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authorIngo Molnar <mingo@elte.hu>2009-03-04 02:29:19 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-04 02:29:19 +0100
commit91d75e209bd59695f0708d66964d928d45b3b2f3 (patch)
tree32cab1359d951e4193bebb181a0f0319824a2b95 /arch/x86/include
parent9976b39b5031bbf76f715893cf080b6a17683881 (diff)
parent8b0e5860cb099d7958d13b00ffbc35ad02735700 (diff)
Merge branch 'x86/core' into core/percpu
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/asm/apic.h26
-rw-r--r--arch/x86/include/asm/boot.h16
-rw-r--r--arch/x86/include/asm/fixmap.h149
-rw-r--r--arch/x86/include/asm/fixmap_32.h115
-rw-r--r--arch/x86/include/asm/fixmap_64.h79
-rw-r--r--arch/x86/include/asm/iomap.h3
-rw-r--r--arch/x86/include/asm/numa_32.h6
-rw-r--r--arch/x86/include/asm/pat.h3
-rw-r--r--arch/x86/include/asm/processor.h6
-rw-r--r--arch/x86/include/asm/seccomp_32.h6
-rw-r--r--arch/x86/include/asm/seccomp_64.h8
-rw-r--r--arch/x86/include/asm/setup.h7
-rw-r--r--arch/x86/include/asm/system.h3
-rw-r--r--arch/x86/include/asm/uaccess_64.h26
-rw-r--r--arch/x86/include/asm/uv/uv.h3
15 files changed, 209 insertions, 247 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index a6208dc7463..4ef949c1972 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -75,7 +75,14 @@ static inline void default_inquire_remote_apic(int apicid)
#define setup_secondary_clock setup_secondary_APIC_clock
#endif
+#ifdef CONFIG_X86_VSMP
extern int is_vsmp_box(void);
+#else
+static inline int is_vsmp_box(void)
+{
+ return 0;
+}
+#endif
extern void xapic_wait_icr_idle(void);
extern u32 safe_xapic_wait_icr_idle(void);
extern void xapic_icr_write(u32, u32);
@@ -306,7 +313,7 @@ struct apic {
void (*send_IPI_self)(int vector);
/* wakeup_secondary_cpu */
- int (*wakeup_cpu)(int apicid, unsigned long start_eip);
+ int (*wakeup_secondary_cpu)(int apicid, unsigned long start_eip);
int trampoline_phys_low;
int trampoline_phys_high;
@@ -324,8 +331,21 @@ struct apic {
u32 (*safe_wait_icr_idle)(void);
};
+/*
+ * Pointer to the local APIC driver in use on this system (there's
+ * always just one such driver in use - the kernel decides via an
+ * early probing process which one it picks - and then sticks to it):
+ */
extern struct apic *apic;
+/*
+ * APIC functionality to boot other CPUs - only used on SMP:
+ */
+#ifdef CONFIG_SMP
+extern atomic_t init_deasserted;
+extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip);
+#endif
+
static inline u32 apic_read(u32 reg)
{
return apic->read(reg);
@@ -384,9 +404,7 @@ static inline unsigned default_get_apic_id(unsigned long x)
#define DEFAULT_TRAMPOLINE_PHYS_LOW 0x467
#define DEFAULT_TRAMPOLINE_PHYS_HIGH 0x469
-#ifdef CONFIG_X86_32
-extern void es7000_update_apic_to_cluster(void);
-#else
+#ifdef CONFIG_X86_64
extern struct apic apic_flat;
extern struct apic apic_physflat;
extern struct apic apic_x2apic_cluster;
diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h
index dd61616cb73..6526cf08b0e 100644
--- a/arch/x86/include/asm/boot.h
+++ b/arch/x86/include/asm/boot.h
@@ -10,17 +10,31 @@
#define EXTENDED_VGA 0xfffe /* 80x50 mode */
#define ASK_VGA 0xfffd /* ask for it at bootup */
+#ifdef __KERNEL__
+
/* Physical address where kernel should be loaded. */
#define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \
+ (CONFIG_PHYSICAL_ALIGN - 1)) \
& ~(CONFIG_PHYSICAL_ALIGN - 1))
+#ifdef CONFIG_KERNEL_BZIP2
+#define BOOT_HEAP_SIZE 0x400000
+#else /* !CONFIG_KERNEL_BZIP2 */
+
#ifdef CONFIG_X86_64
#define BOOT_HEAP_SIZE 0x7000
-#define BOOT_STACK_SIZE 0x4000
#else
#define BOOT_HEAP_SIZE 0x4000
+#endif
+
+#endif /* !CONFIG_KERNEL_BZIP2 */
+
+#ifdef CONFIG_X86_64
+#define BOOT_STACK_SIZE 0x4000
+#else
#define BOOT_STACK_SIZE 0x1000
#endif
+#endif /* __KERNEL__ */
+
#endif /* _ASM_X86_BOOT_H */
diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h
index 23696d44a0a..dca8f03da5b 100644
--- a/arch/x86/include/asm/fixmap.h
+++ b/arch/x86/include/asm/fixmap.h
@@ -1,11 +1,155 @@
+/*
+ * fixmap.h: compile-time virtual memory allocation
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1998 Ingo Molnar
+ *
+ * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999
+ * x86_32 and x86_64 integration by Gustavo F. Padovan, February 2009
+ */
+
#ifndef _ASM_X86_FIXMAP_H
#define _ASM_X86_FIXMAP_H
+#ifndef __ASSEMBLY__
+#include <linux/kernel.h>
+#include <asm/acpi.h>
+#include <asm/apicdef.h>
+#include <asm/page.h>
+#ifdef CONFIG_X86_32
+#include <linux/threads.h>
+#include <asm/kmap_types.h>
+#else
+#include <asm/vsyscall.h>
+#ifdef CONFIG_EFI
+#include <asm/efi.h>
+#endif
+#endif
+
+/*
+ * We can't declare FIXADDR_TOP as variable for x86_64 because vsyscall
+ * uses fixmaps that relies on FIXADDR_TOP for proper address calculation.
+ * Because of this, FIXADDR_TOP x86 integration was left as later work.
+ */
+#ifdef CONFIG_X86_32
+/* used by vmalloc.c, vsyscall.lds.S.
+ *
+ * Leave one empty page between vmalloc'ed areas and
+ * the start of the fixmap.
+ */
+extern unsigned long __FIXADDR_TOP;
+#define FIXADDR_TOP ((unsigned long)__FIXADDR_TOP)
+
+#define FIXADDR_USER_START __fix_to_virt(FIX_VDSO)
+#define FIXADDR_USER_END __fix_to_virt(FIX_VDSO - 1)
+#else
+#define FIXADDR_TOP (VSYSCALL_END-PAGE_SIZE)
+
+/* Only covers 32bit vsyscalls currently. Need another set for 64bit. */
+#define FIXADDR_USER_START ((unsigned long)VSYSCALL32_VSYSCALL)
+#define FIXADDR_USER_END (FIXADDR_USER_START + PAGE_SIZE)
+#endif
+
+
+/*
+ * Here we define all the compile-time 'special' virtual
+ * addresses. The point is to have a constant address at
+ * compile time, but to set the physical address only
+ * in the boot process.
+ * for x86_32: We allocate these special addresses
+ * from the end of virtual memory (0xfffff000) backwards.
+ * Also this lets us do fail-safe vmalloc(), we
+ * can guarantee that these special addresses and
+ * vmalloc()-ed addresses never overlap.
+ *
+ * These 'compile-time allocated' memory buffers are
+ * fixed-size 4k pages (or larger if used with an increment
+ * higher than 1). Use set_fixmap(idx,phys) to associate
+ * physical memory with fixmap indices.
+ *
+ * TLB entries of such buffers will not be flushed across
+ * task switches.
+ */
+enum fixed_addresses {
#ifdef CONFIG_X86_32
-# include "fixmap_32.h"
+ FIX_HOLE,
+ FIX_VDSO,
#else
-# include "fixmap_64.h"
+ VSYSCALL_LAST_PAGE,
+ VSYSCALL_FIRST_PAGE = VSYSCALL_LAST_PAGE
+ + ((VSYSCALL_END-VSYSCALL_START) >> PAGE_SHIFT) - 1,
+ VSYSCALL_HPET,
#endif
+ FIX_DBGP_BASE,
+ FIX_EARLYCON_MEM_BASE,
+#ifdef CONFIG_X86_LOCAL_APIC
+ FIX_APIC_BASE, /* local (CPU) APIC) -- required for SMP or not */
+#endif
+#ifdef CONFIG_X86_IO_APIC
+ FIX_IO_APIC_BASE_0,
+ FIX_IO_APIC_BASE_END = FIX_IO_APIC_BASE_0 + MAX_IO_APICS - 1,
+#endif
+#ifdef CONFIG_X86_64
+#ifdef CONFIG_EFI
+ FIX_EFI_IO_MAP_LAST_PAGE,
+ FIX_EFI_IO_MAP_FIRST_PAGE = FIX_EFI_IO_MAP_LAST_PAGE
+ + MAX_EFI_IO_PAGES - 1,
+#endif
+#endif
+#ifdef CONFIG_X86_VISWS_APIC
+ FIX_CO_CPU, /* Cobalt timer */
+ FIX_CO_APIC, /* Cobalt APIC Redirection Table */
+ FIX_LI_PCIA, /* Lithium PCI Bridge A */
+ FIX_LI_PCIB, /* Lithium PCI Bridge B */
+#endif
+#ifdef CONFIG_X86_F00F_BUG
+ FIX_F00F_IDT, /* Virtual mapping for IDT */
+#endif
+#ifdef CONFIG_X86_CYCLONE_TIMER
+ FIX_CYCLONE_TIMER, /*cyclone timer register*/
+#endif
+#ifdef CONFIG_X86_32
+ FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */
+ FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,
+#ifdef CONFIG_PCI_MMCONFIG
+ FIX_PCIE_MCFG,
+#endif
+#endif
+#ifdef CONFIG_PARAVIRT
+ FIX_PARAVIRT_BOOTMAP,
+#endif
+ __end_of_permanent_fixed_addresses,
+#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
+ FIX_OHCI1394_BASE,
+#endif
+ /*
+ * 256 temporary boot-time mappings, used by early_ioremap(),
+ * before ioremap() is functional.
+ *
+ * We round it up to the next 256 pages boundary so that we
+ * can have a single pgd entry and a single pte table:
+ */
+#define NR_FIX_BTMAPS 64
+#define FIX_BTMAPS_SLOTS 4
+ FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 256 -
+ (__end_of_permanent_fixed_addresses & 255),
+ FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_SLOTS - 1,
+#ifdef CONFIG_X86_32
+ FIX_WP_TEST,
+#endif
+ __end_of_fixed_addresses
+};
+
+
+extern void reserve_top_address(unsigned long reserve);
+
+#define FIXADDR_SIZE (__end_of_permanent_fixed_addresses << PAGE_SHIFT)
+#define FIXADDR_BOOT_SIZE (__end_of_fixed_addresses << PAGE_SHIFT)
+#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE)
+#define FIXADDR_BOOT_START (FIXADDR_TOP - FIXADDR_BOOT_SIZE)
extern int fixmaps_set;
@@ -69,4 +213,5 @@ static inline unsigned long virt_to_fix(const unsigned long vaddr)
BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START);
return __virt_to_fix(vaddr);
}
+#endif /* !__ASSEMBLY__ */
#endif /* _ASM_X86_FIXMAP_H */
diff --git a/arch/x86/include/asm/fixmap_32.h b/arch/x86/include/asm/fixmap_32.h
deleted file mode 100644
index 047d9bab2b3..00000000000
--- a/arch/x86/include/asm/fixmap_32.h
+++ /dev/null
@@ -1,115 +0,0 @@
-/*
- * fixmap.h: compile-time virtual memory allocation
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1998 Ingo Molnar
- *
- * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999
- */
-
-#ifndef _ASM_X86_FIXMAP_32_H
-#define _ASM_X86_FIXMAP_32_H
-
-
-/* used by vmalloc.c, vsyscall.lds.S.
- *
- * Leave one empty page between vmalloc'ed areas and
- * the start of the fixmap.
- */
-extern unsigned long __FIXADDR_TOP;
-#define FIXADDR_USER_START __fix_to_virt(FIX_VDSO)
-#define FIXADDR_USER_END __fix_to_virt(FIX_VDSO - 1)
-
-#ifndef __ASSEMBLY__
-#include <linux/kernel.h>
-#include <asm/acpi.h>
-#include <asm/apicdef.h>
-#include <asm/page.h>
-#include <linux/threads.h>
-#include <asm/kmap_types.h>
-
-/*
- * Here we define all the compile-time 'special' virtual
- * addresses. The point is to have a constant address at
- * compile time, but to set the physical address only
- * in the boot process. We allocate these special addresses
- * from the end of virtual memory (0xfffff000) backwards.
- * Also this lets us do fail-safe vmalloc(), we
- * can guarantee that these special addresses and
- * vmalloc()-ed addresses never overlap.
- *
- * these 'compile-time allocated' memory buffers are
- * fixed-size 4k pages. (or larger if used with an increment
- * highger than 1) use fixmap_set(idx,phys) to associate
- * physical memory with fixmap indices.
- *
- * TLB entries of such buffers will not be flushed across
- * task switches.
- */
-enum fixed_addresses {
- FIX_HOLE,
- FIX_VDSO,
- FIX_DBGP_BASE,
- FIX_EARLYCON_MEM_BASE,
-#ifdef CONFIG_X86_LOCAL_APIC
- FIX_APIC_BASE, /* local (CPU) APIC) -- required for SMP or not */
-#endif
-#ifdef CONFIG_X86_IO_APIC
- FIX_IO_APIC_BASE_0,
- FIX_IO_APIC_BASE_END = FIX_IO_APIC_BASE_0 + MAX_IO_APICS-1,
-#endif
-#ifdef CONFIG_X86_VISWS_APIC
- FIX_CO_CPU, /* Cobalt timer */
- FIX_CO_APIC, /* Cobalt APIC Redirection Table */
- FIX_LI_PCIA, /* Lithium PCI Bridge A */
- FIX_LI_PCIB, /* Lithium PCI Bridge B */
-#endif
-#ifdef CONFIG_X86_F00F_BUG
- FIX_F00F_IDT, /* Virtual mapping for IDT */
-#endif
-#ifdef CONFIG_X86_CYCLONE_TIMER
- FIX_CYCLONE_TIMER, /*cyclone timer register*/
-#endif
- FIX_KMAP_BEGIN, /* reserved pte's for temporary kernel mappings */
- FIX_KMAP_END = FIX_KMAP_BEGIN+(KM_TYPE_NR*NR_CPUS)-1,
-#ifdef CONFIG_PCI_MMCONFIG
- FIX_PCIE_MCFG,
-#endif
-#ifdef CONFIG_PARAVIRT
- FIX_PARAVIRT_BOOTMAP,
-#endif
- __end_of_permanent_fixed_addresses,
- /*
- * 256 temporary boot-time mappings, used by early_ioremap(),
- * before ioremap() is functional.
- *
- * We round it up to the next 256 pages boundary so that we
- * can have a single pgd entry and a single pte table:
- */
-#define NR_FIX_BTMAPS 64
-#define FIX_BTMAPS_SLOTS 4
- FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 256 -
- (__end_of_permanent_fixed_addresses & 255),
- FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_SLOTS - 1,
- FIX_WP_TEST,
-#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
- FIX_OHCI1394_BASE,
-#endif
- __end_of_fixed_addresses
-};
-
-extern void reserve_top_address(unsigned long reserve);
-
-
-#define FIXADDR_TOP ((unsigned long)__FIXADDR_TOP)
-
-#define __FIXADDR_SIZE (__end_of_permanent_fixed_addresses << PAGE_SHIFT)
-#define __FIXADDR_BOOT_SIZE (__end_of_fixed_addresses << PAGE_SHIFT)
-#define FIXADDR_START (FIXADDR_TOP - __FIXADDR_SIZE)
-#define FIXADDR_BOOT_START (FIXADDR_TOP - __FIXADDR_BOOT_SIZE)
-
-#endif /* !__ASSEMBLY__ */
-#endif /* _ASM_X86_FIXMAP_32_H */
diff --git a/arch/x86/include/asm/fixmap_64.h b/arch/x86/include/asm/fixmap_64.h
deleted file mode 100644
index 298d9ba3fae..00000000000
--- a/arch/x86/include/asm/fixmap_64.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * fixmap.h: compile-time virtual memory allocation
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1998 Ingo Molnar
- */
-
-#ifndef _ASM_X86_FIXMAP_64_H
-#define _ASM_X86_FIXMAP_64_H
-
-#include <linux/kernel.h>
-#include <asm/acpi.h>
-#include <asm/apicdef.h>
-#include <asm/page.h>
-#include <asm/vsyscall.h>
-#include <asm/efi.h>
-
-/*
- * Here we define all the compile-time 'special' virtual
- * addresses. The point is to have a constant address at
- * compile time, but to set the physical address only
- * in the boot process.
- *
- * These 'compile-time allocated' memory buffers are
- * fixed-size 4k pages (or larger if used with an increment
- * higher than 1). Use set_fixmap(idx,phys) to associate
- * physical memory with fixmap indices.
- *
- * TLB entries of such buffers will not be flushed across
- * task switches.
- */
-
-enum fixed_addresses {
- VSYSCALL_LAST_PAGE,
- VSYSCALL_FIRST_PAGE = VSYSCALL_LAST_PAGE
- + ((VSYSCALL_END-VSYSCALL_START) >> PAGE_SHIFT) - 1,
- VSYSCALL_HPET,
- FIX_DBGP_BASE,
- FIX_EARLYCON_MEM_BASE,
- FIX_APIC_BASE, /* local (CPU) APIC) -- required for SMP or not */
- FIX_IO_APIC_BASE_0,
- FIX_IO_APIC_BASE_END = FIX_IO_APIC_BASE_0 + MAX_IO_APICS - 1,
- FIX_EFI_IO_MAP_LAST_PAGE,
- FIX_EFI_IO_MAP_FIRST_PAGE = FIX_EFI_IO_MAP_LAST_PAGE
- + MAX_EFI_IO_PAGES - 1,
-#ifdef CONFIG_PARAVIRT
- FIX_PARAVIRT_BOOTMAP,
-#endif
- __end_of_permanent_fixed_addresses,
-#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
- FIX_OHCI1394_BASE,
-#endif
- /*
- * 256 temporary boot-time mappings, used by early_ioremap(),
- * before ioremap() is functional.
- *
- * We round it up to the next 256 pages boundary so that we
- * can have a single pgd entry and a single pte table:
- */
-#define NR_FIX_BTMAPS 64
-#define FIX_BTMAPS_SLOTS 4
- FIX_BTMAP_END = __end_of_permanent_fixed_addresses + 256 -
- (__end_of_permanent_fixed_addresses & 255),
- FIX_BTMAP_BEGIN = FIX_BTMAP_END + NR_FIX_BTMAPS*FIX_BTMAPS_SLOTS - 1,
- __end_of_fixed_addresses
-};
-
-#define FIXADDR_TOP (VSYSCALL_END-PAGE_SIZE)
-#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT)
-#define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE)
-
-/* Only covers 32bit vsyscalls currently. Need another set for 64bit. */
-#define FIXADDR_USER_START ((unsigned long)VSYSCALL32_VSYSCALL)
-#define FIXADDR_USER_END (FIXADDR_USER_START + PAGE_SIZE)
-
-#endif /* _ASM_X86_FIXMAP_64_H */
diff --git a/arch/x86/include/asm/iomap.h b/arch/x86/include/asm/iomap.h
index c1f06289b14..86af26091d6 100644
--- a/arch/x86/include/asm/iomap.h
+++ b/arch/x86/include/asm/iomap.h
@@ -23,6 +23,9 @@
#include <asm/pgtable.h>
#include <asm/tlbflush.h>
+int
+is_io_mapping_possible(resource_size_t base, unsigned long size);
+
void *
iomap_atomic_prot_pfn(unsigned long pfn, enum km_type type, pgprot_t prot);
diff --git a/arch/x86/include/asm/numa_32.h b/arch/x86/include/asm/numa_32.h
index e9f5db79624..a37229011b5 100644
--- a/arch/x86/include/asm/numa_32.h
+++ b/arch/x86/include/asm/numa_32.h
@@ -4,8 +4,12 @@
extern int pxm_to_nid(int pxm);
extern void numa_remove_cpu(int cpu);
-#ifdef CONFIG_NUMA
+#ifdef CONFIG_HIGHMEM
extern void set_highmem_pages_init(void);
+#else
+static inline void set_highmem_pages_init(void)
+{
+}
#endif
#endif /* _ASM_X86_NUMA_32_H */
diff --git a/arch/x86/include/asm/pat.h b/arch/x86/include/asm/pat.h
index 9709fdff661..b0e70056838 100644
--- a/arch/x86/include/asm/pat.h
+++ b/arch/x86/include/asm/pat.h
@@ -15,4 +15,7 @@ extern int reserve_memtype(u64 start, u64 end,
unsigned long req_type, unsigned long *ret_type);
extern int free_memtype(u64 start, u64 end);
+extern int kernel_map_sync_memtype(u64 base, unsigned long size,
+ unsigned long flag);
+
#endif /* _ASM_X86_PAT_H */
diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h
index c7a98f73821..76139506c3e 100644
--- a/arch/x86/include/asm/processor.h
+++ b/arch/x86/include/asm/processor.h
@@ -248,7 +248,6 @@ struct x86_hw_tss {
#define IO_BITMAP_LONGS (IO_BITMAP_BYTES/sizeof(long))
#define IO_BITMAP_OFFSET offsetof(struct tss_struct, io_bitmap)
#define INVALID_IO_BITMAP_OFFSET 0x8000
-#define INVALID_IO_BITMAP_OFFSET_LAZY 0x9000
struct tss_struct {
/*
@@ -263,11 +262,6 @@ struct tss_struct {
* be within the limit.
*/
unsigned long io_bitmap[IO_BITMAP_LONGS + 1];
- /*
- * Cache the current maximum and the last task that used the bitmap:
- */
- unsigned long io_bitmap_max;
- struct thread_struct *io_bitmap_owner;
/*
* .. and then another 0x100 bytes for the emergency kernel stack:
diff --git a/arch/x86/include/asm/seccomp_32.h b/arch/x86/include/asm/seccomp_32.h
index a6ad87b352c..b811d6f5780 100644
--- a/arch/x86/include/asm/seccomp_32.h
+++ b/arch/x86/include/asm/seccomp_32.h
@@ -1,12 +1,6 @@
#ifndef _ASM_X86_SECCOMP_32_H
#define _ASM_X86_SECCOMP_32_H
-#include <linux/thread_info.h>
-
-#ifdef TIF_32BIT
-#error "unexpected TIF_32BIT on i386"
-#endif
-
#include <linux/unistd.h>
#define __NR_seccomp_read __NR_read
diff --git a/arch/x86/include/asm/seccomp_64.h b/arch/x86/include/asm/seccomp_64.h
index 4171bb794e9..84ec1bd161a 100644
--- a/arch/x86/include/asm/seccomp_64.h
+++ b/arch/x86/include/asm/seccomp_64.h
@@ -1,14 +1,6 @@
#ifndef _ASM_X86_SECCOMP_64_H
#define _ASM_X86_SECCOMP_64_H
-#include <linux/thread_info.h>
-
-#ifdef TIF_32BIT
-#error "unexpected TIF_32BIT on x86_64"
-#else
-#define TIF_32BIT TIF_IA32
-#endif
-
#include <linux/unistd.h>
#include <asm/ia32_unistd.h>
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 66801cb72f6..05c6f6b11fd 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -31,7 +31,6 @@ struct x86_quirks {
void (*smp_read_mpc_oem)(struct mpc_oemtable *oemtable,
unsigned short oemsize);
int (*setup_ioapic_ids)(void);
- int (*update_apic)(void);
};
extern void x86_quirk_pre_intr_init(void);
@@ -65,7 +64,11 @@ extern void x86_quirk_time_init(void);
#include <asm/bootparam.h>
/* Interrupt control for vSMPowered x86_64 systems */
+#ifdef CONFIG_X86_VSMP
void vsmp_init(void);
+#else
+static inline void vsmp_init(void) { }
+#endif
void setup_bios_corruption_check(void);
@@ -77,8 +80,6 @@ static inline void visws_early_detect(void) { }
static inline int is_visws_box(void) { return 0; }
#endif
-extern int wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip);
-extern int wakeup_secondary_cpu_via_init(int apicid, unsigned long start_eip);
extern struct x86_quirks *x86_quirks;
extern unsigned long saved_video_mode;
diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h
index c00bfdbdd45..643c59b4bc6 100644
--- a/arch/x86/include/asm/system.h
+++ b/arch/x86/include/asm/system.h
@@ -20,6 +20,9 @@
struct task_struct; /* one of the stranger aspects of C forward declarations */
struct task_struct *__switch_to(struct task_struct *prev,
struct task_struct *next);
+struct tss_struct;
+void __switch_to_xtra(struct task_struct *prev_p, struct task_struct *next_p,
+ struct tss_struct *tss);
#ifdef CONFIG_X86_32
diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h
index 987a2c10fe2..8cc687326eb 100644
--- a/arch/x86/include/asm/uaccess_64.h
+++ b/arch/x86/include/asm/uaccess_64.h
@@ -188,30 +188,18 @@ __copy_to_user_inatomic(void __user *dst, const void *src, unsigned size)
extern long __copy_user_nocache(void *dst, const void __user *src,
unsigned size, int zerorest);
-static inline int __copy_from_user_nocache(void *dst, const void __user *src,
- unsigned size)
+static inline int
+__copy_from_user_nocache(void *dst, const void __user *src, unsigned size)
{
might_sleep();
- /*
- * In practice this limit means that large file write()s
- * which get chunked to 4K copies get handled via
- * non-temporal stores here. Smaller writes get handled
- * via regular __copy_from_user():
- */
- if (likely(size >= PAGE_SIZE))
- return __copy_user_nocache(dst, src, size, 1);
- else
- return __copy_from_user(dst, src, size);
+ return __copy_user_nocache(dst, src, size, 1);
}
-static inline int __copy_from_user_inatomic_nocache(void *dst,
- const void __user *src,
- unsigned size)
+static inline int
+__copy_from_user_inatomic_nocache(void *dst, const void __user *src,
+ unsigned size)
{
- if (likely(size >= PAGE_SIZE))
- return __copy_user_nocache(dst, src, size, 0);
- else
- return __copy_from_user_inatomic(dst, src, size);
+ return __copy_user_nocache(dst, src, size, 0);
}
unsigned long
diff --git a/arch/x86/include/asm/uv/uv.h b/arch/x86/include/asm/uv/uv.h
index 8242bf96581..c0a01b5d985 100644
--- a/arch/x86/include/asm/uv/uv.h
+++ b/arch/x86/include/asm/uv/uv.h
@@ -12,7 +12,6 @@ extern enum uv_system_type get_uv_system_type(void);
extern int is_uv_system(void);
extern void uv_cpu_init(void);
extern void uv_system_init(void);
-extern int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip);
extern const struct cpumask *uv_flush_tlb_others(const struct cpumask *cpumask,
struct mm_struct *mm,
unsigned long va,
@@ -24,8 +23,6 @@ static inline enum uv_system_type get_uv_system_type(void) { return UV_NONE; }
static inline int is_uv_system(void) { return 0; }
static inline void uv_cpu_init(void) { }
static inline void uv_system_init(void) { }
-static inline int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip)
-{ return 1; }
static inline const struct cpumask *
uv_flush_tlb_others(const struct cpumask *cpumask, struct mm_struct *mm,
unsigned long va, unsigned int cpu)