1FFE -#define MOTO_RTC_YEAR 0x1FFF -#define MOTO_RTC_CONTROLA 0x1FF8 -#define MOTO_RTC_CONTROLB 0x1FF9 - -/* PowerMac specific nvram stuffs */ - -enum { - pmac_nvram_OF, /* Open Firmware partition */ - pmac_nvram_XPRAM, /* MacOS XPRAM partition */ - pmac_nvram_NR /* MacOS Name Registry partition */ -}; - -/* Return partition offset in nvram */ -extern int pmac_get_partition(int partition); - -/* Direct access to XPRAM on PowerMacs */ -extern u8 pmac_xpram_read(int xpaddr); -extern void pmac_xpram_write(int xpaddr, u8 data); - -/* Synchronize NVRAM */ -extern void nvram_sync(void); - -/* Normal access to NVRAM */ -extern unsigned char nvram_read_byte(int i); -extern void nvram_write_byte(unsigned char c, int i); - -/* Some offsets in XPRAM */ -#define PMAC_XPRAM_MACHINE_LOC 0xe4 -#define PMAC_XPRAM_SOUND_VOLUME 0x08 - -/* Machine location structure in PowerMac XPRAM */ -struct pmac_machine_location { - unsigned int latitude; /* 2+30 bit Fractional number */ - unsigned int longitude; /* 2+30 bit Fractional number */ - unsigned int delta; /* mix of GMT delta and DLS */ -}; - -/* - * /dev/nvram ioctls - * - * Note that PMAC_NVRAM_GET_OFFSET is still supported, but is - * definitely obsolete. Do not use it if you can avoid it - */ - -#define OBSOLETE_PMAC_NVRAM_GET_OFFSET \ - _IOWR('p', 0x40, int) - -#define IOC_NVRAM_GET_OFFSET _IOWR('p', 0x42, int) /* Get NVRAM partition offset */ -#define IOC_NVRAM_SYNC _IO('p', 0x43) /* Sync NVRAM image */ - -#endif -#endif /* __KERNEL__ */ diff --git a/include/asm-ppc64/page.h b/include/asm-ppc64/page.h deleted file mode 100644 index 3efc3288f7e..00000000000 --- a/include/asm-ppc64/page.h +++ /dev/null @@ -1,328 +0,0 @@ -#ifndef _PPC64_PAGE_H -#define _PPC64_PAGE_H - -/* - * Copyright (C) 2001 PPC64 Team, 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. - */ - -#include <linux/config.h> -#include <asm/asm-compat.h> - -/* - * We support either 4k or 64k software page size. When using 64k pages - * however, wether we are really supporting 64k pages in HW or not is - * irrelevant to those definitions. We always define HW_PAGE_SHIFT to 12 - * as use of 64k pages remains a linux kernel specific, every notion of - * page number shared with the firmware, TCEs, iommu, etc... still assumes - * a page size of 4096. - */ -#ifdef CONFIG_PPC_64K_PAGES -#define PAGE_SHIFT 16 -#else -#define PAGE_SHIFT 12 -#endif - -#define PAGE_SIZE (ASM_CONST(1) << PAGE_SHIFT) -#define PAGE_MASK (~(PAGE_SIZE-1)) - -/* HW_PAGE_SHIFT is always 4k pages */ -#define HW_PAGE_SHIFT 12 -#define HW_PAGE_SIZE (ASM_CONST(1) << HW_PAGE_SHIFT) -#define HW_PAGE_MASK (~(HW_PAGE_SIZE-1)) - -/* PAGE_FACTOR is the number of bits factor between PAGE_SHIFT and - * HW_PAGE_SHIFT, that is 4k pages - */ -#define PAGE_FACTOR (PAGE_SHIFT - HW_PAGE_SHIFT) - -/* Segment size */ -#define SID_SHIFT 28 -#define SID_MASK 0xfffffffffUL -#define ESID_MASK 0xfffffffff0000000UL -#define GET_ESID(x) (((x) >> SID_SHIFT) & SID_MASK) - -/* Large pages size */ - -#ifndef __ASSEMBLY__ -extern unsigned int HPAGE_SHIFT; -#define HPAGE_SIZE ((1UL) << HPAGE_SHIFT) -#define HPAGE_MASK (~(HPAGE_SIZE - 1)) -#define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) -#endif /* __ASSEMBLY__ */ - -#ifdef CONFIG_HUGETLB_PAGE - - -#define HTLB_AREA_SHIFT 40 -#define HTLB_AREA_SIZE (1UL << HTLB_AREA_SHIFT) -#define GET_HTLB_AREA(x) ((x) >> HTLB_AREA_SHIFT) - -#define LOW_ESID_MASK(addr, len) (((1U << (GET_ESID(addr+len-1)+1)) \ - - (1U << GET_ESID(addr))) & 0xffff) -#define HTLB_AREA_MASK(addr, len) (((1U << (GET_HTLB_AREA(addr+len-1)+1)) \ - - (1U << GET_HTLB_AREA(addr))) & 0xffff) - -#define ARCH_HAS_HUGEPAGE_ONLY_RANGE -#define ARCH_HAS_PREPARE_HUGEPAGE_RANGE -#define ARCH_HAS_SETCLEAR_HUGE_PTE - -#define touches_hugepage_low_range(mm, addr, len) \ - (LOW_ESID_MASK((addr), (len)) & (mm)->context.low_htlb_areas) -#define touches_hugepage_high_range(mm, addr, len) \ - (HTLB_AREA_MASK((addr), (len)) & (mm)->context.high_htlb_areas) - -#define __within_hugepage_low_range(addr, len, segmask) \ - ((LOW_ESID_MASK((addr), (len)) | (segmask)) == (segmask)) -#define within_hugepage_low_range(addr, len) \ - __within_hugepage_low_range((addr), (len), \ - current->mm->context.low_htlb_areas) -#define __within_hugepage_high_range(addr, len, zonemask) \ - ((HTLB_AREA_MASK((addr), (len)) | (zonemask)) == (zonemask)) -#define within_hugepage_high_range(addr, len) \ - __within_hugepage_high_range((addr), (len), \ - current->mm->context.high_htlb_areas) - -#define is_hugepage_only_range(mm, addr, len) \ - (touches_hugepage_high_range((mm), (addr), (len)) || \ - touches_hugepage_low_range((mm), (addr), (len))) -#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA - -#define in_hugepage_area(context, addr) \ - (cpu_has_feature(CPU_FTR_16M_PAGE) && \ - ( ((1 << GET_HTLB_AREA(addr)) & (context).high_htlb_areas) || \ - ( ((addr) < 0x100000000L) && \ - ((1 << GET_ESID(addr)) & (context).low_htlb_areas) ) ) ) - -#else /* !CONFIG_HUGETLB_PAGE */ - -#define in_hugepage_area(mm, addr) 0 - -#endif /* !CONFIG_HUGETLB_PAGE */ - -/* align addr on a size boundary - adjust address up/down if needed */ -#define _ALIGN_UP(addr,size) (((addr)+((size)-1))&(~((size)-1))) -#define _ALIGN_DOWN(addr,size) ((addr)&(~((size)-1))) - -/* align addr on a size boundary - adjust address up if needed */ -#define _ALIGN(addr,size) _ALIGN_UP(addr,size) - -/* to align the pointer to the (next) page boundary */ -#define PAGE_ALIGN(addr) _ALIGN(addr, PAGE_SIZE) - -#ifdef __KERNEL__ -#ifndef __ASSEMBLY__ -#include <asm/cache.h> - -#undef STRICT_MM_TYPECHECKS - -#define REGION_SIZE 4UL -#define REGION_SHIFT 60UL -#define REGION_MASK (((1UL<<REGION_SIZE)-1UL)<<REGION_SHIFT) - -static __inline__ void clear_page(void *addr) -{ - unsigned long lines, line_size; - - line_size = ppc64_caches.dline_size; - lines = ppc64_caches.dlines_per_page; - - __asm__ __volatile__( - "mtctr %1 # clear_page\n\ -1: dcbz 0,%0\n\ - add %0,%0,%3\n\ - bdnz+ 1b" - : "=r" (addr) - : "r" (lines), "0" (addr), "r" (line_size) - : "ctr", "memory"); -} - -extern void copy_4K_page(void *to, void *from); - -#ifdef CONFIG_PPC_64K_PAGES -static inline void copy_page(void *to, void *from) -{ - unsigned int i; - for (i=0; i < (1 << (PAGE_SHIFT - 12)); i++) { - copy_4K_page(to, from); - to += 4096; - from += 4096; - } -} -#else /* CONFIG_PPC_64K_PAGES */ -static inline void copy_page(void *to, void *from) -{ - copy_4K_page(to, from); -} -#endif /* CONFIG_PPC_64K_PAGES */ - -struct page; -extern void clear_user_page(void *page, unsigned long vaddr, struct page *pg); -extern void copy_user_page(void *to, void *from, unsigned long vaddr, struct page *p); - -#ifdef STRICT_MM_TYPECHECKS -/* - * These are used to make use of C type-checking. - * Entries in the pte table are 64b, while entries in the pgd & pmd are 32b. - */ - -/* PTE level */ -typedef struct { unsigned long pte; } pte_t; -#define pte_val(x) ((x).pte) -#define __pte(x) ((pte_t) { (x) }) - -/* 64k pages additionally define a bigger "real PTE" type that gathers - * the "second half" part of the PTE for pseudo 64k pages - */ -#ifdef CONFIG_PPC_64K_PAGES -typedef struct { pte_t pte; unsigned long hidx; } real_pte_t; -#else -typedef struct { pte_t pte; } real_pte_t; -#endif - -/* PMD level */ -typedef struct { unsigned long pmd; } pmd_t; -#define pmd_val(x) ((x).pmd) -#define __pmd(x) ((pmd_t) { (x) }) - -/* PUD level exusts only on 4k pages */ -#ifndef CONFIG_PPC_64K_PAGES -typedef struct { unsigned long pud; } pud_t; -#define pud_val(x) ((x).pud) -#define __pud(x) ((pud_t) { (x) }) -#endif - -/* PGD level */ -typedef struct { unsigned long pgd; } pgd_t; -#define pgd_val(x) ((x).pgd) -#define __pgd(x) ((pgd_t) { (x) }) - -/* Page protection bits */ -typedef struct { unsigned long pgprot; } pgprot_t; -#define pgprot_val(x) ((x).pgprot) -#define __pgprot(x) ((pgprot_t) { (x) }) - -#else - -/* - * .. while these make it easier on the compiler - */ - -typedef unsigned long pte_t; -#define pte_val(x) (x) -#define __pte(x) (x) - -#ifdef CONFIG_PPC_64K_PAGES -typedef struct { pte_t pte; unsigned long hidx; } real_pte_t; -#else -typedef unsigned long real_pte_t; -#endif - - -typedef unsigned long pmd_t; -#define pmd_val(x) (x) -#define __pmd(x) (x) - -#ifndef CONFIG_PPC_64K_PAGES -typedef unsigned long pud_t; -#define pud_val(x) (x) -#define __pud(x) (x) -#endif - -typedef unsigned long pgd_t; -#define pgd_val(x) (x) -#define pgprot_val(x) (x) - -typedef unsigned long pgprot_t; -#define __pgd(x) (x) -#define __pgprot(x) (x) - -#endif - -#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET) - -extern int page_is_ram(unsigned long pfn); - -extern u64 ppc64_pft_size; /* Log 2 of page table size */ - -/* We do define AT_SYSINFO_EHDR but don't use the gate mecanism */ -#define __HAVE_ARCH_GATE_AREA 1 - -#endif /* __ASSEMBLY__ */ - -#ifdef MODULE -#define __page_aligned __attribute__((__aligned__(PAGE_SIZE))) -#else -#define __page_aligned \ - __attribute__((__aligned__(PAGE_SIZE), \ - __section__(".data.page_aligned"))) -#endif - - -/* This must match the -Ttext linker address */ -/* Note: tophys & tovirt make assumptions about how */ -/* KERNELBASE is defined for performance reasons. */ -/* When KERNELBASE moves, those macros may have */ -/* to change! */ -#define PAGE_OFFSET ASM_CONST(0xC000000000000000) -#define KERNELBASE PAGE_OFFSET -#define VMALLOCBASE ASM_CONST(0xD000000000000000) - -#define VMALLOC_REGION_ID (VMALLOCBASE >> REGION_SHIFT) -#define KERNEL_REGION_ID (KERNELBASE >> REGION_SHIFT) -#define USER_REGION_ID (0UL) -#define REGION_ID(ea) (((unsigned long)(ea)) >> REGION_SHIFT) - -#define __va(x) ((void *)((unsigned long)(x) + KERNELBASE)) - -#ifdef CONFIG_FLATMEM -#define pfn_to_page(pfn) (mem_map + (pfn)) -#define page_to_pfn(page) ((unsigned long)((page) - mem_map)) -#define pfn_valid(pfn) ((pfn) < max_mapnr) -#endif - -#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) -#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) - -#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT) - -/* - * Unfortunately the PLT is in the BSS in the PPC32 ELF ABI, - * and needs to be executable. This means the whole heap ends - * up being executable. - */ -#define VM_DATA_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - -#define VM_DATA_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - -#define VM_DATA_DEFAULT_FLAGS \ - (test_thread_flag(TIF_32BIT) ? \ - VM_DATA_DEFAULT_FLAGS32 : VM_DATA_DEFAULT_FLAGS64) - -/* - * This is the default if a program doesn't have a PT_GNU_STACK - * program header entry. The PPC64 ELF ABI has a non executable stack - * stack by default, so in the absense of a PT_GNU_STACK program header - * we turn execute permission off. - */ -#define VM_STACK_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - -#define VM_STACK_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - -#define VM_STACK_DEFAULT_FLAGS \ - (test_thread_flag(TIF_32BIT) ? \ - VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64) - -#endif /* __KERNEL__ */ - -#include <asm-generic/page.h> - -#endif /* _PPC64_PAGE_H */ diff --git a/include/asm-ppc64/prom.h b/include/asm-ppc64/prom.h deleted file mode 100644 index ddfe186589f..00000000000 --- a/include/asm-ppc64/prom.h +++ /dev/null @@ -1,220 +0,0 @@ -#ifndef _PPC64_PROM_H -#define _PPC64_PROM_H - -/* - * Definitions for talking to the Open Firmware PROM on - * Power Macintosh computers. - * - * Copyright (C) 1996 Paul Mackerras. - * - * Updates for PPC64 by Peter Bergner & David Engebretsen, 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. - */ -#include <linux/config.h> -#include <linux/proc_fs.h> -#include <asm/atomic.h> - -#define PTRRELOC(x) ((typeof(x))((unsigned long)(x) - offset)) -#define PTRUNRELOC(x) ((typeof(x))((unsigned long)(x) + offset)) -#define RELOC(x) (*PTRRELOC(&(x))) - -/* Definitions used by the flattened device tree */ -#define OF_DT_HEADER 0xd00dfeed /* marker */ -#define OF_DT_BEGIN_NODE 0x1 /* Start of node, full name */ -#define OF_DT_END_NODE 0x2 /* End node */ -#define OF_DT_PROP 0x3 /* Property: name off, size, - * content */ -#define OF_DT_NOP 0x4 /* nop */ -#define OF_DT_END 0x9 - -#define OF_DT_VERSION 0x10 - -/* - * This is what gets passed to the kernel by prom_init or kexec - * - * The dt struct contains the device tree structure, full pathes and - * property contents. The dt strings contain a separate block with just - * the strings for the property names, and is fully page aligned and - * self contained in a page, so that it can be kept around by the kernel, - * each property name appears only once in this page (cheap compression) - * - * the mem_rsvmap contains a map of reserved ranges of physical memory, - * passing it here instead of in the device-tree itself greatly simplifies - * the job of everybody. It's just a list of u64 pairs (base/size) that - * ends when size is 0 - */ -struct boot_param_header -{ - u32 magic; /* magic word OF_DT_HEADER */ - u32 totalsize; /* total size of DT block */ - u32 off_dt_struct; /* offset to structure */ - u32 off_dt_strings; /* offset to strings */ - u32 off_mem_rsvmap; /* offset to memory reserve map */ - u32 version; /* format version */ - u32 last_comp_version; /* last compatible version */ - /* version 2 fields below */ - u32 boot_cpuid_phys; /* Physical CPU id we're booting on */ - /* version 3 fields below */ - u32 dt_strings_size; /* size of the DT strings block */ -}; - - - -typedef u32 phandle; -typedef u32 ihandle; - -struct address_range { - unsigned long space; - unsigned long address; - unsigned long size; -}; - -struct interrupt_info { - int line; - int sense; /* +ve/-ve logic, edge or level, etc. */ -}; - -struct pci_address { - u32 a_hi; - u32 a_mid; - u32 a_lo; -}; - -struct isa_address { - u32 a_hi; - u32 a_lo; -}; - -struct isa_range { - struct isa_address isa_addr; - struct pci_address pci_addr; - unsigned int size; -}; - -struct reg_property { - unsigned long address; - unsigned long size; -}; - -struct reg_property32 { - unsigned int address; - unsigned int size; -}; - -struct reg_property64 { - unsigned long address; - unsigned long size; -}; - -struct property { - char *name; - int length; - unsigned char *value; - struct property *next; -}; - -struct device_node { - char *name; - char *type; - phandle node; - phandle linux_phandle; - int n_addrs; - struct address_range *addrs; - int n_intrs; - struct interrupt_info *intrs; - char *full_name; - - struct property *properties; - struct device_node *parent; - struct device_node *child; - struct device_node *sibling; - struct device_node *next; /* next device of same type */ - struct device_node *allnext; /* next in list of all nodes */ - struct proc_dir_entry *pde; /* this node's proc directory */ - struct kref kref; - unsigned long _flags; - void *data; -#ifdef CONFIG_PPC_ISERIES - struct list_head Device_List; -#endif -}; - -extern struct device_node *of_chosen; - -/* flag descriptions */ -#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */ - -#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags) -#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags) - -/* - * Until 32-bit ppc can add proc_dir_entries to its device_node - * definition, we cannot refer to pde, name_link, and addr_link - * in arch-independent code. - */ -#define HAVE_ARCH_DEVTREE_FIXUPS - -static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de) -{ - dn->pde = de; -} - - -/* OBSOLETE: Old stlye node lookup */ -extern struct device_node *find_devices(const char *name); -extern struct device_node *find_type_devices(const char *type); -extern struct device_node *find_path_device(const char *path); -extern struct device_node *find_compatible_devices(const char *type, - const char *compat); -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); -extern struct device_node *of_find_node_by_type(struct device_node *from, - const char *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); -extern struct device_node *of_find_node_by_phandle(phandle handle); -extern struct device_node *of_find_all_nodes(struct device_node *prev); -extern struct device_node *of_get_parent(const struct device_node *node); -extern struct device_node *of_get_next_child(const struct device_node *node, - struct device_node *prev); -extern struct device_node *of_node_get(struct device_node *node); -extern void of_node_put(struct device_node *node); - -/* For scanning the flat device-tree at boot time */ -int __init of_scan_flat_dt(int (*it)(unsigned long node, - const char *uname, int depth, - void *data), - void *data); -void* __init of_get_flat_dt_prop(unsigned long node, const char *name, - unsigned long *size); - -/* For updating the device tree at runtime */ -extern void of_attach_node(struct device_node *); -extern void of_detach_node(const struct device_node *); - -/* Other Prototypes */ -extern unsigned long prom_init(unsigned long, unsigned long, unsigned long, - unsigned long, unsigned long); -extern void finish_device_tree(void); -extern void unflatten_device_tree(void); -extern void early_init_devtree(void *); -extern int device_is_compatible(struct device_node *device, const char *); -extern int machine_is_compatible(const char *compat); -extern unsigned char *get_property(struct device_node *node, const char *name, - int *lenp); -extern void print_properties(struct device_node *node); -extern int prom_n_addr_cells(struct device_node* np); -extern int prom_n_size_cells(struct device_node* np); -extern int prom_n_intr_cells(struct device_node* np); -extern void prom_get_irq_senses(unsigned char *senses, int off, int max); -extern int prom_add_property(struct device_node* np, struct property* prop); - -#endif /* _PPC64_PROM_H */ diff --git a/include/asm-ppc64/system.h b/include/asm-ppc64/system.h deleted file mode 100644 index bf9a6aba19c..00000000000 --- a/include/asm-ppc64/system.h +++ /dev/null @@ -1,310 +0,0 @@ -#ifndef __PPC64_SYSTEM_H -#define __PPC64_SYSTEM_H - -/* - * 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. - */ - -#include <linux/config.h> -#include <linux/compiler.h> -#include <asm/page.h> -#include <asm/processor.h> -#include <asm/hw_irq.h> -#include <asm/synch.h> - -/* - * Memory barrier. - * The sync instruction guarantees that all memory accesses initiated - * by this processor have been performed (with respect to all other - * mechanisms that access memory). The eieio instruction is a barrier - * providing an ordering (separately) for (a) cacheable stores and (b) - * loads and stores to non-cacheable memory (e.g. I/O devices). - * - * mb() prevents loads and stores being reordered across this point. - * rmb() prevents loads being reordered across this point. - * wmb() prevents stores being reordered across this point. - * read_barrier_depends() prevents data-dependent loads being reordered - * across this point (nop on PPC). - * - * We have to use the sync instructions for mb(), since lwsync doesn't - * order loads with respect to previous stores. Lwsync is fine for - * rmb(), though. - * For wmb(), we use sync since wmb is used in drivers to order - * stores to system memory with respect to writes to the device. - * However, smp_wmb() can be a lighter-weight eieio barrier on - * SMP since it is only used to order updates to system memory. - */ -#define mb() __asm__ __volatile__ ("sync" : : : "memory") -#define rmb() __asm__ __volatile__ ("lwsync" : : : "memory") -#define wmb() __asm__ __volatile__ ("sync" : : : "memory") -#define read_barrier_depends() do { } while(0) - -#define set_mb(var, value) do { var = value; smp_mb(); } while (0) -#define set_wmb(var, value) do { var = value; smp_wmb(); } while (0) - -#ifdef CONFIG_SMP -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() eieio() -#define smp_read_barrier_depends() read_barrier_depends() -#else -#define smp_mb() __asm__ __volatile__("": : :"memory") -#define smp_rmb() __asm__ __volatile__("": : :"memory") -#define smp_wmb() __asm__ __volatile__("": : :"memory") -#define smp_read_barrier_depends() do { } while(0) -#endif /* CONFIG_SMP */ - -#ifdef __KERNEL__ -struct task_struct; -struct pt_regs; - -#ifdef CONFIG_DEBUGGER - -extern int (*__debugger)(struct pt_regs *regs); -extern int (*__debugger_ipi)(struct pt_regs *regs); -extern int (*__debugger_bpt)(struct pt_regs *regs); -extern int (*__debugger_sstep)(struct pt_regs *regs); -extern int (*__debugger_iabr_match)(struct pt_regs *regs); -extern int (*__debugger_dabr_match)(struct pt_regs *regs); -extern int (*__debugger_fault_handler)(struct pt_regs *regs); - -#define DEBUGGER_BOILERPLATE(__NAME) \ -static inline int __NAME(struct pt_regs *regs) \ -{ \ - if (unlikely(__ ## __NAME)) \ - return __ ## __NAME(regs); \ - return 0; \ -} - -DEBUGGER_BOILERPLATE(debugger) -DEBUGGER_BOILERPLATE(debugger_ipi) -DEBUGGER_BOILERPLATE(debugger_bpt) -DEBUGGER_BOILERPLATE(debugger_sstep) -DEBUGGER_BOILERPLATE(debugger_iabr_match) -DEBUGGER_BOILERPLATE(debugger_dabr_match) -DEBUGGER_BOILERPLATE(debugger_fault_handler) - -#ifdef CONFIG_XMON -extern void xmon_init(int enable); -#endif - -#else -static inline int debugger(struct pt_regs *regs) { return 0; } -static inline int debugger_ipi(struct pt_regs *regs) { return 0; } -static inline int debugger_bpt(struct pt_regs *regs) { return 0; } -static inline int debugger_sstep(struct pt_regs *regs) { return 0; } -static inline int debugger_iabr_match(struct pt_regs *regs) { return 0; } -static inline int debugger_dabr_match(struct pt_regs *regs) { return 0; } -static inline int debugger_fault_handler(struct pt_regs *regs) { return 0; } -#endif - -extern int set_dabr(unsigned long dabr); -extern void _exception(int signr, struct pt_regs *regs, int code, - unsigned long addr); -extern int fix_alignment(struct pt_regs *regs); -extern void bad_page_fault(struct pt_regs *regs, unsigned long address, - int sig); -extern void show_regs(struct pt_regs * regs); -extern void low_hash_fault(struct pt_regs *regs, unsigned long address); -extern int die(const char *str, struct pt_regs *regs, long err); - -extern int _get_PVR(void); -extern void giveup_fpu(struct task_struct *); -extern void disable_kernel_fp(void); -extern void flush_fp_to_thread(struct task_struct *); -extern void enable_kernel_fp(void); -extern void giveup_altivec(struct task_struct *); -extern void disable_kernel_altivec(void); -extern void enable_kernel_altivec(void); -extern int emulate_altivec(struct pt_regs *); -extern void cvt_fd(float *from, double *to, struct thread_struct *thread); -extern void cvt_df(double *from, float *to, struct thread_struct *thread); - -#ifdef CONFIG_ALTIVEC -extern void flush_altivec_to_thread(struct task_struct *); -#else -static inline void flush_altivec_to_thread(struct task_struct *t) -{ -} -#endif - -static inline void flush_spe_to_thread(struct task_struct *t) -{ -} - -extern int mem_init_done; /* set on boot once kmalloc can be called */ -extern unsigned long memory_limit; - -/* EBCDIC -> ASCII conversion for [0-9A-Z] on iSeries */ -extern unsigned char e2a(unsigned char); - -extern struct task_struct *__switch_to(struct task_struct *, - struct task_struct *); -#define switch_to(prev, next, last) ((last) = __switch_to((prev), (next))) - -struct thread_struct; -extern struct task_struct * _switch(struct thread_struct *prev, - struct thread_struct *next); - -extern unsigned long klimit; - -extern int powersave_nap; /* set if nap mode can be used in idle loop */ - -/* - * Atomic exchange - * - * Changes the memory location '*ptr' to be val and returns - * the previous value stored there. - * - * Inline asm pulled from arch/ppc/kernel/misc.S so ppc64 - * is more like most of the other architectures. - */ -static __inline__ unsigned long -__xchg_u32(volatile unsigned int *m, unsigned long val) -{ - unsigned long dummy; - - __asm__ __volatile__( - EIEIO_ON_SMP -"1: lwarx %0,0,%3 # __xchg_u32\n\ - stwcx. %2,0,%3\n\ -2: bne- 1b" - ISYNC_ON_SMP - : "=&r" (dummy), "=m" (*m) - : "r" (val), "r" (m) - : "cc", "memory"); - - return (dummy); -} - -static __inline__ unsigned long -__xchg_u64(volatile long *m, unsigned long val) -{ - unsigned long dummy; - - __asm__ __volatile__( - EIEIO_ON_SMP -"1: ldarx %0,0,%3 # __xchg_u64\n\ - stdcx. %2,0,%3\n\ -2: bne- 1b" - ISYNC_ON_SMP - : "=&r" (dummy), "=m" (*m) - : "r" (val), "r" (m) - : "cc", "memory"); - - return (dummy); -} - -/* - * This function doesn't exist, so you'll get a linker error - * if something tries to do an invalid xchg(). - */ -extern void __xchg_called_with_bad_pointer(void); - -static __inline__ unsigned long -__xchg(volatile void *ptr, unsigned long x, unsigned int size) -{ - switch (size) { - case 4: - return __xchg_u32(ptr, x); - case 8: - return __xchg_u64(ptr, x); - } - __xchg_called_with_bad_pointer(); - return x; -} - -#define xchg(ptr,x) \ - ({ \ - __typeof__(*(ptr)) _x_ = (x); \ - (__typeof__(*(ptr))) __xchg((ptr), (unsigned long)_x_, sizeof(*(ptr))); \ - }) - -#define tas(ptr) (xchg((ptr),1)) - -#define __HAVE_ARCH_CMPXCHG 1 - -static __inline__ unsigned long -__cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new) -{ - unsigned int prev; - - __asm__ __volatile__ ( - EIEIO_ON_SMP -"1: lwarx %0,0,%2 # __cmpxchg_u32\n\ - cmpw 0,%0,%3\n\ - bne- 2f\n\ - stwcx. %4,0,%2\n\ - bne- 1b" - ISYNC_ON_SMP - "\n\ -2:" - : "=&r" (prev), "=m" (*p) - : "r" (p), "r" (old), "r" (new), "m" (*p) - : "cc", "memory"); - - return prev; -} - -static __inline__ unsigned long -__cmpxchg_u64(volatile unsigned long *p, unsigned long old, unsigned long new) -{ - unsigned long prev; - - __asm__ __volatile__ ( - EIEIO_ON_SMP -"1: ldarx %0,0,%2 # __cmpxchg_u64\n\ - cmpd 0,%0,%3\n\ - bne- 2f\n\ - stdcx. %4,0,%2\n\ - bne- 1b" - ISYNC_ON_SMP - "\n\ -2:" - : "=&r" (prev), "=m" (*p) - : "r" (p), "r" (old), "r" (new), "m" (*p) - : "cc", "memory"); - - return prev; -} - -/* This function doesn't exist, so you'll get a linker error - if something tries to do an invalid cmpxchg(). */ -extern void __cmpxchg_called_with_bad_pointer(void); - -static __inline__ unsigned long -__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, - unsigned int size) -{ - switch (size) { - case 4: - return __cmpxchg_u32(ptr, old, new); - case 8: - return __cmpxchg_u64(ptr, old, new); - } - __cmpxchg_called_with_bad_pointer(); - return old; -} - -#define cmpxchg(ptr,o,n)\ - ((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\ - (unsigned long)(n),sizeof(*(ptr)))) - -/* - * We handle most unaligned accesses in hardware. On the other hand - * unaligned DMA can be very expensive on some ppc64 IO chips (it does - * powers of 2 writes until it reaches sufficient alignment). - * - * Based on this we disable the IP header alignment in network drivers. - */ -#define NET_IP_ALIGN 0 - -#define arch_align_stack(x) (x) - -extern unsigned long reloc_offset(void); - -#endif /* __KERNEL__ */ -#endif diff --git a/include/asm-v850/hardirq.h b/include/asm-v850/hardirq.h index 5dfca8047cb..d98488cd5af 100644 --- a/include/asm-v850/hardirq.h +++ b/include/asm-v850/hardirq.h @@ -5,6 +5,8 @@ #include <linux/threads.h> #include <linux/cache.h> +#include <asm/irq.h> + typedef struct { unsigned int __softirq_pending; } ____cacheline_aligned irq_cpustat_t; @@ -22,4 +24,6 @@ typedef struct { # error HARDIRQ_BITS is too low! #endif +void ack_bad_irq(unsigned int irq); + #endif /* __V850_HARDIRQ_H__ */ diff --git a/include/asm-x86_64/apic.h b/include/asm-x86_64/apic.h index 6c5d5ca8383..5647b7de174 100644 --- a/include/asm-x86_64/apic.h +++ b/include/asm-x86_64/apic.h @@ -111,6 +111,8 @@ extern unsigned int nmi_watchdog; extern int disable_timer_pin_1; +extern void setup_threshold_lvt(unsigned long lvt_off); + #endif /* CONFIG_X86_LOCAL_APIC */ extern unsigned boot_cpu_id; diff --git a/include/asm-x86_64/cache.h b/include/asm-x86_64/cache.h index eda62bae124..33e53424128 100644 --- a/include/asm-x86_64/cache.h +++ b/include/asm-x86_64/cache.h @@ -9,6 +9,6 @@ /* L1 cache line size */ #define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -#define L1_CACHE_SHIFT_MAX 6 /* largest L1 which this arch supports */ +#define L1_CACHE_SHIFT_MAX 7 /* largest L1 which this arch supports */ #endif diff --git a/include/asm-x86_64/desc.h b/include/asm-x86_64/desc.h index b837820c907..33764869387 100644 --- a/include/asm-x86_64/desc.h +++ b/include/asm-x86_64/desc.h @@ -98,16 +98,19 @@ static inline void _set_gate(void *adr, unsigned type, unsigned long func, unsig static inline void set_intr_gate(int nr, void *func) { + BUG_ON((unsigned)nr > 0xFF); _set_gate(&idt_table[nr], GATE_INTERRUPT, (unsigned long) func, 0, 0); } static inline void set_intr_gate_ist(int nr, void *func, unsigned ist) { + BUG_ON((unsigned)nr > 0xFF); _set_gate(&idt_table[nr], GATE_INTERRUPT, (unsigned long) func, 0, ist); } static inline void set_system_gate(int nr, void *func) { + BUG_ON((unsigned)nr > 0xFF); _set_gate(&idt_table[nr], GATE_INTERRUPT, (unsigned long) func, 3, 0); } diff --git a/include/asm-x86_64/dma.h b/include/asm-x86_64/dma.h index 16fa3a064d0..6f2a817b6a7 100644 --- a/include/asm-x86_64/dma.h +++ b/include/asm-x86_64/dma.h @@ -72,8 +72,15 @@ #define MAX_DMA_CHANNELS 8 -/* The maximum address that we can perform a DMA transfer to on this platform */ -#define MAX_DMA_ADDRESS (PAGE_OFFSET+0x1000000) + +/* 16MB ISA DMA zone */ +#define MAX_DMA_PFN ((16*1024*1024) >> PAGE_SHIFT) + +/* 4GB broken PCI/AGP hardware bus master zone */ +#define MAX_DMA32_PFN ((4UL*1024*1024*1024) >> PAGE_SHIFT) + +/* Compat define for old dma zone */ +#define MAX_DMA_ADDRESS ((unsigned long)__va(MAX_DMA_PFN << PAGE_SHIFT)) /* 8237 DMA controllers */ #define IO_DMA1_BASE 0x00 /* 8 bit slave DMA, channels 0..3 */ diff --git a/include/asm-x86_64/hpet.h b/include/asm-x86_64/hpet.h index a3877f57099..c20c28f5c7a 100644 --- a/include/asm-x86_64/hpet.h +++ b/include/asm-x86_64/hpet.h @@ -14,18 +14,18 @@ #define HPET_CFG 0x010 #define HPET_STATUS 0x020 #define HPET_COUNTER 0x0f0 -#define HPET_T0_CFG 0x100 -#define HPET_T0_CMP 0x108 -#define HPET_T0_ROUTE 0x110 -#define HPET_T1_CFG 0x120 -#define HPET_T1_CMP 0x128 -#define HPET_T1_ROUTE 0x130 -#define HPET_T2_CFG 0x140 -#define HPET_T2_CMP 0x148 -#define HPET_T2_ROUTE 0x150 +#define HPET_Tn_OFFSET 0x20 +#define HPET_Tn_CFG(n) (0x100 + (n) * HPET_Tn_OFFSET) +#define HPET_Tn_ROUTE(n) (0x104 + (n) * HPET_Tn_OFFSET) +#define HPET_Tn_CMP(n) (0x108 + (n) * HPET_Tn_OFFSET) +#define HPET_T0_CFG HPET_Tn_CFG(0) +#define HPET_T0_CMP HPET_Tn_CMP(0) +#define HPET_T1_CFG HPET_Tn_CFG(1) +#define HPET_T1_CMP HPET_Tn_CMP(1) #define HPET_ID_VENDOR 0xffff0000 #define HPET_ID_LEGSUP 0x00008000 +#define HPET_ID_64BIT 0x00002000 #define HPET_ID_NUMBER 0x00001f00 #define HPET_ID_REV 0x000000ff #define HPET_ID_NUMBER_SHIFT 8 @@ -38,11 +38,18 @@ #define HPET_LEGACY_8254 2 #define HPET_LEGACY_RTC 8 -#define HPET_TN_ENABLE 0x004 -#define HPET_TN_PERIODIC 0x008 -#define HPET_TN_PERIODIC_CAP 0x010 -#define HPET_TN_SETVAL 0x040 -#define HPET_TN_32BIT 0x100 +#define HPET_TN_LEVEL 0x0002 +#define HPET_TN_ENABLE 0x0004 +#define HPET_TN_PERIODIC 0x0008 +#define HPET_TN_PERIODIC_CAP 0x0010 +#define HPET_TN_64BIT_CAP 0x0020 +#define HPET_TN_SETVAL 0x0040 +#define HPET_TN_32BIT 0x0100 +#define HPET_TN_ROUTE 0x3e00 +#define HPET_TN_FSB 0x4000 +#define HPET_TN_FSB_CAP 0x8000 + +#define HPET_TN_ROUTE_SHIFT 9 extern int is_hpet_enabled(void); extern int hpet_rtc_timer_init(void); diff --git a/include/asm-x86_64/hw_irq.h b/include/asm-x86_64/hw_irq.h index dc97668ea0f..c14a8c7267a 100644 --- a/include/asm-x86_64/hw_irq.h +++ b/include/asm-x86_64/hw_irq.h @@ -55,7 +55,7 @@ struct hw_interrupt_type; #define CALL_FUNCTION_VECTOR 0xfc #define KDB_VECTOR 0xfb /* reserved for KDB */ #define THERMAL_APIC_VECTOR 0xfa -/* 0xf9 free */ +#define THRESHOLD_APIC_VECTOR 0xf9 #define INVALIDATE_TLB_VECTOR_END 0xf8 #define INVALIDATE_TLB_VECTOR_START 0xf0 /* f0-f8 used for TLB flush */ diff --git a/include/asm-x86_64/ia32.h b/include/asm-x86_64/ia32.h index 6efa00fe4e7..c7bc9c0525b 100644 --- a/include/asm-x86_64/ia32.h +++ b/include/asm-x86_64/ia32.h @@ -165,6 +165,11 @@ struct siginfo_t; int do_get_thread_area(struct thread_struct *t, struct user_desc __user *info); int do_set_thread_area(struct thread_struct *t, struct user_desc __user *info); int ia32_child_tls(struct task_struct *p, struct pt_regs *childregs); + +struct linux_binprm; +extern int ia32_setup_arg_pages(struct linux_binprm *bprm, + unsigned long stack_top, int exec_stack); + #endif #endif /* !CONFIG_IA32_SUPPORT */ diff --git a/include/asm-x86_64/mce.h b/include/asm-x86_64/mce.h index 869249db679..5d298b799a9 100644 --- a/include/asm-x86_64/mce.h +++ b/include/asm-x86_64/mce.h @@ -67,6 +67,8 @@ struct mce_log { /* Software defined banks */ #define MCE_EXTENDED_BANK 128 #define MCE_THERMAL_BANK MCE_EXTENDED_BANK + 0 +#define MCE_THRESHOLD_BASE MCE_EXTENDED_BANK + 1 /* MCE_AMD */ +#define MCE_THRESHOLD_DRAM_ECC MCE_THRESHOLD_BASE + 4 void mce_log(struct mce *m); #ifdef CONFIG_X86_MCE_INTEL @@ -77,4 +79,12 @@ static inline void mce_intel_feature_init(struct cpuinfo_x86 *c) } #endif +#ifdef CONFIG_X86_MCE_AMD +void mce_amd_feature_init(struct cpuinfo_x86 *c); +#else +static inline void mce_amd_feature_init(struct cpuinfo_x86 *c) +{ +} +#endif + #endif diff --git a/include/asm-x86_64/mmzone.h b/include/asm-x86_64/mmzone.h index b40c661f111..69baaa8a3ce 100644 --- a/include/asm-x86_64/mmzone.h +++ b/include/asm-x86_64/mmzone.h @@ -17,16 +17,15 @@ /* Simple perfect hash to map physical addresses to node numbers */ extern int memnode_shift; extern u8 memnodemap[NODEMAPSIZE]; -extern int maxnode; extern struct pglist_data *node_data[]; static inline __attribute__((pure)) int phys_to_nid(unsigned long addr) { - int nid; + unsigned nid; VIRTUAL_BUG_ON((addr >> memnode_shift) >= NODEMAPSIZE); nid = memnodemap[addr >> memnode_shift]; - VIRTUAL_BUG_ON(nid > maxnode); + VIRTUAL_BUG_ON(nid >= MAX_NUMNODES || !node_data[nid]); return nid; } @@ -41,9 +40,7 @@ static inline __attribute__((pure)) int phys_to_nid(unsigned long addr) #define pfn_to_nid(pfn) phys_to_nid((unsigned long)(pfn) << PAGE_SHIFT) #define kvaddr_to_nid(kaddr) phys_to_nid(__pa(kaddr)) -/* AK: this currently doesn't deal with invalid addresses. We'll see - if the 2.5 kernel doesn't pass them - (2.4 used to). */ +/* Requires pfn_valid(pfn) to be true */ #define pfn_to_page(pfn) ({ \ int nid = phys_to_nid(((unsigned long)(pfn)) << PAGE_SHIFT); \ ((pfn) - node_start_pfn(nid)) + NODE_DATA(nid)->node_mem_map; \ diff --git a/include/asm-x86_64/mpspec.h b/include/asm-x86_64/mpspec.h index f267e10c023..6f8a17d105a 100644 --- a/include/asm-x86_64/mpspec.h +++ b/include/asm-x86_64/mpspec.h @@ -16,7 +16,7 @@ /* * A maximum of 255 APICs with the current APIC ID architecture. */ -#define MAX_APICS 128 +#define MAX_APICS 255 struct intel_mp_floating { @@ -157,7 +157,8 @@ struct mpc_config_lintsrc */ #define MAX_MP_BUSSES 256 -#define MAX_IRQ_SOURCES 256 +/* Each PCI slot may be a combo card with its own bus. 4 IRQ pins per slot. */ +#define MAX_IRQ_SOURCES (MAX_MP_BUSSES * 4) enum mp_bustype { MP_BUS_ISA = 1, MP_BUS_EISA, @@ -172,7 +173,7 @@ extern int smp_found_config; extern void find_smp_config (void); extern void get_smp_config (void); extern int nr_ioapics; -extern int apic_version [MAX_APICS]; +extern unsigned char apic_version [MAX_APICS]; extern int mp_irq_entries; extern struct mpc_config_intsrc mp_irqs [MAX_IRQ_SOURCES]; extern int mpc_default_type; diff --git a/include/asm-x86_64/msr.h b/include/asm-x86_64/msr.h index 5a7fe3c6c3d..24dc39651bc 100644 --- a/include/asm-x86_64/msr.h +++ b/include/asm-x86_64/msr.h @@ -19,7 +19,7 @@ : "=a" (a__), "=d" (b__) \ : "c" (msr)); \ val = a__ | (b__<<32); \ -} while(0); +} while(0) #define wrmsr(msr,val1,val2) \ __asm__ __volatile__("wrmsr" \ diff --git a/include/asm-x86_64/numa.h b/include/asm-x86_64/numa.h index bcf55c3f7f7..d51e56fdc3d 100644 --- a/include/asm-x86_64/numa.h +++ b/include/asm-x86_64/numa.h @@ -17,6 +17,8 @@ extern void numa_add_cpu(int cpu); extern void numa_init_array(void); extern int numa_off; +extern void numa_set_node(int cpu, int node); + extern unsigned char apicid_to_node[256]; #define NUMA_NO_NODE 0xff diff --git a/include/asm-x86_64/page.h b/include/asm-x86_64/page.h index e5ab4d231f2..06e489f3247 100644 --- a/include/asm-x86_64/page.h +++ b/include/asm-x86_64/page.h @@ -11,7 +11,7 @@ #define PAGE_SIZE (1UL << PAGE_SHIFT) #endif #define PAGE_MASK (~(PAGE_SIZE-1)) -#define PHYSICAL_PAGE_MASK (~(PAGE_SIZE-1) & (__PHYSICAL_MASK << PAGE_SHIFT)) +#define PHYSICAL_PAGE_MASK (~(PAGE_SIZE-1) & __PHYSICAL_MASK) #define THREAD_ORDER 1 #ifdef __ASSEMBLY__ diff --git a/include/asm-x86_64/pda.h b/include/asm-x86_64/pda.h index bbf89aa8a1a..8733ccfa442 100644 --- a/include/asm-x86_64/pda.h +++ b/include/asm-x86_64/pda.h @@ -15,6 +15,7 @@ struct x8664_pda { int irqcount; /* Irq nesting counter. Starts with -1 */ int cpunumber; /* Logical CPU number */ char *irqstackptr; /* top of irqstack */ + int nodenumber; /* number of current node */ unsigned int __softirq_pending; unsigned int __nmi_count; /* number of NMI on this CPUs */ struct mm_struct *active_mm; diff --git a/include/asm-x86_64/pgtable.h b/include/asm-x86_64/pgtable.h index 7309fffeec9..ecf58c7c165 100644 --- a/include/asm-x86_64/pgtable.h +++ b/include/asm-x86_64/pgtable.h @@ -16,6 +16,7 @@ extern pud_t level3_physmem_pgt[512]; extern pud_t level3_ident_pgt[512]; extern pmd_t level2_kernel_pgt[512]; extern pgd_t init_level4_pgt[]; +extern pgd_t boot_level4_pgt[]; extern unsigned long __supported_pte_mask; #define swapper_pg_dir init_level4_pgt @@ -247,7 +248,7 @@ static inline unsigned long pud_bad(pud_t pud) #define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) /* FIXME: is this right? */ #define pte_page(x) pfn_to_page(pte_pfn(x)) -#define pte_pfn(x) ((pte_val(x) >> PAGE_SHIFT) & __PHYSICAL_MASK) +#define pte_pfn(x) ((pte_val(x) & __PHYSICAL_MASK) >> PAGE_SHIFT) static inline pte_t pfn_pte(unsigned long page_nr, pgprot_t pgprot) { @@ -354,7 +355,7 @@ static inline pud_t *__pud_offset_k(pud_t *pud, unsigned long address) #define pmd_clear(xp) do { set_pmd(xp, __pmd(0)); } while (0) #define pmd_bad(x) ((pmd_val(x) & (~PTE_MASK & ~_PAGE_USER)) != _KERNPG_TABLE ) #define pfn_pmd(nr,prot) (__pmd(((nr) << PAGE_SHIFT) | pgprot_val(prot))) -#define pmd_pfn(x) ((pmd_val(x) >> PAGE_SHIFT) & __PHYSICAL_MASK) +#define pmd_pfn(x) ((pmd_val(x) & __PHYSICAL_MASK) >> PAGE_SHIFT) #define pte_to_pgoff(pte) ((pte_val(pte) & PHYSICAL_PAGE_MASK) >> PAGE_SHIFT) #define pgoff_to_pte(off) ((pte_t) { ((off) << PAGE_SHIFT) | _PAGE_FILE }) diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h index 03837d34fba..4861246548f 100644 --- a/include/asm-x86_64/processor.h +++ b/include/asm-x86_64/processor.h @@ -61,10 +61,12 @@ struct cpuinfo_x86 { int x86_cache_alignment; int x86_tlbsize; /* number of 4K pages in DTLB/ITLB combined(in pages)*/ __u8 x86_virt_bits, x86_phys_bits; - __u8 x86_num_cores; + __u8 x86_max_cores; /* cpuid returned max cores value */ __u32 x86_power; __u32 extended_cpuid_level; /* Max extended CPUID function supported */ unsigned long loops_per_jiffy; + __u8 apicid; + __u8 booted_cores; /* number of cores as seen by OS */ } ____cacheline_aligned; #define X86_VENDOR_INTEL 0 diff --git a/include/asm-x86_64/proto.h b/include/asm-x86_64/proto.h index dbb37b0adb4..34501086afe 100644 --- a/include/asm-x86_64/proto.h +++ b/include/asm-x86_64/proto.h @@ -11,6 +11,8 @@ struct pt_regs; extern void start_kernel(void); extern void pda_init(int); +extern void zap_low_mappings(int cpu); + extern void early_idt_handler(void); extern void mcheck_init(struct cpuinfo_x86 *c); @@ -22,6 +24,8 @@ extern void mtrr_bp_init(void); #define mtrr_bp_init() do {} while (0) #endif extern void init_memory_mapping(unsigned long start, unsigned long end); +extern void size_zones(unsigned long *z, unsigned long *h, + unsigned long start_pfn, unsigned long end_pfn); extern void system_call(void); extern int kernel_syscall(void); diff --git a/include/asm-x86_64/rwsem.h b/include/asm-x86_64/rwsem.h deleted file mode 100644 index 46077e9c191..00000000000 --- a/include/asm-x86_64/rwsem.h +++ /dev/null @@ -1,283 +0,0 @@ -/* rwsem.h: R/W semaphores implemented using XADD/CMPXCHG for x86_64+ - * - * Written by David Howells (dhowells@redhat.com). - * Ported by Andi Kleen <ak@suse.de> to x86-64. - * - * Derived from asm-i386/semaphore.h and asm-i386/rwsem.h - * - * - * The MSW of the count is the negated number of active writers and waiting - * lockers, and the LSW is the total number of active locks - * - * The lock count is initialized to 0 (no active and no waiting lockers). - * - * When a writer subtracts WRITE_BIAS, it'll get 0xffff0001 for the case of an - * uncontended lock. This can be determined because XADD returns the old value. - * Readers increment by 1 and see a positive value when uncontended, negative - * if there are writers (and maybe) readers waiting (in which case it goes to - * sleep). - * - * The value of WAITING_BIAS supports up to 32766 waiting processes. This can - * be extended to 65534 by manually checking the whole MSW rather than relying - * on the S flag. - * - * The value of ACTIVE_BIAS supports up to 65535 active processes. - * - * This should be totally fair - if anything is waiting, a process that wants a - * lock will go to the back of the queue. When the currently active lock is - * released, if there's a writer at the front of the queue, then that and only - * that will be woken up; if there's a bunch of consecutive readers at the - * front, then they'll all be woken up, but no other readers will be. - */ - -#ifndef _X8664_RWSEM_H -#define _X8664_RWSEM_H - -#ifndef _LINUX_RWSEM_H -#error "please don't include asm/rwsem.h directly, use linux/rwsem.h instead" -#endif - -#ifdef __KERNEL__ - -#include <linux/list.h> -#include <linux/spinlock.h> - -struct rwsem_waiter; - -extern struct rw_semaphore *rwsem_down_read_failed(struct rw_semaphore *sem); -extern struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem); -extern struct rw_semaphore *rwsem_wake(struct rw_semaphore *); -extern struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem); - -/* - * the semaphore definition - */ -struct rw_semaphore { - signed int count; -#define RWSEM_UNLOCKED_VALUE 0x00000000 -#define RWSEM_ACTIVE_BIAS 0x00000001 -#define RWSEM_ACTIVE_MASK 0x0000ffff -#define RWSEM_WAITING_BIAS (-0x00010000) -#define RWSEM_ACTIVE_READ_BIAS RWSEM_ACTIVE_BIAS -#define RWSEM_ACTIVE_WRITE_BIAS (RWSEM_WAITING_BIAS + RWSEM_ACTIVE_BIAS) - spinlock_t wait_lock; - struct list_head wait_list; -#if RWSEM_DEBUG - int debug; -#endif -}; - -/* - * initialisation - */ -#if RWSEM_DEBUG -#define __RWSEM_DEBUG_INIT , 0 -#else -#define __RWSEM_DEBUG_INIT /* */ -#endif - -#define __RWSEM_INITIALIZER(name) \ -{ RWSEM_UNLOCKED_VALUE, SPIN_LOCK_UNLOCKED, LIST_HEAD_INIT((name).wait_list) \ - __RWSEM_DEBUG_INIT } - -#define DECLARE_RWSEM(name) \ - struct rw_semaphore name = __RWSEM_INITIALIZER(name) - -static inline void init_rwsem(struct rw_semaphore *sem) -{ - sem->count = RWSEM_UNLOCKED_VALUE; - spin_lock_init(&sem->wait_lock); - INIT_LIST_HEAD(&sem->wait_list); -#if RWSEM_DEBUG - sem->debug = 0; -#endif -} - -/* - * lock for reading - */ -static inline void __down_read(struct rw_semaphore *sem) -{ - __asm__ __volatile__( - "# beginning down_read\n\t" -LOCK_PREFIX " incl (%%rdi)\n\t" /* adds 0x00000001, returns the old value */ - " js 2f\n\t" /* jump if we weren't granted the lock */ - "1:\n\t" - LOCK_SECTION_START("") \ - "2:\n\t" - " call rwsem_down_read_failed_thunk\n\t" - " jmp 1b\n" - LOCK_SECTION_END \ - "# ending down_read\n\t" - : "+m"(sem->count) - : "D"(sem) - : "memory", "cc"); -} - - -/* - * trylock for reading -- returns 1 if successful, 0 if contention - */ -static inline int __down_read_trylock(struct rw_semaphore *sem) -{ - __s32 result, tmp; - __asm__ __volatile__( - "# beginning __down_read_trylock\n\t" - " movl %0,%1\n\t" - "1:\n\t" - " movl %1,%2\n\t" - " addl %3,%2\n\t" - " jle 2f\n\t" -LOCK_PREFIX " cmpxchgl %2,%0\n\t" - " jnz 1b\n\t" - "2:\n\t" - "# ending __down_read_trylock\n\t" - : "+m"(sem->count), "=&a"(result), "=&r"(tmp) - : "i"(RWSEM_ACTIVE_READ_BIAS) - : "memory", "cc"); - return result>=0 ? 1 : 0; -} - - -/* - * lock for writing - */ -static inline void __down_write(struct rw_semaphore *sem) -{ - int tmp; - - tmp = RWSEM_ACTIVE_WRITE_BIAS; - __asm__ __volatile__( - "# beginning down_write\n\t" -LOCK_PREFIX " xaddl %0,(%%rdi)\n\t" /* subtract 0x0000ffff, returns the old value */ - " testl %0,%0\n\t" /* was the count 0 before? */ - " jnz 2f\n\t" /* jump if we weren't granted the lock */ - "1:\n\t" - LOCK_SECTION_START("") - "2:\n\t" - " call rwsem_down_write_failed_thunk\n\t" - " jmp 1b\n" - LOCK_SECTION_END - "# ending down_write" - : "=&r" (tmp) - : "0"(tmp), "D"(sem) - : "memory", "cc"); -} - -/* - * trylock for writing -- returns 1 if successful, 0 if contention - */ -static inline int __down_write_trylock(struct rw_semaphore *sem) -{ - signed long ret = cmpxchg(&sem->count, - RWSEM_UNLOCKED_VALUE, - RWSEM_ACTIVE_WRITE_BIAS); - if (ret == RWSEM_UNLOCKED_VALUE) - return 1; - return 0; -} - -/* - * unlock after reading - */ -static inline void __up_read(struct rw_semaphore *sem) -{ - __s32 tmp = -RWSEM_ACTIVE_READ_BIAS; - __asm__ __volatile__( - "# beginning __up_read\n\t" -LOCK_PREFIX " xaddl %[tmp],(%%rdi)\n\t" /* subtracts 1, returns the old value */ - " js 2f\n\t" /* jump if the lock is being waited upon */ - "1:\n\t" - LOCK_SECTION_START("") - "2:\n\t" - " decw %w[tmp]\n\t" /* do nothing if still outstanding active readers */ - " jnz 1b\n\t" - " call rwsem_wake_thunk\n\t" - " jmp 1b\n" - LOCK_SECTION_END - "# ending __up_read\n" - : "+m"(sem->count), [tmp] "+r" (tmp) - : "D"(sem) - : "memory", "cc"); -} - -/* - * unlock after writing - */ -static inline void __up_write(struct rw_semaphore *sem) -{ - unsigned tmp; - __asm__ __volatile__( - "# beginning __up_write\n\t" - " movl %[bias],%[tmp]\n\t" -LOCK_PREFIX " xaddl %[tmp],(%%rdi)\n\t" /* tries to transition 0xffff0001 -> 0x00000000 */ - " jnz 2f\n\t" /* jump if the lock is being waited upon */ - "1:\n\t" - LOCK_SECTION_START("") - "2:\n\t" - " decw %w[tmp]\n\t" /* did the active count reduce to 0? */ - " jnz 1b\n\t" /* jump back if not */ - " call rwsem_wake_thunk\n\t" - " jmp 1b\n" - LOCK_SECTION_END - "# ending __up_write\n" - : "+m"(sem->count), [tmp] "=r" (tmp) - : "D"(sem), [bias] "i"(-RWSEM_ACTIVE_WRITE_BIAS) - : "memory", "cc"); -} - -/* - * downgrade write lock to read lock - */ -static inline void __downgrade_write(struct rw_semaphore *sem) -{ - __asm__ __volatile__( - "# beginning __downgrade_write\n\t" -LOCK_PREFIX " addl %[bias],(%%rdi)\n\t" /* transitions 0xZZZZ0001 -> 0xYYYY0001 */ - " js 2f\n\t" /* jump if the lock is being waited upon */ - "1:\n\t" - LOCK_SECTION_START("") - "2:\n\t" - " call rwsem_downgrade_thunk\n" - " jmp 1b\n" - LOCK_SECTION_END - "# ending __downgrade_write\n" - : "=m"(sem->count) - : "D"(sem), [bias] "i"(-RWSEM_WAITING_BIAS), "m"(sem->count) - : "memory", "cc"); -} - -/* - * implement atomic add functionality - */ -static inline void rwsem_atomic_add(int delta, struct rw_semaphore *sem) -{ - __asm__ __volatile__( -LOCK_PREFIX "addl %1,%0" - :"=m"(sem->count) - :"ir"(delta), "m"(sem->count)); -} - -/* - * implement exchange and add functionality - */ -static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem) -{ - int tmp = delta; - - __asm__ __volatile__( -LOCK_PREFIX "xaddl %0,(%2)" - : "=r"(tmp), "=m"(sem->count) - : "r"(sem), "m"(sem->count), "0" (tmp) - : "memory"); - - return tmp+delta; -} - -static inline int rwsem_is_locked(struct rw_semaphore *sem) -{ - return (sem->count != 0); -} - -#endif /* __KERNEL__ */ -#endif /* _X8664_RWSEM_H */ diff --git a/include/asm-x86_64/smp.h b/include/asm-x86_64/smp.h index b9fb2173ef9..d030409a8fb 100644 --- a/include/asm-x86_64/smp.h +++ b/include/asm-x86_64/smp.h @@ -47,7 +47,6 @@ extern void lock_ipi_call_lock(void); extern void unlock_ipi_call_lock(void); extern int smp_num_siblings; extern void smp_send_reschedule(int cpu); -extern void zap_low_mappings(void); void smp_stop_cpu(void); extern int smp_call_function_single(int cpuid, void (*func) (void *info), void *info, int retry, int wait); @@ -82,6 +81,8 @@ extern int safe_smp_processor_id(void); extern int __cpu_disable(void); extern void __cpu_die(unsigned int cpu); extern void prefill_possible_map(void); +extern unsigned num_processors; +extern unsigned disabled_cpus; #endif /* !ASSEMBLY */ diff --git a/include/asm-x86_64/spinlock.h b/include/asm-x86_64/spinlock.h index 69636831ad2..fe484a699cc 100644 --- a/include/asm-x86_64/spinlock.h +++ b/include/asm-x86_64/spinlock.h @@ -18,22 +18,22 @@ */ #define __raw_spin_is_locked(x) \ - (*(volatile signed char *)(&(x)->slock) <= 0) + (*(volatile signed int *)(&(x)->slock) <= 0) #define __raw_spin_lock_string \ "\n1:\t" \ - "lock ; decb %0\n\t" \ + "lock ; decl %0\n\t" \ "js 2f\n" \ LOCK_SECTION_START("") \ "2:\t" \ "rep;nop\n\t" \ - "cmpb $0,%0\n\t" \ + "cmpl $0,%0\n\t" \ "jle 2b\n\t" \ "jmp 1b\n" \ LOCK_SECTION_END #define __raw_spin_unlock_string \ - "movb $1,%0" \ + "movl $1,%0" \ :"=m" (lock->slock) : : "memory" static inline void __raw_spin_lock(raw_spinlock_t *lock) @@ -47,10 +47,10 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock) static inline int __raw_spin_trylock(raw_spinlock_t *lock) { - char oldval; + int oldval; __asm__ __volatile__( - "xchgb %b0,%1" + "xchgl %0,%1" :"=q" (oldval), "=m" (lock->slock) :"0" (0) : "memory"); diff --git a/include/asm-x86_64/topology.h b/include/asm-x86_64/topology.h index 1c603cd7e4d..d39ebd5263e 100644 --- a/include/asm-x86_64/topology.h +++ b/include/asm-x86_64/topology.h @@ -28,6 +28,8 @@ extern int __node_distance(int, int); #define pcibus_to_node(bus) ((long)(bus->sysdata)) #define pcibus_to_cpumask(bus) node_to_cpumask(pcibus_to_node(bus)); +#define numa_node_id() read_pda(nodenumber) + /* sched_domains SD_NODE_INIT for x86_64 machines */ #define SD_NODE_INIT (struct sched_domain) { \ .span = CPU_MASK_NONE, \ diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h index 3c494b65d33..2c42150bce0 100644 --- a/include/asm-x86_64/unistd.h +++ b/include/asm-x86_64/unistd.h @@ -462,7 +462,7 @@ __SYSCALL(__NR_fremovexattr, sys_fremovexattr) #define __NR_tkill 200 __SYSCALL(__NR_tkill, sys_tkill) #define __NR_time 201 -__SYSCALL(__NR_time, sys_time64) +__SYSCALL(__NR_time, sys_time) #define __NR_futex 202 __SYSCALL(__NR_futex, sys_futex) #define __NR_sched_setaffinity 203 @@ -608,6 +608,7 @@ do { \ #define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_SYS_RT_SIGACTION +#define __ARCH_WANT_SYS_TIME #define __ARCH_WANT_COMPAT_SYS_TIME #endif diff --git a/include/linux/bitops.h b/include/linux/bitops.h index cb3c3ef50f5..38c2fb7ebe0 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -84,6 +84,16 @@ static __inline__ int get_bitmask_order(unsigned int count) return order; /* We could be slightly more clever with -1 here... */ } +static __inline__ int get_count_order(unsigned int count) +{ + int order; + + order = fls(count) - 1; + if (count & (count - 1)) + order++; + return order; +} + /* * hweightN: returns the hamming weight (i.e. the number * of bits set) of a N-bit word diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 23279d8f19b..313dfe9b443 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -14,6 +14,13 @@ struct vm_area_struct; /* Zone modifiers in GFP_ZONEMASK (see linux/mmzone.h - low two bits) */ #define __GFP_DMA ((__force gfp_t)0x01u) #define __GFP_HIGHMEM ((__force gfp_t)0x02u) +#ifdef CONFIG_DMA_IS_DMA32 +#define __GFP_DMA32 ((__force gfp_t)0x01) /* ZONE_DMA is ZONE_DMA32 */ +#elif BITS_PER_LONG < 64 +#define __GFP_DMA32 ((__force gfp_t)0x00) /* ZONE_NORMAL is ZONE_DMA32 */ +#else +#define __GFP_DMA32 ((__force gfp_t)0x04) /* Has own ZONE_DMA32 */ +#endif /* * Action modifiers - doesn't change the zoning @@ -63,6 +70,10 @@ struct vm_area_struct; #define GFP_DMA __GFP_DMA +/* 4GB DMA on some platforms */ +#define GFP_DMA32 __GFP_DMA32 + + #define gfp_zone(mask) ((__force int)((mask) & (__force gfp_t)GFP_ZONEMASK)) /* diff --git a/include/linux/libata.h b/include/linux/libata.h index ad5996183ec..f2dbb684ce9 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -59,6 +59,8 @@ #define VPRINTK(fmt, args...) #endif /* ATA_DEBUG */ +#define BPRINTK(fmt, args...) if (ap->flags & ATA_FLAG_DEBUGMSG) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args) + #ifdef ATA_NDEBUG #define assert(expr) #else @@ -119,6 +121,7 @@ enum { ATA_FLAG_PIO_DMA = (1 << 8), /* PIO cmds via DMA */ ATA_FLAG_NOINTR = (1 << 9), /* FIXME: Remove this once * proper HSM is in place. */ + ATA_FLAG_DEBUGMSG = (1 << 10), ATA_QCFLAG_ACTIVE = (1 << 1), /* cmd not yet ack'd to scsi lyer */ ATA_QCFLAG_SG = (1 << 3), /* have s/g table? */ @@ -659,6 +662,17 @@ static inline void ata_tf_init(struct ata_port *ap, struct ata_taskfile *tf, uns tf->device = ATA_DEVICE_OBS | ATA_DEV1; } +static inline void ata_qc_reinit(struct ata_queued_cmd *qc) +{ + qc->__sg = NULL; + qc->flags = 0; + qc->cursect = qc->cursg = qc->cursg_ofs = 0; + qc->nsect = 0; + qc->nbytes = qc->curbytes = 0; + + ata_tf_init(qc->ap, &qc->tf, qc->dev->devno); +} + /** * ata_irq_on - Enable interrupts on a port. diff --git a/include/linux/mm.h b/include/linux/mm.h index 7b115feca4d..1013a42d10b 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -206,12 +206,6 @@ struct vm_operations_struct { struct mmu_gather; struct inode; -#ifdef ARCH_HAS_ATOMIC_UNSIGNED -typedef unsigned page_flags_t; -#else -typedef unsigned long page_flags_t; -#endif - /* * Each physical page in the system has a struct page associated with * it to keep track of whatever it is we are using the page for at the @@ -219,7 +213,7 @@ typedef unsigned long page_flags_t; * a page. */ struct page { - page_flags_t flags; /* Atomic flags, some possibly + unsigned long flags; /* Atomic flags, some possibly * updated asynchronously */ atomic_t _count; /* Usage count, see below. */ atomic_t _mapcount; /* Count of ptes mapped in mms, @@ -435,7 +429,7 @@ static inline void put_page(struct page *page) #endif /* Page flags: | [SECTION] | [NODE] | ZONE | ... | FLAGS | */ -#define SECTIONS_PGOFF ((sizeof(page_flags_t)*8) - SECTIONS_WIDTH) +#define SECTIONS_PGOFF ((sizeof(unsigned long)*8) - SECTIONS_WIDTH) #define NODES_PGOFF (SECTIONS_PGOFF - NODES_WIDTH) #define ZONES_PGOFF (NODES_PGOFF - ZONES_WIDTH) diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 6cfb114a0c3..2c8edad5dcc 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -71,10 +71,11 @@ struct per_cpu_pageset { #endif #define ZONE_DMA 0 -#define ZONE_NORMAL 1 -#define ZONE_HIGHMEM 2 +#define ZONE_DMA32 1 +#define ZONE_NORMAL 2 +#define ZONE_HIGHMEM 3 -#define MAX_NR_ZONES 3 /* Sync this with ZONES_SHIFT */ +#define MAX_NR_ZONES 4 /* Sync this with ZONES_SHIFT */ #define ZONES_SHIFT 2 /* ceil(log2(MAX_NR_ZONES)) */ @@ -108,9 +109,10 @@ struct per_cpu_pageset { /* * On machines where it is needed (eg PCs) we divide physical memory - * into multiple physical zones. On a PC we have 3 zones: + * into multiple physical zones. On a PC we have 4 zones: * * ZONE_DMA < 16 MB ISA DMA capable memory + * ZONE_DMA32 0 MB Empty * ZONE_NORMAL 16-896 MB direct mapped by the kernel * ZONE_HIGHMEM > 896 MB only page cache and user processes */ @@ -433,7 +435,9 @@ int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *, int, struct file *, #include <linux/topology.h> /* Returns the number of the current Node. */ +#ifndef numa_node_id #define numa_node_id() (cpu_to_node(raw_smp_processor_id())) +#endif #ifndef CONFIG_NEED_MULTIPLE_NODES @@ -453,12 +457,12 @@ extern struct pglist_data contig_page_data; #include <asm/sparsemem.h> #endif -#if BITS_PER_LONG == 32 || defined(ARCH_HAS_ATOMIC_UNSIGNED) +#if BITS_PER_LONG == 32 /* - * with 32 bit page->flags field, we reserve 8 bits for node/zone info. - * there are 3 zones (2 bits) and this leaves 8-2=6 bits for nodes. + * with 32 bit page->flags field, we reserve 9 bits for node/zone info. + * there are 4 zones (3 bits) and this leaves 9-3=6 bits for nodes. */ -#define FLAGS_RESERVED 8 +#define FLAGS_RESERVED 9 #elif BITS_PER_LONG == 64 /* diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h index 72975fa8795..934a2479f16 100644 --- a/include/linux/netfilter/nfnetlink.h +++ b/include/linux/netfilter/nfnetlink.h @@ -112,7 +112,6 @@ struct nfnl_callback { int (*call)(struct sock *nl, struct sk_buff *skb, struct nlmsghdr *nlh, struct nfattr *cda[], int *errp); - kernel_cap_t cap_required; /* capabilities required for this msg */ u_int16_t attr_count; /* number of nfattr's */ }; @@ -154,11 +153,14 @@ extern void nfattr_parse(struct nfattr *tb[], int maxattr, #define nfattr_bad_size(tb, max, cta_min) \ ({ int __i, __res = 0; \ - for (__i=0; __i<max; __i++) \ + for (__i=0; __i<max; __i++) { \ + if (!cta_min[__i]) \ + continue; \ if (tb[__i] && NFA_PAYLOAD(tb[__i]) < cta_min[__i]){ \ __res = 1; \ break; \ } \ + } \ __res; \ }) diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 64f203c4537..6bc03c911a8 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -20,7 +20,6 @@ #include <linux/kernel.h> #include <linux/types.h> -#include <linux/list.h> #include <linux/compiler.h> struct file; @@ -859,6 +858,7 @@ enum }; #ifdef __KERNEL__ +#include <linux/list.h> extern void sysctl_init(void); |