324 files changed, 2446 insertions, 1404 deletions
diff --git a/include/asm-x86/a.out-core.h b/include/asm-x86/a.out-core.h
index 714207a1c387..f5705761a37b 100644
--- a/include/asm-x86/a.out-core.h
+++ b/include/asm-x86/a.out-core.h
@@ -9,8 +9,8 @@
 * 2 of the Licence, or (at your option) any later version.
 */
-#ifndef _ASM_A_OUT_CORE_H
+#ifndef ASM_X86__A_OUT_CORE_H
-#define _ASM_A_OUT_CORE_H
+#define ASM_X86__A_OUT_CORE_H
 #ifdef __KERNEL__
 #ifdef CONFIG_X86_32
@@ -70,4 +70,4 @@ static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)
 #endif /* CONFIG_X86_32 */
 #endif /* __KERNEL__ */
-#endif /* _ASM_A_OUT_CORE_H */
+#endif /* ASM_X86__A_OUT_CORE_H */
diff --git a/include/asm-x86/a.out.h b/include/asm-x86/a.out.h
index 4684f97a5bbd..0948748bc69c 100644
--- a/include/asm-x86/a.out.h
+++ b/include/asm-x86/a.out.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_A_OUT_H
+#ifndef ASM_X86__A_OUT_H
-#define _ASM_X86_A_OUT_H
+#define ASM_X86__A_OUT_H
 struct exec
 {
@@ -17,4 +17,4 @@ struct exec
 #define N_DRSIZE(a)     ((a).a_drsize)
 #define N_SYMSIZE(a)    ((a).a_syms)
-#endif /* _ASM_X86_A_OUT_H */
+#endif /* ASM_X86__A_OUT_H */
diff --git a/include/asm-x86/acpi.h b/include/asm-x86/acpi.h
index 35d1743b57ac..392e17336be1 100644
--- a/include/asm-x86/acpi.h
+++ b/include/asm-x86/acpi.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_ACPI_H
+#ifndef ASM_X86__ACPI_H
-#define _ASM_X86_ACPI_H
+#define ASM_X86__ACPI_H
 /*
 *  Copyright (C) 2001 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
@@ -175,4 +175,4 @@ static inline void acpi_fake_nodes(const struct bootnode *fake_nodes,
 #define acpi_unlazy_tlb(x)      leave_mm(x)
-#endif /*__X86_ASM_ACPI_H*/
+#endif /* ASM_X86__ACPI_H */
diff --git a/include/asm-x86/agp.h b/include/asm-x86/agp.h
index e4004a9f6a9a..3617fd4fcdf9 100644
--- a/include/asm-x86/agp.h
+++ b/include/asm-x86/agp.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_AGP_H
+#ifndef ASM_X86__AGP_H
-#define _ASM_X86_AGP_H
+#define ASM_X86__AGP_H
 #include <asm/pgtable.h>
 #include <asm/cacheflush.h>
@@ -32,4 +32,4 @@
 #define free_gatt_pages(table, order)   \
        free_pages((unsigned long)(table), (order))
-#endif
+#endif /* ASM_X86__AGP_H */
diff --git a/include/asm-x86/alternative.h b/include/asm-x86/alternative.h
index f6aa18eadf71..22d3c9862bf3 100644
--- a/include/asm-x86/alternative.h
+++ b/include/asm-x86/alternative.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_ALTERNATIVE_H
+#ifndef ASM_X86__ALTERNATIVE_H
-#define _ASM_X86_ALTERNATIVE_H
+#define ASM_X86__ALTERNATIVE_H
 #include <linux/types.h>
 #include <linux/stddef.h>
@@ -180,4 +180,4 @@ extern void add_nops(void *insns, unsigned int len);
 extern void *text_poke(void *addr, const void *opcode, size_t len);
 extern void *text_poke_early(void *addr, const void *opcode, size_t len);
-#endif /* _ASM_X86_ALTERNATIVE_H */
+#endif /* ASM_X86__ALTERNATIVE_H */
diff --git a/include/asm-x86/amd_iommu.h b/include/asm-x86/amd_iommu.h
index 30a12049353b..783f43e58052 100644
--- a/include/asm-x86/amd_iommu.h
+++ b/include/asm-x86/amd_iommu.h
@@ -17,8 +17,8 @@
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */
-#ifndef _ASM_X86_AMD_IOMMU_H
+#ifndef ASM_X86__AMD_IOMMU_H
-#define _ASM_X86_AMD_IOMMU_H
+#define ASM_X86__AMD_IOMMU_H
 #ifdef CONFIG_AMD_IOMMU
 extern int amd_iommu_init(void);
@@ -29,4 +29,4 @@ static inline int amd_iommu_init(void) { return -ENODEV; }
 static inline void amd_iommu_detect(void) { }
 #endif
-#endif
+#endif /* ASM_X86__AMD_IOMMU_H */
diff --git a/include/asm-x86/amd_iommu_types.h b/include/asm-x86/amd_iommu_types.h
index dcc812067394..1ffa4e53c989 100644
--- a/include/asm-x86/amd_iommu_types.h
+++ b/include/asm-x86/amd_iommu_types.h
@@ -17,8 +17,8 @@
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */
-#ifndef __AMD_IOMMU_TYPES_H__
+#ifndef ASM_X86__AMD_IOMMU_TYPES_H
-#define __AMD_IOMMU_TYPES_H__
+#define ASM_X86__AMD_IOMMU_TYPES_H
 #include <linux/types.h>
 #include <linux/list.h>
@@ -341,4 +341,4 @@ static inline u16 calc_devid(u8 bus, u8 devfn)
        return (((u16)bus) << 8) | devfn;
 }
-#endif
+#endif /* ASM_X86__AMD_IOMMU_TYPES_H */
diff --git a/include/asm-x86/apic.h b/include/asm-x86/apic.h
index 133c998161ca..65590c9aecd4 100644
--- a/include/asm-x86/apic.h
+++ b/include/asm-x86/apic.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_APIC_H
+#ifndef ASM_X86__APIC_H
-#define _ASM_X86_APIC_H
+#define ASM_X86__APIC_H
 #include <linux/pm.h>
 #include <linux/delay.h>
@@ -54,6 +54,11 @@ extern int disable_apic;
 #endif
 extern int is_vsmp_box(void);
+extern void xapic_wait_icr_idle(void);
+extern u32 safe_xapic_wait_icr_idle(void);
+extern u64 xapic_icr_read(void);
+extern void xapic_icr_write(u32, u32);
+extern int setup_profiling_timer(unsigned int);
 static inline void native_apic_write(unsigned long reg, u32 v)
 {
@@ -76,9 +81,7 @@ extern int get_physical_broadcast(void);
 static inline void ack_APIC_irq(void)
 {
        /*
-         * ack_APIC_irq() actually gets compiled as a single instruction:
+         * ack_APIC_irq() actually gets compiled as a single instruction
-         * - a single rmw on Pentium/82489DX
-         * - a single write on P6+ cores (CONFIG_X86_GOOD_APIC)
         * ... yummie.
         */
@@ -128,4 +131,4 @@ static inline void init_apic_mappings(void) { }
 #endif /* !CONFIG_X86_LOCAL_APIC */
-#endif /* __ASM_APIC_H */
+#endif /* ASM_X86__APIC_H */
diff --git a/include/asm-x86/apicdef.h b/include/asm-x86/apicdef.h
index 6b9008c78731..c40687da20fc 100644
--- a/include/asm-x86/apicdef.h
+++ b/include/asm-x86/apicdef.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_APICDEF_H
+#ifndef ASM_X86__APICDEF_H
-#define _ASM_X86_APICDEF_H
+#define ASM_X86__APICDEF_H
 /*
 * Constants for various Intel APICs. (local APIC, IOAPIC, etc.)
@@ -411,4 +411,4 @@ struct local_apic {
 #else
 #define BAD_APICID 0xFFFFu
 #endif
-#endif
+#endif /* ASM_X86__APICDEF_H */
diff --git a/include/asm-x86/arch_hooks.h b/include/asm-x86/arch_hooks.h
index 8411750ceb63..72adc3a109cc 100644
--- a/include/asm-x86/arch_hooks.h
+++ b/include/asm-x86/arch_hooks.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_ARCH_HOOKS_H
+#ifndef ASM_X86__ARCH_HOOKS_H
-#define _ASM_ARCH_HOOKS_H
+#define ASM_X86__ARCH_HOOKS_H
 #include <linux/interrupt.h>
@@ -25,4 +25,4 @@ extern void pre_time_init_hook(void);
 extern void time_init_hook(void);
 extern void mca_nmi_hook(void);
-#endif
+#endif /* ASM_X86__ARCH_HOOKS_H */
diff --git a/include/asm-x86/asm.h b/include/asm-x86/asm.h
index 97220321f39d..e1355f44d7c3 100644
--- a/include/asm-x86/asm.h
+++ b/include/asm-x86/asm.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_ASM_H
+#ifndef ASM_X86__ASM_H
-#define _ASM_X86_ASM_H
+#define ASM_X86__ASM_H
 #ifdef __ASSEMBLY__
 # define __ASM_FORM(x)  x
@@ -20,17 +20,22 @@
 #define _ASM_PTR        __ASM_SEL(.long, .quad)
 #define _ASM_ALIGN      __ASM_SEL(.balign 4, .balign 8)
-#define _ASM_MOV_UL     __ASM_SIZE(mov)
+#define _ASM_MOV        __ASM_SIZE(mov)
 #define _ASM_INC        __ASM_SIZE(inc)
 #define _ASM_DEC        __ASM_SIZE(dec)
 #define _ASM_ADD        __ASM_SIZE(add)
 #define _ASM_SUB        __ASM_SIZE(sub)
 #define _ASM_XADD       __ASM_SIZE(xadd)
 #define _ASM_AX         __ASM_REG(ax)
 #define _ASM_BX         __ASM_REG(bx)
 #define _ASM_CX         __ASM_REG(cx)
 #define _ASM_DX         __ASM_REG(dx)
+#define _ASM_SP         __ASM_REG(sp)
+#define _ASM_BP         __ASM_REG(bp)
+#define _ASM_SI         __ASM_REG(si)
+#define _ASM_DI         __ASM_REG(di)
 /* Exception table entry */
 # define _ASM_EXTABLE(from,to) \
@@ -39,4 +44,4 @@
        _ASM_PTR #from "," #to "\n" \
        " .previous\n"
-#endif /* _ASM_X86_ASM_H */
+#endif /* ASM_X86__ASM_H */
diff --git a/include/asm-x86/atomic_32.h b/include/asm-x86/atomic_32.h
index 21a4825148c0..14d3f0beb889 100644
--- a/include/asm-x86/atomic_32.h
+++ b/include/asm-x86/atomic_32.h
@@ -1,5 +1,5 @@
-#ifndef __ARCH_I386_ATOMIC__
+#ifndef ASM_X86__ATOMIC_32_H
-#define __ARCH_I386_ATOMIC__
+#define ASM_X86__ATOMIC_32_H
 #include <linux/compiler.h>
 #include <asm/processor.h>
@@ -256,4 +256,4 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u)
 #define smp_mb__after_atomic_inc()      barrier()
 #include <asm-generic/atomic.h>
-#endif
+#endif /* ASM_X86__ATOMIC_32_H */
diff --git a/include/asm-x86/atomic_64.h b/include/asm-x86/atomic_64.h
index 91c7d03e65bc..2cb218c4a356 100644
--- a/include/asm-x86/atomic_64.h
+++ b/include/asm-x86/atomic_64.h
@@ -1,5 +1,5 @@
-#ifndef __ARCH_X86_64_ATOMIC__
+#ifndef ASM_X86__ATOMIC_64_H
-#define __ARCH_X86_64_ATOMIC__
+#define ASM_X86__ATOMIC_64_H
 #include <asm/alternative.h>
 #include <asm/cmpxchg.h>
@@ -470,4 +470,4 @@ static inline void atomic_or_long(unsigned long *v1, unsigned long v2)
 #define smp_mb__after_atomic_inc()      barrier()
 #include <asm-generic/atomic.h>
-#endif
+#endif /* ASM_X86__ATOMIC_64_H */
diff --git a/include/asm-x86/auxvec.h b/include/asm-x86/auxvec.h
index 87f5e6d5a020..12c7cac74202 100644
--- a/include/asm-x86/auxvec.h
+++ b/include/asm-x86/auxvec.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_AUXVEC_H
+#ifndef ASM_X86__AUXVEC_H
-#define _ASM_X86_AUXVEC_H
+#define ASM_X86__AUXVEC_H
 /*
 * Architecture-neutral AT_ values in 0-17, leave some room
 * for more of them, start the x86-specific ones at 32.
@@ -9,4 +9,4 @@
 #endif
 #define AT_SYSINFO_EHDR         33
-#endif
+#endif /* ASM_X86__AUXVEC_H */
diff --git a/include/asm-x86/bios_ebda.h b/include/asm-x86/bios_ebda.h
index 0033e50c13b2..ec42ed874591 100644
--- a/include/asm-x86/bios_ebda.h
+++ b/include/asm-x86/bios_ebda.h
@@ -1,5 +1,5 @@
-#ifndef _MACH_BIOS_EBDA_H
+#ifndef ASM_X86__BIOS_EBDA_H
-#define _MACH_BIOS_EBDA_H
+#define ASM_X86__BIOS_EBDA_H
 #include <asm/io.h>
@@ -16,4 +16,4 @@ static inline unsigned int get_bios_ebda(void)
 void reserve_ebda_region(void);
-#endif /* _MACH_BIOS_EBDA_H */
+#endif /* ASM_X86__BIOS_EBDA_H */
diff --git a/include/asm-x86/bitops.h b/include/asm-x86/bitops.h
index cfb2b64f76e7..61989b93b475 100644
--- a/include/asm-x86/bitops.h
+++ b/include/asm-x86/bitops.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_BITOPS_H
+#ifndef ASM_X86__BITOPS_H
-#define _ASM_X86_BITOPS_H
+#define ASM_X86__BITOPS_H
 /*
 * Copyright 1992, Linus Torvalds.
@@ -458,4 +458,4 @@ static inline void set_bit_string(unsigned long *bitmap,
 #include <asm-generic/bitops/minix.h>
 #endif /* __KERNEL__ */
-#endif  /* _ASM_X86_BITOPS_H */
+#endif /* ASM_X86__BITOPS_H */
diff --git a/include/asm-x86/boot.h b/include/asm-x86/boot.h
index 2faed7ecb092..825de5dc867c 100644
--- a/include/asm-x86/boot.h
+++ b/include/asm-x86/boot.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_BOOT_H
+#ifndef ASM_X86__BOOT_H
-#define _ASM_BOOT_H
+#define ASM_X86__BOOT_H
 /* Don't touch these, unless you really know what you're doing. */
 #define DEF_INITSEG     0x9000
@@ -25,4 +25,4 @@
 #define BOOT_STACK_SIZE 0x1000
 #endif
-#endif /* _ASM_BOOT_H */
+#endif /* ASM_X86__BOOT_H */
diff --git a/include/asm-x86/bootparam.h b/include/asm-x86/bootparam.h
index ae22bdf0ab14..ccf027e2d97d 100644
--- a/include/asm-x86/bootparam.h
+++ b/include/asm-x86/bootparam.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_BOOTPARAM_H
+#ifndef ASM_X86__BOOTPARAM_H
-#define _ASM_BOOTPARAM_H
+#define ASM_X86__BOOTPARAM_H
 #include <linux/types.h>
 #include <linux/screen_info.h>
@@ -108,4 +108,4 @@ struct boot_params {
        __u8  _pad9[276];                               /* 0xeec */
 } __attribute__((packed));
-#endif /* _ASM_BOOTPARAM_H */
+#endif /* ASM_X86__BOOTPARAM_H */
diff --git a/include/asm-x86/bug.h b/include/asm-x86/bug.h
index b69aa64b82a4..91ad43a54c47 100644
--- a/include/asm-x86/bug.h
+++ b/include/asm-x86/bug.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_BUG_H
+#ifndef ASM_X86__BUG_H
-#define _ASM_X86_BUG_H
+#define ASM_X86__BUG_H
 #ifdef CONFIG_BUG
 #define HAVE_ARCH_BUG
@@ -36,4 +36,4 @@ do {								\
 #endif /* !CONFIG_BUG */
 #include <asm-generic/bug.h>
-#endif
+#endif /* ASM_X86__BUG_H */
diff --git a/include/asm-x86/bugs.h b/include/asm-x86/bugs.h
index 021cbdd5f258..4761c461d23a 100644
--- a/include/asm-x86/bugs.h
+++ b/include/asm-x86/bugs.h
@@ -1,7 +1,7 @@
-#ifndef _ASM_X86_BUGS_H
+#ifndef ASM_X86__BUGS_H
-#define _ASM_X86_BUGS_H
+#define ASM_X86__BUGS_H
 extern void check_bugs(void);
 int ppro_with_ram_bug(void);
-#endif /* _ASM_X86_BUGS_H */
+#endif /* ASM_X86__BUGS_H */
diff --git a/include/asm-x86/byteorder.h b/include/asm-x86/byteorder.h
index e02ae2d89acf..722f27d68105 100644
--- a/include/asm-x86/byteorder.h
+++ b/include/asm-x86/byteorder.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_BYTEORDER_H
+#ifndef ASM_X86__BYTEORDER_H
-#define _ASM_X86_BYTEORDER_H
+#define ASM_X86__BYTEORDER_H
 #include <asm/types.h>
 #include <linux/compiler.h>
@@ -78,4 +78,4 @@ static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
 #include <linux/byteorder/little_endian.h>
-#endif /* _ASM_X86_BYTEORDER_H */
+#endif /* ASM_X86__BYTEORDER_H */
diff --git a/include/asm-x86/cache.h b/include/asm-x86/cache.h
index 1e0bac86f38f..ea3f1cc06a97 100644
--- a/include/asm-x86/cache.h
+++ b/include/asm-x86/cache.h
@@ -1,5 +1,5 @@
-#ifndef _ARCH_X86_CACHE_H
+#ifndef ASM_X86__CACHE_H
-#define _ARCH_X86_CACHE_H
+#define ASM_X86__CACHE_H
 /* L1 cache line size */
 #define L1_CACHE_SHIFT  (CONFIG_X86_L1_CACHE_SHIFT)
@@ -17,4 +17,4 @@
 #endif
 #endif
-#endif
+#endif /* ASM_X86__CACHE_H */
diff --git a/include/asm-x86/cacheflush.h b/include/asm-x86/cacheflush.h
index f4c0ab50d2c2..59859cb28a36 100644
--- a/include/asm-x86/cacheflush.h
+++ b/include/asm-x86/cacheflush.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_CACHEFLUSH_H
+#ifndef ASM_X86__CACHEFLUSH_H
-#define _ASM_X86_CACHEFLUSH_H
+#define ASM_X86__CACHEFLUSH_H
 /* Keep includes the same across arches.  */
 #include <linux/mm.h>
@@ -112,4 +112,4 @@ static inline int rodata_test(void)
 }
 #endif
-#endif
+#endif /* ASM_X86__CACHEFLUSH_H */
diff --git a/include/asm-x86/calgary.h b/include/asm-x86/calgary.h
index 67f60406e2d8..933fd272f826 100644
--- a/include/asm-x86/calgary.h
+++ b/include/asm-x86/calgary.h
@@ -21,8 +21,8 @@
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */
-#ifndef _ASM_X86_64_CALGARY_H
+#ifndef ASM_X86__CALGARY_H
-#define _ASM_X86_64_CALGARY_H
+#define ASM_X86__CALGARY_H
 #include <linux/spinlock.h>
 #include <linux/device.h>
@@ -69,4 +69,4 @@ static inline int calgary_iommu_init(void) { return 1; }
 static inline void detect_calgary(void) { return; }
 #endif
-#endif /* _ASM_X86_64_CALGARY_H */
+#endif /* ASM_X86__CALGARY_H */
diff --git a/include/asm-x86/checksum_32.h b/include/asm-x86/checksum_32.h
index 52bbb0d8c4c1..d041e8cda227 100644
--- a/include/asm-x86/checksum_32.h
+++ b/include/asm-x86/checksum_32.h
@@ -1,5 +1,5 @@
-#ifndef _I386_CHECKSUM_H
+#ifndef ASM_X86__CHECKSUM_32_H
-#define _I386_CHECKSUM_H
+#define ASM_X86__CHECKSUM_32_H
 #include <linux/in6.h>
@@ -186,4 +186,4 @@ static inline __wsum csum_and_copy_to_user(const void *src,
        return (__force __wsum)-1; /* invalid checksum */
 }
-#endif
+#endif /* ASM_X86__CHECKSUM_32_H */
diff --git a/include/asm-x86/checksum_64.h b/include/asm-x86/checksum_64.h
index 8bd861cc5267..110f403beb89 100644
--- a/include/asm-x86/checksum_64.h
+++ b/include/asm-x86/checksum_64.h
@@ -1,5 +1,5 @@
-#ifndef _X86_64_CHECKSUM_H
+#ifndef ASM_X86__CHECKSUM_64_H
-#define _X86_64_CHECKSUM_H
+#define ASM_X86__CHECKSUM_64_H
 /*
 * Checksums for x86-64
@@ -188,4 +188,4 @@ static inline unsigned add32_with_carry(unsigned a, unsigned b)
        return a;
 }
-#endif
+#endif /* ASM_X86__CHECKSUM_64_H */
diff --git a/include/asm-x86/cmpxchg_32.h b/include/asm-x86/cmpxchg_32.h
index bf5a69d1329e..0622e45cdf7c 100644
--- a/include/asm-x86/cmpxchg_32.h
+++ b/include/asm-x86/cmpxchg_32.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_CMPXCHG_H
+#ifndef ASM_X86__CMPXCHG_32_H
-#define __ASM_CMPXCHG_H
+#define ASM_X86__CMPXCHG_32_H
 #include <linux/bitops.h> /* for LOCK_PREFIX */
@@ -341,4 +341,4 @@ extern unsigned long long cmpxchg_486_u64(volatile void *, u64, u64);
 #endif
-#endif
+#endif /* ASM_X86__CMPXCHG_32_H */
diff --git a/include/asm-x86/cmpxchg_64.h b/include/asm-x86/cmpxchg_64.h
index 17463ccf8166..63c1a5e61b99 100644
--- a/include/asm-x86/cmpxchg_64.h
+++ b/include/asm-x86/cmpxchg_64.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_CMPXCHG_H
+#ifndef ASM_X86__CMPXCHG_64_H
-#define __ASM_CMPXCHG_H
+#define ASM_X86__CMPXCHG_64_H
 #include <asm/alternative.h> /* Provides LOCK_PREFIX */
@@ -182,4 +182,4 @@ static inline unsigned long __cmpxchg_local(volatile void *ptr,
        cmpxchg_local((ptr), (o), (n));                                 \
 })
-#endif
+#endif /* ASM_X86__CMPXCHG_64_H */
diff --git a/include/asm-x86/compat.h b/include/asm-x86/compat.h
index 1793ac317a30..6732b150949e 100644
--- a/include/asm-x86/compat.h
+++ b/include/asm-x86/compat.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_64_COMPAT_H
+#ifndef ASM_X86__COMPAT_H
-#define _ASM_X86_64_COMPAT_H
+#define ASM_X86__COMPAT_H
 /*
 * Architecture specific compatibility types
@@ -215,4 +215,4 @@ static inline int is_compat_task(void)
        return current_thread_info()->status & TS_COMPAT;
 }
-#endif /* _ASM_X86_64_COMPAT_H */
+#endif /* ASM_X86__COMPAT_H */
diff --git a/include/asm-x86/cpu.h b/include/asm-x86/cpu.h
index 73f2ea84fd74..83a115083f0d 100644
--- a/include/asm-x86/cpu.h
+++ b/include/asm-x86/cpu.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_I386_CPU_H_
+#ifndef ASM_X86__CPU_H
-#define _ASM_I386_CPU_H_
+#define ASM_X86__CPU_H
 #include <linux/device.h>
 #include <linux/cpu.h>
@@ -17,4 +17,4 @@ extern void arch_unregister_cpu(int);
 #endif
 DECLARE_PER_CPU(int, cpu_state);
-#endif /* _ASM_I386_CPU_H_ */
+#endif /* ASM_X86__CPU_H */
diff --git a/include/asm-x86/cpufeature.h b/include/asm-x86/cpufeature.h
index cfcfb0a806ba..250fa0cb144b 100644
--- a/include/asm-x86/cpufeature.h
+++ b/include/asm-x86/cpufeature.h
@@ -1,8 +1,8 @@
 /*
 * Defines x86 CPU feature bits
 */
-#ifndef _ASM_X86_CPUFEATURE_H
+#ifndef ASM_X86__CPUFEATURE_H
-#define _ASM_X86_CPUFEATURE_H
+#define ASM_X86__CPUFEATURE_H
 #include <asm/required-features.h>
@@ -224,4 +224,4 @@ extern const char * const x86_power_flags[32];
 #endif /* defined(__KERNEL__) && !defined(__ASSEMBLY__) */
-#endif /* _ASM_X86_CPUFEATURE_H */
+#endif /* ASM_X86__CPUFEATURE_H */
diff --git a/include/asm-x86/current.h b/include/asm-x86/current.h
index 7515c19d4988..a863ead856f3 100644
--- a/include/asm-x86/current.h
+++ b/include/asm-x86/current.h
@@ -1,5 +1,5 @@
-#ifndef _X86_CURRENT_H
+#ifndef ASM_X86__CURRENT_H
-#define _X86_CURRENT_H
+#define ASM_X86__CURRENT_H
 #ifdef CONFIG_X86_32
 #include <linux/compiler.h>
@@ -36,4 +36,4 @@ static __always_inline struct task_struct *get_current(void)
 #define current get_current()
-#endif /* X86_CURRENT_H */
+#endif /* ASM_X86__CURRENT_H */
diff --git a/include/asm-x86/debugreg.h b/include/asm-x86/debugreg.h
index c6344d572b03..ecb6907c3ea4 100644
--- a/include/asm-x86/debugreg.h
+++ b/include/asm-x86/debugreg.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_DEBUGREG_H
+#ifndef ASM_X86__DEBUGREG_H
-#define _ASM_X86_DEBUGREG_H
+#define ASM_X86__DEBUGREG_H
 /* Indicate the register numbers for a number of the specific
@@ -67,4 +67,4 @@
 #define DR_LOCAL_SLOWDOWN (0x100)   /* Local slow the pipeline */
 #define DR_GLOBAL_SLOWDOWN (0x200)  /* Global slow the pipeline */
-#endif
+#endif /* ASM_X86__DEBUGREG_H */
diff --git a/include/asm-x86/delay.h b/include/asm-x86/delay.h
index 409a649204aa..8a0da95b4fc5 100644
--- a/include/asm-x86/delay.h
+++ b/include/asm-x86/delay.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_DELAY_H
+#ifndef ASM_X86__DELAY_H
-#define _ASM_X86_DELAY_H
+#define ASM_X86__DELAY_H
 /*
 * Copyright (C) 1993 Linus Torvalds
@@ -28,4 +28,4 @@ extern void __delay(unsigned long loops);
 void use_tsc_delay(void);
-#endif /* _ASM_X86_DELAY_H */
+#endif /* ASM_X86__DELAY_H */
diff --git a/include/asm-x86/desc.h b/include/asm-x86/desc.h
index a44c4dc70590..b73fea54def2 100644
--- a/include/asm-x86/desc.h
+++ b/include/asm-x86/desc.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_DESC_H_
+#ifndef ASM_X86__DESC_H
-#define _ASM_DESC_H_
+#define ASM_X86__DESC_H
 #ifndef __ASSEMBLY__
 #include <asm/desc_defs.h>
@@ -397,4 +397,4 @@ static inline void set_system_gate_ist(int n, void *addr, unsigned ist)
 #endif /* __ASSEMBLY__ */
-#endif
+#endif /* ASM_X86__DESC_H */
diff --git a/include/asm-x86/desc_defs.h b/include/asm-x86/desc_defs.h
index f7bacf357dac..b881db664b46 100644
--- a/include/asm-x86/desc_defs.h
+++ b/include/asm-x86/desc_defs.h
@@ -1,6 +1,6 @@
 /* Written 2000 by Andi Kleen */
-#ifndef __ARCH_DESC_DEFS_H
+#ifndef ASM_X86__DESC_DEFS_H
-#define __ARCH_DESC_DEFS_H
+#define ASM_X86__DESC_DEFS_H
 /*
 * Segment descriptor structure definitions, usable from both x86_64 and i386
@@ -92,4 +92,4 @@ struct desc_ptr {
 #endif /* !__ASSEMBLY__ */
-#endif
+#endif /* ASM_X86__DESC_DEFS_H */
diff --git a/include/asm-x86/device.h b/include/asm-x86/device.h
index 3c034f48fdb0..1bece04c7d9d 100644
--- a/include/asm-x86/device.h
+++ b/include/asm-x86/device.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_DEVICE_H
+#ifndef ASM_X86__DEVICE_H
-#define _ASM_X86_DEVICE_H
+#define ASM_X86__DEVICE_H
 struct dev_archdata {
 #ifdef CONFIG_ACPI
@@ -13,4 +13,4 @@ struct dma_mapping_ops *dma_ops;
 #endif
 };
-#endif /* _ASM_X86_DEVICE_H */
+#endif /* ASM_X86__DEVICE_H */
diff --git a/include/asm-x86/div64.h b/include/asm-x86/div64.h
index 9a2d644c08ef..f9530f23f1d6 100644
--- a/include/asm-x86/div64.h
+++ b/include/asm-x86/div64.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_DIV64_H
+#ifndef ASM_X86__DIV64_H
-#define _ASM_X86_DIV64_H
+#define ASM_X86__DIV64_H
 #ifdef CONFIG_X86_32
@@ -57,4 +57,4 @@ static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
 # include <asm-generic/div64.h>
 #endif /* CONFIG_X86_32 */
-#endif /* _ASM_X86_DIV64_H */
+#endif /* ASM_X86__DIV64_H */
diff --git a/include/asm-x86/dma-mapping.h b/include/asm-x86/dma-mapping.h
index ad9cd6d49bfc..5d200e78bd81 100644
--- a/include/asm-x86/dma-mapping.h
+++ b/include/asm-x86/dma-mapping.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_DMA_MAPPING_H_
+#ifndef ASM_X86__DMA_MAPPING_H
-#define _ASM_DMA_MAPPING_H_
+#define ASM_X86__DMA_MAPPING_H
 /*
 * IOMMU interface. See Documentation/DMA-mapping.txt and DMA-API.txt for
@@ -250,4 +250,4 @@ static inline int dma_get_cache_alignment(void)
 #define dma_is_consistent(d, h) (1)
 #include <asm-generic/dma-coherent.h>
-#endif
+#endif /* ASM_X86__DMA_MAPPING_H */
diff --git a/include/asm-x86/dma.h b/include/asm-x86/dma.h
index ca1098a7e580..c9f7a4eec555 100644
--- a/include/asm-x86/dma.h
+++ b/include/asm-x86/dma.h
@@ -5,8 +5,8 @@
 * and John Boyd, Nov. 1992.
 */
-#ifndef _ASM_X86_DMA_H
+#ifndef ASM_X86__DMA_H
-#define _ASM_X86_DMA_H
+#define ASM_X86__DMA_H
 #include <linux/spinlock.h>     /* And spinlocks */
 #include <asm/io.h>             /* need byte IO */
@@ -315,4 +315,4 @@ extern int isa_dma_bridge_buggy;
 #define isa_dma_bridge_buggy    (0)
 #endif
-#endif /* _ASM_X86_DMA_H */
+#endif /* ASM_X86__DMA_H */
diff --git a/include/asm-x86/dmi.h b/include/asm-x86/dmi.h
index 58a86571fe0f..1cff6fe81fa5 100644
--- a/include/asm-x86/dmi.h
+++ b/include/asm-x86/dmi.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_DMI_H
+#ifndef ASM_X86__DMI_H
-#define _ASM_X86_DMI_H
+#define ASM_X86__DMI_H
 #include <asm/io.h>
@@ -23,4 +23,4 @@ static inline void *dmi_alloc(unsigned len)
 #define dmi_ioremap early_ioremap
 #define dmi_iounmap early_iounmap
-#endif
+#endif /* ASM_X86__DMI_H */
diff --git a/include/asm-x86/ds.h b/include/asm-x86/ds.h
index 7881368142fa..c3c953a45b21 100644
--- a/include/asm-x86/ds.h
+++ b/include/asm-x86/ds.h
@@ -2,71 +2,237 @@
 * Debug Store (DS) support
 *
 * This provides a low-level interface to the hardware's Debug Store
- * feature that is used for last branch recording (LBR) and
+ * feature that is used for branch trace store (BTS) and
 * precise-event based sampling (PEBS).
 *
- * Different architectures use a different DS layout/pointer size.
+ * It manages:
- * The below functions therefore work on a void*.
+ * - per-thread and per-cpu allocation of BTS and PEBS
+ * - buffer memory allocation (optional)
+ * - buffer overflow handling
+ * - buffer access
 *
+ * It assumes:
+ * - get_task_struct on all parameter tasks
+ * - current is allowed to trace parameter tasks
 *
- * Since there is no user for PEBS, yet, only LBR (or branch
- * trace store, BTS) is supported.
 *
- *
+ * Copyright (C) 2007-2008 Intel Corporation.
- * Copyright (C) 2007 Intel Corporation.
+ * Markus Metzger <markus.t.metzger@intel.com>, 2007-2008
- * Markus Metzger <markus.t.metzger@intel.com>, Dec 2007
 */
-#ifndef _ASM_X86_DS_H
+#ifndef ASM_X86__DS_H
-#define _ASM_X86_DS_H
+#define ASM_X86__DS_H
+#ifdef CONFIG_X86_DS
 #include <linux/types.h>
 #include <linux/init.h>
-struct cpuinfo_x86;
+struct task_struct;
-/* a branch trace record entry
+/*
+ * Request BTS or PEBS
+ *
+ * Due to alignement constraints, the actual buffer may be slightly
+ * smaller than the requested or provided buffer.
 *
- * In order to unify the interface between various processor versions,
+ * Returns 0 on success; -Eerrno otherwise
- * we use the below data structure for all processors.
+ *
+ * task: the task to request recording for;
+ *       NULL for per-cpu recording on the current cpu
+ * base: the base pointer for the (non-pageable) buffer;
+ *       NULL if buffer allocation requested
+ * size: the size of the requested or provided buffer
+ * ovfl: pointer to a function to be called on buffer overflow;
+ *       NULL if cyclic buffer requested
 */
-enum bts_qualifier {
+typedef void (*ds_ovfl_callback_t)(struct task_struct *);
-        BTS_INVALID = 0,
+extern int ds_request_bts(struct task_struct *task, void *base, size_t size,
-        BTS_BRANCH,
+                          ds_ovfl_callback_t ovfl);
-        BTS_TASK_ARRIVES,
+extern int ds_request_pebs(struct task_struct *task, void *base, size_t size,
-        BTS_TASK_DEPARTS
+                           ds_ovfl_callback_t ovfl);
-};
-struct bts_struct {
+/*
-        u64 qualifier;
+ * Release BTS or PEBS resources
-        union {
+ *
-                /* BTS_BRANCH */
+ * Frees buffers allocated on ds_request.
-                struct {
+ *
-                        u64 from_ip;
+ * Returns 0 on success; -Eerrno otherwise
-                        u64 to_ip;
+ *
-                } lbr;
+ * task: the task to release resources for;
-                /* BTS_TASK_ARRIVES or
+ *       NULL to release resources for the current cpu
-                   BTS_TASK_DEPARTS */
+ */
-                u64 jiffies;
+extern int ds_release_bts(struct task_struct *task);
-        } variant;
+extern int ds_release_pebs(struct task_struct *task);
+/*
+ * Return the (array) index of the write pointer.
+ * (assuming an array of BTS/PEBS records)
+ *
+ * Returns -Eerrno on error
+ *
+ * task: the task to access;
+ *       NULL to access the current cpu
+ * pos (out): if not NULL, will hold the result
+ */
+extern int ds_get_bts_index(struct task_struct *task, size_t *pos);
+extern int ds_get_pebs_index(struct task_struct *task, size_t *pos);
+/*
+ * Return the (array) index one record beyond the end of the array.
+ * (assuming an array of BTS/PEBS records)
+ *
+ * Returns -Eerrno on error
+ *
+ * task: the task to access;
+ *       NULL to access the current cpu
+ * pos (out): if not NULL, will hold the result
+ */
+extern int ds_get_bts_end(struct task_struct *task, size_t *pos);
+extern int ds_get_pebs_end(struct task_struct *task, size_t *pos);
+/*
+ * Provide a pointer to the BTS/PEBS record at parameter index.
+ * (assuming an array of BTS/PEBS records)
+ *
+ * The pointer points directly into the buffer. The user is
+ * responsible for copying the record.
+ *
+ * Returns the size of a single record on success; -Eerrno on error
+ *
+ * task: the task to access;
+ *       NULL to access the current cpu
+ * index: the index of the requested record
+ * record (out): pointer to the requested record
+ */
+extern int ds_access_bts(struct task_struct *task,
+                         size_t index, const void **record);
+extern int ds_access_pebs(struct task_struct *task,
+                          size_t index, const void **record);
+/*
+ * Write one or more BTS/PEBS records at the write pointer index and
+ * advance the write pointer.
+ *
+ * If size is not a multiple of the record size, trailing bytes are
+ * zeroed out.
+ *
+ * May result in one or more overflow notifications.
+ *
+ * If called during overflow handling, that is, with index >=
+ * interrupt threshold, the write will wrap around.
+ *
+ * An overflow notification is given if and when the interrupt
+ * threshold is reached during or after the write.
+ *
+ * Returns the number of bytes written or -Eerrno.
+ *
+ * task: the task to access;
+ *       NULL to access the current cpu
+ * buffer: the buffer to write
+ * size: the size of the buffer
+ */
+extern int ds_write_bts(struct task_struct *task,
+                        const void *buffer, size_t size);
+extern int ds_write_pebs(struct task_struct *task,
+                         const void *buffer, size_t size);
+/*
+ * Same as ds_write_bts/pebs, but omit ownership checks.
+ *
+ * This is needed to have some other task than the owner of the
+ * BTS/PEBS buffer or the parameter task itself write into the
+ * respective buffer.
+ */
+extern int ds_unchecked_write_bts(struct task_struct *task,
+                                  const void *buffer, size_t size);
+extern int ds_unchecked_write_pebs(struct task_struct *task,
+                                   const void *buffer, size_t size);
+/*
+ * Reset the write pointer of the BTS/PEBS buffer.
+ *
+ * Returns 0 on success; -Eerrno on error
+ *
+ * task: the task to access;
+ *       NULL to access the current cpu
+ */
+extern int ds_reset_bts(struct task_struct *task);
+extern int ds_reset_pebs(struct task_struct *task);
+/*
+ * Clear the BTS/PEBS buffer and reset the write pointer.
+ * The entire buffer will be zeroed out.
+ *
+ * Returns 0 on success; -Eerrno on error
+ *
+ * task: the task to access;
+ *       NULL to access the current cpu
+ */
+extern int ds_clear_bts(struct task_struct *task);
+extern int ds_clear_pebs(struct task_struct *task);
+/*
+ * Provide the PEBS counter reset value.
+ *
+ * Returns 0 on success; -Eerrno on error
+ *
+ * task: the task to access;
+ *       NULL to access the current cpu
+ * value (out): the counter reset value
+ */
+extern int ds_get_pebs_reset(struct task_struct *task, u64 *value);
+/*
+ * Set the PEBS counter reset value.
+ *
+ * Returns 0 on success; -Eerrno on error
+ *
+ * task: the task to access;
+ *       NULL to access the current cpu
+ * value: the new counter reset value
+ */
+extern int ds_set_pebs_reset(struct task_struct *task, u64 value);
+/*
+ * Initialization
+ */
+struct cpuinfo_x86;
+extern void __cpuinit ds_init_intel(struct cpuinfo_x86 *);
+/*
+ * The DS context - part of struct thread_struct.
+ */
+struct ds_context {
+        /* pointer to the DS configuration; goes into MSR_IA32_DS_AREA */
+        unsigned char *ds;
+        /* the owner of the BTS and PEBS configuration, respectively */
+        struct task_struct *owner[2];
+        /* buffer overflow notification function for BTS and PEBS */
+        ds_ovfl_callback_t callback[2];
+        /* the original buffer address */
+        void *buffer[2];
+        /* the number of allocated pages for on-request allocated buffers */
+        unsigned int pages[2];
+        /* use count */
+        unsigned long count;
+        /* a pointer to the context location inside the thread_struct
+         * or the per_cpu context array */
+        struct ds_context **this;
+        /* a pointer to the task owning this context, or NULL, if the
+         * context is owned by a cpu */
+        struct task_struct *task;
 };
-/* Overflow handling mechanisms */
+/* called by exit_thread() to free leftover contexts */
-#define DS_O_SIGNAL     1 /* send overflow signal */
+extern void ds_free(struct ds_context *context);
-#define DS_O_WRAP       2 /* wrap around */
+#else /* CONFIG_X86_DS */
-extern int ds_allocate(void **, size_t);
-extern int ds_free(void **);
+#define ds_init_intel(config) do {} while (0)
-extern int ds_get_bts_size(void *);
-extern int ds_get_bts_end(void *);
+#endif /* CONFIG_X86_DS */
-extern int ds_get_bts_index(void *);
+#endif /* ASM_X86__DS_H */
-extern int ds_set_overflow(void *, int);
-extern int ds_get_overflow(void *);
-extern int ds_clear(void *);
-extern int ds_read_bts(void *, int, struct bts_struct *);
-extern int ds_write_bts(void *, const struct bts_struct *);
-extern unsigned long ds_debugctl_mask(void);
-extern void __cpuinit ds_init_intel(struct cpuinfo_x86 *c);
-#endif /* _ASM_X86_DS_H */
diff --git a/include/asm-x86/dwarf2.h b/include/asm-x86/dwarf2.h
index 738bb9fb3e53..21d1bc32ad7c 100644
--- a/include/asm-x86/dwarf2.h
+++ b/include/asm-x86/dwarf2.h
@@ -1,5 +1,5 @@
-#ifndef _DWARF2_H
+#ifndef ASM_X86__DWARF2_H
-#define _DWARF2_H
+#define ASM_X86__DWARF2_H
 #ifndef __ASSEMBLY__
 #warning "asm/dwarf2.h should be only included in pure assembly files"
@@ -58,4 +58,4 @@
 #endif
-#endif
+#endif /* ASM_X86__DWARF2_H */
diff --git a/include/asm-x86/e820.h b/include/asm-x86/e820.h
index 16a31e2c7c57..f52daf176bcb 100644
--- a/include/asm-x86/e820.h
+++ b/include/asm-x86/e820.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_E820_H
+#ifndef ASM_X86__E820_H
-#define __ASM_E820_H
+#define ASM_X86__E820_H
 #define E820MAP 0x2d0           /* our map */
 #define E820MAX 128             /* number of entries in E820MAP */
@@ -64,6 +64,7 @@ struct e820map {
 extern struct e820map e820;
 extern struct e820map e820_saved;
+extern unsigned long pci_mem_start;
 extern int e820_any_mapped(u64 start, u64 end, unsigned type);
 extern int e820_all_mapped(u64 start, u64 end, unsigned type);
 extern void e820_add_region(u64 start, u64 size, int type);
@@ -140,4 +141,4 @@ extern char *memory_setup(void);
 #define HIGH_MEMORY     (1024*1024)
 #endif /* __KERNEL__ */
-#endif  /* __ASM_E820_H */
+#endif /* ASM_X86__E820_H */
diff --git a/include/asm-x86/edac.h b/include/asm-x86/edac.h
index a8088f63a30e..9493c5b27bbd 100644
--- a/include/asm-x86/edac.h
+++ b/include/asm-x86/edac.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_EDAC_H
+#ifndef ASM_X86__EDAC_H
-#define _ASM_X86_EDAC_H
+#define ASM_X86__EDAC_H
 /* ECC atomic, DMA, SMP and interrupt safe scrub function */
@@ -15,4 +15,4 @@ static inline void atomic_scrub(void *va, u32 size)
                asm volatile("lock; addl $0, %0"::"m" (*virt_addr));
 }
-#endif
+#endif /* ASM_X86__EDAC_H */
diff --git a/include/asm-x86/efi.h b/include/asm-x86/efi.h
index d4f2b0abe929..ed2de22e8705 100644
--- a/include/asm-x86/efi.h
+++ b/include/asm-x86/efi.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_EFI_H
+#ifndef ASM_X86__EFI_H
-#define _ASM_X86_EFI_H
+#define ASM_X86__EFI_H
 #ifdef CONFIG_X86_32
@@ -94,4 +94,4 @@ extern void efi_reserve_early(void);
 extern void efi_call_phys_prelog(void);
 extern void efi_call_phys_epilog(void);
-#endif
+#endif /* ASM_X86__EFI_H */
diff --git a/include/asm-x86/elf.h b/include/asm-x86/elf.h
index 7be4733c793e..5c4745bec906 100644
--- a/include/asm-x86/elf.h
+++ b/include/asm-x86/elf.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_ELF_H
+#ifndef ASM_X86__ELF_H
-#define _ASM_X86_ELF_H
+#define ASM_X86__ELF_H
 /*
 * ELF register definitions..
@@ -148,8 +148,9 @@ do {						\
 static inline void start_ia32_thread(struct pt_regs *regs, u32 ip, u32 sp)
 {
-        asm volatile("movl %0,%%fs" :: "r" (0));
+        loadsegment(fs, 0);
-        asm volatile("movl %0,%%es; movl %0,%%ds" : : "r" (__USER32_DS));
+        loadsegment(ds, __USER32_DS);
+        loadsegment(es, __USER32_DS);
        load_gs_index(0);
        regs->ip = ip;
        regs->sp = sp;
@@ -332,4 +333,4 @@ extern int syscall32_setup_pages(struct linux_binprm *, int exstack);
 extern unsigned long arch_randomize_brk(struct mm_struct *mm);
 #define arch_randomize_brk arch_randomize_brk
-#endif
+#endif /* ASM_X86__ELF_H */
diff --git a/include/asm-x86/emergency-restart.h b/include/asm-x86/emergency-restart.h
index 8e6aef19f8f0..190d0d8b71e3 100644
--- a/include/asm-x86/emergency-restart.h
+++ b/include/asm-x86/emergency-restart.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_EMERGENCY_RESTART_H
+#ifndef ASM_X86__EMERGENCY_RESTART_H
-#define _ASM_EMERGENCY_RESTART_H
+#define ASM_X86__EMERGENCY_RESTART_H
 enum reboot_type {
        BOOT_TRIPLE = 't',
@@ -15,4 +15,4 @@ extern enum reboot_type reboot_type;
 extern void machine_emergency_restart(void);
-#endif /* _ASM_EMERGENCY_RESTART_H */
+#endif /* ASM_X86__EMERGENCY_RESTART_H */
diff --git a/include/asm-x86/fb.h b/include/asm-x86/fb.h
index 53018464aea6..aca38dbd9a64 100644
--- a/include/asm-x86/fb.h
+++ b/include/asm-x86/fb.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_FB_H
+#ifndef ASM_X86__FB_H
-#define _ASM_X86_FB_H
+#define ASM_X86__FB_H
 #include <linux/fb.h>
 #include <linux/fs.h>
@@ -18,4 +18,4 @@ extern int fb_is_primary_device(struct fb_info *info);
 static inline int fb_is_primary_device(struct fb_info *info) { return 0; }
 #endif
-#endif /* _ASM_X86_FB_H */
+#endif /* ASM_X86__FB_H */
diff --git a/include/asm-x86/fixmap.h b/include/asm-x86/fixmap.h
index 44d4f8217349..78e33a1bc591 100644
--- a/include/asm-x86/fixmap.h
+++ b/include/asm-x86/fixmap.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_FIXMAP_H
+#ifndef ASM_X86__FIXMAP_H
-#define _ASM_FIXMAP_H
+#define ASM_X86__FIXMAP_H
 #ifdef CONFIG_X86_32
 # include "fixmap_32.h"
@@ -65,4 +65,4 @@ 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
+#endif /* ASM_X86__FIXMAP_H */
diff --git a/include/asm-x86/fixmap_32.h b/include/asm-x86/fixmap_32.h
index f1ac2b2167d7..784e3e759866 100644
--- a/include/asm-x86/fixmap_32.h
+++ b/include/asm-x86/fixmap_32.h
@@ -10,8 +10,8 @@
 * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999
 */
-#ifndef _ASM_FIXMAP_32_H
+#ifndef ASM_X86__FIXMAP_32_H
-#define _ASM_FIXMAP_32_H
+#define ASM_X86__FIXMAP_32_H
 /* used by vmalloc.c, vsyscall.lds.S.
@@ -120,4 +120,4 @@ extern void reserve_top_address(unsigned long reserve);
 #define FIXADDR_BOOT_START      (FIXADDR_TOP - __FIXADDR_BOOT_SIZE)
 #endif /* !__ASSEMBLY__ */
-#endif
+#endif /* ASM_X86__FIXMAP_32_H */
diff --git a/include/asm-x86/fixmap_64.h b/include/asm-x86/fixmap_64.h
index 00f3d74a0524..dafb24bc0424 100644
--- a/include/asm-x86/fixmap_64.h
+++ b/include/asm-x86/fixmap_64.h
@@ -8,8 +8,8 @@
 * Copyright (C) 1998 Ingo Molnar
 */
-#ifndef _ASM_FIXMAP_64_H
+#ifndef ASM_X86__FIXMAP_64_H
-#define _ASM_FIXMAP_64_H
+#define ASM_X86__FIXMAP_64_H
 #include <linux/kernel.h>
 #include <asm/acpi.h>
@@ -80,4 +80,4 @@ enum fixed_addresses {
 #define FIXADDR_USER_START      ((unsigned long)VSYSCALL32_VSYSCALL)
 #define FIXADDR_USER_END        (FIXADDR_USER_START + PAGE_SIZE)
-#endif
+#endif /* ASM_X86__FIXMAP_64_H */
diff --git a/include/asm-x86/floppy.h b/include/asm-x86/floppy.h
index dbe82a5c5eac..7d83a3a83e37 100644
--- a/include/asm-x86/floppy.h
+++ b/include/asm-x86/floppy.h
@@ -7,8 +7,8 @@
 *
 * Copyright (C) 1995
 */
-#ifndef _ASM_X86_FLOPPY_H
+#ifndef ASM_X86__FLOPPY_H
-#define _ASM_X86_FLOPPY_H
+#define ASM_X86__FLOPPY_H
 #include <linux/vmalloc.h>
@@ -278,4 +278,4 @@ static int FDC2 = -1;
 #define EXTRA_FLOPPY_PARAMS
-#endif /* _ASM_X86_FLOPPY_H */
+#endif /* ASM_X86__FLOPPY_H */
diff --git a/include/asm-x86/ftrace.h b/include/asm-x86/ftrace.h
index 5c68b32ee1c8..be0e004ad148 100644
--- a/include/asm-x86/ftrace.h
+++ b/include/asm-x86/ftrace.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_FTRACE
+#ifndef ASM_X86__FTRACE_H
-#define _ASM_X86_FTRACE
+#define ASM_X86__FTRACE_H
 #ifdef CONFIG_FTRACE
 #define MCOUNT_ADDR             ((long)(mcount))
@@ -11,4 +11,4 @@ extern void mcount(void);
 #endif /* CONFIG_FTRACE */
-#endif /* _ASM_X86_FTRACE */
+#endif /* ASM_X86__FTRACE_H */
diff --git a/include/asm-x86/futex.h b/include/asm-x86/futex.h
index e7a76b37b333..06b924ef6fa5 100644
--- a/include/asm-x86/futex.h
+++ b/include/asm-x86/futex.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_FUTEX_H
+#ifndef ASM_X86__FUTEX_H
-#define _ASM_X86_FUTEX_H
+#define ASM_X86__FUTEX_H
 #ifdef __KERNEL__
@@ -25,7 +25,7 @@
        asm volatile("1:\tmovl  %2, %0\n"                       \
                     "\tmovl\t%0, %3\n"                         \
                     "\t" insn "\n"                             \
-                     "2:\tlock; cmpxchgl %3, %2\n"              \
+                     "2:\t" LOCK_PREFIX "cmpxchgl %3, %2\n"     \
                     "\tjnz\t1b\n"                              \
                     "3:\t.section .fixup,\"ax\"\n"             \
                     "4:\tmov\t%5, %1\n"                        \
@@ -64,7 +64,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
                __futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg);
                break;
        case FUTEX_OP_ADD:
-                __futex_atomic_op1("lock; xaddl %0, %2", ret, oldval,
+                __futex_atomic_op1(LOCK_PREFIX "xaddl %0, %2", ret, oldval,
                                   uaddr, oparg);
                break;
        case FUTEX_OP_OR:
@@ -122,7 +122,7 @@ static inline int futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval,
        if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
                return -EFAULT;
-        asm volatile("1:\tlock; cmpxchgl %3, %1\n"
+        asm volatile("1:\t" LOCK_PREFIX "cmpxchgl %3, %1\n"
                     "2:\t.section .fixup, \"ax\"\n"
                     "3:\tmov     %2, %0\n"
                     "\tjmp     2b\n"
@@ -137,4 +137,4 @@ static inline int futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval,
 }
 #endif
-#endif
+#endif /* ASM_X86__FUTEX_H */
diff --git a/include/asm-x86/gart.h b/include/asm-x86/gart.h
index 3f62a83887f3..baa54faba892 100644
--- a/include/asm-x86/gart.h
+++ b/include/asm-x86/gart.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X8664_GART_H
+#ifndef ASM_X86__GART_H
-#define _ASM_X8664_GART_H 1
+#define ASM_X86__GART_H
 #include <asm/e820.h>
@@ -52,15 +52,15 @@ static inline int aperture_valid(u64 aper_base, u32 aper_size, u32 min_size)
                return 0;
        if (aper_base + aper_size > 0x100000000ULL) {
-                printk(KERN_ERR "Aperture beyond 4GB. Ignoring.\n");
+                printk(KERN_INFO "Aperture beyond 4GB. Ignoring.\n");
                return 0;
        }
        if (e820_any_mapped(aper_base, aper_base + aper_size, E820_RAM)) {
-                printk(KERN_ERR "Aperture pointing to e820 RAM. Ignoring.\n");
+                printk(KERN_INFO "Aperture pointing to e820 RAM. Ignoring.\n");
                return 0;
        }
        if (aper_size < min_size) {
-                printk(KERN_ERR "Aperture too small (%d MB) than (%d MB)\n",
+                printk(KERN_INFO "Aperture too small (%d MB) than (%d MB)\n",
                                 aper_size>>20, min_size>>20);
                return 0;
        }
@@ -68,4 +68,4 @@ static inline int aperture_valid(u64 aper_base, u32 aper_size, u32 min_size)
        return 1;
 }
-#endif
+#endif /* ASM_X86__GART_H */
diff --git a/include/asm-x86/genapic_32.h b/include/asm-x86/genapic_32.h
index 754d635f90ff..34280f027664 100644
--- a/include/asm-x86/genapic_32.h
+++ b/include/asm-x86/genapic_32.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_GENAPIC_H
+#ifndef ASM_X86__GENAPIC_32_H
-#define _ASM_GENAPIC_H 1
+#define ASM_X86__GENAPIC_32_H
 #include <asm/mpspec.h>
@@ -121,4 +121,4 @@ enum uv_system_type {UV_NONE, UV_LEGACY_APIC, UV_X2APIC, UV_NON_UNIQUE_APIC};
 #define uv_system_init()                do {} while (0)
-#endif
+#endif /* ASM_X86__GENAPIC_32_H */
diff --git a/include/asm-x86/genapic_64.h b/include/asm-x86/genapic_64.h
index a47d63129135..25097a8cc5ef 100644
--- a/include/asm-x86/genapic_64.h
+++ b/include/asm-x86/genapic_64.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_GENAPIC_H
+#ifndef ASM_X86__GENAPIC_64_H
-#define _ASM_GENAPIC_H 1
+#define ASM_X86__GENAPIC_64_H
 /*
 * Copyright 2004 James Cleverdon, IBM.
@@ -47,4 +47,4 @@ extern int uv_wakeup_secondary(int phys_apicid, unsigned int start_rip);
 extern void setup_apic_routing(void);
-#endif
+#endif /* ASM_X86__GENAPIC_64_H */
diff --git a/include/asm-x86/geode.h b/include/asm-x86/geode.h
index 2c1cda0b8a86..3f3444be2638 100644
--- a/include/asm-x86/geode.h
+++ b/include/asm-x86/geode.h
@@ -7,8 +7,8 @@
 * as published by the Free Software Foundation.
 */
-#ifndef _ASM_GEODE_H_
+#ifndef ASM_X86__GEODE_H
-#define _ASM_GEODE_H_
+#define ASM_X86__GEODE_H
 #include <asm/processor.h>
 #include <linux/io.h>
@@ -250,4 +250,4 @@ extern int __init mfgpt_timer_setup(void);
 static inline int mfgpt_timer_setup(void) { return 0; }
 #endif
-#endif
+#endif /* ASM_X86__GEODE_H */
diff --git a/include/asm-x86/gpio.h b/include/asm-x86/gpio.h
index c4c91b37c104..497fb980d962 100644
--- a/include/asm-x86/gpio.h
+++ b/include/asm-x86/gpio.h
@@ -53,4 +53,4 @@ static inline int irq_to_gpio(unsigned int irq)
 #endif /* CONFIG_GPIOLIB */
-#endif /* _ASM_I386_GPIO_H */
+#endif /* ASM_X86__GPIO_H */
diff --git a/include/asm-x86/hardirq_32.h b/include/asm-x86/hardirq_32.h
index 4f85f0f4b563..700fe230d919 100644
--- a/include/asm-x86/hardirq_32.h
+++ b/include/asm-x86/hardirq_32.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_HARDIRQ_H
+#ifndef ASM_X86__HARDIRQ_32_H
-#define __ASM_HARDIRQ_H
+#define ASM_X86__HARDIRQ_32_H
 #include <linux/threads.h>
 #include <linux/irq.h>
@@ -25,4 +25,4 @@ DECLARE_PER_CPU(irq_cpustat_t, irq_stat);
 void ack_bad_irq(unsigned int irq);
 #include <linux/irq_cpustat.h>
-#endif /* __ASM_HARDIRQ_H */
+#endif /* ASM_X86__HARDIRQ_32_H */
diff --git a/include/asm-x86/hardirq_64.h b/include/asm-x86/hardirq_64.h
index 95d5e090ed89..f8bd2919a8ce 100644
--- a/include/asm-x86/hardirq_64.h
+++ b/include/asm-x86/hardirq_64.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_HARDIRQ_H
+#ifndef ASM_X86__HARDIRQ_64_H
-#define __ASM_HARDIRQ_H
+#define ASM_X86__HARDIRQ_64_H
 #include <linux/threads.h>
 #include <linux/irq.h>
@@ -20,4 +20,4 @@
 extern void ack_bad_irq(unsigned int irq);
-#endif /* __ASM_HARDIRQ_H */
+#endif /* ASM_X86__HARDIRQ_64_H */
diff --git a/include/asm-x86/highmem.h b/include/asm-x86/highmem.h
index 4514b16cc723..bc3f6a280316 100644
--- a/include/asm-x86/highmem.h
+++ b/include/asm-x86/highmem.h
@@ -15,8 +15,8 @@
 * Copyright (C) 1999 Ingo Molnar <mingo@redhat.com>
 */
-#ifndef _ASM_HIGHMEM_H
+#ifndef ASM_X86__HIGHMEM_H
-#define _ASM_HIGHMEM_H
+#define ASM_X86__HIGHMEM_H
 #ifdef __KERNEL__
@@ -79,4 +79,4 @@ extern void add_highpages_with_active_regions(int nid, unsigned long start_pfn,
 #endif /* __KERNEL__ */
-#endif /* _ASM_HIGHMEM_H */
+#endif /* ASM_X86__HIGHMEM_H */
diff --git a/include/asm-x86/hpet.h b/include/asm-x86/hpet.h
index 82f1ac641bd7..cbbbb6d4dd32 100644
--- a/include/asm-x86/hpet.h
+++ b/include/asm-x86/hpet.h
@@ -1,5 +1,5 @@
-#ifndef ASM_X86_HPET_H
+#ifndef ASM_X86__HPET_H
-#define ASM_X86_HPET_H
+#define ASM_X86__HPET_H
 #ifdef CONFIG_HPET_TIMER
@@ -90,4 +90,4 @@ static inline int is_hpet_enabled(void) { return 0; }
 #define hpet_readl(a) 0
 #endif
-#endif /* ASM_X86_HPET_H */
+#endif /* ASM_X86__HPET_H */
diff --git a/include/asm-x86/hugetlb.h b/include/asm-x86/hugetlb.h
index 439a9acc132d..0b7ec5dc0884 100644
--- a/include/asm-x86/hugetlb.h
+++ b/include/asm-x86/hugetlb.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_HUGETLB_H
+#ifndef ASM_X86__HUGETLB_H
-#define _ASM_X86_HUGETLB_H
+#define ASM_X86__HUGETLB_H
 #include <asm/page.h>
@@ -90,4 +90,4 @@ static inline void arch_release_hugepage(struct page *page)
 {
 }
-#endif /* _ASM_X86_HUGETLB_H */
+#endif /* ASM_X86__HUGETLB_H */
diff --git a/include/asm-x86/hw_irq.h b/include/asm-x86/hw_irq.h
index edd0b95f14d0..65997b15d56a 100644
--- a/include/asm-x86/hw_irq.h
+++ b/include/asm-x86/hw_irq.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_HW_IRQ_H
+#ifndef ASM_X86__HW_IRQ_H
-#define _ASM_HW_IRQ_H
+#define ASM_X86__HW_IRQ_H
 /*
 * (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
@@ -93,6 +93,26 @@ extern asmlinkage void qic_reschedule_interrupt(void);
 extern asmlinkage void qic_enable_irq_interrupt(void);
 extern asmlinkage void qic_call_function_interrupt(void);
+/* SMP */
+extern void smp_apic_timer_interrupt(struct pt_regs *);
+#ifdef CONFIG_X86_32
+extern void smp_spurious_interrupt(struct pt_regs *);
+extern void smp_error_interrupt(struct pt_regs *);
+#else
+extern asmlinkage void smp_spurious_interrupt(void);
+extern asmlinkage void smp_error_interrupt(void);
+#endif
+#ifdef CONFIG_X86_SMP
+extern void smp_reschedule_interrupt(struct pt_regs *);
+extern void smp_call_function_interrupt(struct pt_regs *);
+extern void smp_call_function_single_interrupt(struct pt_regs *);
+#ifdef CONFIG_X86_32
+extern void smp_invalidate_interrupt(struct pt_regs *);
+#else
+extern asmlinkage void smp_invalidate_interrupt(struct pt_regs *);
+#endif
+#endif
 #ifdef CONFIG_X86_32
 extern void (*const interrupt[NR_IRQS])(void);
 #else
@@ -112,4 +132,4 @@ static inline void __setup_vector_irq(int cpu) {}
 #endif /* !ASSEMBLY_ */
-#endif
+#endif /* ASM_X86__HW_IRQ_H */
diff --git a/include/asm-x86/hypertransport.h b/include/asm-x86/hypertransport.h
index d2bbd238b3e1..cc011a3bc1c2 100644
--- a/include/asm-x86/hypertransport.h
+++ b/include/asm-x86/hypertransport.h
@@ -1,5 +1,5 @@
-#ifndef ASM_HYPERTRANSPORT_H
+#ifndef ASM_X86__HYPERTRANSPORT_H
-#define ASM_HYPERTRANSPORT_H
+#define ASM_X86__HYPERTRANSPORT_H
 /*
 * Constants for x86 Hypertransport Interrupts.
@@ -42,4 +42,4 @@
 #define HT_IRQ_HIGH_DEST_ID(v)                                          \
        ((((v) >> 8) << HT_IRQ_HIGH_DEST_ID_SHIFT) & HT_IRQ_HIGH_DEST_ID_MASK)
-#endif /* ASM_HYPERTRANSPORT_H */
+#endif /* ASM_X86__HYPERTRANSPORT_H */
diff --git a/include/asm-x86/i387.h b/include/asm-x86/i387.h
index 56d00e31aec0..1ecdc3ed96e4 100644
--- a/include/asm-x86/i387.h
+++ b/include/asm-x86/i387.h
@@ -7,8 +7,8 @@
 * x86-64 work by Andi Kleen 2002
 */
-#ifndef _ASM_X86_I387_H
+#ifndef ASM_X86__I387_H
-#define _ASM_X86_I387_H
+#define ASM_X86__I387_H
 #include <linux/sched.h>
 #include <linux/kernel_stat.h>
@@ -25,6 +25,7 @@ extern void mxcsr_feature_mask_init(void);
 extern int init_fpu(struct task_struct *child);
 extern asmlinkage void math_state_restore(void);
 extern void init_thread_xstate(void);
+extern int dump_fpu(struct pt_regs *, struct user_i387_struct *);
 extern user_regset_active_fn fpregs_active, xfpregs_active;
 extern user_regset_get_fn fpregs_get, xfpregs_get, fpregs_soft_get;
@@ -336,4 +337,4 @@ static inline unsigned short get_fpu_mxcsr(struct task_struct *tsk)
        }
 }
-#endif  /* _ASM_X86_I387_H */
+#endif /* ASM_X86__I387_H */
diff --git a/include/asm-x86/i8253.h b/include/asm-x86/i8253.h
index b51c0487fc41..15a5b530044e 100644
--- a/include/asm-x86/i8253.h
+++ b/include/asm-x86/i8253.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_I8253_H__
+#ifndef ASM_X86__I8253_H
-#define __ASM_I8253_H__
+#define ASM_X86__I8253_H
 /* i8253A PIT registers */
 #define PIT_MODE                0x43
@@ -15,4 +15,4 @@ extern void setup_pit_timer(void);
 #define inb_pit         inb_p
 #define outb_pit        outb_p
-#endif  /* __ASM_I8253_H__ */
+#endif /* ASM_X86__I8253_H */
diff --git a/include/asm-x86/i8259.h b/include/asm-x86/i8259.h
index 2f98df91f1f2..c586559a6957 100644
--- a/include/asm-x86/i8259.h
+++ b/include/asm-x86/i8259.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_I8259_H__
+#ifndef ASM_X86__I8259_H
-#define __ASM_I8259_H__
+#define ASM_X86__I8259_H
 #include <linux/delay.h>
@@ -57,4 +57,4 @@ static inline void outb_pic(unsigned char value, unsigned int port)
 extern struct irq_chip i8259A_chip;
-#endif  /* __ASM_I8259_H__ */
+#endif /* ASM_X86__I8259_H */
diff --git a/include/asm-x86/ia32.h b/include/asm-x86/ia32.h
index 55d3abe5276f..f932f7ad51dd 100644
--- a/include/asm-x86/ia32.h
+++ b/include/asm-x86/ia32.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_64_IA32_H
+#ifndef ASM_X86__IA32_H
-#define _ASM_X86_64_IA32_H
+#define ASM_X86__IA32_H
 #ifdef CONFIG_IA32_EMULATION
@@ -167,4 +167,4 @@ extern void ia32_pick_mmap_layout(struct mm_struct *mm);
 #endif /* !CONFIG_IA32_SUPPORT */
-#endif
+#endif /* ASM_X86__IA32_H */
diff --git a/include/asm-x86/ia32_unistd.h b/include/asm-x86/ia32_unistd.h
index 61cea9e7c5c1..dbd887d8a5a5 100644
--- a/include/asm-x86/ia32_unistd.h
+++ b/include/asm-x86/ia32_unistd.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_64_IA32_UNISTD_H_
+#ifndef ASM_X86__IA32_UNISTD_H
-#define _ASM_X86_64_IA32_UNISTD_H_
+#define ASM_X86__IA32_UNISTD_H
 /*
 * This file contains the system call numbers of the ia32 port,
@@ -15,4 +15,4 @@
 #define __NR_ia32_sigreturn     119
 #define __NR_ia32_rt_sigreturn  173
-#endif /* _ASM_X86_64_IA32_UNISTD_H_ */
+#endif /* ASM_X86__IA32_UNISTD_H */
diff --git a/include/asm-x86/idle.h b/include/asm-x86/idle.h
index cbb649123612..baa3f783d27d 100644
--- a/include/asm-x86/idle.h
+++ b/include/asm-x86/idle.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_64_IDLE_H
+#ifndef ASM_X86__IDLE_H
-#define _ASM_X86_64_IDLE_H 1
+#define ASM_X86__IDLE_H
 #define IDLE_START 1
 #define IDLE_END 2
@@ -12,4 +12,4 @@ void exit_idle(void);
 void c1e_remove_cpu(int cpu);
-#endif
+#endif /* ASM_X86__IDLE_H */
diff --git a/include/asm-x86/intel_arch_perfmon.h b/include/asm-x86/intel_arch_perfmon.h
index fa0fd068bc2e..07c03c6c9a16 100644
--- a/include/asm-x86/intel_arch_perfmon.h
+++ b/include/asm-x86/intel_arch_perfmon.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_INTEL_ARCH_PERFMON_H
+#ifndef ASM_X86__INTEL_ARCH_PERFMON_H
-#define _ASM_X86_INTEL_ARCH_PERFMON_H
+#define ASM_X86__INTEL_ARCH_PERFMON_H
 #define MSR_ARCH_PERFMON_PERFCTR0               0xc1
 #define MSR_ARCH_PERFMON_PERFCTR1               0xc2
@@ -28,4 +28,4 @@ union cpuid10_eax {
        unsigned int full;
 };
-#endif /* _ASM_X86_INTEL_ARCH_PERFMON_H */
+#endif /* ASM_X86__INTEL_ARCH_PERFMON_H */
diff --git a/include/asm-x86/io.h b/include/asm-x86/io.h
index 0f954dc89cb3..72b7719523bf 100644
--- a/include/asm-x86/io.h
+++ b/include/asm-x86/io.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_IO_H
+#ifndef ASM_X86__IO_H
-#define _ASM_X86_IO_H
+#define ASM_X86__IO_H
 #define ARCH_HAS_IOREMAP_WC
@@ -73,6 +73,8 @@ build_mmio_write(__writeq, "q", unsigned long, "r", )
 #define writeq writeq
 #endif
+extern int iommu_bio_merge;
 #ifdef CONFIG_X86_32
 # include "io_32.h"
 #else
@@ -99,4 +101,4 @@ extern void early_iounmap(void *addr, unsigned long size);
 extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys);
-#endif /* _ASM_X86_IO_H */
+#endif /* ASM_X86__IO_H */
diff --git a/include/asm-x86/io_32.h b/include/asm-x86/io_32.h
index e876d89ac156..4f7d878bda18 100644
--- a/include/asm-x86/io_32.h
+++ b/include/asm-x86/io_32.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_IO_H
+#ifndef ASM_X86__IO_32_H
-#define _ASM_IO_H
+#define ASM_X86__IO_32_H
 #include <linux/string.h>
 #include <linux/compiler.h>
@@ -281,4 +281,4 @@ BUILDIO(b, b, char)
 BUILDIO(w, w, short)
 BUILDIO(l, , int)
-#endif
+#endif /* ASM_X86__IO_32_H */
diff --git a/include/asm-x86/io_64.h b/include/asm-x86/io_64.h
index 22995c5c5adc..64429e9431a8 100644
--- a/include/asm-x86/io_64.h
+++ b/include/asm-x86/io_64.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_IO_H
+#ifndef ASM_X86__IO_64_H
-#define _ASM_IO_H
+#define ASM_X86__IO_64_H
 /*
@@ -235,7 +235,6 @@ void memset_io(volatile void __iomem *a, int b, size_t c);
 #define flush_write_buffers()
-extern int iommu_bio_merge;
 #define BIO_VMERGE_BOUNDARY iommu_bio_merge
 /*
@@ -245,4 +244,4 @@ extern int iommu_bio_merge;
 #endif /* __KERNEL__ */
-#endif
+#endif /* ASM_X86__IO_64_H */
diff --git a/include/asm-x86/io_apic.h b/include/asm-x86/io_apic.h
index 14f82bbcb5fd..be62847ab07e 100644
--- a/include/asm-x86/io_apic.h
+++ b/include/asm-x86/io_apic.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_IO_APIC_H
+#ifndef ASM_X86__IO_APIC_H
-#define __ASM_IO_APIC_H
+#define ASM_X86__IO_APIC_H
 #include <linux/types.h>
 #include <asm/mpspec.h>
@@ -189,4 +189,4 @@ static const int timer_through_8259 = 0;
 static inline void ioapic_init_mappings(void) { }
 #endif
-#endif
+#endif /* ASM_X86__IO_APIC_H */
diff --git a/include/asm-x86/ioctls.h b/include/asm-x86/ioctls.h
index c0c338bd4068..336603512399 100644
--- a/include/asm-x86/ioctls.h
+++ b/include/asm-x86/ioctls.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_IOCTLS_H
+#ifndef ASM_X86__IOCTLS_H
-#define _ASM_X86_IOCTLS_H
+#define ASM_X86__IOCTLS_H
 #include <asm/ioctl.h>
@@ -85,4 +85,4 @@
 #define TIOCSER_TEMT    0x01    /* Transmitter physically empty */
-#endif
+#endif /* ASM_X86__IOCTLS_H */
diff --git a/include/asm-x86/iommu.h b/include/asm-x86/iommu.h
index 5f888cc5be49..e86f44148c66 100644
--- a/include/asm-x86/iommu.h
+++ b/include/asm-x86/iommu.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X8664_IOMMU_H
+#ifndef ASM_X86__IOMMU_H
-#define _ASM_X8664_IOMMU_H 1
+#define ASM_X86__IOMMU_H
 extern void pci_iommu_shutdown(void);
 extern void no_iommu_init(void);
@@ -42,4 +42,4 @@ static inline void gart_iommu_hole_init(void)
 }
 #endif
-#endif
+#endif /* ASM_X86__IOMMU_H */
diff --git a/include/asm-x86/ipcbuf.h b/include/asm-x86/ipcbuf.h
index ee678fd51594..910304fbdc8f 100644
--- a/include/asm-x86/ipcbuf.h
+++ b/include/asm-x86/ipcbuf.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_IPCBUF_H
+#ifndef ASM_X86__IPCBUF_H
-#define _ASM_X86_IPCBUF_H
+#define ASM_X86__IPCBUF_H
 /*
 * The ipc64_perm structure for x86 architecture.
@@ -25,4 +25,4 @@ struct ipc64_perm {
        unsigned long           __unused2;
 };
-#endif /* _ASM_X86_IPCBUF_H */
+#endif /* ASM_X86__IPCBUF_H */
diff --git a/include/asm-x86/ipi.h b/include/asm-x86/ipi.h
index bb1c09f7a76c..c1b226797518 100644
--- a/include/asm-x86/ipi.h
+++ b/include/asm-x86/ipi.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_IPI_H
+#ifndef ASM_X86__IPI_H
-#define __ASM_IPI_H
+#define ASM_X86__IPI_H
 /*
 * Copyright 2004 James Cleverdon, IBM.
@@ -129,4 +129,4 @@ static inline void send_IPI_mask_sequence(cpumask_t mask, int vector)
        local_irq_restore(flags);
 }
-#endif /* __ASM_IPI_H */
+#endif /* ASM_X86__IPI_H */
diff --git a/include/asm-x86/irq.h b/include/asm-x86/irq.h
index 1a2925757317..1e5f2909c1db 100644
--- a/include/asm-x86/irq.h
+++ b/include/asm-x86/irq.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_IRQ_H
+#ifndef ASM_X86__IRQ_H
-#define _ASM_IRQ_H
+#define ASM_X86__IRQ_H
 /*
 *      (C) 1992, 1993 Linus Torvalds, (C) 1997 Ingo Molnar
 *
@@ -47,4 +47,4 @@ extern void native_init_IRQ(void);
 /* Interrupt vector management */
 extern DECLARE_BITMAP(used_vectors, NR_VECTORS);
-#endif /* _ASM_IRQ_H */
+#endif /* ASM_X86__IRQ_H */
diff --git a/include/asm-x86/irq_regs_32.h b/include/asm-x86/irq_regs_32.h
index 3368b20c0b48..316a3b258871 100644
--- a/include/asm-x86/irq_regs_32.h
+++ b/include/asm-x86/irq_regs_32.h
@@ -4,8 +4,8 @@
 *
 * Jeremy Fitzhardinge <jeremy@goop.org>
 */
-#ifndef _ASM_I386_IRQ_REGS_H
+#ifndef ASM_X86__IRQ_REGS_32_H
-#define _ASM_I386_IRQ_REGS_H
+#define ASM_X86__IRQ_REGS_32_H
 #include <asm/percpu.h>
@@ -26,4 +26,4 @@ static inline struct pt_regs *set_irq_regs(struct pt_regs *new_regs)
        return old_regs;
 }
-#endif /* _ASM_I386_IRQ_REGS_H */
+#endif /* ASM_X86__IRQ_REGS_32_H */
diff --git a/include/asm-x86/irq_vectors.h b/include/asm-x86/irq_vectors.h
index a48c7f2dbdc0..c5d2d767a1f3 100644
--- a/include/asm-x86/irq_vectors.h
+++ b/include/asm-x86/irq_vectors.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_IRQ_VECTORS_H
+#ifndef ASM_X86__IRQ_VECTORS_H
-#define _ASM_IRQ_VECTORS_H
+#define ASM_X86__IRQ_VECTORS_H
 #include <linux/threads.h>
@@ -179,4 +179,4 @@
 #define VIC_CPU_BOOT_ERRATA_CPI         (VIC_CPI_LEVEL0 + 8)
-#endif /* _ASM_IRQ_VECTORS_H */
+#endif /* ASM_X86__IRQ_VECTORS_H */
diff --git a/include/asm-x86/ist.h b/include/asm-x86/ist.h
index 6ec6ceed95a7..35a2fe9bc921 100644
--- a/include/asm-x86/ist.h
+++ b/include/asm-x86/ist.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_IST_H
+#ifndef ASM_X86__IST_H
-#define _ASM_IST_H
+#define ASM_X86__IST_H
 /*
 * Include file for the interface to IST BIOS
@@ -31,4 +31,4 @@ struct ist_info {
 extern struct ist_info ist_info;
 #endif  /* __KERNEL__ */
-#endif  /* _ASM_IST_H */
+#endif /* ASM_X86__IST_H */
diff --git a/include/asm-x86/k8.h b/include/asm-x86/k8.h
index 452e2b696ff4..2bbaf4370a55 100644
--- a/include/asm-x86/k8.h
+++ b/include/asm-x86/k8.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_K8_H
+#ifndef ASM_X86__K8_H
-#define _ASM_K8_H 1
+#define ASM_X86__K8_H
 #include <linux/pci.h>
@@ -12,4 +12,4 @@ extern int cache_k8_northbridges(void);
 extern void k8_flush_garts(void);
 extern int k8_scan_nodes(unsigned long start, unsigned long end);
-#endif
+#endif /* ASM_X86__K8_H */
diff --git a/include/asm-x86/kdebug.h b/include/asm-x86/kdebug.h
index 96651bb59ba1..5ec3ad3e825c 100644
--- a/include/asm-x86/kdebug.h
+++ b/include/asm-x86/kdebug.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_KDEBUG_H
+#ifndef ASM_X86__KDEBUG_H
-#define _ASM_X86_KDEBUG_H
+#define ASM_X86__KDEBUG_H
 #include <linux/notifier.h>
@@ -35,4 +35,4 @@ extern void show_regs(struct pt_regs *regs);
 extern unsigned long oops_begin(void);
 extern void oops_end(unsigned long, struct pt_regs *, int signr);
-#endif
+#endif /* ASM_X86__KDEBUG_H */
diff --git a/include/asm-x86/kexec.h b/include/asm-x86/kexec.h
index 4246ab7dc988..ea09600d6129 100644
--- a/include/asm-x86/kexec.h
+++ b/include/asm-x86/kexec.h
@@ -1,5 +1,5 @@
-#ifndef _KEXEC_H
+#ifndef ASM_X86__KEXEC_H
-#define _KEXEC_H
+#define ASM_X86__KEXEC_H
 #ifdef CONFIG_X86_32
 # define PA_CONTROL_PAGE        0
@@ -172,4 +172,4 @@ relocate_kernel(unsigned long indirection_page,
 #endif /* __ASSEMBLY__ */
-#endif /* _KEXEC_H */
+#endif /* ASM_X86__KEXEC_H */
diff --git a/include/asm-x86/kgdb.h b/include/asm-x86/kgdb.h
index 94d63db10365..d283863354de 100644
--- a/include/asm-x86/kgdb.h
+++ b/include/asm-x86/kgdb.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_KGDB_H_
+#ifndef ASM_X86__KGDB_H
-#define _ASM_KGDB_H_
+#define ASM_X86__KGDB_H
 /*
 * Copyright (C) 2001-2004 Amit S. Kale
@@ -76,4 +76,4 @@ static inline void arch_kgdb_breakpoint(void)
 #define BREAK_INSTR_SIZE        1
 #define CACHE_FLUSH_IS_SAFE     1
-#endif                          /* _ASM_KGDB_H_ */
+#endif /* ASM_X86__KGDB_H */
diff --git a/include/asm-x86/kmap_types.h b/include/asm-x86/kmap_types.h
index 5f4174132a22..89f44493e643 100644
--- a/include/asm-x86/kmap_types.h
+++ b/include/asm-x86/kmap_types.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_KMAP_TYPES_H
+#ifndef ASM_X86__KMAP_TYPES_H
-#define _ASM_X86_KMAP_TYPES_H
+#define ASM_X86__KMAP_TYPES_H
 #if defined(CONFIG_X86_32) && defined(CONFIG_DEBUG_HIGHMEM)
 # define D(n) __KM_FENCE_##n ,
@@ -26,4 +26,4 @@ D(13)	KM_TYPE_NR
 #undef D
-#endif
+#endif /* ASM_X86__KMAP_TYPES_H */
diff --git a/include/asm-x86/kprobes.h b/include/asm-x86/kprobes.h
index 54980b0b3892..bd8407863c13 100644
--- a/include/asm-x86/kprobes.h
+++ b/include/asm-x86/kprobes.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_KPROBES_H
+#ifndef ASM_X86__KPROBES_H
-#define _ASM_KPROBES_H
+#define ASM_X86__KPROBES_H
 /*
 *  Kernel Probes (KProbes)
 *
@@ -94,4 +94,4 @@ static inline void restore_interrupts(struct pt_regs *regs)
 extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
 extern int kprobe_exceptions_notify(struct notifier_block *self,
                                    unsigned long val, void *data);
-#endif                          /* _ASM_KPROBES_H */
+#endif /* ASM_X86__KPROBES_H */
diff --git a/include/asm-x86/kvm.h b/include/asm-x86/kvm.h
index 6f1840812e59..78e954db1e7f 100644
--- a/include/asm-x86/kvm.h
+++ b/include/asm-x86/kvm.h
@@ -1,5 +1,5 @@
-#ifndef __LINUX_KVM_X86_H
+#ifndef ASM_X86__KVM_H
-#define __LINUX_KVM_X86_H
+#define ASM_X86__KVM_H
 /*
 * KVM x86 specific structures and definitions
@@ -230,4 +230,4 @@ struct kvm_pit_state {
 #define KVM_TRC_APIC_ACCESS      (KVM_TRC_HANDLER + 0x14)
 #define KVM_TRC_TDP_FAULT        (KVM_TRC_HANDLER + 0x15)
-#endif
+#endif /* ASM_X86__KVM_H */
diff --git a/include/asm-x86/kvm_host.h b/include/asm-x86/kvm_host.h
index c2e34c275900..69794547f514 100644
--- a/include/asm-x86/kvm_host.h
+++ b/include/asm-x86/kvm_host.h
@@ -1,4 +1,4 @@
-#/*
+/*
 * Kernel-based Virtual Machine driver for Linux
 *
 * This header defines architecture specific interfaces, x86 version
@@ -8,8 +8,8 @@
 *
 */
-#ifndef ASM_KVM_HOST_H
+#ifndef ASM_X86__KVM_HOST_H
-#define ASM_KVM_HOST_H
+#define ASM_X86__KVM_HOST_H
 #include <linux/types.h>
 #include <linux/mm.h>
@@ -735,4 +735,4 @@ asmlinkage void kvm_handle_fault_on_reboot(void);
 int kvm_unmap_hva(struct kvm *kvm, unsigned long hva);
 int kvm_age_hva(struct kvm *kvm, unsigned long hva);
-#endif
+#endif /* ASM_X86__KVM_HOST_H */
diff --git a/include/asm-x86/kvm_para.h b/include/asm-x86/kvm_para.h
index 76f392146daa..30054fded4fb 100644
--- a/include/asm-x86/kvm_para.h
+++ b/include/asm-x86/kvm_para.h
@@ -1,5 +1,5 @@
-#ifndef __X86_KVM_PARA_H
+#ifndef ASM_X86__KVM_PARA_H
-#define __X86_KVM_PARA_H
+#define ASM_X86__KVM_PARA_H
 /* This CPUID returns the signature 'KVMKVMKVM' in ebx, ecx, and edx.  It
 * should be used to determine that a VM is running under KVM.
@@ -144,4 +144,4 @@ static inline unsigned int kvm_arch_para_features(void)
 #endif
-#endif
+#endif /* ASM_X86__KVM_PARA_H */
diff --git a/include/asm-x86/kvm_x86_emulate.h b/include/asm-x86/kvm_x86_emulate.h
index 4e8c1e48d91d..e2d9b030c1ac 100644
--- a/include/asm-x86/kvm_x86_emulate.h
+++ b/include/asm-x86/kvm_x86_emulate.h
@@ -8,8 +8,8 @@
 * From: xen-unstable 10676:af9809f51f81a3c43f276f00c81a52ef558afda4
 */
-#ifndef __X86_EMULATE_H__
+#ifndef ASM_X86__KVM_X86_EMULATE_H
-#define __X86_EMULATE_H__
+#define ASM_X86__KVM_X86_EMULATE_H
 struct x86_emulate_ctxt;
@@ -181,4 +181,4 @@ int x86_decode_insn(struct x86_emulate_ctxt *ctxt,
 int x86_emulate_insn(struct x86_emulate_ctxt *ctxt,
                     struct x86_emulate_ops *ops);
-#endif                          /* __X86_EMULATE_H__ */
+#endif /* ASM_X86__KVM_X86_EMULATE_H */
diff --git a/include/asm-x86/ldt.h b/include/asm-x86/ldt.h
index 20c597242b53..a5228504d867 100644
--- a/include/asm-x86/ldt.h
+++ b/include/asm-x86/ldt.h
@@ -3,8 +3,8 @@
 *
 * Definitions of structures used with the modify_ldt system call.
 */
-#ifndef _ASM_X86_LDT_H
+#ifndef ASM_X86__LDT_H
-#define _ASM_X86_LDT_H
+#define ASM_X86__LDT_H
 /* Maximum number of LDT entries supported. */
 #define LDT_ENTRIES     8192
@@ -37,4 +37,4 @@ struct user_desc {
 #define MODIFY_LDT_CONTENTS_CODE        2
 #endif /* !__ASSEMBLY__ */
-#endif
+#endif /* ASM_X86__LDT_H */
diff --git a/include/asm-x86/lguest.h b/include/asm-x86/lguest.h
index be4a7247fa2b..7505e947ed27 100644
--- a/include/asm-x86/lguest.h
+++ b/include/asm-x86/lguest.h
@@ -1,5 +1,5 @@
-#ifndef _X86_LGUEST_H
+#ifndef ASM_X86__LGUEST_H
-#define _X86_LGUEST_H
+#define ASM_X86__LGUEST_H
 #define GDT_ENTRY_LGUEST_CS     10
 #define GDT_ENTRY_LGUEST_DS     11
@@ -91,4 +91,4 @@ static inline void lguest_set_ts(void)
 #endif /* __ASSEMBLY__ */
-#endif
+#endif /* ASM_X86__LGUEST_H */
diff --git a/include/asm-x86/lguest_hcall.h b/include/asm-x86/lguest_hcall.h
index a3241f28e34a..8f034ba4b53e 100644
--- a/include/asm-x86/lguest_hcall.h
+++ b/include/asm-x86/lguest_hcall.h
@@ -1,6 +1,6 @@
 /* Architecture specific portion of the lguest hypercalls */
-#ifndef _X86_LGUEST_HCALL_H
+#ifndef ASM_X86__LGUEST_HCALL_H
-#define _X86_LGUEST_HCALL_H
+#define ASM_X86__LGUEST_HCALL_H
 #define LHCALL_FLUSH_ASYNC      0
 #define LHCALL_LGUEST_INIT      1
@@ -68,4 +68,4 @@ struct hcall_args {
 };
 #endif /* !__ASSEMBLY__ */
-#endif  /* _I386_LGUEST_HCALL_H */
+#endif /* ASM_X86__LGUEST_HCALL_H */
diff --git a/include/asm-x86/linkage.h b/include/asm-x86/linkage.h
index 64e444f8e85b..42d8b62ee8ab 100644
--- a/include/asm-x86/linkage.h
+++ b/include/asm-x86/linkage.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_LINKAGE_H
+#ifndef ASM_X86__LINKAGE_H
-#define __ASM_LINKAGE_H
+#define ASM_X86__LINKAGE_H
 #undef notrace
 #define notrace __attribute__((no_instrument_function))
@@ -57,5 +57,5 @@
 #define __ALIGN_STR ".align 16,0x90"
 #endif
-#endif
+#endif /* ASM_X86__LINKAGE_H */
diff --git a/include/asm-x86/local.h b/include/asm-x86/local.h
index 330a72496abd..ae91994fd6c9 100644
--- a/include/asm-x86/local.h
+++ b/include/asm-x86/local.h
@@ -1,5 +1,5 @@
-#ifndef _ARCH_LOCAL_H
+#ifndef ASM_X86__LOCAL_H
-#define _ARCH_LOCAL_H
+#define ASM_X86__LOCAL_H
 #include <linux/percpu.h>
@@ -232,4 +232,4 @@ static inline long local_sub_return(long i, local_t *l)
 #define __cpu_local_add(i, l)   cpu_local_add((i), (l))
 #define __cpu_local_sub(i, l)   cpu_local_sub((i), (l))
-#endif /* _ARCH_LOCAL_H */
+#endif /* ASM_X86__LOCAL_H */
diff --git a/include/asm-x86/mach-bigsmp/mach_apic.h b/include/asm-x86/mach-bigsmp/mach_apic.h
index c3b9dc6970c9..05362d44a3ee 100644
--- a/include/asm-x86/mach-bigsmp/mach_apic.h
+++ b/include/asm-x86/mach-bigsmp/mach_apic.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_APIC_H
+#ifndef ASM_X86__MACH_BIGSMP__MACH_APIC_H
-#define __ASM_MACH_APIC_H
+#define ASM_X86__MACH_BIGSMP__MACH_APIC_H
 #define xapic_phys_to_log_apicid(cpu) (per_cpu(x86_bios_cpu_apicid, cpu))
 #define esr_disable (1)
@@ -141,4 +141,4 @@ static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
        return cpuid_apic >> index_msb;
 }
-#endif /* __ASM_MACH_APIC_H */
+#endif /* ASM_X86__MACH_BIGSMP__MACH_APIC_H */
diff --git a/include/asm-x86/mach-bigsmp/mach_apicdef.h b/include/asm-x86/mach-bigsmp/mach_apicdef.h
index a58ab5a75c8c..811935d9d49b 100644
--- a/include/asm-x86/mach-bigsmp/mach_apicdef.h
+++ b/include/asm-x86/mach-bigsmp/mach_apicdef.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_APICDEF_H
+#ifndef ASM_X86__MACH_BIGSMP__MACH_APICDEF_H
-#define __ASM_MACH_APICDEF_H
+#define ASM_X86__MACH_BIGSMP__MACH_APICDEF_H
 #define         APIC_ID_MASK            (0xFF<<24)
@@ -10,4 +10,4 @@ static inline unsigned get_apic_id(unsigned long x)
 #define         GET_APIC_ID(x)  get_apic_id(x)
-#endif
+#endif /* ASM_X86__MACH_BIGSMP__MACH_APICDEF_H */
diff --git a/include/asm-x86/mach-bigsmp/mach_ipi.h b/include/asm-x86/mach-bigsmp/mach_ipi.h
index 9404c535b7ec..b1b0f966a009 100644
--- a/include/asm-x86/mach-bigsmp/mach_ipi.h
+++ b/include/asm-x86/mach-bigsmp/mach_ipi.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_IPI_H
+#ifndef ASM_X86__MACH_BIGSMP__MACH_IPI_H
-#define __ASM_MACH_IPI_H
+#define ASM_X86__MACH_BIGSMP__MACH_IPI_H
 void send_IPI_mask_sequence(cpumask_t mask, int vector);
@@ -22,4 +22,4 @@ static inline void send_IPI_all(int vector)
        send_IPI_mask(cpu_online_map, vector);
 }
-#endif /* __ASM_MACH_IPI_H */
+#endif /* ASM_X86__MACH_BIGSMP__MACH_IPI_H */
diff --git a/include/asm-x86/mach-default/apm.h b/include/asm-x86/mach-default/apm.h
index 989f34c37d32..2aa61b54fbd5 100644
--- a/include/asm-x86/mach-default/apm.h
+++ b/include/asm-x86/mach-default/apm.h
@@ -3,8 +3,8 @@
 *  Split out from apm.c by Osamu Tomita <tomita@cinet.co.jp>
 */
-#ifndef _ASM_APM_H
+#ifndef ASM_X86__MACH_DEFAULT__APM_H
-#define _ASM_APM_H
+#define ASM_X86__MACH_DEFAULT__APM_H
 #ifdef APM_ZERO_SEGS
 #       define APM_DO_ZERO_SEGS \
@@ -70,4 +70,4 @@ static inline u8 apm_bios_call_simple_asm(u32 func, u32 ebx_in,
        return error;
 }
-#endif /* _ASM_APM_H */
+#endif /* ASM_X86__MACH_DEFAULT__APM_H */
diff --git a/include/asm-x86/mach-default/mach_apic.h b/include/asm-x86/mach-default/mach_apic.h
index f3226b9a6b82..b615f40736be 100644
--- a/include/asm-x86/mach-default/mach_apic.h
+++ b/include/asm-x86/mach-default/mach_apic.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_APIC_H
+#ifndef ASM_X86__MACH_DEFAULT__MACH_APIC_H
-#define __ASM_MACH_APIC_H
+#define ASM_X86__MACH_DEFAULT__MACH_APIC_H
 #ifdef CONFIG_X86_LOCAL_APIC
@@ -138,4 +138,4 @@ static inline void enable_apic_mode(void)
 }
 #endif /* CONFIG_X86_LOCAL_APIC */
-#endif /* __ASM_MACH_APIC_H */
+#endif /* ASM_X86__MACH_DEFAULT__MACH_APIC_H */
diff --git a/include/asm-x86/mach-default/mach_apicdef.h b/include/asm-x86/mach-default/mach_apicdef.h
index e4b29ba37de6..936704f816d6 100644
--- a/include/asm-x86/mach-default/mach_apicdef.h
+++ b/include/asm-x86/mach-default/mach_apicdef.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_APICDEF_H
+#ifndef ASM_X86__MACH_DEFAULT__MACH_APICDEF_H
-#define __ASM_MACH_APICDEF_H
+#define ASM_X86__MACH_DEFAULT__MACH_APICDEF_H
 #include <asm/apic.h>
@@ -21,4 +21,4 @@ static inline unsigned get_apic_id(unsigned long x)
 #define         GET_APIC_ID(x)  get_apic_id(x)
 #endif
-#endif
+#endif /* ASM_X86__MACH_DEFAULT__MACH_APICDEF_H */
diff --git a/include/asm-x86/mach-default/mach_ipi.h b/include/asm-x86/mach-default/mach_ipi.h
index be323364e68f..674bc7e50c35 100644
--- a/include/asm-x86/mach-default/mach_ipi.h
+++ b/include/asm-x86/mach-default/mach_ipi.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_IPI_H
+#ifndef ASM_X86__MACH_DEFAULT__MACH_IPI_H
-#define __ASM_MACH_IPI_H
+#define ASM_X86__MACH_DEFAULT__MACH_IPI_H
 /* Avoid include hell */
 #define NMI_VECTOR 0x02
@@ -61,4 +61,4 @@ static inline void send_IPI_all(int vector)
 }
 #endif
-#endif /* __ASM_MACH_IPI_H */
+#endif /* ASM_X86__MACH_DEFAULT__MACH_IPI_H */
diff --git a/include/asm-x86/mach-default/mach_mpparse.h b/include/asm-x86/mach-default/mach_mpparse.h
index d14108505bb8..9c381f2815ac 100644
--- a/include/asm-x86/mach-default/mach_mpparse.h
+++ b/include/asm-x86/mach-default/mach_mpparse.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_MPPARSE_H
+#ifndef ASM_X86__MACH_DEFAULT__MACH_MPPARSE_H
-#define __ASM_MACH_MPPARSE_H
+#define ASM_X86__MACH_DEFAULT__MACH_MPPARSE_H
 static inline int mps_oem_check(struct mp_config_table *mpc, char *oem, 
                char *productid)
@@ -14,4 +14,4 @@ static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 }
-#endif /* __ASM_MACH_MPPARSE_H */
+#endif /* ASM_X86__MACH_DEFAULT__MACH_MPPARSE_H */
diff --git a/include/asm-x86/mach-default/mach_mpspec.h b/include/asm-x86/mach-default/mach_mpspec.h
index 51c9a9775932..d77646f011f1 100644
--- a/include/asm-x86/mach-default/mach_mpspec.h
+++ b/include/asm-x86/mach-default/mach_mpspec.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_MPSPEC_H
+#ifndef ASM_X86__MACH_DEFAULT__MACH_MPSPEC_H
-#define __ASM_MACH_MPSPEC_H
+#define ASM_X86__MACH_DEFAULT__MACH_MPSPEC_H
 #define MAX_IRQ_SOURCES 256
@@ -9,4 +9,4 @@
 #define MAX_MP_BUSSES 32
 #endif
-#endif /* __ASM_MACH_MPSPEC_H */
+#endif /* ASM_X86__MACH_DEFAULT__MACH_MPSPEC_H */
diff --git a/include/asm-x86/mach-default/mach_timer.h b/include/asm-x86/mach-default/mach_timer.h
index 4b76e536cd98..990b15833834 100644
--- a/include/asm-x86/mach-default/mach_timer.h
+++ b/include/asm-x86/mach-default/mach_timer.h
@@ -10,8 +10,8 @@
 * directly because of the awkward 8-bit access mechanism of the 82C54
 * device.
 */
-#ifndef _MACH_TIMER_H
+#ifndef ASM_X86__MACH_DEFAULT__MACH_TIMER_H
-#define _MACH_TIMER_H
+#define ASM_X86__MACH_DEFAULT__MACH_TIMER_H
 #define CALIBRATE_TIME_MSEC 30 /* 30 msecs */
 #define CALIBRATE_LATCH \
@@ -45,4 +45,4 @@ static inline void mach_countup(unsigned long *count_p)
        *count_p = count;
 }
-#endif /* !_MACH_TIMER_H */
+#endif /* ASM_X86__MACH_DEFAULT__MACH_TIMER_H */
diff --git a/include/asm-x86/mach-default/mach_traps.h b/include/asm-x86/mach-default/mach_traps.h
index 2fe7705c0484..de9ac3f5c4ce 100644
--- a/include/asm-x86/mach-default/mach_traps.h
+++ b/include/asm-x86/mach-default/mach_traps.h
@@ -2,8 +2,8 @@
 *  Machine specific NMI handling for generic.
 *  Split out from traps.c by Osamu Tomita <tomita@cinet.co.jp>
 */
-#ifndef _MACH_TRAPS_H
+#ifndef ASM_X86__MACH_DEFAULT__MACH_TRAPS_H
-#define _MACH_TRAPS_H
+#define ASM_X86__MACH_DEFAULT__MACH_TRAPS_H
 #include <asm/mc146818rtc.h>
@@ -36,4 +36,4 @@ static inline void reassert_nmi(void)
                unlock_cmos();
 }
-#endif /* !_MACH_TRAPS_H */
+#endif /* ASM_X86__MACH_DEFAULT__MACH_TRAPS_H */
diff --git a/include/asm-x86/mach-default/mach_wakecpu.h b/include/asm-x86/mach-default/mach_wakecpu.h
index 3ebb17893aa5..361b810f5160 100644
--- a/include/asm-x86/mach-default/mach_wakecpu.h
+++ b/include/asm-x86/mach-default/mach_wakecpu.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_WAKECPU_H
+#ifndef ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H
-#define __ASM_MACH_WAKECPU_H
+#define ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H
 /* 
 * This file copes with machines that wakeup secondary CPUs by the
@@ -39,4 +39,4 @@ static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
 #define inquire_remote_apic(apicid) {}
 #endif
-#endif /* __ASM_MACH_WAKECPU_H */
+#endif /* ASM_X86__MACH_DEFAULT__MACH_WAKECPU_H */
diff --git a/include/asm-x86/mach-es7000/mach_apic.h b/include/asm-x86/mach-es7000/mach_apic.h
index 0a3fdf930672..c1f6f682d619 100644
--- a/include/asm-x86/mach-es7000/mach_apic.h
+++ b/include/asm-x86/mach-es7000/mach_apic.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_APIC_H
+#ifndef ASM_X86__MACH_ES7000__MACH_APIC_H
-#define __ASM_MACH_APIC_H
+#define ASM_X86__MACH_ES7000__MACH_APIC_H
 #define xapic_phys_to_log_apicid(cpu) per_cpu(x86_bios_cpu_apicid, cpu)
 #define esr_disable (1)
@@ -191,4 +191,4 @@ static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
        return cpuid_apic >> index_msb;
 }
-#endif /* __ASM_MACH_APIC_H */
+#endif /* ASM_X86__MACH_ES7000__MACH_APIC_H */
diff --git a/include/asm-x86/mach-es7000/mach_apicdef.h b/include/asm-x86/mach-es7000/mach_apicdef.h
index a58ab5a75c8c..a07e56744028 100644
--- a/include/asm-x86/mach-es7000/mach_apicdef.h
+++ b/include/asm-x86/mach-es7000/mach_apicdef.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_APICDEF_H
+#ifndef ASM_X86__MACH_ES7000__MACH_APICDEF_H
-#define __ASM_MACH_APICDEF_H
+#define ASM_X86__MACH_ES7000__MACH_APICDEF_H
 #define         APIC_ID_MASK            (0xFF<<24)
@@ -10,4 +10,4 @@ static inline unsigned get_apic_id(unsigned long x)
 #define         GET_APIC_ID(x)  get_apic_id(x)
-#endif
+#endif /* ASM_X86__MACH_ES7000__MACH_APICDEF_H */
diff --git a/include/asm-x86/mach-es7000/mach_ipi.h b/include/asm-x86/mach-es7000/mach_ipi.h
index 5e61bd220b06..3a21240e03dc 100644
--- a/include/asm-x86/mach-es7000/mach_ipi.h
+++ b/include/asm-x86/mach-es7000/mach_ipi.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_IPI_H
+#ifndef ASM_X86__MACH_ES7000__MACH_IPI_H
-#define __ASM_MACH_IPI_H
+#define ASM_X86__MACH_ES7000__MACH_IPI_H
 void send_IPI_mask_sequence(cpumask_t mask, int vector);
@@ -21,4 +21,4 @@ static inline void send_IPI_all(int vector)
        send_IPI_mask(cpu_online_map, vector);
 }
-#endif /* __ASM_MACH_IPI_H */
+#endif /* ASM_X86__MACH_ES7000__MACH_IPI_H */
diff --git a/include/asm-x86/mach-es7000/mach_mpparse.h b/include/asm-x86/mach-es7000/mach_mpparse.h
index ef26d3523625..befde24705b7 100644
--- a/include/asm-x86/mach-es7000/mach_mpparse.h
+++ b/include/asm-x86/mach-es7000/mach_mpparse.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_MPPARSE_H
+#ifndef ASM_X86__MACH_ES7000__MACH_MPPARSE_H
-#define __ASM_MACH_MPPARSE_H
+#define ASM_X86__MACH_ES7000__MACH_MPPARSE_H
 #include <linux/acpi.h>
@@ -26,4 +26,4 @@ static inline int es7000_check_dsdt(void)
 }
 #endif
-#endif /* __ASM_MACH_MPPARSE_H */
+#endif /* ASM_X86__MACH_ES7000__MACH_MPPARSE_H */
diff --git a/include/asm-x86/mach-es7000/mach_wakecpu.h b/include/asm-x86/mach-es7000/mach_wakecpu.h
index 84ff58314501..97c776ce13f2 100644
--- a/include/asm-x86/mach-es7000/mach_wakecpu.h
+++ b/include/asm-x86/mach-es7000/mach_wakecpu.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_WAKECPU_H
+#ifndef ASM_X86__MACH_ES7000__MACH_WAKECPU_H
-#define __ASM_MACH_WAKECPU_H
+#define ASM_X86__MACH_ES7000__MACH_WAKECPU_H
 /* 
 * This file copes with machines that wakeup secondary CPUs by the
@@ -56,4 +56,4 @@ static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
 #define inquire_remote_apic(apicid) {}
 #endif
-#endif /* __ASM_MACH_WAKECPU_H */
+#endif /* ASM_X86__MACH_ES7000__MACH_WAKECPU_H */
diff --git a/include/asm-x86/mach-generic/gpio.h b/include/asm-x86/mach-generic/gpio.h
index 5305dcb96df2..6ce0f7786ef8 100644
--- a/include/asm-x86/mach-generic/gpio.h
+++ b/include/asm-x86/mach-generic/gpio.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_GENERIC_GPIO_H
+#ifndef ASM_X86__MACH_GENERIC__GPIO_H
-#define __ASM_MACH_GENERIC_GPIO_H
+#define ASM_X86__MACH_GENERIC__GPIO_H
 int gpio_request(unsigned gpio, const char *label);
 void gpio_free(unsigned gpio);
@@ -12,4 +12,4 @@ int irq_to_gpio(unsigned irq);
 #include <asm-generic/gpio.h>           /* cansleep wrappers */
-#endif /* __ASM_MACH_GENERIC_GPIO_H */
+#endif /* ASM_X86__MACH_GENERIC__GPIO_H */
diff --git a/include/asm-x86/mach-generic/irq_vectors_limits.h b/include/asm-x86/mach-generic/irq_vectors_limits.h
index 890ce3f5e09a..f7870e1a220d 100644
--- a/include/asm-x86/mach-generic/irq_vectors_limits.h
+++ b/include/asm-x86/mach-generic/irq_vectors_limits.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_IRQ_VECTORS_LIMITS_H
+#ifndef ASM_X86__MACH_GENERIC__IRQ_VECTORS_LIMITS_H
-#define _ASM_IRQ_VECTORS_LIMITS_H
+#define ASM_X86__MACH_GENERIC__IRQ_VECTORS_LIMITS_H
 /*
 * For Summit or generic (i.e. installer) kernels, we have lots of I/O APICs,
@@ -11,4 +11,4 @@
 #define NR_IRQS 224
 #define NR_IRQ_VECTORS  1024
-#endif /* _ASM_IRQ_VECTORS_LIMITS_H */
+#endif /* ASM_X86__MACH_GENERIC__IRQ_VECTORS_LIMITS_H */
diff --git a/include/asm-x86/mach-generic/mach_apic.h b/include/asm-x86/mach-generic/mach_apic.h
index 6eff343e1233..5d010c6881dd 100644
--- a/include/asm-x86/mach-generic/mach_apic.h
+++ b/include/asm-x86/mach-generic/mach_apic.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_APIC_H
+#ifndef ASM_X86__MACH_GENERIC__MACH_APIC_H
-#define __ASM_MACH_APIC_H
+#define ASM_X86__MACH_GENERIC__MACH_APIC_H
 #include <asm/genapic.h>
@@ -29,4 +29,4 @@
 extern void generic_bigsmp_probe(void);
-#endif /* __ASM_MACH_APIC_H */
+#endif /* ASM_X86__MACH_GENERIC__MACH_APIC_H */
diff --git a/include/asm-x86/mach-generic/mach_apicdef.h b/include/asm-x86/mach-generic/mach_apicdef.h
index 28ed98972ca8..1657f38b8f27 100644
--- a/include/asm-x86/mach-generic/mach_apicdef.h
+++ b/include/asm-x86/mach-generic/mach_apicdef.h
@@ -1,5 +1,5 @@
-#ifndef _GENAPIC_MACH_APICDEF_H
+#ifndef ASM_X86__MACH_GENERIC__MACH_APICDEF_H
-#define _GENAPIC_MACH_APICDEF_H 1
+#define ASM_X86__MACH_GENERIC__MACH_APICDEF_H
 #ifndef APIC_DEFINITION
 #include <asm/genapic.h>
@@ -8,4 +8,4 @@
 #define APIC_ID_MASK (genapic->apic_id_mask)
 #endif
-#endif
+#endif /* ASM_X86__MACH_GENERIC__MACH_APICDEF_H */
diff --git a/include/asm-x86/mach-generic/mach_ipi.h b/include/asm-x86/mach-generic/mach_ipi.h
index 441b0fe3ed1d..f67433dbd65f 100644
--- a/include/asm-x86/mach-generic/mach_ipi.h
+++ b/include/asm-x86/mach-generic/mach_ipi.h
@@ -1,5 +1,5 @@
-#ifndef _MACH_IPI_H
+#ifndef ASM_X86__MACH_GENERIC__MACH_IPI_H
-#define _MACH_IPI_H 1
+#define ASM_X86__MACH_GENERIC__MACH_IPI_H
 #include <asm/genapic.h>
@@ -7,4 +7,4 @@
 #define send_IPI_allbutself (genapic->send_IPI_allbutself)
 #define send_IPI_all (genapic->send_IPI_all)
-#endif
+#endif /* ASM_X86__MACH_GENERIC__MACH_IPI_H */
diff --git a/include/asm-x86/mach-generic/mach_mpparse.h b/include/asm-x86/mach-generic/mach_mpparse.h
index 586cadbf3787..3115564e557c 100644
--- a/include/asm-x86/mach-generic/mach_mpparse.h
+++ b/include/asm-x86/mach-generic/mach_mpparse.h
@@ -1,5 +1,5 @@
-#ifndef _MACH_MPPARSE_H
+#ifndef ASM_X86__MACH_GENERIC__MACH_MPPARSE_H
-#define _MACH_MPPARSE_H 1
+#define ASM_X86__MACH_GENERIC__MACH_MPPARSE_H
 extern int mps_oem_check(struct mp_config_table *mpc, char *oem,
@@ -7,4 +7,4 @@ extern int mps_oem_check(struct mp_config_table *mpc, char *oem,
 extern int acpi_madt_oem_check(char *oem_id, char *oem_table_id);
-#endif
+#endif /* ASM_X86__MACH_GENERIC__MACH_MPPARSE_H */
diff --git a/include/asm-x86/mach-generic/mach_mpspec.h b/include/asm-x86/mach-generic/mach_mpspec.h
index c83c120be538..6061b153613e 100644
--- a/include/asm-x86/mach-generic/mach_mpspec.h
+++ b/include/asm-x86/mach-generic/mach_mpspec.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_MPSPEC_H
+#ifndef ASM_X86__MACH_GENERIC__MACH_MPSPEC_H
-#define __ASM_MACH_MPSPEC_H
+#define ASM_X86__MACH_GENERIC__MACH_MPSPEC_H
 #define MAX_IRQ_SOURCES 256
@@ -9,4 +9,4 @@
 extern void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem,
                                char *productid);
-#endif /* __ASM_MACH_MPSPEC_H */
+#endif /* ASM_X86__MACH_GENERIC__MACH_MPSPEC_H */
diff --git a/include/asm-x86/mach-numaq/mach_apic.h b/include/asm-x86/mach-numaq/mach_apic.h
index d802465e026a..7a0d39edfcfa 100644
--- a/include/asm-x86/mach-numaq/mach_apic.h
+++ b/include/asm-x86/mach-numaq/mach_apic.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_APIC_H
+#ifndef ASM_X86__MACH_NUMAQ__MACH_APIC_H
-#define __ASM_MACH_APIC_H
+#define ASM_X86__MACH_NUMAQ__MACH_APIC_H
 #include <asm/io.h>
 #include <linux/mmzone.h>
@@ -135,4 +135,4 @@ static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
        return cpuid_apic >> index_msb;
 }
-#endif /* __ASM_MACH_APIC_H */
+#endif /* ASM_X86__MACH_NUMAQ__MACH_APIC_H */
diff --git a/include/asm-x86/mach-numaq/mach_apicdef.h b/include/asm-x86/mach-numaq/mach_apicdef.h
index bf439d0690f5..f870ec5f7782 100644
--- a/include/asm-x86/mach-numaq/mach_apicdef.h
+++ b/include/asm-x86/mach-numaq/mach_apicdef.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_APICDEF_H
+#ifndef ASM_X86__MACH_NUMAQ__MACH_APICDEF_H
-#define __ASM_MACH_APICDEF_H
+#define ASM_X86__MACH_NUMAQ__MACH_APICDEF_H
 #define APIC_ID_MASK (0xF<<24)
@@ -11,4 +11,4 @@ static inline unsigned get_apic_id(unsigned long x)
 #define         GET_APIC_ID(x)  get_apic_id(x)
-#endif
+#endif /* ASM_X86__MACH_NUMAQ__MACH_APICDEF_H */
diff --git a/include/asm-x86/mach-numaq/mach_ipi.h b/include/asm-x86/mach-numaq/mach_ipi.h
index c6044488e9e6..1e835823f4bc 100644
--- a/include/asm-x86/mach-numaq/mach_ipi.h
+++ b/include/asm-x86/mach-numaq/mach_ipi.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_IPI_H
+#ifndef ASM_X86__MACH_NUMAQ__MACH_IPI_H
-#define __ASM_MACH_IPI_H
+#define ASM_X86__MACH_NUMAQ__MACH_IPI_H
 void send_IPI_mask_sequence(cpumask_t, int vector);
@@ -22,4 +22,4 @@ static inline void send_IPI_all(int vector)
        send_IPI_mask(cpu_online_map, vector);
 }
-#endif /* __ASM_MACH_IPI_H */
+#endif /* ASM_X86__MACH_NUMAQ__MACH_IPI_H */
diff --git a/include/asm-x86/mach-numaq/mach_mpparse.h b/include/asm-x86/mach-numaq/mach_mpparse.h
index 626aef6b155f..74ade184920b 100644
--- a/include/asm-x86/mach-numaq/mach_mpparse.h
+++ b/include/asm-x86/mach-numaq/mach_mpparse.h
@@ -1,7 +1,7 @@
-#ifndef __ASM_MACH_MPPARSE_H
+#ifndef ASM_X86__MACH_NUMAQ__MACH_MPPARSE_H
-#define __ASM_MACH_MPPARSE_H
+#define ASM_X86__MACH_NUMAQ__MACH_MPPARSE_H
 extern void numaq_mps_oem_check(struct mp_config_table *mpc, char *oem,
                                char *productid);
-#endif /* __ASM_MACH_MPPARSE_H */
+#endif /* ASM_X86__MACH_NUMAQ__MACH_MPPARSE_H */
diff --git a/include/asm-x86/mach-numaq/mach_wakecpu.h b/include/asm-x86/mach-numaq/mach_wakecpu.h
index 00530041a991..0db8cea643c0 100644
--- a/include/asm-x86/mach-numaq/mach_wakecpu.h
+++ b/include/asm-x86/mach-numaq/mach_wakecpu.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_WAKECPU_H
+#ifndef ASM_X86__MACH_NUMAQ__MACH_WAKECPU_H
-#define __ASM_MACH_WAKECPU_H
+#define ASM_X86__MACH_NUMAQ__MACH_WAKECPU_H
 /* This file copes with machines that wakeup secondary CPUs by NMIs */
@@ -40,4 +40,4 @@ static inline void restore_NMI_vector(unsigned short *high, unsigned short *low)
 #define inquire_remote_apic(apicid) {}
-#endif /* __ASM_MACH_WAKECPU_H */
+#endif /* ASM_X86__MACH_NUMAQ__MACH_WAKECPU_H */
diff --git a/include/asm-x86/mach-rdc321x/gpio.h b/include/asm-x86/mach-rdc321x/gpio.h
index acce0b7d397b..94b6cdf532e2 100644
--- a/include/asm-x86/mach-rdc321x/gpio.h
+++ b/include/asm-x86/mach-rdc321x/gpio.h
@@ -1,5 +1,7 @@
-#ifndef _RDC321X_GPIO_H
+#ifndef ASM_X86__MACH_RDC321X__GPIO_H
-#define _RDC321X_GPIO_H
+#define ASM_X86__MACH_RDC321X__GPIO_H
+#include <linux/kernel.h>
 extern int rdc_gpio_get_value(unsigned gpio);
 extern void rdc_gpio_set_value(unsigned gpio, int value);
@@ -18,6 +20,7 @@ static inline int gpio_request(unsigned gpio, const char *label)
 static inline void gpio_free(unsigned gpio)
 {
+        might_sleep();
        rdc_gpio_free(gpio);
 }
@@ -54,4 +57,4 @@ static inline int irq_to_gpio(unsigned irq)
 /* For cansleep */
 #include <asm-generic/gpio.h>
-#endif /* _RDC321X_GPIO_H_ */
+#endif /* ASM_X86__MACH_RDC321X__GPIO_H */
diff --git a/include/asm-x86/mach-summit/irq_vectors_limits.h b/include/asm-x86/mach-summit/irq_vectors_limits.h
index 890ce3f5e09a..22f376ad68e1 100644
--- a/include/asm-x86/mach-summit/irq_vectors_limits.h
+++ b/include/asm-x86/mach-summit/irq_vectors_limits.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_IRQ_VECTORS_LIMITS_H
+#ifndef ASM_X86__MACH_SUMMIT__IRQ_VECTORS_LIMITS_H
-#define _ASM_IRQ_VECTORS_LIMITS_H
+#define ASM_X86__MACH_SUMMIT__IRQ_VECTORS_LIMITS_H
 /*
 * For Summit or generic (i.e. installer) kernels, we have lots of I/O APICs,
@@ -11,4 +11,4 @@
 #define NR_IRQS 224
 #define NR_IRQ_VECTORS  1024
-#endif /* _ASM_IRQ_VECTORS_LIMITS_H */
+#endif /* ASM_X86__MACH_SUMMIT__IRQ_VECTORS_LIMITS_H */
diff --git a/include/asm-x86/mach-summit/mach_apic.h b/include/asm-x86/mach-summit/mach_apic.h
index c47e2ab5c5ca..7a66758d701d 100644
--- a/include/asm-x86/mach-summit/mach_apic.h
+++ b/include/asm-x86/mach-summit/mach_apic.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_APIC_H
+#ifndef ASM_X86__MACH_SUMMIT__MACH_APIC_H
-#define __ASM_MACH_APIC_H
+#define ASM_X86__MACH_SUMMIT__MACH_APIC_H
 #include <asm/smp.h>
@@ -182,4 +182,4 @@ static inline u32 phys_pkg_id(u32 cpuid_apic, int index_msb)
        return hard_smp_processor_id() >> index_msb;
 }
-#endif /* __ASM_MACH_APIC_H */
+#endif /* ASM_X86__MACH_SUMMIT__MACH_APIC_H */
diff --git a/include/asm-x86/mach-summit/mach_apicdef.h b/include/asm-x86/mach-summit/mach_apicdef.h
index a58ab5a75c8c..d4bc8590c4f6 100644
--- a/include/asm-x86/mach-summit/mach_apicdef.h
+++ b/include/asm-x86/mach-summit/mach_apicdef.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_APICDEF_H
+#ifndef ASM_X86__MACH_SUMMIT__MACH_APICDEF_H
-#define __ASM_MACH_APICDEF_H
+#define ASM_X86__MACH_SUMMIT__MACH_APICDEF_H
 #define         APIC_ID_MASK            (0xFF<<24)
@@ -10,4 +10,4 @@ static inline unsigned get_apic_id(unsigned long x)
 #define         GET_APIC_ID(x)  get_apic_id(x)
-#endif
+#endif /* ASM_X86__MACH_SUMMIT__MACH_APICDEF_H */
diff --git a/include/asm-x86/mach-summit/mach_ipi.h b/include/asm-x86/mach-summit/mach_ipi.h
index 9404c535b7ec..a3b31c528d90 100644
--- a/include/asm-x86/mach-summit/mach_ipi.h
+++ b/include/asm-x86/mach-summit/mach_ipi.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_IPI_H
+#ifndef ASM_X86__MACH_SUMMIT__MACH_IPI_H
-#define __ASM_MACH_IPI_H
+#define ASM_X86__MACH_SUMMIT__MACH_IPI_H
 void send_IPI_mask_sequence(cpumask_t mask, int vector);
@@ -22,4 +22,4 @@ static inline void send_IPI_all(int vector)
        send_IPI_mask(cpu_online_map, vector);
 }
-#endif /* __ASM_MACH_IPI_H */
+#endif /* ASM_X86__MACH_SUMMIT__MACH_IPI_H */
diff --git a/include/asm-x86/mach-summit/mach_mpparse.h b/include/asm-x86/mach-summit/mach_mpparse.h
index fdf591701339..92396f28772b 100644
--- a/include/asm-x86/mach-summit/mach_mpparse.h
+++ b/include/asm-x86/mach-summit/mach_mpparse.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MACH_MPPARSE_H
+#ifndef ASM_X86__MACH_SUMMIT__MACH_MPPARSE_H
-#define __ASM_MACH_MPPARSE_H
+#define ASM_X86__MACH_SUMMIT__MACH_MPPARSE_H
 #include <mach_apic.h>
 #include <asm/tsc.h>
@@ -107,4 +107,4 @@ static inline int is_WPEG(struct rio_detail *rio){
                rio->type == LookOutAWPEG || rio->type == LookOutBWPEG);
 }
-#endif /* __ASM_MACH_MPPARSE_H */
+#endif /* ASM_X86__MACH_SUMMIT__MACH_MPPARSE_H */
diff --git a/include/asm-x86/math_emu.h b/include/asm-x86/math_emu.h
index 9bf4ae93ab10..5768d8e95c8c 100644
--- a/include/asm-x86/math_emu.h
+++ b/include/asm-x86/math_emu.h
@@ -1,5 +1,5 @@
-#ifndef _I386_MATH_EMU_H
+#ifndef ASM_X86__MATH_EMU_H
-#define _I386_MATH_EMU_H
+#define ASM_X86__MATH_EMU_H
 /* This structure matches the layout of the data saved to the stack
   following a device-not-present interrupt, part of it saved
@@ -28,4 +28,4 @@ struct info {
        long ___vm86_fs;
        long ___vm86_gs;
 };
-#endif
+#endif /* ASM_X86__MATH_EMU_H */
diff --git a/include/asm-x86/mc146818rtc.h b/include/asm-x86/mc146818rtc.h
index daf1ccde77af..a995f33176cd 100644
--- a/include/asm-x86/mc146818rtc.h
+++ b/include/asm-x86/mc146818rtc.h
@@ -1,8 +1,8 @@
 /*
 * Machine dependent access functions for RTC registers.
 */
-#ifndef _ASM_MC146818RTC_H
+#ifndef ASM_X86__MC146818RTC_H
-#define _ASM_MC146818RTC_H
+#define ASM_X86__MC146818RTC_H
 #include <asm/io.h>
 #include <asm/system.h>
@@ -101,4 +101,4 @@ extern unsigned long mach_get_cmos_time(void);
 #define RTC_IRQ 8
-#endif /* _ASM_MC146818RTC_H */
+#endif /* ASM_X86__MC146818RTC_H */
diff --git a/include/asm-x86/mca.h b/include/asm-x86/mca.h
index 09adf2eac4dc..60d1ed287b13 100644
--- a/include/asm-x86/mca.h
+++ b/include/asm-x86/mca.h
@@ -1,8 +1,8 @@
 /* -*- mode: c; c-basic-offset: 8 -*- */
 /* Platform specific MCA defines */
-#ifndef _ASM_MCA_H
+#ifndef ASM_X86__MCA_H
-#define _ASM_MCA_H
+#define ASM_X86__MCA_H
 /* Maximal number of MCA slots - actually, some machines have less, but
 * they all have sufficient number of POS registers to cover 8.
@@ -40,4 +40,4 @@
 */
 #define MCA_NUMADAPTERS (MCA_MAX_SLOT_NR+3)
-#endif
+#endif /* ASM_X86__MCA_H */
diff --git a/include/asm-x86/mca_dma.h b/include/asm-x86/mca_dma.h
index c3dca6edc6b1..49f22be237d2 100644
--- a/include/asm-x86/mca_dma.h
+++ b/include/asm-x86/mca_dma.h
@@ -1,5 +1,5 @@
-#ifndef MCA_DMA_H
+#ifndef ASM_X86__MCA_DMA_H
-#define MCA_DMA_H
+#define ASM_X86__MCA_DMA_H
 #include <asm/io.h>
 #include <linux/ioport.h>
@@ -198,4 +198,4 @@ static inline void mca_set_dma_mode(unsigned int dmanr, unsigned int mode)
        outb(mode, MCA_DMA_REG_EXE);
 }
-#endif /* MCA_DMA_H */
+#endif /* ASM_X86__MCA_DMA_H */
diff --git a/include/asm-x86/mce.h b/include/asm-x86/mce.h
index 531eaa587455..036133eaf744 100644
--- a/include/asm-x86/mce.h
+++ b/include/asm-x86/mce.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MCE_H
+#ifndef ASM_X86__MCE_H
-#define _ASM_X86_MCE_H
+#define ASM_X86__MCE_H
 #ifdef __x86_64__
@@ -127,4 +127,4 @@ extern void restart_mce(void);
 #endif /* __KERNEL__ */
-#endif
+#endif /* ASM_X86__MCE_H */
diff --git a/include/asm-x86/mman.h b/include/asm-x86/mman.h
index 90bc4108a4fd..4ef28e6de383 100644
--- a/include/asm-x86/mman.h
+++ b/include/asm-x86/mman.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MMAN_H
+#ifndef ASM_X86__MMAN_H
-#define _ASM_X86_MMAN_H
+#define ASM_X86__MMAN_H
 #include <asm-generic/mman.h>
@@ -17,4 +17,4 @@
 #define MCL_CURRENT     1               /* lock all current mappings */
 #define MCL_FUTURE      2               /* lock all future mappings */
-#endif /* _ASM_X86_MMAN_H */
+#endif /* ASM_X86__MMAN_H */
diff --git a/include/asm-x86/mmconfig.h b/include/asm-x86/mmconfig.h
index e293ab81e850..fb79b1cf5d07 100644
--- a/include/asm-x86/mmconfig.h
+++ b/include/asm-x86/mmconfig.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_MMCONFIG_H
+#ifndef ASM_X86__MMCONFIG_H
-#define _ASM_MMCONFIG_H
+#define ASM_X86__MMCONFIG_H
 #ifdef CONFIG_PCI_MMCONFIG
 extern void __cpuinit fam10h_check_enable_mmcfg(void);
@@ -9,4 +9,4 @@ static inline void fam10h_check_enable_mmcfg(void) { }
 static inline void check_enable_amd_mmconf_dmi(void) { }
 #endif
-#endif
+#endif /* ASM_X86__MMCONFIG_H */
diff --git a/include/asm-x86/mmu.h b/include/asm-x86/mmu.h
index 00e88679e11f..9d5aff14334a 100644
--- a/include/asm-x86/mmu.h
+++ b/include/asm-x86/mmu.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MMU_H
+#ifndef ASM_X86__MMU_H
-#define _ASM_X86_MMU_H
+#define ASM_X86__MMU_H
 #include <linux/spinlock.h>
 #include <linux/mutex.h>
@@ -7,14 +7,9 @@
 /*
 * The x86 doesn't have a mmu context, but
 * we put the segment information here.
- *
- * cpu_vm_mask is used to optimize ldt flushing.
 */
 typedef struct {
        void *ldt;
-#ifdef CONFIG_X86_64
-        rwlock_t ldtlock;
-#endif
        int size;
        struct mutex lock;
        void *vdso;
@@ -28,4 +23,4 @@ static inline void leave_mm(int cpu)
 }
 #endif
-#endif /* _ASM_X86_MMU_H */
+#endif /* ASM_X86__MMU_H */
diff --git a/include/asm-x86/mmu_context.h b/include/asm-x86/mmu_context.h
index fac57014e7c6..8ec940bfd079 100644
--- a/include/asm-x86/mmu_context.h
+++ b/include/asm-x86/mmu_context.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_X86_MMU_CONTEXT_H
+#ifndef ASM_X86__MMU_CONTEXT_H
-#define __ASM_X86_MMU_CONTEXT_H
+#define ASM_X86__MMU_CONTEXT_H
 #include <asm/desc.h>
 #include <asm/atomic.h>
@@ -34,4 +34,4 @@ do {						\
 } while (0);
-#endif /* __ASM_X86_MMU_CONTEXT_H */
+#endif /* ASM_X86__MMU_CONTEXT_H */
diff --git a/include/asm-x86/mmu_context_32.h b/include/asm-x86/mmu_context_32.h
index 824fc575c6d8..cce6f6e4afd6 100644
--- a/include/asm-x86/mmu_context_32.h
+++ b/include/asm-x86/mmu_context_32.h
@@ -1,5 +1,5 @@
-#ifndef __I386_SCHED_H
+#ifndef ASM_X86__MMU_CONTEXT_32_H
-#define __I386_SCHED_H
+#define ASM_X86__MMU_CONTEXT_32_H
 static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
 {
@@ -53,4 +53,4 @@ static inline void switch_mm(struct mm_struct *prev,
 #define deactivate_mm(tsk, mm)                  \
        asm("movl %0,%%gs": :"r" (0));
-#endif
+#endif /* ASM_X86__MMU_CONTEXT_32_H */
diff --git a/include/asm-x86/mmu_context_64.h b/include/asm-x86/mmu_context_64.h
index c7000634ccae..26758673c828 100644
--- a/include/asm-x86/mmu_context_64.h
+++ b/include/asm-x86/mmu_context_64.h
@@ -1,5 +1,5 @@
-#ifndef __X86_64_MMU_CONTEXT_H
+#ifndef ASM_X86__MMU_CONTEXT_64_H
-#define __X86_64_MMU_CONTEXT_H
+#define ASM_X86__MMU_CONTEXT_64_H
 #include <asm/pda.h>
@@ -51,4 +51,4 @@ do {						\
        asm volatile("movl %0,%%fs"::"r"(0));   \
 } while (0)
-#endif
+#endif /* ASM_X86__MMU_CONTEXT_64_H */
diff --git a/include/asm-x86/mmx.h b/include/asm-x86/mmx.h
index 940881218ff8..2e7299bb3653 100644
--- a/include/asm-x86/mmx.h
+++ b/include/asm-x86/mmx.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_MMX_H
+#ifndef ASM_X86__MMX_H
-#define _ASM_MMX_H
+#define ASM_X86__MMX_H
 /*
 *      MMX 3Dnow! helper operations
@@ -11,4 +11,4 @@ extern void *_mmx_memcpy(void *to, const void *from, size_t size);
 extern void mmx_clear_page(void *page);
 extern void mmx_copy_page(void *to, void *from);
-#endif
+#endif /* ASM_X86__MMX_H */
diff --git a/include/asm-x86/mmzone_32.h b/include/asm-x86/mmzone_32.h
index 5862e6460658..121b65d61d86 100644
--- a/include/asm-x86/mmzone_32.h
+++ b/include/asm-x86/mmzone_32.h
@@ -3,8 +3,8 @@
 *
 */
-#ifndef _ASM_MMZONE_H_
+#ifndef ASM_X86__MMZONE_32_H
-#define _ASM_MMZONE_H_
+#define ASM_X86__MMZONE_32_H
 #include <asm/smp.h>
@@ -131,4 +131,4 @@ static inline int pfn_valid(int pfn)
 })
 #endif /* CONFIG_NEED_MULTIPLE_NODES */
-#endif /* _ASM_MMZONE_H_ */
+#endif /* ASM_X86__MMZONE_32_H */
diff --git a/include/asm-x86/mmzone_64.h b/include/asm-x86/mmzone_64.h
index 594bd0dc1d08..626b03a14875 100644
--- a/include/asm-x86/mmzone_64.h
+++ b/include/asm-x86/mmzone_64.h
@@ -1,8 +1,8 @@
 /* K8 NUMA support */
 /* Copyright 2002,2003 by Andi Kleen, SuSE Labs */
 /* 2.5 Version loosely based on the NUMAQ Code by Pat Gaughen. */
-#ifndef _ASM_X86_64_MMZONE_H
+#ifndef ASM_X86__MMZONE_64_H
-#define _ASM_X86_64_MMZONE_H 1
+#define ASM_X86__MMZONE_64_H
 #ifdef CONFIG_NUMA
@@ -49,4 +49,4 @@ extern int early_pfn_to_nid(unsigned long pfn);
 #endif
 #endif
-#endif
+#endif /* ASM_X86__MMZONE_64_H */
diff --git a/include/asm-x86/module.h b/include/asm-x86/module.h
index bfedb247871c..48dc3e0c07d9 100644
--- a/include/asm-x86/module.h
+++ b/include/asm-x86/module.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_MODULE_H
+#ifndef ASM_X86__MODULE_H
-#define _ASM_MODULE_H
+#define ASM_X86__MODULE_H
 /* x86_32/64 are simple */
 struct mod_arch_specific {};
@@ -79,4 +79,4 @@ struct mod_arch_specific {};
 # define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY MODULE_STACKSIZE
 #endif
-#endif /* _ASM_MODULE_H */
+#endif /* ASM_X86__MODULE_H */
diff --git a/include/asm-x86/mpspec.h b/include/asm-x86/mpspec.h
index b6995e567fcc..118da365e371 100644
--- a/include/asm-x86/mpspec.h
+++ b/include/asm-x86/mpspec.h
@@ -1,5 +1,5 @@
-#ifndef _AM_X86_MPSPEC_H
+#ifndef ASM_X86__MPSPEC_H
-#define _AM_X86_MPSPEC_H
+#define ASM_X86__MPSPEC_H
 #include <linux/init.h>
@@ -141,4 +141,4 @@ static inline void physid_set_mask_of_physid(int physid, physid_mask_t *map)
 extern physid_mask_t phys_cpu_present_map;
-#endif
+#endif /* ASM_X86__MPSPEC_H */
diff --git a/include/asm-x86/mpspec_def.h b/include/asm-x86/mpspec_def.h
index 38d1e73b49e4..79166b048012 100644
--- a/include/asm-x86/mpspec_def.h
+++ b/include/asm-x86/mpspec_def.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MPSPEC_DEF_H
+#ifndef ASM_X86__MPSPEC_DEF_H
-#define __ASM_MPSPEC_DEF_H
+#define ASM_X86__MPSPEC_DEF_H
 /*
 * Structure definitions for SMP machines following the
@@ -177,4 +177,4 @@ enum mp_bustype {
        MP_BUS_PCI,
        MP_BUS_MCA,
 };
-#endif
+#endif /* ASM_X86__MPSPEC_DEF_H */
diff --git a/include/asm-x86/msgbuf.h b/include/asm-x86/msgbuf.h
index 7e4e9481f51c..1b538c907a3d 100644
--- a/include/asm-x86/msgbuf.h
+++ b/include/asm-x86/msgbuf.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MSGBUF_H
+#ifndef ASM_X86__MSGBUF_H
-#define _ASM_X86_MSGBUF_H
+#define ASM_X86__MSGBUF_H
 /*
 * The msqid64_ds structure for i386 architecture.
@@ -36,4 +36,4 @@ struct msqid64_ds {
        unsigned long  __unused5;
 };
-#endif /* _ASM_X86_MSGBUF_H */
+#endif /* ASM_X86__MSGBUF_H */
diff --git a/include/asm-x86/msidef.h b/include/asm-x86/msidef.h
index 296f29ce426d..3139666a94fa 100644
--- a/include/asm-x86/msidef.h
+++ b/include/asm-x86/msidef.h
@@ -1,5 +1,5 @@
-#ifndef ASM_MSIDEF_H
+#ifndef ASM_X86__MSIDEF_H
-#define ASM_MSIDEF_H
+#define ASM_X86__MSIDEF_H
 /*
 * Constants for Intel APIC based MSI messages.
@@ -48,4 +48,4 @@
 #define  MSI_ADDR_DEST_ID(dest)         (((dest) << MSI_ADDR_DEST_ID_SHIFT) & \
                                         MSI_ADDR_DEST_ID_MASK)
-#endif /* ASM_MSIDEF_H */
+#endif /* ASM_X86__MSIDEF_H */
diff --git a/include/asm-x86/msr-index.h b/include/asm-x86/msr-index.h
index 44bce773012e..3052f058ab06 100644
--- a/include/asm-x86/msr-index.h
+++ b/include/asm-x86/msr-index.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_MSR_INDEX_H
+#ifndef ASM_X86__MSR_INDEX_H
-#define __ASM_MSR_INDEX_H
+#define ASM_X86__MSR_INDEX_H
 /* CPU model specific register (MSR) numbers */
@@ -310,4 +310,4 @@
 /* Geode defined MSRs */
 #define MSR_GEODE_BUSCONT_CONF0         0x00001900
-#endif /* __ASM_MSR_INDEX_H */
+#endif /* ASM_X86__MSR_INDEX_H */
diff --git a/include/asm-x86/msr.h b/include/asm-x86/msr.h
index 2362cfda1fbc..530af1f6389e 100644
--- a/include/asm-x86/msr.h
+++ b/include/asm-x86/msr.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_X86_MSR_H_
+#ifndef ASM_X86__MSR_H
-#define __ASM_X86_MSR_H_
+#define ASM_X86__MSR_H
 #include <asm/msr-index.h>
@@ -63,6 +63,22 @@ static inline unsigned long long native_read_msr_safe(unsigned int msr,
        return EAX_EDX_VAL(val, low, high);
 }
+static inline unsigned long long native_read_msr_amd_safe(unsigned int msr,
+                                                      int *err)
+{
+        DECLARE_ARGS(val, low, high);
+        asm volatile("2: rdmsr ; xor %0,%0\n"
+                     "1:\n\t"
+                     ".section .fixup,\"ax\"\n\t"
+                     "3:  mov %3,%0 ; jmp 1b\n\t"
+                     ".previous\n\t"
+                     _ASM_EXTABLE(2b, 3b)
+                     : "=r" (*err), EAX_EDX_RET(val, low, high)
+                     : "c" (msr), "D" (0x9c5a203a), "i" (-EFAULT));
+        return EAX_EDX_VAL(val, low, high);
+}
 static inline void native_write_msr(unsigned int msr,
                                    unsigned low, unsigned high)
 {
@@ -158,6 +174,13 @@ static inline int rdmsrl_safe(unsigned msr, unsigned long long *p)
        *p = native_read_msr_safe(msr, &err);
        return err;
 }
+static inline int rdmsrl_amd_safe(unsigned msr, unsigned long long *p)
+{
+        int err;
+        *p = native_read_msr_amd_safe(msr, &err);
+        return err;
+}
 #define rdtscl(low)                                             \
        ((low) = (u32)native_read_tsc())
@@ -221,4 +244,4 @@ static inline int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
 #endif /* __KERNEL__ */
-#endif
+#endif /* ASM_X86__MSR_H */
diff --git a/include/asm-x86/mtrr.h b/include/asm-x86/mtrr.h
index a69a01a51729..23a7f83da953 100644
--- a/include/asm-x86/mtrr.h
+++ b/include/asm-x86/mtrr.h
@@ -20,8 +20,8 @@
    The postal address is:
      Richard Gooch, c/o ATNF, P. O. Box 76, Epping, N.S.W., 2121, Australia.
 */
-#ifndef _ASM_X86_MTRR_H
+#ifndef ASM_X86__MTRR_H
-#define _ASM_X86_MTRR_H
+#define ASM_X86__MTRR_H
 #include <linux/ioctl.h>
 #include <linux/errno.h>
@@ -170,4 +170,4 @@ struct mtrr_gentry32 {
 #endif /* __KERNEL__ */
-#endif  /*  _ASM_X86_MTRR_H  */
+#endif /* ASM_X86__MTRR_H */
diff --git a/include/asm-x86/mutex_32.h b/include/asm-x86/mutex_32.h
index 73e928ef5f03..25c16d8ba3c7 100644
--- a/include/asm-x86/mutex_32.h
+++ b/include/asm-x86/mutex_32.h
@@ -6,8 +6,8 @@
 *
 *  Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
 */
-#ifndef _ASM_MUTEX_H
+#ifndef ASM_X86__MUTEX_32_H
-#define _ASM_MUTEX_H
+#define ASM_X86__MUTEX_32_H
 #include <asm/alternative.h>
@@ -122,4 +122,4 @@ static inline int __mutex_fastpath_trylock(atomic_t *count,
 #endif
 }
-#endif
+#endif /* ASM_X86__MUTEX_32_H */
diff --git a/include/asm-x86/mutex_64.h b/include/asm-x86/mutex_64.h
index f3fae9becb38..918ba21ab9d9 100644
--- a/include/asm-x86/mutex_64.h
+++ b/include/asm-x86/mutex_64.h
@@ -6,8 +6,8 @@
 *
 *  Copyright (C) 2004, 2005, 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
 */
-#ifndef _ASM_MUTEX_H
+#ifndef ASM_X86__MUTEX_64_H
-#define _ASM_MUTEX_H
+#define ASM_X86__MUTEX_64_H
 /**
 * __mutex_fastpath_lock - decrement and call function if negative
@@ -97,4 +97,4 @@ static inline int __mutex_fastpath_trylock(atomic_t *count,
                return 0;
 }
-#endif
+#endif /* ASM_X86__MUTEX_64_H */
diff --git a/include/asm-x86/nmi.h b/include/asm-x86/nmi.h
index 21f8d0202a82..d5e715f024dc 100644
--- a/include/asm-x86/nmi.h
+++ b/include/asm-x86/nmi.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_NMI_H_
+#ifndef ASM_X86__NMI_H
-#define _ASM_X86_NMI_H_
+#define ASM_X86__NMI_H
 #include <linux/pm.h>
 #include <asm/irq.h>
@@ -34,6 +34,7 @@ extern void stop_apic_nmi_watchdog(void *);
 extern void disable_timer_nmi_watchdog(void);
 extern void enable_timer_nmi_watchdog(void);
 extern int nmi_watchdog_tick(struct pt_regs *regs, unsigned reason);
+extern void cpu_nmi_set_wd_enabled(void);
 extern atomic_t nmi_active;
 extern unsigned int nmi_watchdog;
@@ -81,4 +82,4 @@ void enable_lapic_nmi_watchdog(void);
 void stop_nmi(void);
 void restart_nmi(void);
-#endif
+#endif /* ASM_X86__NMI_H */
diff --git a/include/asm-x86/nops.h b/include/asm-x86/nops.h
index ad0bedd10b89..ae742721ae73 100644
--- a/include/asm-x86/nops.h
+++ b/include/asm-x86/nops.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_NOPS_H
+#ifndef ASM_X86__NOPS_H
-#define _ASM_NOPS_H 1
+#define ASM_X86__NOPS_H
 /* Define nops for use with alternative() */
@@ -115,4 +115,4 @@
 #define ASM_NOP_MAX 8
-#endif
+#endif /* ASM_X86__NOPS_H */
diff --git a/include/asm-x86/numa_32.h b/include/asm-x86/numa_32.h
index 220d7b7707a0..44cb07855c5b 100644
--- a/include/asm-x86/numa_32.h
+++ b/include/asm-x86/numa_32.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_32_NUMA_H
+#ifndef ASM_X86__NUMA_32_H
-#define _ASM_X86_32_NUMA_H 1
+#define ASM_X86__NUMA_32_H
 extern int pxm_to_nid(int pxm);
 extern void numa_remove_cpu(int cpu);
@@ -8,4 +8,4 @@ extern void numa_remove_cpu(int cpu);
 extern void set_highmem_pages_init(void);
 #endif
-#endif /* _ASM_X86_32_NUMA_H */
+#endif /* ASM_X86__NUMA_32_H */
diff --git a/include/asm-x86/numa_64.h b/include/asm-x86/numa_64.h
index 3830094434a9..15c990395b02 100644
--- a/include/asm-x86/numa_64.h
+++ b/include/asm-x86/numa_64.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X8664_NUMA_H
+#ifndef ASM_X86__NUMA_64_H
-#define _ASM_X8664_NUMA_H 1
+#define ASM_X86__NUMA_64_H
 #include <linux/nodemask.h>
 #include <asm/apicdef.h>
@@ -40,4 +40,4 @@ static inline void numa_add_cpu(int cpu, int node)	{ }
 static inline void numa_remove_cpu(int cpu)             { }
 #endif
-#endif
+#endif /* ASM_X86__NUMA_64_H */
diff --git a/include/asm-x86/numaq.h b/include/asm-x86/numaq.h
index 34b92d581fa3..124bf7d4b70a 100644
--- a/include/asm-x86/numaq.h
+++ b/include/asm-x86/numaq.h
@@ -23,8 +23,8 @@
 * Send feedback to <gone@us.ibm.com>
 */
-#ifndef NUMAQ_H
+#ifndef ASM_X86__NUMAQ_H
-#define NUMAQ_H
+#define ASM_X86__NUMAQ_H
 #ifdef CONFIG_X86_NUMAQ
@@ -165,5 +165,5 @@ static inline int get_memcfg_numaq(void)
        return 0;
 }
 #endif /* CONFIG_X86_NUMAQ */
-#endif /* NUMAQ_H */
+#endif /* ASM_X86__NUMAQ_H */
diff --git a/include/asm-x86/olpc.h b/include/asm-x86/olpc.h
index 97d47133486f..d7328b1a05c1 100644
--- a/include/asm-x86/olpc.h
+++ b/include/asm-x86/olpc.h
@@ -1,7 +1,7 @@
 /* OLPC machine specific definitions */
-#ifndef ASM_OLPC_H_
+#ifndef ASM_X86__OLPC_H
-#define ASM_OLPC_H_
+#define ASM_X86__OLPC_H
 #include <asm/geode.h>
@@ -129,4 +129,4 @@ extern int olpc_ec_mask_unset(uint8_t bits);
 #define OLPC_GPIO_LID           geode_gpio(26)
 #define OLPC_GPIO_ECSCI         geode_gpio(27)
-#endif
+#endif /* ASM_X86__OLPC_H */
diff --git a/include/asm-x86/page.h b/include/asm-x86/page.h
index 49982110e4d9..79544e6ffb8b 100644
--- a/include/asm-x86/page.h
+++ b/include/asm-x86/page.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_PAGE_H
+#ifndef ASM_X86__PAGE_H
-#define _ASM_X86_PAGE_H
+#define ASM_X86__PAGE_H
 #include <linux/const.h>
@@ -199,4 +199,4 @@ static inline pteval_t native_pte_flags(pte_t pte)
 #define __HAVE_ARCH_GATE_AREA 1
 #endif  /* __KERNEL__ */
-#endif  /* _ASM_X86_PAGE_H */
+#endif /* ASM_X86__PAGE_H */
diff --git a/include/asm-x86/page_32.h b/include/asm-x86/page_32.h
index ab8528793f08..72f7305682c6 100644
--- a/include/asm-x86/page_32.h
+++ b/include/asm-x86/page_32.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_PAGE_32_H
+#ifndef ASM_X86__PAGE_32_H
-#define _ASM_X86_PAGE_32_H
+#define ASM_X86__PAGE_32_H
 /*
 * This handles the memory map.
@@ -89,13 +89,11 @@ extern int nx_enabled;
 extern unsigned int __VMALLOC_RESERVE;
 extern int sysctl_legacy_va_layout;
-#define VMALLOC_RESERVE         ((unsigned long)__VMALLOC_RESERVE)
-#define MAXMEM                  (-__PAGE_OFFSET - __VMALLOC_RESERVE)
 extern void find_low_pfn_range(void);
 extern unsigned long init_memory_mapping(unsigned long start,
                                         unsigned long end);
 extern void initmem_init(unsigned long, unsigned long);
+extern void free_initmem(void);
 extern void setup_bootmem_allocator(void);
@@ -126,4 +124,4 @@ static inline void copy_page(void *to, void *from)
 #endif  /* CONFIG_X86_3DNOW */
 #endif  /* !__ASSEMBLY__ */
-#endif /* _ASM_X86_PAGE_32_H */
+#endif /* ASM_X86__PAGE_32_H */
diff --git a/include/asm-x86/page_64.h b/include/asm-x86/page_64.h
index c6916c83e6b1..5e64acfed0a4 100644
--- a/include/asm-x86/page_64.h
+++ b/include/asm-x86/page_64.h
@@ -1,5 +1,5 @@
-#ifndef _X86_64_PAGE_H
+#ifndef ASM_X86__PAGE_64_H
-#define _X86_64_PAGE_H
+#define ASM_X86__PAGE_64_H
 #define PAGETABLE_LEVELS        4
@@ -91,6 +91,7 @@ extern unsigned long init_memory_mapping(unsigned long start,
                                         unsigned long end);
 extern void initmem_init(unsigned long start_pfn, unsigned long end_pfn);
+extern void free_initmem(void);
 extern void init_extra_mapping_uc(unsigned long phys, unsigned long size);
 extern void init_extra_mapping_wb(unsigned long phys, unsigned long size);
@@ -102,4 +103,4 @@ extern void init_extra_mapping_wb(unsigned long phys, unsigned long size);
 #endif
-#endif /* _X86_64_PAGE_H */
+#endif /* ASM_X86__PAGE_64_H */
diff --git a/include/asm-x86/param.h b/include/asm-x86/param.h
index 6f0d0422f4ca..0009cfb11a5f 100644
--- a/include/asm-x86/param.h
+++ b/include/asm-x86/param.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_PARAM_H
+#ifndef ASM_X86__PARAM_H
-#define _ASM_X86_PARAM_H
+#define ASM_X86__PARAM_H
 #ifdef __KERNEL__
 # define HZ             CONFIG_HZ       /* Internal kernel timer frequency */
@@ -19,4 +19,4 @@
 #define MAXHOSTNAMELEN  64      /* max length of hostname */
-#endif /* _ASM_X86_PARAM_H */
+#endif /* ASM_X86__PARAM_H */
diff --git a/include/asm-x86/paravirt.h b/include/asm-x86/paravirt.h
index fbbde93f12d6..891971f57d35 100644
--- a/include/asm-x86/paravirt.h
+++ b/include/asm-x86/paravirt.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_PARAVIRT_H
+#ifndef ASM_X86__PARAVIRT_H
-#define __ASM_PARAVIRT_H
+#define ASM_X86__PARAVIRT_H
 /* Various instructions on x86 need to be replaced for
 * para-virtualization: those hooks are defined here. */
@@ -137,6 +137,7 @@ struct pv_cpu_ops {
        /* MSR, PMC and TSR operations.
           err = 0/-EFAULT.  wrmsr returns 0/-EFAULT. */
+        u64 (*read_msr_amd)(unsigned int msr, int *err);
        u64 (*read_msr)(unsigned int msr, int *err);
        int (*write_msr)(unsigned int msr, unsigned low, unsigned high);
@@ -257,13 +258,13 @@ struct pv_mmu_ops {
         * Hooks for allocating/releasing pagetable pages when they're
         * attached to a pagetable
         */
-        void (*alloc_pte)(struct mm_struct *mm, u32 pfn);
+        void (*alloc_pte)(struct mm_struct *mm, unsigned long pfn);
-        void (*alloc_pmd)(struct mm_struct *mm, u32 pfn);
+        void (*alloc_pmd)(struct mm_struct *mm, unsigned long pfn);
-        void (*alloc_pmd_clone)(u32 pfn, u32 clonepfn, u32 start, u32 count);
+        void (*alloc_pmd_clone)(unsigned long pfn, unsigned long clonepfn, unsigned long start, unsigned long count);
-        void (*alloc_pud)(struct mm_struct *mm, u32 pfn);
+        void (*alloc_pud)(struct mm_struct *mm, unsigned long pfn);
-        void (*release_pte)(u32 pfn);
+        void (*release_pte)(unsigned long pfn);
-        void (*release_pmd)(u32 pfn);
+        void (*release_pmd)(unsigned long pfn);
-        void (*release_pud)(u32 pfn);
+        void (*release_pud)(unsigned long pfn);
        /* Pagetable manipulation functions */
        void (*set_pte)(pte_t *ptep, pte_t pteval);
@@ -726,6 +727,10 @@ static inline u64 paravirt_read_msr(unsigned msr, int *err)
 {
        return PVOP_CALL2(u64, pv_cpu_ops.read_msr, msr, err);
 }
+static inline u64 paravirt_read_msr_amd(unsigned msr, int *err)
+{
+        return PVOP_CALL2(u64, pv_cpu_ops.read_msr_amd, msr, err);
+}
 static inline int paravirt_write_msr(unsigned msr, unsigned low, unsigned high)
 {
        return PVOP_CALL3(int, pv_cpu_ops.write_msr, msr, low, high);
@@ -771,6 +776,13 @@ static inline int rdmsrl_safe(unsigned msr, unsigned long long *p)
        *p = paravirt_read_msr(msr, &err);
        return err;
 }
+static inline int rdmsrl_amd_safe(unsigned msr, unsigned long long *p)
+{
+        int err;
+        *p = paravirt_read_msr_amd(msr, &err);
+        return err;
+}
 static inline u64 paravirt_read_tsc(void)
 {
@@ -993,35 +1005,35 @@ static inline void paravirt_pgd_free(struct mm_struct *mm, pgd_t *pgd)
        PVOP_VCALL2(pv_mmu_ops.pgd_free, mm, pgd);
 }
-static inline void paravirt_alloc_pte(struct mm_struct *mm, unsigned pfn)
+static inline void paravirt_alloc_pte(struct mm_struct *mm, unsigned long pfn)
 {
        PVOP_VCALL2(pv_mmu_ops.alloc_pte, mm, pfn);
 }
-static inline void paravirt_release_pte(unsigned pfn)
+static inline void paravirt_release_pte(unsigned long pfn)
 {
        PVOP_VCALL1(pv_mmu_ops.release_pte, pfn);
 }
-static inline void paravirt_alloc_pmd(struct mm_struct *mm, unsigned pfn)
+static inline void paravirt_alloc_pmd(struct mm_struct *mm, unsigned long pfn)
 {
        PVOP_VCALL2(pv_mmu_ops.alloc_pmd, mm, pfn);
 }
-static inline void paravirt_alloc_pmd_clone(unsigned pfn, unsigned clonepfn,
+static inline void paravirt_alloc_pmd_clone(unsigned long pfn, unsigned long clonepfn,
-                                            unsigned start, unsigned count)
+                                            unsigned long start, unsigned long count)
 {
        PVOP_VCALL4(pv_mmu_ops.alloc_pmd_clone, pfn, clonepfn, start, count);
 }
-static inline void paravirt_release_pmd(unsigned pfn)
+static inline void paravirt_release_pmd(unsigned long pfn)
 {
        PVOP_VCALL1(pv_mmu_ops.release_pmd, pfn);
 }
-static inline void paravirt_alloc_pud(struct mm_struct *mm, unsigned pfn)
+static inline void paravirt_alloc_pud(struct mm_struct *mm, unsigned long pfn)
 {
        PVOP_VCALL2(pv_mmu_ops.alloc_pud, mm, pfn);
 }
-static inline void paravirt_release_pud(unsigned pfn)
+static inline void paravirt_release_pud(unsigned long pfn)
 {
        PVOP_VCALL1(pv_mmu_ops.release_pud, pfn);
 }
@@ -1634,4 +1646,4 @@ static inline unsigned long __raw_local_irq_save(void)
 #endif /* __ASSEMBLY__ */
 #endif /* CONFIG_PARAVIRT */
-#endif  /* __ASM_PARAVIRT_H */
+#endif /* ASM_X86__PARAVIRT_H */
diff --git a/include/asm-x86/parport.h b/include/asm-x86/parport.h
index 3c4ffeb467e9..2e3dda4dc3d9 100644
--- a/include/asm-x86/parport.h
+++ b/include/asm-x86/parport.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_PARPORT_H
+#ifndef ASM_X86__PARPORT_H
-#define _ASM_X86_PARPORT_H
+#define ASM_X86__PARPORT_H
 static int __devinit parport_pc_find_isa_ports(int autoirq, int autodma);
 static int __devinit parport_pc_find_nonpci_ports(int autoirq, int autodma)
@@ -7,4 +7,4 @@ static int __devinit parport_pc_find_nonpci_ports(int autoirq, int autodma)
        return parport_pc_find_isa_ports(autoirq, autodma);
 }
-#endif /* _ASM_X86_PARPORT_H */
+#endif /* ASM_X86__PARPORT_H */
diff --git a/include/asm-x86/pat.h b/include/asm-x86/pat.h
index 7edc47307217..482c3e3f9879 100644
--- a/include/asm-x86/pat.h
+++ b/include/asm-x86/pat.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_PAT_H
+#ifndef ASM_X86__PAT_H
-#define _ASM_PAT_H
+#define ASM_X86__PAT_H
 #include <linux/types.h>
@@ -19,4 +19,4 @@ extern int free_memtype(u64 start, u64 end);
 extern void pat_disable(char *reason);
-#endif
+#endif /* ASM_X86__PAT_H */
diff --git a/include/asm-x86/pci-direct.h b/include/asm-x86/pci-direct.h
index 80c775d9fe20..da42be07b690 100644
--- a/include/asm-x86/pci-direct.h
+++ b/include/asm-x86/pci-direct.h
@@ -1,5 +1,5 @@
-#ifndef ASM_PCI_DIRECT_H
+#ifndef ASM_X86__PCI_DIRECT_H
-#define ASM_PCI_DIRECT_H 1
+#define ASM_X86__PCI_DIRECT_H
 #include <linux/types.h>
@@ -18,4 +18,4 @@ extern int early_pci_allowed(void);
 extern unsigned int pci_early_dump_regs;
 extern void early_dump_pci_device(u8 bus, u8 slot, u8 func);
 extern void early_dump_pci_devices(void);
-#endif
+#endif /* ASM_X86__PCI_DIRECT_H */
diff --git a/include/asm-x86/pci.h b/include/asm-x86/pci.h
index 2db14cf17db8..602583192991 100644
--- a/include/asm-x86/pci.h
+++ b/include/asm-x86/pci.h
@@ -1,5 +1,5 @@
-#ifndef __x86_PCI_H
+#ifndef ASM_X86__PCI_H
-#define __x86_PCI_H
+#define ASM_X86__PCI_H
 #include <linux/mm.h> /* for struct page */
 #include <linux/types.h>
@@ -111,4 +111,4 @@ static inline cpumask_t __pcibus_to_cpumask(struct pci_bus *bus)
 }
 #endif
-#endif
+#endif /* ASM_X86__PCI_H */
diff --git a/include/asm-x86/pci_32.h b/include/asm-x86/pci_32.h
index a50d46851285..3f2288207c0c 100644
--- a/include/asm-x86/pci_32.h
+++ b/include/asm-x86/pci_32.h
@@ -1,5 +1,5 @@
-#ifndef __i386_PCI_H
+#ifndef ASM_X86__PCI_32_H
-#define __i386_PCI_H
+#define ASM_X86__PCI_32_H
 #ifdef __KERNEL__
@@ -31,4 +31,4 @@ struct pci_dev;
 #endif /* __KERNEL__ */
-#endif /* __i386_PCI_H */
+#endif /* ASM_X86__PCI_32_H */
diff --git a/include/asm-x86/pci_64.h b/include/asm-x86/pci_64.h
index f330234ffa5c..f72e12d5770e 100644
--- a/include/asm-x86/pci_64.h
+++ b/include/asm-x86/pci_64.h
@@ -1,5 +1,5 @@
-#ifndef __x8664_PCI_H
+#ifndef ASM_X86__PCI_64_H
-#define __x8664_PCI_H
+#define ASM_X86__PCI_64_H
 #ifdef __KERNEL__
@@ -63,4 +63,4 @@ extern void pci_iommu_alloc(void);
 #endif /* __KERNEL__ */
-#endif /* __x8664_PCI_H */
+#endif /* ASM_X86__PCI_64_H */
diff --git a/include/asm-x86/pda.h b/include/asm-x86/pda.h
index b34e9a7cc80b..80860afffbdb 100644
--- a/include/asm-x86/pda.h
+++ b/include/asm-x86/pda.h
@@ -1,5 +1,5 @@
-#ifndef X86_64_PDA_H
+#ifndef ASM_X86__PDA_H
-#define X86_64_PDA_H
+#define ASM_X86__PDA_H
 #ifndef __ASSEMBLY__
 #include <linux/stddef.h>
@@ -134,4 +134,4 @@ do {									\
 #define PDA_STACKOFFSET (5*8)
-#endif
+#endif /* ASM_X86__PDA_H */
diff --git a/include/asm-x86/percpu.h b/include/asm-x86/percpu.h
index f643a3a92da0..e10a1d0678cf 100644
--- a/include/asm-x86/percpu.h
+++ b/include/asm-x86/percpu.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_PERCPU_H_
+#ifndef ASM_X86__PERCPU_H
-#define _ASM_X86_PERCPU_H_
+#define ASM_X86__PERCPU_H
 #ifdef CONFIG_X86_64
 #include <linux/compiler.h>
@@ -215,4 +215,4 @@ do {							\
 #endif  /* !CONFIG_SMP */
-#endif /* _ASM_X86_PERCPU_H_ */
+#endif /* ASM_X86__PERCPU_H */
diff --git a/include/asm-x86/pgalloc.h b/include/asm-x86/pgalloc.h
index d63ea431cb3b..3cd23adedae8 100644
--- a/include/asm-x86/pgalloc.h
+++ b/include/asm-x86/pgalloc.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_PGALLOC_H
+#ifndef ASM_X86__PGALLOC_H
-#define _ASM_X86_PGALLOC_H
+#define ASM_X86__PGALLOC_H
 #include <linux/threads.h>
 #include <linux/mm.h>           /* for struct page */
@@ -111,4 +111,4 @@ extern void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud);
 #endif  /* PAGETABLE_LEVELS > 3 */
 #endif  /* PAGETABLE_LEVELS > 2 */
-#endif  /* _ASM_X86_PGALLOC_H */
+#endif /* ASM_X86__PGALLOC_H */
diff --git a/include/asm-x86/pgtable-2level-defs.h b/include/asm-x86/pgtable-2level-defs.h
index 0f71c9f13da4..7ec48f4e5347 100644
--- a/include/asm-x86/pgtable-2level-defs.h
+++ b/include/asm-x86/pgtable-2level-defs.h
@@ -1,5 +1,5 @@
-#ifndef _I386_PGTABLE_2LEVEL_DEFS_H
+#ifndef ASM_X86__PGTABLE_2LEVEL_DEFS_H
-#define _I386_PGTABLE_2LEVEL_DEFS_H
+#define ASM_X86__PGTABLE_2LEVEL_DEFS_H
 #define SHARED_KERNEL_PMD       0
@@ -17,4 +17,4 @@
 #define PTRS_PER_PTE    1024
-#endif /* _I386_PGTABLE_2LEVEL_DEFS_H */
+#endif /* ASM_X86__PGTABLE_2LEVEL_DEFS_H */
diff --git a/include/asm-x86/pgtable-2level.h b/include/asm-x86/pgtable-2level.h
index 46bc52c0eae1..81762081dcd8 100644
--- a/include/asm-x86/pgtable-2level.h
+++ b/include/asm-x86/pgtable-2level.h
@@ -1,5 +1,5 @@
-#ifndef _I386_PGTABLE_2LEVEL_H
+#ifndef ASM_X86__PGTABLE_2LEVEL_H
-#define _I386_PGTABLE_2LEVEL_H
+#define ASM_X86__PGTABLE_2LEVEL_H
 #define pte_ERROR(e) \
        printk("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, (e).pte_low)
@@ -53,9 +53,7 @@ static inline pte_t native_ptep_get_and_clear(pte_t *xp)
 #define native_ptep_get_and_clear(xp) native_local_ptep_get_and_clear(xp)
 #endif
-#define pte_page(x)             pfn_to_page(pte_pfn(x))
 #define pte_none(x)             (!(x).pte_low)
-#define pte_pfn(x)              (pte_val(x) >> PAGE_SHIFT)
 /*
 * Bits 0, 6 and 7 are taken, split up the 29 bits of offset
@@ -78,4 +76,4 @@ static inline pte_t native_ptep_get_and_clear(pte_t *xp)
 #define __pte_to_swp_entry(pte)         ((swp_entry_t) { (pte).pte_low })
 #define __swp_entry_to_pte(x)           ((pte_t) { .pte = (x).val })
-#endif /* _I386_PGTABLE_2LEVEL_H */
+#endif /* ASM_X86__PGTABLE_2LEVEL_H */
diff --git a/include/asm-x86/pgtable-3level-defs.h b/include/asm-x86/pgtable-3level-defs.h
index 448ac9516314..c05fe6ff3720 100644
--- a/include/asm-x86/pgtable-3level-defs.h
+++ b/include/asm-x86/pgtable-3level-defs.h
@@ -1,5 +1,5 @@
-#ifndef _I386_PGTABLE_3LEVEL_DEFS_H
+#ifndef ASM_X86__PGTABLE_3LEVEL_DEFS_H
-#define _I386_PGTABLE_3LEVEL_DEFS_H
+#define ASM_X86__PGTABLE_3LEVEL_DEFS_H
 #ifdef CONFIG_PARAVIRT
 #define SHARED_KERNEL_PMD       (pv_info.shared_kernel_pmd)
@@ -25,4 +25,4 @@
 */
 #define PTRS_PER_PTE    512
-#endif /* _I386_PGTABLE_3LEVEL_DEFS_H */
+#endif /* ASM_X86__PGTABLE_3LEVEL_DEFS_H */
diff --git a/include/asm-x86/pgtable-3level.h b/include/asm-x86/pgtable-3level.h
index 105057f34032..75f4276b5ddb 100644
--- a/include/asm-x86/pgtable-3level.h
+++ b/include/asm-x86/pgtable-3level.h
@@ -1,5 +1,5 @@
-#ifndef _I386_PGTABLE_3LEVEL_H
+#ifndef ASM_X86__PGTABLE_3LEVEL_H
-#define _I386_PGTABLE_3LEVEL_H
+#define ASM_X86__PGTABLE_3LEVEL_H
 /*
 * Intel Physical Address Extension (PAE) Mode - three-level page
@@ -151,18 +151,11 @@ static inline int pte_same(pte_t a, pte_t b)
        return a.pte_low == b.pte_low && a.pte_high == b.pte_high;
 }
-#define pte_page(x)     pfn_to_page(pte_pfn(x))
 static inline int pte_none(pte_t pte)
 {
        return !pte.pte_low && !pte.pte_high;
 }
-static inline unsigned long pte_pfn(pte_t pte)
-{
-        return (pte_val(pte) & PTE_PFN_MASK) >> PAGE_SHIFT;
-}
 /*
 * Bits 0, 6 and 7 are taken in the low part of the pte,
 * put the 32 bits of offset into the high part.
@@ -179,4 +172,4 @@ static inline unsigned long pte_pfn(pte_t pte)
 #define __pte_to_swp_entry(pte)         ((swp_entry_t){ (pte).pte_high })
 #define __swp_entry_to_pte(x)           ((pte_t){ { .pte_high = (x).val } })
-#endif /* _I386_PGTABLE_3LEVEL_H */
+#endif /* ASM_X86__PGTABLE_3LEVEL_H */
diff --git a/include/asm-x86/pgtable.h b/include/asm-x86/pgtable.h
index 04caa2f544df..888add7b0882 100644
--- a/include/asm-x86/pgtable.h
+++ b/include/asm-x86/pgtable.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_PGTABLE_H
+#ifndef ASM_X86__PGTABLE_H
-#define _ASM_X86_PGTABLE_H
+#define ASM_X86__PGTABLE_H
 #define FIRST_USER_ADDRESS      0
@@ -186,6 +186,13 @@ static inline int pte_special(pte_t pte)
        return pte_val(pte) & _PAGE_SPECIAL;
 }
+static inline unsigned long pte_pfn(pte_t pte)
+{
+        return (pte_val(pte) & PTE_PFN_MASK) >> PAGE_SHIFT;
+}
+#define pte_page(pte)   pfn_to_page(pte_pfn(pte))
 static inline int pmd_large(pmd_t pte)
 {
        return (pmd_val(pte) & (_PAGE_PSE | _PAGE_PRESENT)) ==
@@ -313,6 +320,8 @@ static inline void native_pagetable_setup_start(pgd_t *base) {}
 static inline void native_pagetable_setup_done(pgd_t *base) {}
 #endif
+extern int arch_report_meminfo(char *page);
 #ifdef CONFIG_PARAVIRT
 #include <asm/paravirt.h>
 #else  /* !CONFIG_PARAVIRT */
@@ -521,4 +530,4 @@ static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count)
 #include <asm-generic/pgtable.h>
 #endif  /* __ASSEMBLY__ */
-#endif  /* _ASM_X86_PGTABLE_H */
+#endif /* ASM_X86__PGTABLE_H */
diff --git a/include/asm-x86/pgtable_32.h b/include/asm-x86/pgtable_32.h
index 5c3b26567a95..8de702dc7d62 100644
--- a/include/asm-x86/pgtable_32.h
+++ b/include/asm-x86/pgtable_32.h
@@ -1,5 +1,5 @@
-#ifndef _I386_PGTABLE_H
+#ifndef ASM_X86__PGTABLE_32_H
-#define _I386_PGTABLE_H
+#define ASM_X86__PGTABLE_32_H
 /*
@@ -31,6 +31,7 @@ static inline void pgtable_cache_init(void) { }
 static inline void check_pgt_cache(void) { }
 void paging_init(void);
+extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t);
 /*
 * The Linux x86 paging architecture is 'compile-time dual-mode', it
@@ -56,8 +57,7 @@ void paging_init(void);
 * area for the same reason. ;)
 */
 #define VMALLOC_OFFSET  (8 * 1024 * 1024)
-#define VMALLOC_START   (((unsigned long)high_memory + 2 * VMALLOC_OFFSET - 1) \
+#define VMALLOC_START   ((unsigned long)high_memory + VMALLOC_OFFSET)
-                         & ~(VMALLOC_OFFSET - 1))
 #ifdef CONFIG_X86_PAE
 #define LAST_PKMAP 512
 #else
@@ -73,6 +73,8 @@ void paging_init(void);
 # define VMALLOC_END    (FIXADDR_START - 2 * PAGE_SIZE)
 #endif
+#define MAXMEM  (VMALLOC_END - PAGE_OFFSET - __VMALLOC_RESERVE)
 /*
 * Define this if things work differently on an i386 and an i486:
 * it will (on an i486) warn about kernel memory accesses that are
@@ -186,4 +188,4 @@ do {						\
 #define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
        remap_pfn_range(vma, vaddr, pfn, size, prot)
-#endif /* _I386_PGTABLE_H */
+#endif /* ASM_X86__PGTABLE_32_H */
diff --git a/include/asm-x86/pgtable_64.h b/include/asm-x86/pgtable_64.h
index 549144d03d99..fde9770e53d1 100644
--- a/include/asm-x86/pgtable_64.h
+++ b/include/asm-x86/pgtable_64.h
@@ -1,5 +1,5 @@
-#ifndef _X86_64_PGTABLE_H
+#ifndef ASM_X86__PGTABLE_64_H
-#define _X86_64_PGTABLE_H
+#define ASM_X86__PGTABLE_64_H
 #include <linux/const.h>
 #ifndef __ASSEMBLY__
@@ -175,8 +175,6 @@ static inline int pmd_bad(pmd_t pmd)
 #define pte_present(x)  (pte_val((x)) & (_PAGE_PRESENT | _PAGE_PROTNONE))
 #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)) & __PHYSICAL_MASK) >> PAGE_SHIFT)
 /*
 * Macro to mark a page protection value as "uncacheable".
@@ -284,4 +282,4 @@ extern void cleanup_highmap(void);
 #define __HAVE_ARCH_PTE_SAME
 #endif /* !__ASSEMBLY__ */
-#endif /* _X86_64_PGTABLE_H */
+#endif /* ASM_X86__PGTABLE_64_H */
diff --git a/include/asm-x86/posix_types_32.h b/include/asm-x86/posix_types_32.h
index b031efda37ec..70cf2bb05939 100644
--- a/include/asm-x86/posix_types_32.h
+++ b/include/asm-x86/posix_types_32.h
@@ -1,5 +1,5 @@
-#ifndef __ARCH_I386_POSIX_TYPES_H
+#ifndef ASM_X86__POSIX_TYPES_32_H
-#define __ARCH_I386_POSIX_TYPES_H
+#define ASM_X86__POSIX_TYPES_32_H
 /*
 * This file is generally used by user-level software, so you need to
@@ -82,4 +82,4 @@ do {								\
 #endif /* defined(__KERNEL__) */
-#endif
+#endif /* ASM_X86__POSIX_TYPES_32_H */
diff --git a/include/asm-x86/posix_types_64.h b/include/asm-x86/posix_types_64.h
index d6624c95854a..388b4e7f4a44 100644
--- a/include/asm-x86/posix_types_64.h
+++ b/include/asm-x86/posix_types_64.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_64_POSIX_TYPES_H
+#ifndef ASM_X86__POSIX_TYPES_64_H
-#define _ASM_X86_64_POSIX_TYPES_H
+#define ASM_X86__POSIX_TYPES_64_H
 /*
 * This file is generally used by user-level software, so you need to
@@ -116,4 +116,4 @@ static inline void __FD_ZERO(__kernel_fd_set *p)
 #endif /* defined(__KERNEL__) */
-#endif
+#endif /* ASM_X86__POSIX_TYPES_64_H */
diff --git a/include/asm-x86/prctl.h b/include/asm-x86/prctl.h
index 52952adef1ca..e7ae34eb4103 100644
--- a/include/asm-x86/prctl.h
+++ b/include/asm-x86/prctl.h
@@ -1,5 +1,5 @@
-#ifndef X86_64_PRCTL_H
+#ifndef ASM_X86__PRCTL_H
-#define X86_64_PRCTL_H 1
+#define ASM_X86__PRCTL_H
 #define ARCH_SET_GS 0x1001
 #define ARCH_SET_FS 0x1002
@@ -7,4 +7,4 @@
 #define ARCH_GET_GS 0x1004
-#endif
+#endif /* ASM_X86__PRCTL_H */
diff --git a/include/asm-x86/processor-flags.h b/include/asm-x86/processor-flags.h
index eff2ecd7fff0..5dd79774f693 100644
--- a/include/asm-x86/processor-flags.h
+++ b/include/asm-x86/processor-flags.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_I386_PROCESSOR_FLAGS_H
+#ifndef ASM_X86__PROCESSOR_FLAGS_H
-#define __ASM_I386_PROCESSOR_FLAGS_H
+#define ASM_X86__PROCESSOR_FLAGS_H
 /* Various flags defined: can be included from assembler. */
 /*
@@ -96,4 +96,4 @@
 #endif
 #endif
-#endif  /* __ASM_I386_PROCESSOR_FLAGS_H */
+#endif /* ASM_X86__PROCESSOR_FLAGS_H */
diff --git a/include/asm-x86/processor.h b/include/asm-x86/processor.h
index 4df3e2f6fb56..5eaf9bf0a623 100644
--- a/include/asm-x86/processor.h
+++ b/include/asm-x86/processor.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_X86_PROCESSOR_H
+#ifndef ASM_X86__PROCESSOR_H
-#define __ASM_X86_PROCESSOR_H
+#define ASM_X86__PROCESSOR_H
 #include <asm/processor-flags.h>
@@ -20,6 +20,7 @@ struct mm_struct;
 #include <asm/msr.h>
 #include <asm/desc_defs.h>
 #include <asm/nops.h>
+#include <asm/ds.h>
 #include <linux/personality.h>
 #include <linux/cpumask.h>
@@ -140,6 +141,8 @@ DECLARE_PER_CPU(struct cpuinfo_x86, cpu_info);
 #define current_cpu_data        boot_cpu_data
 #endif
+extern const struct seq_operations cpuinfo_op;
 static inline int hlt_works(int cpu)
 {
 #ifdef CONFIG_X86_32
@@ -153,6 +156,8 @@ static inline int hlt_works(int cpu)
 extern void cpu_detect(struct cpuinfo_x86 *c);
+extern struct pt_regs *idle_regs(struct pt_regs *);
 extern void early_cpu_init(void);
 extern void identify_boot_cpu(void);
 extern void identify_secondary_cpu(struct cpuinfo_x86 *);
@@ -411,9 +416,14 @@ struct thread_struct {
        unsigned                io_bitmap_max;
 /* MSR_IA32_DEBUGCTLMSR value to switch in if TIF_DEBUGCTLMSR is set.  */
        unsigned long   debugctlmsr;
-/* Debug Store - if not 0 points to a DS Save Area configuration;
+#ifdef CONFIG_X86_DS
- *               goes into MSR_IA32_DS_AREA */
+/* Debug Store context; see include/asm-x86/ds.h; goes into MSR_IA32_DS_AREA */
-        unsigned long   ds_area_msr;
+        struct ds_context       *ds_ctx;
+#endif /* CONFIG_X86_DS */
+#ifdef CONFIG_X86_PTRACE_BTS
+/* the signal to send on a bts buffer overflow */
+        unsigned int    bts_ovfl_signal;
+#endif /* CONFIG_X86_PTRACE_BTS */
 };
 static inline unsigned long native_get_debugreg(int regno)
@@ -943,4 +953,4 @@ extern void start_thread(struct pt_regs *regs, unsigned long new_ip,
 extern int get_tsc_mode(unsigned long adr);
 extern int set_tsc_mode(unsigned int val);
-#endif
+#endif /* ASM_X86__PROCESSOR_H */
diff --git a/include/asm-x86/proto.h b/include/asm-x86/proto.h
index 3dd458c385c0..6e89e8b4de0e 100644
--- a/include/asm-x86/proto.h
+++ b/include/asm-x86/proto.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X8664_PROTO_H
+#ifndef ASM_X86__PROTO_H
-#define _ASM_X8664_PROTO_H 1
+#define ASM_X86__PROTO_H
 #include <asm/ldt.h>
@@ -29,4 +29,4 @@ long do_arch_prctl(struct task_struct *task, int code, unsigned long addr);
 #define round_up(x, y) (((x) + (y) - 1) & ~((y) - 1))
 #define round_down(x, y) ((x) & ~((y) - 1))
-#endif
+#endif /* ASM_X86__PROTO_H */
diff --git a/include/asm-x86/ptrace-abi.h b/include/asm-x86/ptrace-abi.h
index 72e7b9db29bb..4298b8882a78 100644
--- a/include/asm-x86/ptrace-abi.h
+++ b/include/asm-x86/ptrace-abi.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_PTRACE_ABI_H
+#ifndef ASM_X86__PTRACE_ABI_H
-#define _ASM_X86_PTRACE_ABI_H
+#define ASM_X86__PTRACE_ABI_H
 #ifdef __i386__
@@ -80,8 +80,9 @@
 #define PTRACE_SINGLEBLOCK      33      /* resume execution until next branch */
-#ifndef __ASSEMBLY__
+#ifdef CONFIG_X86_PTRACE_BTS
+#ifndef __ASSEMBLY__
 #include <asm/types.h>
 /* configuration/status structure used in PTRACE_BTS_CONFIG and
@@ -97,20 +98,20 @@ struct ptrace_bts_config {
        /* actual size of bts_struct in bytes */
        __u32 bts_size;
 };
-#endif
+#endif /* __ASSEMBLY__ */
 #define PTRACE_BTS_O_TRACE      0x1 /* branch trace */
 #define PTRACE_BTS_O_SCHED      0x2 /* scheduling events w/ jiffies */
 #define PTRACE_BTS_O_SIGNAL     0x4 /* send SIG<signal> on buffer overflow
                                       instead of wrapping around */
-#define PTRACE_BTS_O_CUT_SIZE   0x8 /* cut requested size to max available
+#define PTRACE_BTS_O_ALLOC      0x8 /* (re)allocate buffer */
-                                       instead of failing */
 #define PTRACE_BTS_CONFIG       40
 /* Configure branch trace recording.
   ADDR points to a struct ptrace_bts_config.
   DATA gives the size of that buffer.
-   A new buffer is allocated, iff the size changes.
+   A new buffer is allocated, if requested in the flags.
+   An overflow signal may only be requested for new buffers.
   Returns the number of bytes read.
 */
 #define PTRACE_BTS_STATUS       41
@@ -119,7 +120,7 @@ struct ptrace_bts_config {
   Returns the number of bytes written.
 */
 #define PTRACE_BTS_SIZE         42
-/* Return the number of available BTS records.
+/* Return the number of available BTS records for draining.
   DATA and ADDR are ignored.
 */
 #define PTRACE_BTS_GET          43
@@ -139,5 +140,6 @@ struct ptrace_bts_config {
   BTS records are read from oldest to newest.
   Returns number of BTS records drained.
 */
+#endif /* CONFIG_X86_PTRACE_BTS */
-#endif
+#endif /* ASM_X86__PTRACE_ABI_H */
diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h
index 8a71db803da6..d64a61097165 100644
--- a/include/asm-x86/ptrace.h
+++ b/include/asm-x86/ptrace.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_PTRACE_H
+#ifndef ASM_X86__PTRACE_H
-#define _ASM_X86_PTRACE_H
+#define ASM_X86__PTRACE_H
 #include <linux/compiler.h>     /* For __user */
 #include <asm/ptrace-abi.h>
@@ -127,14 +127,48 @@ struct pt_regs {
 #endif /* __KERNEL__ */
 #endif /* !__i386__ */
+#ifdef CONFIG_X86_PTRACE_BTS
+/* a branch trace record entry
+ *
+ * In order to unify the interface between various processor versions,
+ * we use the below data structure for all processors.
+ */
+enum bts_qualifier {
+        BTS_INVALID = 0,
+        BTS_BRANCH,
+        BTS_TASK_ARRIVES,
+        BTS_TASK_DEPARTS
+};
+struct bts_struct {
+        __u64 qualifier;
+        union {
+                /* BTS_BRANCH */
+                struct {
+                        __u64 from_ip;
+                        __u64 to_ip;
+                } lbr;
+                /* BTS_TASK_ARRIVES or
+                   BTS_TASK_DEPARTS */
+                __u64 jiffies;
+        } variant;
+};
+#endif /* CONFIG_X86_PTRACE_BTS */
 #ifdef __KERNEL__
-/* the DS BTS struct is used for ptrace as well */
+#include <linux/init.h>
-#include <asm/ds.h>
+struct cpuinfo_x86;
 struct task_struct;
+#ifdef CONFIG_X86_PTRACE_BTS
+extern void __cpuinit ptrace_bts_init_intel(struct cpuinfo_x86 *);
 extern void ptrace_bts_take_timestamp(struct task_struct *, enum bts_qualifier);
+#else
+#define ptrace_bts_init_intel(config) do {} while (0)
+#endif /* CONFIG_X86_PTRACE_BTS */
 extern unsigned long profile_pc(struct pt_regs *regs);
@@ -148,6 +182,9 @@ extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
 void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
 #endif
+extern long syscall_trace_enter(struct pt_regs *);
+extern void syscall_trace_leave(struct pt_regs *);
 static inline unsigned long regs_return_value(struct pt_regs *regs)
 {
        return regs->ax;
@@ -213,6 +250,11 @@ static inline unsigned long frame_pointer(struct pt_regs *regs)
        return regs->bp;
 }
+static inline unsigned long user_stack_pointer(struct pt_regs *regs)
+{
+        return regs->sp;
+}
 /*
 * These are defined as per linux/ptrace.h, which see.
 */
@@ -239,4 +281,4 @@ extern int do_set_thread_area(struct task_struct *p, int idx,
 #endif /* !__ASSEMBLY__ */
-#endif
+#endif /* ASM_X86__PTRACE_H */
diff --git a/include/asm-x86/pvclock-abi.h b/include/asm-x86/pvclock-abi.h
index 6857f840b243..edb3b4ecfc81 100644
--- a/include/asm-x86/pvclock-abi.h
+++ b/include/asm-x86/pvclock-abi.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_PVCLOCK_ABI_H_
+#ifndef ASM_X86__PVCLOCK_ABI_H
-#define _ASM_X86_PVCLOCK_ABI_H_
+#define ASM_X86__PVCLOCK_ABI_H
 #ifndef __ASSEMBLY__
 /*
@@ -39,4 +39,4 @@ struct pvclock_wall_clock {
 } __attribute__((__packed__));
 #endif /* __ASSEMBLY__ */
-#endif /* _ASM_X86_PVCLOCK_ABI_H_ */
+#endif /* ASM_X86__PVCLOCK_ABI_H */
diff --git a/include/asm-x86/pvclock.h b/include/asm-x86/pvclock.h
index 85b1bba8e0a3..1a38f6834800 100644
--- a/include/asm-x86/pvclock.h
+++ b/include/asm-x86/pvclock.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_PVCLOCK_H_
+#ifndef ASM_X86__PVCLOCK_H
-#define _ASM_X86_PVCLOCK_H_
+#define ASM_X86__PVCLOCK_H
 #include <linux/clocksource.h>
 #include <asm/pvclock-abi.h>
@@ -10,4 +10,4 @@ void pvclock_read_wallclock(struct pvclock_wall_clock *wall,
                            struct pvclock_vcpu_time_info *vcpu,
                            struct timespec *ts);
-#endif /* _ASM_X86_PVCLOCK_H_ */
+#endif /* ASM_X86__PVCLOCK_H */
diff --git a/include/asm-x86/reboot.h b/include/asm-x86/reboot.h
index 206f355786dc..1c2f0ce9e31e 100644
--- a/include/asm-x86/reboot.h
+++ b/include/asm-x86/reboot.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_REBOOT_H
+#ifndef ASM_X86__REBOOT_H
-#define _ASM_REBOOT_H
+#define ASM_X86__REBOOT_H
 struct pt_regs;
@@ -18,4 +18,4 @@ void native_machine_crash_shutdown(struct pt_regs *regs);
 void native_machine_shutdown(void);
 void machine_real_restart(const unsigned char *code, int length);
-#endif  /* _ASM_REBOOT_H */
+#endif /* ASM_X86__REBOOT_H */
diff --git a/include/asm-x86/reboot_fixups.h b/include/asm-x86/reboot_fixups.h
index 0cb7d87c2b68..2c2987d97570 100644
--- a/include/asm-x86/reboot_fixups.h
+++ b/include/asm-x86/reboot_fixups.h
@@ -1,6 +1,6 @@
-#ifndef _LINUX_REBOOT_FIXUPS_H
+#ifndef ASM_X86__REBOOT_FIXUPS_H
-#define _LINUX_REBOOT_FIXUPS_H
+#define ASM_X86__REBOOT_FIXUPS_H
 extern void mach_reboot_fixups(void);
-#endif /* _LINUX_REBOOT_FIXUPS_H */
+#endif /* ASM_X86__REBOOT_FIXUPS_H */
diff --git a/include/asm-x86/required-features.h b/include/asm-x86/required-features.h
index 5c2ff4bc2980..a01c4e376331 100644
--- a/include/asm-x86/required-features.h
+++ b/include/asm-x86/required-features.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_REQUIRED_FEATURES_H
+#ifndef ASM_X86__REQUIRED_FEATURES_H
-#define _ASM_REQUIRED_FEATURES_H 1
+#define ASM_X86__REQUIRED_FEATURES_H
 /* Define minimum CPUID feature set for kernel These bits are checked
   really early to actually display a visible error message before the
@@ -79,4 +79,4 @@
 #define REQUIRED_MASK6  0
 #define REQUIRED_MASK7  0
-#endif
+#endif /* ASM_X86__REQUIRED_FEATURES_H */
diff --git a/include/asm-x86/resume-trace.h b/include/asm-x86/resume-trace.h
index 8d9f0b41ee86..e39376d7de50 100644
--- a/include/asm-x86/resume-trace.h
+++ b/include/asm-x86/resume-trace.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_RESUME_TRACE_H
+#ifndef ASM_X86__RESUME_TRACE_H
-#define _ASM_X86_RESUME_TRACE_H
+#define ASM_X86__RESUME_TRACE_H
 #include <asm/asm.h>
@@ -7,7 +7,7 @@
 do {                                                            \
        if (pm_trace_enabled) {                                 \
                const void *tracedata;                          \
-                asm volatile(_ASM_MOV_UL " $1f,%0\n"            \
+                asm volatile(_ASM_MOV " $1f,%0\n"               \
                             ".section .tracedata,\"a\"\n"      \
                             "1:\t.word %c1\n\t"                \
                             _ASM_PTR " %c2\n"                  \
@@ -18,4 +18,4 @@ do {								\
        }                                                       \
 } while (0)
-#endif
+#endif /* ASM_X86__RESUME_TRACE_H */
diff --git a/include/asm-x86/rio.h b/include/asm-x86/rio.h
index c9448bd8968f..5e1256bdee83 100644
--- a/include/asm-x86/rio.h
+++ b/include/asm-x86/rio.h
@@ -5,8 +5,8 @@
 * Author: Laurent Vivier <Laurent.Vivier@bull.net>
 */
-#ifndef __ASM_RIO_H
+#ifndef ASM_X86__RIO_H
-#define __ASM_RIO_H
+#define ASM_X86__RIO_H
 #define RIO_TABLE_VERSION       3
@@ -60,4 +60,4 @@ enum {
        ALT_CALGARY     = 5,    /* Second Planar Calgary      */
 };
-#endif /* __ASM_RIO_H */
+#endif /* ASM_X86__RIO_H */
diff --git a/include/asm-x86/rwlock.h b/include/asm-x86/rwlock.h
index 6a8c0d645108..48a3109e1a7d 100644
--- a/include/asm-x86/rwlock.h
+++ b/include/asm-x86/rwlock.h
@@ -1,8 +1,8 @@
-#ifndef _ASM_X86_RWLOCK_H
+#ifndef ASM_X86__RWLOCK_H
-#define _ASM_X86_RWLOCK_H
+#define ASM_X86__RWLOCK_H
 #define RW_LOCK_BIAS             0x01000000
 /* Actual code is in asm/spinlock.h or in arch/x86/lib/rwlock.S */
-#endif /* _ASM_X86_RWLOCK_H */
+#endif /* ASM_X86__RWLOCK_H */
diff --git a/include/asm-x86/rwsem.h b/include/asm-x86/rwsem.h
index 750f2a3542b3..3ff3015b71a8 100644
--- a/include/asm-x86/rwsem.h
+++ b/include/asm-x86/rwsem.h
@@ -29,8 +29,8 @@
 * front, then they'll all be woken up, but no other readers will be.
 */
-#ifndef _I386_RWSEM_H
+#ifndef ASM_X86__RWSEM_H
-#define _I386_RWSEM_H
+#define ASM_X86__RWSEM_H
 #ifndef _LINUX_RWSEM_H
 #error "please don't include asm/rwsem.h directly, use linux/rwsem.h instead"
@@ -262,4 +262,4 @@ static inline int rwsem_is_locked(struct rw_semaphore *sem)
 }
 #endif /* __KERNEL__ */
-#endif /* _I386_RWSEM_H */
+#endif /* ASM_X86__RWSEM_H */
diff --git a/include/asm-x86/scatterlist.h b/include/asm-x86/scatterlist.h
index c0432061f81a..ee48f880005d 100644
--- a/include/asm-x86/scatterlist.h
+++ b/include/asm-x86/scatterlist.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_SCATTERLIST_H
+#ifndef ASM_X86__SCATTERLIST_H
-#define _ASM_X86_SCATTERLIST_H
+#define ASM_X86__SCATTERLIST_H
 #include <asm/types.h>
@@ -30,4 +30,4 @@ struct scatterlist {
 # define sg_dma_len(sg)         ((sg)->dma_length)
 #endif
-#endif
+#endif /* ASM_X86__SCATTERLIST_H */
diff --git a/include/asm-x86/seccomp_32.h b/include/asm-x86/seccomp_32.h
index 36e71c5f306f..cf9ab2dbcef1 100644
--- a/include/asm-x86/seccomp_32.h
+++ b/include/asm-x86/seccomp_32.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_SECCOMP_H
+#ifndef ASM_X86__SECCOMP_32_H
-#define _ASM_SECCOMP_H
+#define ASM_X86__SECCOMP_32_H
 #include <linux/thread_info.h>
@@ -14,4 +14,4 @@
 #define __NR_seccomp_exit __NR_exit
 #define __NR_seccomp_sigreturn __NR_sigreturn
-#endif /* _ASM_SECCOMP_H */
+#endif /* ASM_X86__SECCOMP_32_H */
diff --git a/include/asm-x86/seccomp_64.h b/include/asm-x86/seccomp_64.h
index 76cfe69aa63c..03274cea751f 100644
--- a/include/asm-x86/seccomp_64.h
+++ b/include/asm-x86/seccomp_64.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_SECCOMP_H
+#ifndef ASM_X86__SECCOMP_64_H
-#define _ASM_SECCOMP_H
+#define ASM_X86__SECCOMP_64_H
 #include <linux/thread_info.h>
@@ -22,4 +22,4 @@
 #define __NR_seccomp_exit_32 __NR_ia32_exit
 #define __NR_seccomp_sigreturn_32 __NR_ia32_sigreturn
-#endif /* _ASM_SECCOMP_H */
+#endif /* ASM_X86__SECCOMP_64_H */
diff --git a/include/asm-x86/segment.h b/include/asm-x86/segment.h
index 646452ea9ea3..ea5f0a8686f7 100644
--- a/include/asm-x86/segment.h
+++ b/include/asm-x86/segment.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_SEGMENT_H_
+#ifndef ASM_X86__SEGMENT_H
-#define _ASM_X86_SEGMENT_H_
+#define ASM_X86__SEGMENT_H
 /* Constructor for a conventional segment GDT (or LDT) entry */
 /* This is a macro so it can be used in initializers */
@@ -212,4 +212,4 @@ extern const char early_idt_handlers[NUM_EXCEPTION_VECTORS][10];
 #endif
 #endif
-#endif
+#endif /* ASM_X86__SEGMENT_H */
diff --git a/include/asm-x86/sembuf.h b/include/asm-x86/sembuf.h
index ee50c801f7b7..81f06b7e5a3f 100644
--- a/include/asm-x86/sembuf.h
+++ b/include/asm-x86/sembuf.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_SEMBUF_H
+#ifndef ASM_X86__SEMBUF_H
-#define _ASM_X86_SEMBUF_H
+#define ASM_X86__SEMBUF_H
 /*
 * The semid64_ds structure for x86 architecture.
@@ -21,4 +21,4 @@ struct semid64_ds {
        unsigned long   __unused4;
 };
-#endif /* _ASM_X86_SEMBUF_H */
+#endif /* ASM_X86__SEMBUF_H */
diff --git a/include/asm-x86/serial.h b/include/asm-x86/serial.h
index 628c801535ea..303660b671e5 100644
--- a/include/asm-x86/serial.h
+++ b/include/asm-x86/serial.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_SERIAL_H
+#ifndef ASM_X86__SERIAL_H
-#define _ASM_X86_SERIAL_H
+#define ASM_X86__SERIAL_H
 /*
 * This assumes you have a 1.8432 MHz clock for your UART.
@@ -26,4 +26,4 @@
        { 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS },      /* ttyS2 */     \
        { 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS },     /* ttyS3 */
-#endif /* _ASM_X86_SERIAL_H */
+#endif /* ASM_X86__SERIAL_H */
diff --git a/include/asm-x86/setup.h b/include/asm-x86/setup.h
index a07c6f1c01e1..9030cb73c4d7 100644
--- a/include/asm-x86/setup.h
+++ b/include/asm-x86/setup.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_SETUP_H
+#ifndef ASM_X86__SETUP_H
-#define _ASM_X86_SETUP_H
+#define ASM_X86__SETUP_H
 #define COMMAND_LINE_SIZE 2048
@@ -41,6 +41,7 @@ struct x86_quirks {
 };
 extern struct x86_quirks *x86_quirks;
+extern unsigned long saved_video_mode;
 #ifndef CONFIG_PARAVIRT
 #define paravirt_post_allocator_init()  do {} while (0)
@@ -100,4 +101,4 @@ void __init x86_64_start_reservations(char *real_mode_data);
 #endif /* __ASSEMBLY__ */
 #endif  /*  __KERNEL__  */
-#endif /* _ASM_X86_SETUP_H */
+#endif /* ASM_X86__SETUP_H */
diff --git a/include/asm-x86/shmbuf.h b/include/asm-x86/shmbuf.h
index b51413b74971..f51aec2298e9 100644
--- a/include/asm-x86/shmbuf.h
+++ b/include/asm-x86/shmbuf.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_SHMBUF_H
+#ifndef ASM_X86__SHMBUF_H
-#define _ASM_X86_SHMBUF_H
+#define ASM_X86__SHMBUF_H
 /*
 * The shmid64_ds structure for x86 architecture.
@@ -48,4 +48,4 @@ struct shminfo64 {
        unsigned long   __unused4;
 };
-#endif /* _ASM_X86_SHMBUF_H */
+#endif /* ASM_X86__SHMBUF_H */
diff --git a/include/asm-x86/shmparam.h b/include/asm-x86/shmparam.h
index 0880cf0917b9..a83a1fd96a0e 100644
--- a/include/asm-x86/shmparam.h
+++ b/include/asm-x86/shmparam.h
@@ -1,6 +1,6 @@
-#ifndef _ASM_X86_SHMPARAM_H
+#ifndef ASM_X86__SHMPARAM_H
-#define _ASM_X86_SHMPARAM_H
+#define ASM_X86__SHMPARAM_H
 #define SHMLBA PAGE_SIZE         /* attach addr a multiple of this */
-#endif /* _ASM_X86_SHMPARAM_H */
+#endif /* ASM_X86__SHMPARAM_H */
diff --git a/include/asm-x86/sigcontext.h b/include/asm-x86/sigcontext.h
index 2f9c884d2c0f..24879c85b291 100644
--- a/include/asm-x86/sigcontext.h
+++ b/include/asm-x86/sigcontext.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_SIGCONTEXT_H
+#ifndef ASM_X86__SIGCONTEXT_H
-#define _ASM_X86_SIGCONTEXT_H
+#define ASM_X86__SIGCONTEXT_H
 #include <linux/compiler.h>
 #include <asm/types.h>
@@ -202,4 +202,4 @@ struct sigcontext {
 #endif /* !__i386__ */
-#endif
+#endif /* ASM_X86__SIGCONTEXT_H */
diff --git a/include/asm-x86/sigcontext32.h b/include/asm-x86/sigcontext32.h
index 57a9686fb491..4e2ec732dd01 100644
--- a/include/asm-x86/sigcontext32.h
+++ b/include/asm-x86/sigcontext32.h
@@ -1,5 +1,5 @@
-#ifndef _SIGCONTEXT32_H
+#ifndef ASM_X86__SIGCONTEXT32_H
-#define _SIGCONTEXT32_H 1
+#define ASM_X86__SIGCONTEXT32_H
 /* signal context for 32bit programs. */
@@ -68,4 +68,4 @@ struct sigcontext_ia32 {
       unsigned int cr2;
 };
-#endif
+#endif /* ASM_X86__SIGCONTEXT32_H */
diff --git a/include/asm-x86/siginfo.h b/include/asm-x86/siginfo.h
index a477bea0c2a1..808bdfb2958c 100644
--- a/include/asm-x86/siginfo.h
+++ b/include/asm-x86/siginfo.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_SIGINFO_H
+#ifndef ASM_X86__SIGINFO_H
-#define _ASM_X86_SIGINFO_H
+#define ASM_X86__SIGINFO_H
 #ifdef __x86_64__
 # define __ARCH_SI_PREAMBLE_SIZE        (4 * sizeof(int))
@@ -7,4 +7,4 @@
 #include <asm-generic/siginfo.h>
-#endif
+#endif /* ASM_X86__SIGINFO_H */
diff --git a/include/asm-x86/signal.h b/include/asm-x86/signal.h
index 6dac49364e95..65acc82d267a 100644
--- a/include/asm-x86/signal.h
+++ b/include/asm-x86/signal.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_SIGNAL_H
+#ifndef ASM_X86__SIGNAL_H
-#define _ASM_X86_SIGNAL_H
+#define ASM_X86__SIGNAL_H
 #ifndef __ASSEMBLY__
 #include <linux/types.h>
@@ -140,6 +140,9 @@ struct sigaction {
 struct k_sigaction {
        struct sigaction sa;
 };
+extern void do_notify_resume(struct pt_regs *, void *, __u32);
 # else /* __KERNEL__ */
 /* Here we must cater to libcs that poke about in kernel headers.  */
@@ -256,4 +259,4 @@ struct pt_regs;
 #endif /* __KERNEL__ */
 #endif /* __ASSEMBLY__ */
-#endif
+#endif /* ASM_X86__SIGNAL_H */
diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h
index 3c877f74f279..04f84f4e2c8b 100644
--- a/include/asm-x86/smp.h
+++ b/include/asm-x86/smp.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_SMP_H_
+#ifndef ASM_X86__SMP_H
-#define _ASM_X86_SMP_H_
+#define ASM_X86__SMP_H
 #ifndef __ASSEMBLY__
 #include <linux/cpumask.h>
 #include <linux/init.h>
@@ -34,6 +34,9 @@ extern cpumask_t cpu_initialized;
 DECLARE_PER_CPU(cpumask_t, cpu_sibling_map);
 DECLARE_PER_CPU(cpumask_t, cpu_core_map);
 DECLARE_PER_CPU(u16, cpu_llc_id);
+#ifdef CONFIG_X86_32
+DECLARE_PER_CPU(int, cpu_number);
+#endif
 DECLARE_EARLY_PER_CPU(u16, x86_cpu_to_apicid);
 DECLARE_EARLY_PER_CPU(u16, x86_bios_cpu_apicid);
@@ -142,7 +145,6 @@ extern unsigned disabled_cpus __cpuinitdata;
 * from the initial startup. We map APIC_BASE very early in page_setup(),
 * so this is correct in the x86 case.
 */
-DECLARE_PER_CPU(int, cpu_number);
 #define raw_smp_processor_id() (x86_read_percpu(cpu_number))
 extern int safe_smp_processor_id(void);
@@ -205,4 +207,4 @@ extern void cpu_uninit(void);
 #endif
 #endif /* __ASSEMBLY__ */
-#endif
+#endif /* ASM_X86__SMP_H */
diff --git a/include/asm-x86/socket.h b/include/asm-x86/socket.h
index 80af9c4ccad7..db73274c83c3 100644
--- a/include/asm-x86/socket.h
+++ b/include/asm-x86/socket.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_SOCKET_H
+#ifndef ASM_X86__SOCKET_H
-#define _ASM_SOCKET_H
+#define ASM_X86__SOCKET_H
 #include <asm/sockios.h>
@@ -54,4 +54,4 @@
 #define SO_MARK                 36
-#endif /* _ASM_SOCKET_H */
+#endif /* ASM_X86__SOCKET_H */
diff --git a/include/asm-x86/sockios.h b/include/asm-x86/sockios.h
index 49cc72b5d3c9..a006704fdc84 100644
--- a/include/asm-x86/sockios.h
+++ b/include/asm-x86/sockios.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_SOCKIOS_H
+#ifndef ASM_X86__SOCKIOS_H
-#define _ASM_X86_SOCKIOS_H
+#define ASM_X86__SOCKIOS_H
 /* Socket-level I/O control calls. */
 #define FIOSETOWN       0x8901
@@ -10,4 +10,4 @@
 #define SIOCGSTAMP      0x8906          /* Get stamp (timeval) */
 #define SIOCGSTAMPNS    0x8907          /* Get stamp (timespec) */
-#endif /* _ASM_X86_SOCKIOS_H */
+#endif /* ASM_X86__SOCKIOS_H */
diff --git a/include/asm-x86/sparsemem.h b/include/asm-x86/sparsemem.h
index 9bd48b0a534b..38f8e6bc3186 100644
--- a/include/asm-x86/sparsemem.h
+++ b/include/asm-x86/sparsemem.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_SPARSEMEM_H
+#ifndef ASM_X86__SPARSEMEM_H
-#define _ASM_X86_SPARSEMEM_H
+#define ASM_X86__SPARSEMEM_H
 #ifdef CONFIG_SPARSEMEM
 /*
@@ -31,4 +31,4 @@
 #endif
 #endif /* CONFIG_SPARSEMEM */
-#endif
+#endif /* ASM_X86__SPARSEMEM_H */
diff --git a/include/asm-x86/spinlock.h b/include/asm-x86/spinlock.h
index e39c790dbfd2..93adae338ac6 100644
--- a/include/asm-x86/spinlock.h
+++ b/include/asm-x86/spinlock.h
@@ -1,5 +1,5 @@
-#ifndef _X86_SPINLOCK_H_
+#ifndef ASM_X86__SPINLOCK_H
-#define _X86_SPINLOCK_H_
+#define ASM_X86__SPINLOCK_H
 #include <asm/atomic.h>
 #include <asm/rwlock.h>
@@ -97,7 +97,7 @@ static __always_inline int __ticket_spin_trylock(raw_spinlock_t *lock)
                     "jne 1f\n\t"
                     "movw %w0,%w1\n\t"
                     "incb %h1\n\t"
-                     "lock ; cmpxchgw %w1,%2\n\t"
+                     LOCK_PREFIX "cmpxchgw %w1,%2\n\t"
                     "1:"
                     "sete %b1\n\t"
                     "movzbl %b1,%0\n\t"
@@ -135,7 +135,7 @@ static __always_inline void __ticket_spin_lock(raw_spinlock_t *lock)
        int inc = 0x00010000;
        int tmp;
-        asm volatile("lock ; xaddl %0, %1\n"
+        asm volatile(LOCK_PREFIX "xaddl %0, %1\n"
                     "movzwl %w0, %2\n\t"
                     "shrl $16, %0\n\t"
                     "1:\t"
@@ -162,7 +162,7 @@ static __always_inline int __ticket_spin_trylock(raw_spinlock_t *lock)
                     "cmpl %0,%1\n\t"
                     "jne 1f\n\t"
                     "addl $0x00010000, %1\n\t"
-                     "lock ; cmpxchgl %1,%2\n\t"
+                     LOCK_PREFIX "cmpxchgl %1,%2\n\t"
                     "1:"
                     "sete %b1\n\t"
                     "movzbl %b1,%0\n\t"
@@ -366,4 +366,4 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw)
 #define _raw_read_relax(lock)   cpu_relax()
 #define _raw_write_relax(lock)  cpu_relax()
-#endif
+#endif /* ASM_X86__SPINLOCK_H */
diff --git a/include/asm-x86/spinlock_types.h b/include/asm-x86/spinlock_types.h
index 06c071c9eee9..6aa9b562c508 100644
--- a/include/asm-x86/spinlock_types.h
+++ b/include/asm-x86/spinlock_types.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_SPINLOCK_TYPES_H
+#ifndef ASM_X86__SPINLOCK_TYPES_H
-#define __ASM_SPINLOCK_TYPES_H
+#define ASM_X86__SPINLOCK_TYPES_H
 #ifndef __LINUX_SPINLOCK_TYPES_H
 # error "please don't include this file directly"
@@ -17,4 +17,4 @@ typedef struct {
 #define __RAW_RW_LOCK_UNLOCKED          { RW_LOCK_BIAS }
-#endif
+#endif /* ASM_X86__SPINLOCK_TYPES_H */
diff --git a/include/asm-x86/srat.h b/include/asm-x86/srat.h
index 774c919dc232..5363e4f7e1cd 100644
--- a/include/asm-x86/srat.h
+++ b/include/asm-x86/srat.h
@@ -24,8 +24,8 @@
 * Send feedback to Pat Gaughen <gone@us.ibm.com>
 */
-#ifndef _ASM_SRAT_H_
+#ifndef ASM_X86__SRAT_H
-#define _ASM_SRAT_H_
+#define ASM_X86__SRAT_H
 #ifdef CONFIG_ACPI_NUMA
 extern int get_memcfg_from_srat(void);
@@ -36,4 +36,4 @@ static inline int get_memcfg_from_srat(void)
 }
 #endif
-#endif /* _ASM_SRAT_H_ */
+#endif /* ASM_X86__SRAT_H */
diff --git a/include/asm-x86/stacktrace.h b/include/asm-x86/stacktrace.h
index 30f82526a8e2..f43517e28532 100644
--- a/include/asm-x86/stacktrace.h
+++ b/include/asm-x86/stacktrace.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_STACKTRACE_H
+#ifndef ASM_X86__STACKTRACE_H
-#define _ASM_STACKTRACE_H 1
+#define ASM_X86__STACKTRACE_H
 extern int kstack_depth_to_print;
@@ -18,4 +18,4 @@ void dump_trace(struct task_struct *tsk, struct pt_regs *regs,
                unsigned long *stack, unsigned long bp,
                const struct stacktrace_ops *ops, void *data);
-#endif
+#endif /* ASM_X86__STACKTRACE_H */
diff --git a/include/asm-x86/stat.h b/include/asm-x86/stat.h
index 5c22dcb5d17e..1e120f628905 100644
--- a/include/asm-x86/stat.h
+++ b/include/asm-x86/stat.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_STAT_H
+#ifndef ASM_X86__STAT_H
-#define _ASM_X86_STAT_H
+#define ASM_X86__STAT_H
 #define STAT_HAVE_NSEC 1
@@ -111,4 +111,4 @@ struct __old_kernel_stat {
 #endif
 };
-#endif
+#endif /* ASM_X86__STAT_H */
diff --git a/include/asm-x86/statfs.h b/include/asm-x86/statfs.h
index 7c651aa97252..3f005bc3aa5b 100644
--- a/include/asm-x86/statfs.h
+++ b/include/asm-x86/statfs.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_STATFS_H
+#ifndef ASM_X86__STATFS_H
-#define _ASM_X86_STATFS_H
+#define ASM_X86__STATFS_H
 #ifdef __i386__
 #include <asm-generic/statfs.h>
@@ -60,4 +60,4 @@ struct compat_statfs64 {
 } __attribute__((packed));
 #endif /* !__i386__ */
-#endif
+#endif /* ASM_X86__STATFS_H */
diff --git a/include/asm-x86/string_32.h b/include/asm-x86/string_32.h
index 193578cd1fd9..487843ed245a 100644
--- a/include/asm-x86/string_32.h
+++ b/include/asm-x86/string_32.h
@@ -1,5 +1,5 @@
-#ifndef _I386_STRING_H_
+#ifndef ASM_X86__STRING_32_H
-#define _I386_STRING_H_
+#define ASM_X86__STRING_32_H
 #ifdef __KERNEL__
@@ -323,4 +323,4 @@ extern void *memscan(void *addr, int c, size_t size);
 #endif /* __KERNEL__ */
-#endif
+#endif /* ASM_X86__STRING_32_H */
diff --git a/include/asm-x86/string_64.h b/include/asm-x86/string_64.h
index 52b5ab383395..a2add11d3b66 100644
--- a/include/asm-x86/string_64.h
+++ b/include/asm-x86/string_64.h
@@ -1,5 +1,5 @@
-#ifndef _X86_64_STRING_H_
+#ifndef ASM_X86__STRING_64_H
-#define _X86_64_STRING_H_
+#define ASM_X86__STRING_64_H
 #ifdef __KERNEL__
@@ -57,4 +57,4 @@ int strcmp(const char *cs, const char *ct);
 #endif /* __KERNEL__ */
-#endif
+#endif /* ASM_X86__STRING_64_H */
diff --git a/include/asm-x86/suspend_32.h b/include/asm-x86/suspend_32.h
index 8675c6782a7d..acb6d4d491f4 100644
--- a/include/asm-x86/suspend_32.h
+++ b/include/asm-x86/suspend_32.h
@@ -3,8 +3,8 @@
 * Based on code
 * Copyright 2001 Patrick Mochel <mochel@osdl.org>
 */
-#ifndef __ASM_X86_32_SUSPEND_H
+#ifndef ASM_X86__SUSPEND_32_H
-#define __ASM_X86_32_SUSPEND_H
+#define ASM_X86__SUSPEND_32_H
 #include <asm/desc.h>
 #include <asm/i387.h>
@@ -48,4 +48,4 @@ static inline void acpi_save_register_state(unsigned long return_point)
 extern int acpi_save_state_mem(void);
 #endif
-#endif /* __ASM_X86_32_SUSPEND_H */
+#endif /* ASM_X86__SUSPEND_32_H */
diff --git a/include/asm-x86/suspend_64.h b/include/asm-x86/suspend_64.h
index dc3262b43072..cf821dd310e8 100644
--- a/include/asm-x86/suspend_64.h
+++ b/include/asm-x86/suspend_64.h
@@ -3,8 +3,8 @@
 * Based on code
 * Copyright 2001 Patrick Mochel <mochel@osdl.org>
 */
-#ifndef __ASM_X86_64_SUSPEND_H
+#ifndef ASM_X86__SUSPEND_64_H
-#define __ASM_X86_64_SUSPEND_H
+#define ASM_X86__SUSPEND_64_H
 #include <asm/desc.h>
 #include <asm/i387.h>
@@ -49,4 +49,4 @@ extern int acpi_save_state_mem(void);
 extern char core_restore_code;
 extern char restore_registers;
-#endif /* __ASM_X86_64_SUSPEND_H */
+#endif /* ASM_X86__SUSPEND_64_H */
diff --git a/include/asm-x86/swiotlb.h b/include/asm-x86/swiotlb.h
index 2730b351afcf..1e20adbcad4b 100644
--- a/include/asm-x86/swiotlb.h
+++ b/include/asm-x86/swiotlb.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_SWIOTLB_H
+#ifndef ASM_X86__SWIOTLB_H
-#define _ASM_SWIOTLB_H 1
+#define ASM_X86__SWIOTLB_H
 #include <asm/dma-mapping.h>
@@ -55,4 +55,4 @@ static inline void pci_swiotlb_init(void)
 static inline void dma_mark_clean(void *addr, size_t size) {}
-#endif /* _ASM_SWIOTLB_H */
+#endif /* ASM_X86__SWIOTLB_H */
diff --git a/include/asm-x86/sync_bitops.h b/include/asm-x86/sync_bitops.h
index b47a1d0b8a83..b689bee71104 100644
--- a/include/asm-x86/sync_bitops.h
+++ b/include/asm-x86/sync_bitops.h
@@ -1,5 +1,5 @@
-#ifndef _I386_SYNC_BITOPS_H
+#ifndef ASM_X86__SYNC_BITOPS_H
-#define _I386_SYNC_BITOPS_H
+#define ASM_X86__SYNC_BITOPS_H
 /*
 * Copyright 1992, Linus Torvalds.
@@ -127,4 +127,4 @@ static inline int sync_test_and_change_bit(int nr, volatile unsigned long *addr)
 #undef ADDR
-#endif /* _I386_SYNC_BITOPS_H */
+#endif /* ASM_X86__SYNC_BITOPS_H */
diff --git a/include/asm-x86/syscall.h b/include/asm-x86/syscall.h
new file mode 100644
index 000000000000..04c47dc5597c
--- /dev/null
+++ b/include/asm-x86/syscall.h
@@ -0,0 +1,211 @@
+/*
+ * Access to user system call parameters and results
+ *
+ * Copyright (C) 2008 Red Hat, Inc.  All rights reserved.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU General Public License v.2.
+ *
+ * See asm-generic/syscall.h for descriptions of what we must do here.
+ */
+#ifndef _ASM_SYSCALL_H
+#define _ASM_SYSCALL_H  1
+#include <linux/sched.h>
+#include <linux/err.h>
+static inline long syscall_get_nr(struct task_struct *task,
+                                  struct pt_regs *regs)
+{
+        /*
+         * We always sign-extend a -1 value being set here,
+         * so this is always either -1L or a syscall number.
+         */
+        return regs->orig_ax;
+}
+static inline void syscall_rollback(struct task_struct *task,
+                                    struct pt_regs *regs)
+{
+        regs->ax = regs->orig_ax;
+}
+static inline long syscall_get_error(struct task_struct *task,
+                                     struct pt_regs *regs)
+{
+        unsigned long error = regs->ax;
+#ifdef CONFIG_IA32_EMULATION
+        /*
+         * TS_COMPAT is set for 32-bit syscall entries and then
+         * remains set until we return to user mode.
+         */
+        if (task_thread_info(task)->status & TS_COMPAT)
+                /*
+                 * Sign-extend the value so (int)-EFOO becomes (long)-EFOO
+                 * and will match correctly in comparisons.
+                 */
+                error = (long) (int) error;
+#endif
+        return IS_ERR_VALUE(error) ? error : 0;
+}
+static inline long syscall_get_return_value(struct task_struct *task,
+                                            struct pt_regs *regs)
+{
+        return regs->ax;
+}
+static inline void syscall_set_return_value(struct task_struct *task,
+                                            struct pt_regs *regs,
+                                            int error, long val)
+{
+        regs->ax = (long) error ?: val;
+}
+#ifdef CONFIG_X86_32
+static inline void syscall_get_arguments(struct task_struct *task,
+                                         struct pt_regs *regs,
+                                         unsigned int i, unsigned int n,
+                                         unsigned long *args)
+{
+        BUG_ON(i + n > 6);
+        memcpy(args, &regs->bx + i, n * sizeof(args[0]));
+}
+static inline void syscall_set_arguments(struct task_struct *task,
+                                         struct pt_regs *regs,
+                                         unsigned int i, unsigned int n,
+                                         const unsigned long *args)
+{
+        BUG_ON(i + n > 6);
+        memcpy(&regs->bx + i, args, n * sizeof(args[0]));
+}
+#else    /* CONFIG_X86_64 */
+static inline void syscall_get_arguments(struct task_struct *task,
+                                         struct pt_regs *regs,
+                                         unsigned int i, unsigned int n,
+                                         unsigned long *args)
+{
+# ifdef CONFIG_IA32_EMULATION
+        if (task_thread_info(task)->status & TS_COMPAT)
+                switch (i + n) {
+                case 6:
+                        if (!n--) break;
+                        *args++ = regs->bp;
+                case 5:
+                        if (!n--) break;
+                        *args++ = regs->di;
+                case 4:
+                        if (!n--) break;
+                        *args++ = regs->si;
+                case 3:
+                        if (!n--) break;
+                        *args++ = regs->dx;
+                case 2:
+                        if (!n--) break;
+                        *args++ = regs->cx;
+                case 1:
+                        if (!n--) break;
+                        *args++ = regs->bx;
+                case 0:
+                        if (!n--) break;
+                default:
+                        BUG();
+                        break;
+                }
+        else
+# endif
+                switch (i + n) {
+                case 6:
+                        if (!n--) break;
+                        *args++ = regs->r9;
+                case 5:
+                        if (!n--) break;
+                        *args++ = regs->r8;
+                case 4:
+                        if (!n--) break;
+                        *args++ = regs->r10;
+                case 3:
+                        if (!n--) break;
+                        *args++ = regs->dx;
+                case 2:
+                        if (!n--) break;
+                        *args++ = regs->si;
+                case 1:
+                        if (!n--) break;
+                        *args++ = regs->di;
+                case 0:
+                        if (!n--) break;
+                default:
+                        BUG();
+                        break;
+                }
+}
+static inline void syscall_set_arguments(struct task_struct *task,
+                                         struct pt_regs *regs,
+                                         unsigned int i, unsigned int n,
+                                         const unsigned long *args)
+{
+# ifdef CONFIG_IA32_EMULATION
+        if (task_thread_info(task)->status & TS_COMPAT)
+                switch (i + n) {
+                case 6:
+                        if (!n--) break;
+                        regs->bp = *args++;
+                case 5:
+                        if (!n--) break;
+                        regs->di = *args++;
+                case 4:
+                        if (!n--) break;
+                        regs->si = *args++;
+                case 3:
+                        if (!n--) break;
+                        regs->dx = *args++;
+                case 2:
+                        if (!n--) break;
+                        regs->cx = *args++;
+                case 1:
+                        if (!n--) break;
+                        regs->bx = *args++;
+                case 0:
+                        if (!n--) break;
+                default:
+                        BUG();
+                }
+        else
+# endif
+                switch (i + n) {
+                case 6:
+                        if (!n--) break;
+                        regs->r9 = *args++;
+                case 5:
+                        if (!n--) break;
+                        regs->r8 = *args++;
+                case 4:
+                        if (!n--) break;
+                        regs->r10 = *args++;
+                case 3:
+                        if (!n--) break;
+                        regs->dx = *args++;
+                case 2:
+                        if (!n--) break;
+                        regs->si = *args++;
+                case 1:
+                        if (!n--) break;
+                        regs->di = *args++;
+                case 0:
+                        if (!n--) break;
+                default:
+                        BUG();
+                }
+}
+#endif  /* CONFIG_X86_32 */
+#endif  /* _ASM_SYSCALL_H */
diff --git a/include/asm-x86/syscalls.h b/include/asm-x86/syscalls.h
new file mode 100644
index 000000000000..87803da44010
--- /dev/null
+++ b/include/asm-x86/syscalls.h
@@ -0,0 +1,93 @@
+/*
+ * syscalls.h - Linux syscall interfaces (arch-specific)
+ *
+ * Copyright (c) 2008 Jaswinder Singh
+ *
+ * This file is released under the GPLv2.
+ * See the file COPYING for more details.
+ */
+#ifndef _ASM_X86_SYSCALLS_H
+#define _ASM_X86_SYSCALLS_H
+#include <linux/compiler.h>
+#include <linux/linkage.h>
+#include <linux/types.h>
+#include <linux/signal.h>
+/* Common in X86_32 and X86_64 */
+/* kernel/ioport.c */
+asmlinkage long sys_ioperm(unsigned long, unsigned long, int);
+/* X86_32 only */
+#ifdef CONFIG_X86_32
+/* kernel/process_32.c */
+asmlinkage int sys_fork(struct pt_regs);
+asmlinkage int sys_clone(struct pt_regs);
+asmlinkage int sys_vfork(struct pt_regs);
+asmlinkage int sys_execve(struct pt_regs);
+/* kernel/signal_32.c */
+asmlinkage int sys_sigsuspend(int, int, old_sigset_t);
+asmlinkage int sys_sigaction(int, const struct old_sigaction __user *,
+                             struct old_sigaction __user *);
+asmlinkage int sys_sigaltstack(unsigned long);
+asmlinkage unsigned long sys_sigreturn(unsigned long);
+asmlinkage int sys_rt_sigreturn(unsigned long);
+/* kernel/ioport.c */
+asmlinkage long sys_iopl(unsigned long);
+/* kernel/ldt.c */
+asmlinkage int sys_modify_ldt(int, void __user *, unsigned long);
+/* kernel/sys_i386_32.c */
+asmlinkage long sys_mmap2(unsigned long, unsigned long, unsigned long,
+                          unsigned long, unsigned long, unsigned long);
+struct mmap_arg_struct;
+asmlinkage int old_mmap(struct mmap_arg_struct __user *);
+struct sel_arg_struct;
+asmlinkage int old_select(struct sel_arg_struct __user *);
+asmlinkage int sys_ipc(uint, int, int, int, void __user *, long);
+struct old_utsname;
+asmlinkage int sys_uname(struct old_utsname __user *);
+struct oldold_utsname;
+asmlinkage int sys_olduname(struct oldold_utsname __user *);
+/* kernel/tls.c */
+asmlinkage int sys_set_thread_area(struct user_desc __user *);
+asmlinkage int sys_get_thread_area(struct user_desc __user *);
+/* kernel/vm86_32.c */
+asmlinkage int sys_vm86old(struct pt_regs);
+asmlinkage int sys_vm86(struct pt_regs);
+#else /* CONFIG_X86_32 */
+/* X86_64 only */
+/* kernel/process_64.c */
+asmlinkage long sys_fork(struct pt_regs *);
+asmlinkage long sys_clone(unsigned long, unsigned long,
+                          void __user *, void __user *,
+                          struct pt_regs *);
+asmlinkage long sys_vfork(struct pt_regs *);
+asmlinkage long sys_execve(char __user *, char __user * __user *,
+                           char __user * __user *,
+                           struct pt_regs *);
+/* kernel/ioport.c */
+asmlinkage long sys_iopl(unsigned int, struct pt_regs *);
+/* kernel/signal_64.c */
+asmlinkage long sys_sigaltstack(const stack_t __user *, stack_t __user *,
+                                struct pt_regs *);
+asmlinkage long sys_rt_sigreturn(struct pt_regs *);
+/* kernel/sys_x86_64.c */
+asmlinkage long sys_mmap(unsigned long, unsigned long, unsigned long,
+                         unsigned long, unsigned long, unsigned long);
+struct new_utsname;
+asmlinkage long sys_uname(struct new_utsname __user *);
+#endif /* CONFIG_X86_32 */
+#endif /* _ASM_X86_SYSCALLS_H */
diff --git a/include/asm-x86/system.h b/include/asm-x86/system.h
index 983ce37c491f..34505dd7b24d 100644
--- a/include/asm-x86/system.h
+++ b/include/asm-x86/system.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_SYSTEM_H_
+#ifndef ASM_X86__SYSTEM_H
-#define _ASM_X86_SYSTEM_H_
+#define ASM_X86__SYSTEM_H
 #include <asm/asm.h>
 #include <asm/segment.h>
@@ -419,4 +419,4 @@ static inline void rdtsc_barrier(void)
        alternative(ASM_NOP3, "lfence", X86_FEATURE_LFENCE_RDTSC);
 }
-#endif
+#endif /* ASM_X86__SYSTEM_H */
diff --git a/include/asm-x86/system_64.h b/include/asm-x86/system_64.h
index 97fa251ccb2b..5aedb8bffc5a 100644
--- a/include/asm-x86/system_64.h
+++ b/include/asm-x86/system_64.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_SYSTEM_H
+#ifndef ASM_X86__SYSTEM_64_H
-#define __ASM_SYSTEM_H
+#define ASM_X86__SYSTEM_64_H
 #include <asm/segment.h>
 #include <asm/cmpxchg.h>
@@ -19,4 +19,4 @@ static inline void write_cr8(unsigned long val)
 #include <linux/irqflags.h>
-#endif
+#endif /* ASM_X86__SYSTEM_64_H */
diff --git a/include/asm-x86/tce.h b/include/asm-x86/tce.h
index b1a4ea00df78..e7932d7fbbab 100644
--- a/include/asm-x86/tce.h
+++ b/include/asm-x86/tce.h
@@ -21,8 +21,8 @@
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */
-#ifndef _ASM_X86_64_TCE_H
+#ifndef ASM_X86__TCE_H
-#define _ASM_X86_64_TCE_H
+#define ASM_X86__TCE_H
 extern unsigned int specified_table_size;
 struct iommu_table;
@@ -45,4 +45,4 @@ extern void * __init alloc_tce_table(void);
 extern void __init free_tce_table(void *tbl);
 extern int __init build_tce_table(struct pci_dev *dev, void __iomem *bbar);
-#endif /* _ASM_X86_64_TCE_H */
+#endif /* ASM_X86__TCE_H */
diff --git a/include/asm-x86/termbits.h b/include/asm-x86/termbits.h
index af1b70ea440f..3d00dc5e0c71 100644
--- a/include/asm-x86/termbits.h
+++ b/include/asm-x86/termbits.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_TERMBITS_H
+#ifndef ASM_X86__TERMBITS_H
-#define _ASM_X86_TERMBITS_H
+#define ASM_X86__TERMBITS_H
 #include <linux/posix_types.h>
@@ -195,4 +195,4 @@ struct ktermios {
 #define TCSADRAIN       1
 #define TCSAFLUSH       2
-#endif /* _ASM_X86_TERMBITS_H */
+#endif /* ASM_X86__TERMBITS_H */
diff --git a/include/asm-x86/termios.h b/include/asm-x86/termios.h
index f72956331c49..e235db248071 100644
--- a/include/asm-x86/termios.h
+++ b/include/asm-x86/termios.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_TERMIOS_H
+#ifndef ASM_X86__TERMIOS_H
-#define _ASM_X86_TERMIOS_H
+#define ASM_X86__TERMIOS_H
 #include <asm/termbits.h>
 #include <asm/ioctls.h>
@@ -110,4 +110,4 @@ static inline int kernel_termios_to_user_termios_1(struct termios __user *u,
 #endif  /* __KERNEL__ */
-#endif /* _ASM_X86_TERMIOS_H */
+#endif /* ASM_X86__TERMIOS_H */
diff --git a/include/asm-x86/therm_throt.h b/include/asm-x86/therm_throt.h
index 399bf6026b16..1c7f57b6b66e 100644
--- a/include/asm-x86/therm_throt.h
+++ b/include/asm-x86/therm_throt.h
@@ -1,9 +1,9 @@
-#ifndef __ASM_I386_THERM_THROT_H__
+#ifndef ASM_X86__THERM_THROT_H
-#define __ASM_I386_THERM_THROT_H__ 1
+#define ASM_X86__THERM_THROT_H
 #include <asm/atomic.h>
 extern atomic_t therm_throt_en;
 int therm_throt_process(int curr);
-#endif /* __ASM_I386_THERM_THROT_H__ */
+#endif /* ASM_X86__THERM_THROT_H */
diff --git a/include/asm-x86/thread_info.h b/include/asm-x86/thread_info.h
index da0a675adf94..4db0066a3a35 100644
--- a/include/asm-x86/thread_info.h
+++ b/include/asm-x86/thread_info.h
@@ -4,8 +4,8 @@
 * - Incorporating suggestions made by Linus Torvalds and Dave Miller
 */
-#ifndef _ASM_X86_THREAD_INFO_H
+#ifndef ASM_X86__THREAD_INFO_H
-#define _ASM_X86_THREAD_INFO_H
+#define ASM_X86__THREAD_INFO_H
 #include <linux/compiler.h>
 #include <asm/page.h>
@@ -71,6 +71,7 @@ struct thread_info {
 * Warning: layout of LSW is hardcoded in entry.S
 */
 #define TIF_SYSCALL_TRACE       0       /* syscall trace active */
+#define TIF_NOTIFY_RESUME       1       /* callback before returning to user */
 #define TIF_SIGPENDING          2       /* signal pending */
 #define TIF_NEED_RESCHED        3       /* rescheduling necessary */
 #define TIF_SINGLESTEP          4       /* reenable singlestep on user return*/
@@ -93,6 +94,7 @@ struct thread_info {
 #define TIF_BTS_TRACE_TS        27      /* record scheduling event timestamps */
 #define _TIF_SYSCALL_TRACE      (1 << TIF_SYSCALL_TRACE)
+#define _TIF_NOTIFY_RESUME      (1 << TIF_NOTIFY_RESUME)
 #define _TIF_SIGPENDING         (1 << TIF_SIGPENDING)
 #define _TIF_SINGLESTEP         (1 << TIF_SINGLESTEP)
 #define _TIF_NEED_RESCHED       (1 << TIF_NEED_RESCHED)
@@ -133,7 +135,7 @@ struct thread_info {
 /* Only used for 64 bit */
 #define _TIF_DO_NOTIFY_MASK                                             \
-        (_TIF_SIGPENDING|_TIF_MCE_NOTIFY)
+        (_TIF_SIGPENDING|_TIF_MCE_NOTIFY|_TIF_NOTIFY_RESUME)
 /* flags to check in __switch_to() */
 #define _TIF_WORK_CTXSW                                                 \
@@ -258,4 +260,4 @@ extern void free_thread_info(struct thread_info *ti);
 extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
 #define arch_task_cache_init arch_task_cache_init
 #endif
-#endif /* _ASM_X86_THREAD_INFO_H */
+#endif /* ASM_X86__THREAD_INFO_H */
diff --git a/include/asm-x86/time.h b/include/asm-x86/time.h
index a17fa473e91d..3e724eef7ac4 100644
--- a/include/asm-x86/time.h
+++ b/include/asm-x86/time.h
@@ -1,5 +1,5 @@
-#ifndef _ASMX86_TIME_H
+#ifndef ASM_X86__TIME_H
-#define _ASMX86_TIME_H
+#define ASM_X86__TIME_H
 extern void hpet_time_init(void);
@@ -46,6 +46,8 @@ static inline int native_set_wallclock(unsigned long nowtime)
 #endif
+extern void time_init(void);
 #ifdef CONFIG_PARAVIRT
 #include <asm/paravirt.h>
 #else /* !CONFIG_PARAVIRT */
@@ -58,4 +60,4 @@ static inline int native_set_wallclock(unsigned long nowtime)
 extern unsigned long __init calibrate_cpu(void);
-#endif
+#endif /* ASM_X86__TIME_H */
diff --git a/include/asm-x86/timer.h b/include/asm-x86/timer.h
index fb2a4ddddf3d..d0babce4b47a 100644
--- a/include/asm-x86/timer.h
+++ b/include/asm-x86/timer.h
@@ -1,5 +1,5 @@
-#ifndef _ASMi386_TIMER_H
+#ifndef ASM_X86__TIMER_H
-#define _ASMi386_TIMER_H
+#define ASM_X86__TIMER_H
 #include <linux/init.h>
 #include <linux/pm.h>
 #include <linux/percpu.h>
@@ -9,9 +9,12 @@
 unsigned long long native_sched_clock(void);
 unsigned long native_calibrate_tsc(void);
+#ifdef CONFIG_X86_32
 extern int timer_ack;
-extern int no_timer_check;
 extern int recalibrate_cpu_khz(void);
+#endif /* CONFIG_X86_32 */
+extern int no_timer_check;
 #ifndef CONFIG_PARAVIRT
 #define calibrate_tsc() native_calibrate_tsc()
@@ -60,4 +63,4 @@ static inline unsigned long long cycles_2_ns(unsigned long long cyc)
        return ns;
 }
-#endif
+#endif /* ASM_X86__TIMER_H */
diff --git a/include/asm-x86/timex.h b/include/asm-x86/timex.h
index 43e5a78500c5..d1ce2416a5da 100644
--- a/include/asm-x86/timex.h
+++ b/include/asm-x86/timex.h
@@ -1,6 +1,6 @@
 /* x86 architecture timex specifications */
-#ifndef _ASM_X86_TIMEX_H
+#ifndef ASM_X86__TIMEX_H
-#define _ASM_X86_TIMEX_H
+#define ASM_X86__TIMEX_H
 #include <asm/processor.h>
 #include <asm/tsc.h>
@@ -16,4 +16,4 @@
 #define ARCH_HAS_READ_CURRENT_TIMER
-#endif
+#endif /* ASM_X86__TIMEX_H */
diff --git a/include/asm-x86/tlb.h b/include/asm-x86/tlb.h
index e4e9e2d07a93..db36e9e89e87 100644
--- a/include/asm-x86/tlb.h
+++ b/include/asm-x86/tlb.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_TLB_H
+#ifndef ASM_X86__TLB_H
-#define _ASM_X86_TLB_H
+#define ASM_X86__TLB_H
 #define tlb_start_vma(tlb, vma) do { } while (0)
 #define tlb_end_vma(tlb, vma) do { } while (0)
@@ -8,4 +8,4 @@
 #include <asm-generic/tlb.h>
-#endif
+#endif /* ASM_X86__TLB_H */
diff --git a/include/asm-x86/tlbflush.h b/include/asm-x86/tlbflush.h
index 35c76ceb9f40..ef68b76dc3c5 100644
--- a/include/asm-x86/tlbflush.h
+++ b/include/asm-x86/tlbflush.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_TLBFLUSH_H
+#ifndef ASM_X86__TLBFLUSH_H
-#define _ASM_X86_TLBFLUSH_H
+#define ASM_X86__TLBFLUSH_H
 #include <linux/mm.h>
 #include <linux/sched.h>
@@ -165,4 +165,4 @@ static inline void flush_tlb_kernel_range(unsigned long start,
        flush_tlb_all();
 }
-#endif /* _ASM_X86_TLBFLUSH_H */
+#endif /* ASM_X86__TLBFLUSH_H */
diff --git a/include/asm-x86/topology.h b/include/asm-x86/topology.h
index 90ac7718469a..7eca9bc022b2 100644
--- a/include/asm-x86/topology.h
+++ b/include/asm-x86/topology.h
@@ -22,8 +22,8 @@
 *
 * Send feedback to <colpatch@us.ibm.com>
 */
-#ifndef _ASM_X86_TOPOLOGY_H
+#ifndef ASM_X86__TOPOLOGY_H
-#define _ASM_X86_TOPOLOGY_H
+#define ASM_X86__TOPOLOGY_H
 #ifdef CONFIG_X86_32
 # ifdef CONFIG_X86_HT
@@ -255,4 +255,4 @@ static inline void set_mp_bus_to_node(int busnum, int node)
 }
 #endif
-#endif /* _ASM_X86_TOPOLOGY_H */
+#endif /* ASM_X86__TOPOLOGY_H */
diff --git a/include/asm-x86/trampoline.h b/include/asm-x86/trampoline.h
index b156b08d0131..0406bbd898a9 100644
--- a/include/asm-x86/trampoline.h
+++ b/include/asm-x86/trampoline.h
@@ -1,5 +1,5 @@
-#ifndef __TRAMPOLINE_HEADER
+#ifndef ASM_X86__TRAMPOLINE_H
-#define __TRAMPOLINE_HEADER
+#define ASM_X86__TRAMPOLINE_H
 #ifndef __ASSEMBLY__
@@ -18,4 +18,4 @@ extern unsigned long setup_trampoline(void);
 #endif /* __ASSEMBLY__ */
-#endif /* __TRAMPOLINE_HEADER */
+#endif /* ASM_X86__TRAMPOLINE_H */
diff --git a/include/asm-x86/traps.h b/include/asm-x86/traps.h
index a4b65a71bd66..2ccebc6fb0b0 100644
--- a/include/asm-x86/traps.h
+++ b/include/asm-x86/traps.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_TRAPS_H
+#ifndef ASM_X86__TRAPS_H
-#define _ASM_X86_TRAPS_H
+#define ASM_X86__TRAPS_H
 /* Common in X86_32 and X86_64 */
 asmlinkage void divide_error(void);
@@ -51,6 +51,8 @@ void do_spurious_interrupt_bug(struct pt_regs *, long);
 unsigned long patch_espfix_desc(unsigned long, unsigned long);
 asmlinkage void math_emulate(long);
+void do_page_fault(struct pt_regs *regs, unsigned long error_code);
 #else /* CONFIG_X86_32 */
 asmlinkage void double_fault(void);
@@ -62,5 +64,7 @@ asmlinkage void do_coprocessor_error(struct pt_regs *);
 asmlinkage void do_simd_coprocessor_error(struct pt_regs *);
 asmlinkage void do_spurious_interrupt_bug(struct pt_regs *);
+asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code);
 #endif /* CONFIG_X86_32 */
-#endif /* _ASM_X86_TRAPS_H */
+#endif /* ASM_X86__TRAPS_H */
diff --git a/include/asm-x86/tsc.h b/include/asm-x86/tsc.h
index cb6f6ee45b8f..ad0f5c41e78c 100644
--- a/include/asm-x86/tsc.h
+++ b/include/asm-x86/tsc.h
@@ -1,8 +1,8 @@
 /*
 * x86 TSC related functions
 */
-#ifndef _ASM_X86_TSC_H
+#ifndef ASM_X86__TSC_H
-#define _ASM_X86_TSC_H
+#define ASM_X86__TSC_H
 #include <asm/processor.h>
@@ -59,4 +59,4 @@ extern void check_tsc_sync_target(void);
 extern int notsc_setup(char *);
-#endif
+#endif /* ASM_X86__TSC_H */
diff --git a/include/asm-x86/types.h b/include/asm-x86/types.h
index 1ac80cd9acf8..e78b52e17444 100644
--- a/include/asm-x86/types.h
+++ b/include/asm-x86/types.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_TYPES_H
+#ifndef ASM_X86__TYPES_H
-#define _ASM_X86_TYPES_H
+#define ASM_X86__TYPES_H
 #include <asm-generic/int-ll64.h>
@@ -33,4 +33,4 @@ typedef u32 dma_addr_t;
 #endif /* __ASSEMBLY__ */
 #endif /* __KERNEL__ */
-#endif
+#endif /* ASM_X86__TYPES_H */
diff --git a/include/asm-x86/uaccess.h b/include/asm-x86/uaccess.h
index 5f702d1d5218..48ebc0ad40ec 100644
--- a/include/asm-x86/uaccess.h
+++ b/include/asm-x86/uaccess.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_UACCES_H_
+#ifndef ASM_X86__UACCESS_H
-#define _ASM_UACCES_H_
+#define ASM_X86__UACCESS_H
 /*
 * User space memory access functions
 */
@@ -450,5 +450,5 @@ extern struct movsl_mask {
 # include "uaccess_64.h"
 #endif
-#endif
+#endif /* ASM_X86__UACCESS_H */
diff --git a/include/asm-x86/uaccess_32.h b/include/asm-x86/uaccess_32.h
index 6fdef39a0bcb..6b5b57d9c6d1 100644
--- a/include/asm-x86/uaccess_32.h
+++ b/include/asm-x86/uaccess_32.h
@@ -1,5 +1,5 @@
-#ifndef __i386_UACCESS_H
+#ifndef ASM_X86__UACCESS_32_H
-#define __i386_UACCESS_H
+#define ASM_X86__UACCESS_32_H
 /*
 * User space memory access functions
@@ -215,4 +215,4 @@ long strnlen_user(const char __user *str, long n);
 unsigned long __must_check clear_user(void __user *mem, unsigned long len);
 unsigned long __must_check __clear_user(void __user *mem, unsigned long len);
-#endif /* __i386_UACCESS_H */
+#endif /* ASM_X86__UACCESS_32_H */
diff --git a/include/asm-x86/uaccess_64.h b/include/asm-x86/uaccess_64.h
index 45806d60bcbe..c96c1f5d07a2 100644
--- a/include/asm-x86/uaccess_64.h
+++ b/include/asm-x86/uaccess_64.h
@@ -1,5 +1,5 @@
-#ifndef __X86_64_UACCESS_H
+#ifndef ASM_X86__UACCESS_64_H
-#define __X86_64_UACCESS_H
+#define ASM_X86__UACCESS_64_H
 /*
 * User space memory access functions
@@ -199,4 +199,4 @@ static inline int __copy_from_user_inatomic_nocache(void *dst,
 unsigned long
 copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest);
-#endif /* __X86_64_UACCESS_H */
+#endif /* ASM_X86__UACCESS_64_H */
diff --git a/include/asm-x86/ucontext.h b/include/asm-x86/ucontext.h
index 50a79f7fcde9..9948dd328084 100644
--- a/include/asm-x86/ucontext.h
+++ b/include/asm-x86/ucontext.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_UCONTEXT_H
+#ifndef ASM_X86__UCONTEXT_H
-#define _ASM_X86_UCONTEXT_H
+#define ASM_X86__UCONTEXT_H
 struct ucontext {
        unsigned long     uc_flags;
@@ -9,4 +9,4 @@ struct ucontext {
        sigset_t          uc_sigmask;   /* mask last for extensibility */
 };
-#endif /* _ASM_X86_UCONTEXT_H */
+#endif /* ASM_X86__UCONTEXT_H */
diff --git a/include/asm-x86/unaligned.h b/include/asm-x86/unaligned.h
index a7bd416b4763..59dcdec37160 100644
--- a/include/asm-x86/unaligned.h
+++ b/include/asm-x86/unaligned.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_UNALIGNED_H
+#ifndef ASM_X86__UNALIGNED_H
-#define _ASM_X86_UNALIGNED_H
+#define ASM_X86__UNALIGNED_H
 /*
 * The x86 can do unaligned accesses itself.
@@ -11,4 +11,4 @@
 #define get_unaligned __get_unaligned_le
 #define put_unaligned __put_unaligned_le
-#endif /* _ASM_X86_UNALIGNED_H */
+#endif /* ASM_X86__UNALIGNED_H */
diff --git a/include/asm-x86/unistd_32.h b/include/asm-x86/unistd_32.h
index d7394673b772..017f4a87c913 100644
--- a/include/asm-x86/unistd_32.h
+++ b/include/asm-x86/unistd_32.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_I386_UNISTD_H_
+#ifndef ASM_X86__UNISTD_32_H
-#define _ASM_I386_UNISTD_H_
+#define ASM_X86__UNISTD_32_H
 /*
 * This file contains the system call numbers.
@@ -376,4 +376,4 @@
 #endif
 #endif /* __KERNEL__ */
-#endif /* _ASM_I386_UNISTD_H_ */
+#endif /* ASM_X86__UNISTD_32_H */
diff --git a/include/asm-x86/unistd_64.h b/include/asm-x86/unistd_64.h
index 3a341d791792..ace83f1f6787 100644
--- a/include/asm-x86/unistd_64.h
+++ b/include/asm-x86/unistd_64.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_64_UNISTD_H_
+#ifndef ASM_X86__UNISTD_64_H
-#define _ASM_X86_64_UNISTD_H_
+#define ASM_X86__UNISTD_64_H
 #ifndef __SYSCALL
 #define __SYSCALL(a, b)
@@ -690,4 +690,4 @@ __SYSCALL(__NR_inotify_init1, sys_inotify_init1)
 #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
 #endif  /* __KERNEL__ */
-#endif /* _ASM_X86_64_UNISTD_H_ */
+#endif /* ASM_X86__UNISTD_64_H */
diff --git a/include/asm-x86/unwind.h b/include/asm-x86/unwind.h
index 8b064bd9c553..a2151567db44 100644
--- a/include/asm-x86/unwind.h
+++ b/include/asm-x86/unwind.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_UNWIND_H
+#ifndef ASM_X86__UNWIND_H
-#define _ASM_X86_UNWIND_H
+#define ASM_X86__UNWIND_H
 #define UNW_PC(frame) ((void)(frame), 0UL)
 #define UNW_SP(frame) ((void)(frame), 0UL)
@@ -10,4 +10,4 @@ static inline int arch_unw_user_mode(const void *info)
        return 0;
 }
-#endif /* _ASM_X86_UNWIND_H */
+#endif /* ASM_X86__UNWIND_H */
diff --git a/include/asm-x86/user32.h b/include/asm-x86/user32.h
index a3d910047879..aa66c1857f06 100644
--- a/include/asm-x86/user32.h
+++ b/include/asm-x86/user32.h
@@ -1,5 +1,5 @@
-#ifndef USER32_H
+#ifndef ASM_X86__USER32_H
-#define USER32_H 1
+#define ASM_X86__USER32_H
 /* IA32 compatible user structures for ptrace.
 * These should be used for 32bit coredumps too. */
@@ -67,4 +67,4 @@ struct user32 {
 };
-#endif
+#endif /* ASM_X86__USER32_H */
diff --git a/include/asm-x86/user_32.h b/include/asm-x86/user_32.h
index d6e51edc259d..e0fe2f55f1a6 100644
--- a/include/asm-x86/user_32.h
+++ b/include/asm-x86/user_32.h
@@ -1,5 +1,5 @@
-#ifndef _I386_USER_H
+#ifndef ASM_X86__USER_32_H
-#define _I386_USER_H
+#define ASM_X86__USER_32_H
 #include <asm/page.h>
 /* Core file format: The core file is written in such a way that gdb
@@ -128,4 +128,4 @@ struct user{
 #define HOST_TEXT_START_ADDR (u.start_code)
 #define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
-#endif /* _I386_USER_H */
+#endif /* ASM_X86__USER_32_H */
diff --git a/include/asm-x86/user_64.h b/include/asm-x86/user_64.h
index 6037b634c77f..38b5799863b4 100644
--- a/include/asm-x86/user_64.h
+++ b/include/asm-x86/user_64.h
@@ -1,5 +1,5 @@
-#ifndef _X86_64_USER_H
+#ifndef ASM_X86__USER_64_H
-#define _X86_64_USER_H
+#define ASM_X86__USER_64_H
 #include <asm/types.h>
 #include <asm/page.h>
@@ -134,4 +134,4 @@ struct user {
 #define HOST_TEXT_START_ADDR (u.start_code)
 #define HOST_STACK_END_ADDR (u.start_stack + u.u_ssize * NBPG)
-#endif /* _X86_64_USER_H */
+#endif /* ASM_X86__USER_64_H */
diff --git a/include/asm-x86/uv/bios.h b/include/asm-x86/uv/bios.h
index aa73362ff5df..7cd6d7ec1308 100644
--- a/include/asm-x86/uv/bios.h
+++ b/include/asm-x86/uv/bios.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_BIOS_H
+#ifndef ASM_X86__UV__BIOS_H
-#define _ASM_X86_BIOS_H
+#define ASM_X86__UV__BIOS_H
 /*
 * BIOS layer definitions.
@@ -65,4 +65,4 @@ x86_bios_freq_base(unsigned long which, unsigned long *ticks_per_second,
                   unsigned long *drift_info);
 extern const char *x86_bios_strerror(long status);
-#endif /* _ASM_X86_BIOS_H */
+#endif /* ASM_X86__UV__BIOS_H */
diff --git a/include/asm-x86/uv/uv_bau.h b/include/asm-x86/uv/uv_bau.h
index 610b6b308e93..77153fb18f5e 100644
--- a/include/asm-x86/uv/uv_bau.h
+++ b/include/asm-x86/uv/uv_bau.h
@@ -8,8 +8,8 @@
 * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved.
 */
-#ifndef __ASM_X86_UV_BAU__
+#ifndef ASM_X86__UV__UV_BAU_H
-#define __ASM_X86_UV_BAU__
+#define ASM_X86__UV__UV_BAU_H
 #include <linux/bitmap.h>
 #define BITSPERBYTE 8
@@ -329,4 +329,4 @@ extern int uv_flush_tlb_others(cpumask_t *, struct mm_struct *, unsigned long);
 extern void uv_bau_message_intr1(void);
 extern void uv_bau_timeout_intr1(void);
-#endif /* __ASM_X86_UV_BAU__ */
+#endif /* ASM_X86__UV__UV_BAU_H */
diff --git a/include/asm-x86/uv/uv_hub.h b/include/asm-x86/uv/uv_hub.h
index a4ef26e5850b..bdb5b01afbf5 100644
--- a/include/asm-x86/uv/uv_hub.h
+++ b/include/asm-x86/uv/uv_hub.h
@@ -8,8 +8,8 @@
 * Copyright (C) 2007-2008 Silicon Graphics, Inc. All rights reserved.
 */
-#ifndef __ASM_X86_UV_HUB_H__
+#ifndef ASM_X86__UV__UV_HUB_H
-#define __ASM_X86_UV_HUB_H__
+#define ASM_X86__UV__UV_HUB_H
 #include <linux/numa.h>
 #include <linux/percpu.h>
@@ -350,5 +350,5 @@ static inline int uv_num_possible_blades(void)
        return uv_possible_blades;
 }
-#endif /* __ASM_X86_UV_HUB__ */
+#endif /* ASM_X86__UV__UV_HUB_H */
diff --git a/include/asm-x86/uv/uv_mmrs.h b/include/asm-x86/uv/uv_mmrs.h
index 151fd7fcb809..8b03d89d2459 100644
--- a/include/asm-x86/uv/uv_mmrs.h
+++ b/include/asm-x86/uv/uv_mmrs.h
@@ -8,8 +8,8 @@
 * Copyright (C) 2007-2008 Silicon Graphics, Inc. All rights reserved.
 */
-#ifndef __ASM_X86_UV_MMRS__
+#ifndef ASM_X86__UV__UV_MMRS_H
-#define __ASM_X86_UV_MMRS__
+#define ASM_X86__UV__UV_MMRS_H
 #define UV_MMR_ENABLE           (1UL << 63)
@@ -1292,4 +1292,4 @@ union uvh_si_alias2_overlay_config_u {
 };
-#endif /* __ASM_X86_UV_MMRS__ */
+#endif /* ASM_X86__UV__UV_MMRS_H */
diff --git a/include/asm-x86/vdso.h b/include/asm-x86/vdso.h
index 8e18fb80f5e6..4ab320913ea3 100644
--- a/include/asm-x86/vdso.h
+++ b/include/asm-x86/vdso.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_VDSO_H
+#ifndef ASM_X86__VDSO_H
-#define _ASM_X86_VDSO_H 1
+#define ASM_X86__VDSO_H
 #ifdef CONFIG_X86_64
 extern const char VDSO64_PRELINK[];
@@ -44,4 +44,4 @@ extern const char vdso32_int80_start, vdso32_int80_end;
 extern const char vdso32_syscall_start, vdso32_syscall_end;
 extern const char vdso32_sysenter_start, vdso32_sysenter_end;
-#endif  /* asm-x86/vdso.h */
+#endif /* ASM_X86__VDSO_H */
diff --git a/include/asm-x86/vga.h b/include/asm-x86/vga.h
index 0ccf804377e6..b9e493d07d07 100644
--- a/include/asm-x86/vga.h
+++ b/include/asm-x86/vga.h
@@ -4,8 +4,8 @@
 *      (c) 1998 Martin Mares <mj@ucw.cz>
 */
-#ifndef _LINUX_ASM_VGA_H_
+#ifndef ASM_X86__VGA_H
-#define _LINUX_ASM_VGA_H_
+#define ASM_X86__VGA_H
 /*
 *      On the PC, we can just recalculate addresses and then
@@ -17,4 +17,4 @@
 #define vga_readb(x) (*(x))
 #define vga_writeb(x, y) (*(y) = (x))
-#endif
+#endif /* ASM_X86__VGA_H */
diff --git a/include/asm-x86/vgtod.h b/include/asm-x86/vgtod.h
index 3301f0929342..38fd13364021 100644
--- a/include/asm-x86/vgtod.h
+++ b/include/asm-x86/vgtod.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_VGTOD_H
+#ifndef ASM_X86__VGTOD_H
-#define _ASM_VGTOD_H 1
+#define ASM_X86__VGTOD_H
 #include <asm/vsyscall.h>
 #include <linux/clocksource.h>
@@ -26,4 +26,4 @@ extern struct vsyscall_gtod_data __vsyscall_gtod_data
 __section_vsyscall_gtod_data;
 extern struct vsyscall_gtod_data vsyscall_gtod_data;
-#endif
+#endif /* ASM_X86__VGTOD_H */
diff --git a/include/asm-x86/visws/cobalt.h b/include/asm-x86/visws/cobalt.h
index 995258831b7f..9627a8fe84e9 100644
--- a/include/asm-x86/visws/cobalt.h
+++ b/include/asm-x86/visws/cobalt.h
@@ -1,5 +1,5 @@
-#ifndef __I386_SGI_COBALT_H
+#ifndef ASM_X86__VISWS__COBALT_H
-#define __I386_SGI_COBALT_H
+#define ASM_X86__VISWS__COBALT_H
 #include <asm/fixmap.h>
@@ -122,4 +122,4 @@ extern char visws_board_type;
 extern char visws_board_rev;
-#endif /* __I386_SGI_COBALT_H */
+#endif /* ASM_X86__VISWS__COBALT_H */
diff --git a/include/asm-x86/visws/lithium.h b/include/asm-x86/visws/lithium.h
index dfcd4f07ab85..b36d3b378c63 100644
--- a/include/asm-x86/visws/lithium.h
+++ b/include/asm-x86/visws/lithium.h
@@ -1,5 +1,5 @@
-#ifndef __I386_SGI_LITHIUM_H
+#ifndef ASM_X86__VISWS__LITHIUM_H
-#define __I386_SGI_LITHIUM_H
+#define ASM_X86__VISWS__LITHIUM_H
 #include <asm/fixmap.h>
@@ -49,5 +49,5 @@ static inline unsigned short li_pcib_read16(unsigned long reg)
        return *((volatile unsigned short *)(LI_PCIB_VADDR+reg));
 }
-#endif
+#endif /* ASM_X86__VISWS__LITHIUM_H */
diff --git a/include/asm-x86/visws/piix4.h b/include/asm-x86/visws/piix4.h
index 83ea4f46e419..61c938045ec9 100644
--- a/include/asm-x86/visws/piix4.h
+++ b/include/asm-x86/visws/piix4.h
@@ -1,5 +1,5 @@
-#ifndef __I386_SGI_PIIX_H
+#ifndef ASM_X86__VISWS__PIIX4_H
-#define __I386_SGI_PIIX_H
+#define ASM_X86__VISWS__PIIX4_H
 /*
 * PIIX4 as used on SGI Visual Workstations
@@ -104,4 +104,4 @@
 */
 #define PIIX_GPI_STPCLK         0x4     // STPCLK signal routed back in
-#endif
+#endif /* ASM_X86__VISWS__PIIX4_H */
diff --git a/include/asm-x86/vm86.h b/include/asm-x86/vm86.h
index 5ce351325e01..998bd18eb737 100644
--- a/include/asm-x86/vm86.h
+++ b/include/asm-x86/vm86.h
@@ -1,5 +1,5 @@
-#ifndef _LINUX_VM86_H
+#ifndef ASM_X86__VM86_H
-#define _LINUX_VM86_H
+#define ASM_X86__VM86_H
 /*
 * I'm guessing at the VIF/VIP flag usage, but hope that this is how
@@ -205,4 +205,4 @@ static inline int handle_vm86_trap(struct kernel_vm86_regs *a, long b, int c)
 #endif /* __KERNEL__ */
-#endif
+#endif /* ASM_X86__VM86_H */
diff --git a/include/asm-x86/vmi_time.h b/include/asm-x86/vmi_time.h
index c3118c385156..b2d39e6a08b7 100644
--- a/include/asm-x86/vmi_time.h
+++ b/include/asm-x86/vmi_time.h
@@ -22,8 +22,8 @@
 *
 */
-#ifndef __VMI_TIME_H
+#ifndef ASM_X86__VMI_TIME_H
-#define __VMI_TIME_H
+#define ASM_X86__VMI_TIME_H
 /*
 * Raw VMI call indices for timer functions
@@ -95,4 +95,4 @@ extern void __devinit vmi_time_ap_init(void);
 #define CONFIG_VMI_ALARM_HZ     100
-#endif
+#endif /* ASM_X86__VMI_TIME_H */
diff --git a/include/asm-x86/vsyscall.h b/include/asm-x86/vsyscall.h
index 6b66ff905af0..dcd4682413de 100644
--- a/include/asm-x86/vsyscall.h
+++ b/include/asm-x86/vsyscall.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_64_VSYSCALL_H_
+#ifndef ASM_X86__VSYSCALL_H
-#define _ASM_X86_64_VSYSCALL_H_
+#define ASM_X86__VSYSCALL_H
 enum vsyscall_num {
        __NR_vgettimeofday,
@@ -41,4 +41,4 @@ extern void map_vsyscall(void);
 #endif /* __KERNEL__ */
-#endif /* _ASM_X86_64_VSYSCALL_H_ */
+#endif /* ASM_X86__VSYSCALL_H */
diff --git a/include/asm-x86/xen/events.h b/include/asm-x86/xen/events.h
index 8ded74720024..8151f5b8b6cb 100644
--- a/include/asm-x86/xen/events.h
+++ b/include/asm-x86/xen/events.h
@@ -1,5 +1,5 @@
-#ifndef __XEN_EVENTS_H
+#ifndef ASM_X86__XEN__EVENTS_H
-#define __XEN_EVENTS_H
+#define ASM_X86__XEN__EVENTS_H
 enum ipi_vector {
        XEN_RESCHEDULE_VECTOR,
@@ -21,4 +21,4 @@ static inline void xen_do_IRQ(int irq, struct pt_regs *regs)
        do_IRQ(regs);
 }
-#endif /* __XEN_EVENTS_H */
+#endif /* ASM_X86__XEN__EVENTS_H */
diff --git a/include/asm-x86/xen/grant_table.h b/include/asm-x86/xen/grant_table.h
index 2444d4593a3b..c4baab4d2b68 100644
--- a/include/asm-x86/xen/grant_table.h
+++ b/include/asm-x86/xen/grant_table.h
@@ -1,7 +1,7 @@
-#ifndef __XEN_GRANT_TABLE_H
+#ifndef ASM_X86__XEN__GRANT_TABLE_H
-#define __XEN_GRANT_TABLE_H
+#define ASM_X86__XEN__GRANT_TABLE_H
 #define xen_alloc_vm_area(size) alloc_vm_area(size)
 #define xen_free_vm_area(area)  free_vm_area(area)
-#endif /* __XEN_GRANT_TABLE_H */
+#endif /* ASM_X86__XEN__GRANT_TABLE_H */
diff --git a/include/asm-x86/xen/hypercall.h b/include/asm-x86/xen/hypercall.h
index 91cb7fd5c123..44f4259bee3f 100644
--- a/include/asm-x86/xen/hypercall.h
+++ b/include/asm-x86/xen/hypercall.h
@@ -30,8 +30,8 @@
 * IN THE SOFTWARE.
 */
-#ifndef __HYPERCALL_H__
+#ifndef ASM_X86__XEN__HYPERCALL_H
-#define __HYPERCALL_H__
+#define ASM_X86__XEN__HYPERCALL_H
 #include <linux/errno.h>
 #include <linux/string.h>
@@ -524,4 +524,4 @@ MULTI_stack_switch(struct multicall_entry *mcl,
        mcl->args[1] = esp;
 }
-#endif /* __HYPERCALL_H__ */
+#endif /* ASM_X86__XEN__HYPERCALL_H */
diff --git a/include/asm-x86/xen/hypervisor.h b/include/asm-x86/xen/hypervisor.h
index 04ee0610014a..0ef3a88b869d 100644
--- a/include/asm-x86/xen/hypervisor.h
+++ b/include/asm-x86/xen/hypervisor.h
@@ -30,8 +30,8 @@
 * IN THE SOFTWARE.
 */
-#ifndef __HYPERVISOR_H__
+#ifndef ASM_X86__XEN__HYPERVISOR_H
-#define __HYPERVISOR_H__
+#define ASM_X86__XEN__HYPERVISOR_H
 #include <linux/types.h>
 #include <linux/kernel.h>
@@ -69,4 +69,4 @@ u64 jiffies_to_st(unsigned long jiffies);
 #define is_running_on_xen()     (xen_start_info ? 1 : 0)
-#endif /* __HYPERVISOR_H__ */
+#endif /* ASM_X86__XEN__HYPERVISOR_H */
diff --git a/include/asm-x86/xen/interface.h b/include/asm-x86/xen/interface.h
index 9d810f2538a2..d077bba96da9 100644
--- a/include/asm-x86/xen/interface.h
+++ b/include/asm-x86/xen/interface.h
@@ -6,8 +6,8 @@
 * Copyright (c) 2004, K A Fraser
 */
-#ifndef __ASM_X86_XEN_INTERFACE_H
+#ifndef ASM_X86__XEN__INTERFACE_H
-#define __ASM_X86_XEN_INTERFACE_H
+#define ASM_X86__XEN__INTERFACE_H
 #ifdef __XEN__
 #define __DEFINE_GUEST_HANDLE(name, type) \
@@ -172,4 +172,4 @@ DEFINE_GUEST_HANDLE_STRUCT(vcpu_guest_context);
 #define XEN_CPUID          XEN_EMULATE_PREFIX "cpuid"
 #endif
-#endif  /* __ASM_X86_XEN_INTERFACE_H */
+#endif /* ASM_X86__XEN__INTERFACE_H */
diff --git a/include/asm-x86/xen/interface_32.h b/include/asm-x86/xen/interface_32.h
index d8ac41d5db86..08167e19fc66 100644
--- a/include/asm-x86/xen/interface_32.h
+++ b/include/asm-x86/xen/interface_32.h
@@ -6,8 +6,8 @@
 * Copyright (c) 2004, K A Fraser
 */
-#ifndef __ASM_X86_XEN_INTERFACE_32_H
+#ifndef ASM_X86__XEN__INTERFACE_32_H
-#define __ASM_X86_XEN_INTERFACE_32_H
+#define ASM_X86__XEN__INTERFACE_32_H
 /*
@@ -94,4 +94,4 @@ typedef struct xen_callback xen_callback_t;
 #define xen_pfn_to_cr3(pfn) (((unsigned)(pfn) << 12) | ((unsigned)(pfn) >> 20))
 #define xen_cr3_to_pfn(cr3) (((unsigned)(cr3) >> 12) | ((unsigned)(cr3) << 20))
-#endif  /* __ASM_X86_XEN_INTERFACE_32_H */
+#endif /* ASM_X86__XEN__INTERFACE_32_H */
diff --git a/include/asm-x86/xen/interface_64.h b/include/asm-x86/xen/interface_64.h
index 842266ce96e6..046c0f1e01d4 100644
--- a/include/asm-x86/xen/interface_64.h
+++ b/include/asm-x86/xen/interface_64.h
@@ -1,5 +1,5 @@
-#ifndef __ASM_X86_XEN_INTERFACE_64_H
+#ifndef ASM_X86__XEN__INTERFACE_64_H
-#define __ASM_X86_XEN_INTERFACE_64_H
+#define ASM_X86__XEN__INTERFACE_64_H
 /*
 * 64-bit segment selectors
@@ -156,4 +156,4 @@ typedef unsigned long xen_callback_t;
 #endif /* !__ASSEMBLY__ */
-#endif  /* __ASM_X86_XEN_INTERFACE_64_H */
+#endif /* ASM_X86__XEN__INTERFACE_64_H */
diff --git a/include/asm-x86/xen/page.h b/include/asm-x86/xen/page.h
index 7b3835d3b77d..c50185dccec1 100644
--- a/include/asm-x86/xen/page.h
+++ b/include/asm-x86/xen/page.h
@@ -1,5 +1,5 @@
-#ifndef __XEN_PAGE_H
+#ifndef ASM_X86__XEN__PAGE_H
-#define __XEN_PAGE_H
+#define ASM_X86__XEN__PAGE_H
 #include <linux/pfn.h>
@@ -162,4 +162,4 @@ xmaddr_t arbitrary_virt_to_machine(void *address);
 void make_lowmem_page_readonly(void *vaddr);
 void make_lowmem_page_readwrite(void *vaddr);
-#endif /* __XEN_PAGE_H */
+#endif /* ASM_X86__XEN__PAGE_H */
diff --git a/include/crypto/internal/rng.h b/include/crypto/internal/rng.h
new file mode 100644
index 000000000000..896973369573
--- /dev/null
+++ b/include/crypto/internal/rng.h
@@ -0,0 +1,26 @@
+/*
+ * RNG: Random Number Generator  algorithms under the crypto API
+ *
+ * Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
+ *
+ * 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 _CRYPTO_INTERNAL_RNG_H
+#define _CRYPTO_INTERNAL_RNG_H
+#include <crypto/algapi.h>
+#include <crypto/rng.h>
+extern const struct crypto_type crypto_rng_type;
+static inline void *crypto_rng_ctx(struct crypto_rng *tfm)
+{
+        return crypto_tfm_ctx(&tfm->base);
+}
+#endif
diff --git a/include/crypto/internal/skcipher.h b/include/crypto/internal/skcipher.h
index ccc32bad9a89..2ba42cd7d6aa 100644
--- a/include/crypto/internal/skcipher.h
+++ b/include/crypto/internal/skcipher.h
@@ -15,7 +15,6 @@
 #include <crypto/algapi.h>
 #include <crypto/skcipher.h>
-#include <linux/init.h>
 #include <linux/types.h>
 struct rtattr;
@@ -65,11 +64,6 @@ void skcipher_geniv_free(struct crypto_instance *inst);
 int skcipher_geniv_init(struct crypto_tfm *tfm);
 void skcipher_geniv_exit(struct crypto_tfm *tfm);
-int __init eseqiv_module_init(void);
-void __exit eseqiv_module_exit(void);
-int __init chainiv_module_init(void);
-void chainiv_module_exit(void);
 static inline struct crypto_ablkcipher *skcipher_geniv_cipher(
        struct crypto_ablkcipher *geniv)
 {
diff --git a/include/crypto/rng.h b/include/crypto/rng.h
new file mode 100644
index 000000000000..c93f9b917925
--- /dev/null
+++ b/include/crypto/rng.h
@@ -0,0 +1,75 @@
+/*
+ * RNG: Random Number Generator  algorithms under the crypto API
+ *
+ * Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
+ *
+ * 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 _CRYPTO_RNG_H
+#define _CRYPTO_RNG_H
+#include <linux/crypto.h>
+extern struct crypto_rng *crypto_default_rng;
+int crypto_get_default_rng(void);
+void crypto_put_default_rng(void);
+static inline struct crypto_rng *__crypto_rng_cast(struct crypto_tfm *tfm)
+{
+        return (struct crypto_rng *)tfm;
+}
+static inline struct crypto_rng *crypto_alloc_rng(const char *alg_name,
+                                                  u32 type, u32 mask)
+{
+        type &= ~CRYPTO_ALG_TYPE_MASK;
+        type |= CRYPTO_ALG_TYPE_RNG;
+        mask |= CRYPTO_ALG_TYPE_MASK;
+        return __crypto_rng_cast(crypto_alloc_base(alg_name, type, mask));
+}
+static inline struct crypto_tfm *crypto_rng_tfm(struct crypto_rng *tfm)
+{
+        return &tfm->base;
+}
+static inline struct rng_alg *crypto_rng_alg(struct crypto_rng *tfm)
+{
+        return &crypto_rng_tfm(tfm)->__crt_alg->cra_rng;
+}
+static inline struct rng_tfm *crypto_rng_crt(struct crypto_rng *tfm)
+{
+        return &crypto_rng_tfm(tfm)->crt_rng;
+}
+static inline void crypto_free_rng(struct crypto_rng *tfm)
+{
+        crypto_free_tfm(crypto_rng_tfm(tfm));
+}
+static inline int crypto_rng_get_bytes(struct crypto_rng *tfm,
+                                       u8 *rdata, unsigned int dlen)
+{
+        return crypto_rng_crt(tfm)->rng_gen_random(tfm, rdata, dlen);
+}
+static inline int crypto_rng_reset(struct crypto_rng *tfm,
+                                   u8 *seed, unsigned int slen)
+{
+        return crypto_rng_crt(tfm)->rng_reset(tfm, seed, slen);
+}
+static inline int crypto_rng_seedsize(struct crypto_rng *tfm)
+{
+        return crypto_rng_alg(tfm)->seedsize;
+}
+#endif
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index b68ec09399be..31474e89c59a 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -180,6 +180,7 @@ unifdef-y += audit.h
 unifdef-y += auto_fs.h
 unifdef-y += auxvec.h
 unifdef-y += binfmts.h
+unifdef-y += blktrace_api.h
 unifdef-y += capability.h
 unifdef-y += capi.h
 unifdef-y += cciss_ioctl.h
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 8a12d718c169..be00973d1a8c 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -88,6 +88,7 @@ enum {
        ATA_ID_DLF              = 128,
        ATA_ID_CSFO             = 129,
        ATA_ID_CFA_POWER        = 160,
+        ATA_ID_ROT_SPEED        = 217,
        ATA_ID_PIO4             = (1 << 1),
        ATA_ID_SERNO_LEN        = 20,
@@ -667,6 +668,15 @@ static inline int ata_id_has_dword_io(const u16 *id)
        return 0;
 }
+static inline int ata_id_has_unload(const u16 *id)
+{
+        if (ata_id_major_version(id) >= 7 &&
+            (id[ATA_ID_CFSSE] & 0xC000) == 0x4000 &&
+            id[ATA_ID_CFSSE] & (1 << 13))
+                return 1;
+        return 0;
+}
 static inline int ata_id_current_chs_valid(const u16 *id)
 {
        /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command
@@ -691,6 +701,11 @@ static inline int ata_id_is_cfa(const u16 *id)
        return 0;
 }
+static inline int ata_id_is_ssd(const u16 *id)
+{
+        return id[ATA_ID_ROT_SPEED] == 0x01;
+}
 static inline int ata_drive_40wire(const u16 *dev_id)
 {
        if (ata_id_is_sata(dev_id))
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 0933a14e6414..ff5b4cf9e2da 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -26,21 +26,8 @@
 #ifdef CONFIG_BLOCK
-/* Platforms may set this to teach the BIO layer about IOMMU hardware. */
 #include <asm/io.h>
-#if defined(BIO_VMERGE_MAX_SIZE) && defined(BIO_VMERGE_BOUNDARY)
-#define BIOVEC_VIRT_START_SIZE(x) (bvec_to_phys(x) & (BIO_VMERGE_BOUNDARY - 1))
-#define BIOVEC_VIRT_OVERSIZE(x) ((x) > BIO_VMERGE_MAX_SIZE)
-#else
-#define BIOVEC_VIRT_START_SIZE(x)       0
-#define BIOVEC_VIRT_OVERSIZE(x)         0
-#endif
-#ifndef BIO_VMERGE_BOUNDARY
-#define BIO_VMERGE_BOUNDARY     0
-#endif
 #define BIO_DEBUG
 #ifdef BIO_DEBUG
@@ -88,25 +75,14 @@ struct bio {
        /* Number of segments in this BIO after
         * physical address coalescing is performed.
         */
-        unsigned short          bi_phys_segments;
+        unsigned int            bi_phys_segments;
-        /* Number of segments after physical and DMA remapping
-         * hardware coalescing is performed.
-         */
-        unsigned short          bi_hw_segments;
        unsigned int            bi_size;        /* residual I/O count */
-        /*
-         * To keep track of the max hw size, we account for the
-         * sizes of the first and last virtually mergeable segments
-         * in this bio
-         */
-        unsigned int            bi_hw_front_size;
-        unsigned int            bi_hw_back_size;
        unsigned int            bi_max_vecs;    /* max bvl_vecs we can hold */
+        unsigned int            bi_comp_cpu;    /* completion CPU */
        struct bio_vec          *bi_io_vec;     /* the actual vec list */
        bio_end_io_t            *bi_end_io;
@@ -126,11 +102,14 @@ struct bio {
 #define BIO_UPTODATE    0       /* ok after I/O completion */
 #define BIO_RW_BLOCK    1       /* RW_AHEAD set, and read/write would block */
 #define BIO_EOF         2       /* out-out-bounds error */
-#define BIO_SEG_VALID   3       /* nr_hw_seg valid */
+#define BIO_SEG_VALID   3       /* bi_phys_segments valid */
 #define BIO_CLONED      4       /* doesn't own data */
 #define BIO_BOUNCED     5       /* bio is a bounce bio */
 #define BIO_USER_MAPPED 6       /* contains user pages */
 #define BIO_EOPNOTSUPP  7       /* not supported */
+#define BIO_CPU_AFFINE  8       /* complete bio on same CPU as submitted */
+#define BIO_NULL_MAPPED 9       /* contains invalid user pages */
+#define BIO_FS_INTEGRITY 10     /* fs owns integrity data, not block layer */
 #define bio_flagged(bio, flag)  ((bio)->bi_flags & (1 << (flag)))
 /*
@@ -144,18 +123,31 @@ struct bio {
 /*
 * bio bi_rw flags
 *
- * bit 0 -- read (not set) or write (set)
+ * bit 0 -- data direction
+ *      If not set, bio is a read from device. If set, it's a write to device.
 * bit 1 -- rw-ahead when set
 * bit 2 -- barrier
+ *      Insert a serialization point in the IO queue, forcing previously
+ *      submitted IO to be completed before this oen is issued.
 * bit 3 -- fail fast, don't want low level driver retries
 * bit 4 -- synchronous I/O hint: the block layer will unplug immediately
+ *      Note that this does NOT indicate that the IO itself is sync, just
+ *      that the block layer will not postpone issue of this IO by plugging.
+ * bit 5 -- metadata request
+ *      Used for tracing to differentiate metadata and data IO. May also
+ *      get some preferential treatment in the IO scheduler
+ * bit 6 -- discard sectors
+ *      Informs the lower level device that this range of sectors is no longer
+ *      used by the file system and may thus be freed by the device. Used
+ *      for flash based storage.
 */
-#define BIO_RW          0
+#define BIO_RW          0       /* Must match RW in req flags (blkdev.h) */
-#define BIO_RW_AHEAD    1
+#define BIO_RW_AHEAD    1       /* Must match FAILFAST in req flags */
 #define BIO_RW_BARRIER  2
 #define BIO_RW_FAILFAST 3
 #define BIO_RW_SYNC     4
 #define BIO_RW_META     5
+#define BIO_RW_DISCARD  6
 /*
 * upper 16 bits of bi_rw define the io priority of this bio
@@ -185,14 +177,15 @@ struct bio {
 #define bio_failfast(bio)       ((bio)->bi_rw & (1 << BIO_RW_FAILFAST))
 #define bio_rw_ahead(bio)       ((bio)->bi_rw & (1 << BIO_RW_AHEAD))
 #define bio_rw_meta(bio)        ((bio)->bi_rw & (1 << BIO_RW_META))
-#define bio_empty_barrier(bio)  (bio_barrier(bio) && !(bio)->bi_size)
+#define bio_discard(bio)        ((bio)->bi_rw & (1 << BIO_RW_DISCARD))
+#define bio_empty_barrier(bio)  (bio_barrier(bio) && !bio_has_data(bio) && !bio_discard(bio))
 static inline unsigned int bio_cur_sectors(struct bio *bio)
 {
        if (bio->bi_vcnt)
                return bio_iovec(bio)->bv_len >> 9;
+        else /* dataless requests such as discard */
-        return 0;
+                return bio->bi_size >> 9;
 }
 static inline void *bio_data(struct bio *bio)
@@ -236,8 +229,6 @@ static inline void *bio_data(struct bio *bio)
        ((bvec_to_phys((vec1)) + (vec1)->bv_len) == bvec_to_phys((vec2)))
 #endif
-#define BIOVEC_VIRT_MERGEABLE(vec1, vec2)       \
-        ((((bvec_to_phys((vec1)) + (vec1)->bv_len) | bvec_to_phys((vec2))) & (BIO_VMERGE_BOUNDARY - 1)) == 0)
 #define __BIO_SEG_BOUNDARY(addr1, addr2, mask) \
        (((addr1) | (mask)) == (((addr2) - 1) | (mask)))
 #define BIOVEC_SEG_BOUNDARY(q, b1, b2) \
@@ -319,15 +310,14 @@ struct bio_pair {
        atomic_t                        cnt;
        int                             error;
 };
-extern struct bio_pair *bio_split(struct bio *bi, mempool_t *pool,
+extern struct bio_pair *bio_split(struct bio *bi, int first_sectors);
-                                  int first_sectors);
-extern mempool_t *bio_split_pool;
 extern void bio_pair_release(struct bio_pair *dbio);
 extern struct bio_set *bioset_create(int, int);
 extern void bioset_free(struct bio_set *);
 extern struct bio *bio_alloc(gfp_t, int);
+extern struct bio *bio_kmalloc(gfp_t, int);
 extern struct bio *bio_alloc_bioset(gfp_t, int, struct bio_set *);
 extern void bio_put(struct bio *);
 extern void bio_free(struct bio *, struct bio_set *);
@@ -335,7 +325,6 @@ extern void bio_free(struct bio *, struct bio_set *);
 extern void bio_endio(struct bio *, int);
 struct request_queue;
 extern int bio_phys_segments(struct request_queue *, struct bio *);
-extern int bio_hw_segments(struct request_queue *, struct bio *);
 extern void __bio_clone(struct bio *, struct bio *);
 extern struct bio *bio_clone(struct bio *, gfp_t);
@@ -346,12 +335,14 @@ extern int bio_add_page(struct bio *, struct page *, unsigned int,unsigned int);
 extern int bio_add_pc_page(struct request_queue *, struct bio *, struct page *,
                           unsigned int, unsigned int);
 extern int bio_get_nr_vecs(struct block_device *);
+extern sector_t bio_sector_offset(struct bio *, unsigned short, unsigned int);
 extern struct bio *bio_map_user(struct request_queue *, struct block_device *,
-                                unsigned long, unsigned int, int);
+                                unsigned long, unsigned int, int, gfp_t);
 struct sg_iovec;
+struct rq_map_data;
 extern struct bio *bio_map_user_iov(struct request_queue *,
                                    struct block_device *,
-                                    struct sg_iovec *, int, int);
+                                    struct sg_iovec *, int, int, gfp_t);
 extern void bio_unmap_user(struct bio *);
 extern struct bio *bio_map_kern(struct request_queue *, void *, unsigned int,
                                gfp_t);
@@ -359,15 +350,25 @@ extern struct bio *bio_copy_kern(struct request_queue *, void *, unsigned int,
                                 gfp_t, int);
 extern void bio_set_pages_dirty(struct bio *bio);
 extern void bio_check_pages_dirty(struct bio *bio);
-extern struct bio *bio_copy_user(struct request_queue *, unsigned long, unsigned int, int);
+extern struct bio *bio_copy_user(struct request_queue *, struct rq_map_data *,
-extern struct bio *bio_copy_user_iov(struct request_queue *, struct sg_iovec *,
+                                 unsigned long, unsigned int, int, gfp_t);
-                                     int, int);
+extern struct bio *bio_copy_user_iov(struct request_queue *,
+                                     struct rq_map_data *, struct sg_iovec *,
+                                     int, int, gfp_t);
 extern int bio_uncopy_user(struct bio *);
 void zero_fill_bio(struct bio *bio);
 extern struct bio_vec *bvec_alloc_bs(gfp_t, int, unsigned long *, struct bio_set *);
 extern unsigned int bvec_nr_vecs(unsigned short idx);
 /*
+ * Allow queuer to specify a completion CPU for this bio
+ */
+static inline void bio_set_completion_cpu(struct bio *bio, unsigned int cpu)
+{
+        bio->bi_comp_cpu = cpu;
+}
+/*
 * bio_set is used to allow other portions of the IO system to
 * allocate their own private memory pools for bio and iovec structures.
 * These memory pools in turn all allocate from the bio_slab
@@ -445,6 +446,14 @@ static inline char *__bio_kmap_irq(struct bio *bio, unsigned short idx,
        __bio_kmap_irq((bio), (bio)->bi_idx, (flags))
 #define bio_kunmap_irq(buf,flags)       __bio_kunmap_irq(buf, flags)
+/*
+ * Check whether this bio carries any data or not. A NULL bio is allowed.
+ */
+static inline int bio_has_data(struct bio *bio)
+{
+        return bio && bio->bi_io_vec != NULL;
+}
 #if defined(CONFIG_BLK_DEV_INTEGRITY)
 #define bip_vec_idx(bip, idx)   (&(bip->bip_vec[(idx)]))
@@ -458,14 +467,7 @@ static inline char *__bio_kmap_irq(struct bio *bio, unsigned short idx,
 #define bip_for_each_vec(bvl, bip, i)                                   \
        __bip_for_each_vec(bvl, bip, i, (bip)->bip_idx)
-static inline int bio_integrity(struct bio *bio)
+#define bio_integrity(bio) (bio->bi_integrity != NULL)
-{
-#if defined(CONFIG_BLK_DEV_INTEGRITY)
-        return bio->bi_integrity != NULL;
-#else
-        return 0;
-#endif
-}
 extern struct bio_integrity_payload *bio_integrity_alloc_bioset(struct bio *, gfp_t, unsigned int, struct bio_set *);
 extern struct bio_integrity_payload *bio_integrity_alloc(struct bio *, gfp_t, unsigned int);
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 53ea933cf60b..a92d9e4ea96e 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -16,7 +16,9 @@
 #include <linux/bio.h>
 #include <linux/module.h>
 #include <linux/stringify.h>
+#include <linux/gfp.h>
 #include <linux/bsg.h>
+#include <linux/smp.h>
 #include <asm/scatterlist.h>
@@ -54,7 +56,6 @@ enum rq_cmd_type_bits {
        REQ_TYPE_PM_SUSPEND,            /* suspend request */
        REQ_TYPE_PM_RESUME,             /* resume request */
        REQ_TYPE_PM_SHUTDOWN,           /* shutdown request */
-        REQ_TYPE_FLUSH,                 /* flush request */
        REQ_TYPE_SPECIAL,               /* driver defined type */
        REQ_TYPE_LINUX_BLOCK,           /* generic block layer message */
        /*
@@ -76,19 +77,18 @@ enum rq_cmd_type_bits {
 *
 */
 enum {
-        /*
-         * just examples for now
-         */
        REQ_LB_OP_EJECT = 0x40,         /* eject request */
-        REQ_LB_OP_FLUSH = 0x41,         /* flush device */
+        REQ_LB_OP_FLUSH = 0x41,         /* flush request */
+        REQ_LB_OP_DISCARD = 0x42,       /* discard sectors */
 };
 /*
- * request type modified bits. first three bits match BIO_RW* bits, important
+ * request type modified bits. first two bits match BIO_RW* bits, important
 */
 enum rq_flag_bits {
        __REQ_RW,               /* not set, read. set, write */
        __REQ_FAILFAST,         /* no low level driver retries */
+        __REQ_DISCARD,          /* request to discard sectors */
        __REQ_SORTED,           /* elevator knows about this request */
        __REQ_SOFTBARRIER,      /* may not be passed by ioscheduler */
        __REQ_HARDBARRIER,      /* may not be passed by drive either */
@@ -111,6 +111,7 @@ enum rq_flag_bits {
 };
 #define REQ_RW          (1 << __REQ_RW)
+#define REQ_DISCARD     (1 << __REQ_DISCARD)
 #define REQ_FAILFAST    (1 << __REQ_FAILFAST)
 #define REQ_SORTED      (1 << __REQ_SORTED)
 #define REQ_SOFTBARRIER (1 << __REQ_SOFTBARRIER)
@@ -140,12 +141,14 @@ enum rq_flag_bits {
 */
 struct request {
        struct list_head queuelist;
-        struct list_head donelist;
+        struct call_single_data csd;
+        int cpu;
        struct request_queue *q;
        unsigned int cmd_flags;
        enum rq_cmd_type_bits cmd_type;
+        unsigned long atomic_flags;
        /* Maintain bio traversal state for part by part I/O submission.
         * hard_* are block layer internals, no driver should touch them!
@@ -190,13 +193,6 @@ struct request {
         */
        unsigned short nr_phys_segments;
-        /* Number of scatter-gather addr+len pairs after
-         * physical and DMA remapping hardware coalescing is performed.
-         * This is the number of scatter-gather entries the driver
-         * will actually have to deal with after DMA mapping is done.
-         */
-        unsigned short nr_hw_segments;
        unsigned short ioprio;
        void *special;
@@ -220,6 +216,8 @@ struct request {
        void *data;
        void *sense;
+        unsigned long deadline;
+        struct list_head timeout_list;
        unsigned int timeout;
        int retries;
@@ -233,6 +231,11 @@ struct request {
        struct request *next_rq;
 };
+static inline unsigned short req_get_ioprio(struct request *req)
+{
+        return req->ioprio;
+}
 /*
 * State information carried for REQ_TYPE_PM_SUSPEND and REQ_TYPE_PM_RESUME
 * requests. Some step values could eventually be made generic.
@@ -252,6 +255,7 @@ typedef void (request_fn_proc) (struct request_queue *q);
 typedef int (make_request_fn) (struct request_queue *q, struct bio *bio);
 typedef int (prep_rq_fn) (struct request_queue *, struct request *);
 typedef void (unplug_fn) (struct request_queue *);
+typedef int (prepare_discard_fn) (struct request_queue *, struct request *);
 struct bio_vec;
 struct bvec_merge_data {
@@ -265,6 +269,15 @@ typedef int (merge_bvec_fn) (struct request_queue *, struct bvec_merge_data *,
 typedef void (prepare_flush_fn) (struct request_queue *, struct request *);
 typedef void (softirq_done_fn)(struct request *);
 typedef int (dma_drain_needed_fn)(struct request *);
+typedef int (lld_busy_fn) (struct request_queue *q);
+enum blk_eh_timer_return {
+        BLK_EH_NOT_HANDLED,
+        BLK_EH_HANDLED,
+        BLK_EH_RESET_TIMER,
+};
+typedef enum blk_eh_timer_return (rq_timed_out_fn)(struct request *);
 enum blk_queue_state {
        Queue_down,
@@ -307,10 +320,13 @@ struct request_queue
        make_request_fn         *make_request_fn;
        prep_rq_fn              *prep_rq_fn;
        unplug_fn               *unplug_fn;
+        prepare_discard_fn      *prepare_discard_fn;
        merge_bvec_fn           *merge_bvec_fn;
        prepare_flush_fn        *prepare_flush_fn;
        softirq_done_fn         *softirq_done_fn;
+        rq_timed_out_fn         *rq_timed_out_fn;
        dma_drain_needed_fn     *dma_drain_needed;
+        lld_busy_fn             *lld_busy_fn;
        /*
         * Dispatch queue sorting
@@ -385,6 +401,10 @@ struct request_queue
        unsigned int            nr_sorted;
        unsigned int            in_flight;
+        unsigned int            rq_timeout;
+        struct timer_list       timeout;
+        struct list_head        timeout_list;
        /*
         * sg stuff
         */
@@ -421,6 +441,10 @@ struct request_queue
 #define QUEUE_FLAG_ELVSWITCH    8       /* don't use elevator, just do FIFO */
 #define QUEUE_FLAG_BIDI         9       /* queue supports bidi requests */
 #define QUEUE_FLAG_NOMERGES    10       /* disable merge attempts */
+#define QUEUE_FLAG_SAME_COMP   11       /* force complete on same CPU */
+#define QUEUE_FLAG_FAIL_IO     12       /* fake timeout */
+#define QUEUE_FLAG_STACKABLE   13       /* supports request stacking */
+#define QUEUE_FLAG_NONROT      14       /* non-rotational device (SSD) */
 static inline int queue_is_locked(struct request_queue *q)
 {
@@ -526,7 +550,10 @@ enum {
 #define blk_queue_tagged(q)     test_bit(QUEUE_FLAG_QUEUED, &(q)->queue_flags)
 #define blk_queue_stopped(q)    test_bit(QUEUE_FLAG_STOPPED, &(q)->queue_flags)
 #define blk_queue_nomerges(q)   test_bit(QUEUE_FLAG_NOMERGES, &(q)->queue_flags)
+#define blk_queue_nonrot(q)     test_bit(QUEUE_FLAG_NONROT, &(q)->queue_flags)
 #define blk_queue_flushing(q)   ((q)->ordseq)
+#define blk_queue_stackable(q)  \
+        test_bit(QUEUE_FLAG_STACKABLE, &(q)->queue_flags)
 #define blk_fs_request(rq)      ((rq)->cmd_type == REQ_TYPE_FS)
 #define blk_pc_request(rq)      ((rq)->cmd_type == REQ_TYPE_BLOCK_PC)
@@ -536,16 +563,18 @@ enum {
 #define blk_noretry_request(rq) ((rq)->cmd_flags & REQ_FAILFAST)
 #define blk_rq_started(rq)      ((rq)->cmd_flags & REQ_STARTED)
-#define blk_account_rq(rq)      (blk_rq_started(rq) && blk_fs_request(rq))
+#define blk_account_rq(rq)      (blk_rq_started(rq) && (blk_fs_request(rq) || blk_discard_rq(rq))) 
 #define blk_pm_suspend_request(rq)      ((rq)->cmd_type == REQ_TYPE_PM_SUSPEND)
 #define blk_pm_resume_request(rq)       ((rq)->cmd_type == REQ_TYPE_PM_RESUME)
 #define blk_pm_request(rq)      \
        (blk_pm_suspend_request(rq) || blk_pm_resume_request(rq))
+#define blk_rq_cpu_valid(rq)    ((rq)->cpu != -1)
 #define blk_sorted_rq(rq)       ((rq)->cmd_flags & REQ_SORTED)
 #define blk_barrier_rq(rq)      ((rq)->cmd_flags & REQ_HARDBARRIER)
 #define blk_fua_rq(rq)          ((rq)->cmd_flags & REQ_FUA)
+#define blk_discard_rq(rq)      ((rq)->cmd_flags & REQ_DISCARD)
 #define blk_bidi_rq(rq)         ((rq)->next_rq != NULL)
 #define blk_empty_barrier(rq)   (blk_barrier_rq(rq) && blk_fs_request(rq) && !(rq)->hard_nr_sectors)
 /* rq->queuelist of dequeued request must be list_empty() */
@@ -592,7 +621,8 @@ static inline void blk_clear_queue_full(struct request_queue *q, int rw)
 #define RQ_NOMERGE_FLAGS        \
        (REQ_NOMERGE | REQ_STARTED | REQ_HARDBARRIER | REQ_SOFTBARRIER)
 #define rq_mergeable(rq)        \
-        (!((rq)->cmd_flags & RQ_NOMERGE_FLAGS) && blk_fs_request((rq)))
+        (!((rq)->cmd_flags & RQ_NOMERGE_FLAGS) && \
+         (blk_discard_rq(rq) || blk_fs_request((rq))))
 /*
 * q->prep_rq_fn return values
@@ -637,6 +667,12 @@ static inline void blk_queue_bounce(struct request_queue *q, struct bio **bio)
 }
 #endif /* CONFIG_MMU */
+struct rq_map_data {
+        struct page **pages;
+        int page_order;
+        int nr_entries;
+};
 struct req_iterator {
        int i;
        struct bio *bio;
@@ -664,6 +700,10 @@ extern void __blk_put_request(struct request_queue *, struct request *);
 extern struct request *blk_get_request(struct request_queue *, int, gfp_t);
 extern void blk_insert_request(struct request_queue *, struct request *, int, void *);
 extern void blk_requeue_request(struct request_queue *, struct request *);
+extern int blk_rq_check_limits(struct request_queue *q, struct request *rq);
+extern int blk_lld_busy(struct request_queue *q);
+extern int blk_insert_cloned_request(struct request_queue *q,
+                                     struct request *rq);
 extern void blk_plug_device(struct request_queue *);
 extern void blk_plug_device_unlocked(struct request_queue *);
 extern int blk_remove_plug(struct request_queue *);
@@ -705,11 +745,14 @@ extern void __blk_stop_queue(struct request_queue *q);
 extern void __blk_run_queue(struct request_queue *);
 extern void blk_run_queue(struct request_queue *);
 extern void blk_start_queueing(struct request_queue *);
-extern int blk_rq_map_user(struct request_queue *, struct request *, void __user *, unsigned long);
+extern int blk_rq_map_user(struct request_queue *, struct request *,
+                           struct rq_map_data *, void __user *, unsigned long,
+                           gfp_t);
 extern int blk_rq_unmap_user(struct bio *);
 extern int blk_rq_map_kern(struct request_queue *, struct request *, void *, unsigned int, gfp_t);
 extern int blk_rq_map_user_iov(struct request_queue *, struct request *,
-                               struct sg_iovec *, int, unsigned int);
+                               struct rq_map_data *, struct sg_iovec *, int,
+                               unsigned int, gfp_t);
 extern int blk_execute_rq(struct request_queue *, struct gendisk *,
                          struct request *, int);
 extern void blk_execute_rq_nowait(struct request_queue *, struct gendisk *,
@@ -750,12 +793,15 @@ extern int __blk_end_request(struct request *rq, int error,
 extern int blk_end_bidi_request(struct request *rq, int error,
                                unsigned int nr_bytes, unsigned int bidi_bytes);
 extern void end_request(struct request *, int);
-extern void end_queued_request(struct request *, int);
-extern void end_dequeued_request(struct request *, int);
 extern int blk_end_request_callback(struct request *rq, int error,
                                unsigned int nr_bytes,
                                int (drv_callback)(struct request *));
 extern void blk_complete_request(struct request *);
+extern void __blk_complete_request(struct request *);
+extern void blk_abort_request(struct request *);
+extern void blk_abort_queue(struct request_queue *);
+extern void blk_update_request(struct request *rq, int error,
+                               unsigned int nr_bytes);
 /*
 * blk_end_request() takes bytes instead of sectors as a complete size.
@@ -790,12 +836,16 @@ extern void blk_queue_update_dma_pad(struct request_queue *, unsigned int);
 extern int blk_queue_dma_drain(struct request_queue *q,
                               dma_drain_needed_fn *dma_drain_needed,
                               void *buf, unsigned int size);
+extern void blk_queue_lld_busy(struct request_queue *q, lld_busy_fn *fn);
 extern void blk_queue_segment_boundary(struct request_queue *, unsigned long);
 extern void blk_queue_prep_rq(struct request_queue *, prep_rq_fn *pfn);
 extern void blk_queue_merge_bvec(struct request_queue *, merge_bvec_fn *);
 extern void blk_queue_dma_alignment(struct request_queue *, int);
 extern void blk_queue_update_dma_alignment(struct request_queue *, int);
 extern void blk_queue_softirq_done(struct request_queue *, softirq_done_fn *);
+extern void blk_queue_set_discard(struct request_queue *, prepare_discard_fn *);
+extern void blk_queue_rq_timed_out(struct request_queue *, rq_timed_out_fn *);
+extern void blk_queue_rq_timeout(struct request_queue *, unsigned int);
 extern struct backing_dev_info *blk_get_backing_dev_info(struct block_device *bdev);
 extern int blk_queue_ordered(struct request_queue *, unsigned, prepare_flush_fn *);
 extern int blk_do_ordered(struct request_queue *, struct request **);
@@ -837,6 +887,16 @@ static inline struct request *blk_map_queue_find_tag(struct blk_queue_tag *bqt,
 }
 extern int blkdev_issue_flush(struct block_device *, sector_t *);
+extern int blkdev_issue_discard(struct block_device *,
+                                sector_t sector, sector_t nr_sects, gfp_t);
+static inline int sb_issue_discard(struct super_block *sb,
+                                   sector_t block, sector_t nr_blocks)
+{
+        block <<= (sb->s_blocksize_bits - 9);
+        nr_blocks <<= (sb->s_blocksize_bits - 9);
+        return blkdev_issue_discard(sb->s_bdev, block, nr_blocks, GFP_KERNEL);
+}
 /*
 * command filter functions
@@ -874,6 +934,13 @@ static inline int queue_dma_alignment(struct request_queue *q)
        return q ? q->dma_alignment : 511;
 }
+static inline int blk_rq_aligned(struct request_queue *q, void *addr,
+                                 unsigned int len)
+{
+        unsigned int alignment = queue_dma_alignment(q) | q->dma_pad_mask;
+        return !((unsigned long)addr & alignment) && !(len & alignment);
+}
 /* assumes size > 256 */
 static inline unsigned int blksize_bits(unsigned int size)
 {
@@ -900,7 +967,7 @@ static inline void put_dev_sector(Sector p)
 }
 struct work_struct;
-int kblockd_schedule_work(struct work_struct *work);
+int kblockd_schedule_work(struct request_queue *q, struct work_struct *work);
 void kblockd_flush_work(struct work_struct *work);
 #define MODULE_ALIAS_BLOCKDEV(major,minor) \
@@ -945,49 +1012,19 @@ struct blk_integrity {
 extern int blk_integrity_register(struct gendisk *, struct blk_integrity *);
 extern void blk_integrity_unregister(struct gendisk *);
-extern int blk_integrity_compare(struct block_device *, struct block_device *);
+extern int blk_integrity_compare(struct gendisk *, struct gendisk *);
 extern int blk_rq_map_integrity_sg(struct request *, struct scatterlist *);
 extern int blk_rq_count_integrity_sg(struct request *);
-static inline unsigned short blk_integrity_tuple_size(struct blk_integrity *bi)
+static inline
-{
+struct blk_integrity *bdev_get_integrity(struct block_device *bdev)
-        if (bi)
-                return bi->tuple_size;
-        return 0;
-}
-static inline struct blk_integrity *bdev_get_integrity(struct block_device *bdev)
 {
        return bdev->bd_disk->integrity;
 }
-static inline unsigned int bdev_get_tag_size(struct block_device *bdev)
+static inline struct blk_integrity *blk_get_integrity(struct gendisk *disk)
 {
-        struct blk_integrity *bi = bdev_get_integrity(bdev);
+        return disk->integrity;
-        if (bi)
-                return bi->tag_size;
-        return 0;
-}
-static inline int bdev_integrity_enabled(struct block_device *bdev, int rw)
-{
-        struct blk_integrity *bi = bdev_get_integrity(bdev);
-        if (bi == NULL)
-                return 0;
-        if (rw == READ && bi->verify_fn != NULL &&
-            (bi->flags & INTEGRITY_FLAG_READ))
-                return 1;
-        if (rw == WRITE && bi->generate_fn != NULL &&
-            (bi->flags & INTEGRITY_FLAG_WRITE))
-                return 1;
-        return 0;
 }
 static inline int blk_integrity_rq(struct request *rq)
@@ -1004,7 +1041,7 @@ static inline int blk_integrity_rq(struct request *rq)
 #define blk_rq_count_integrity_sg(a)            (0)
 #define blk_rq_map_integrity_sg(a, b)           (0)
 #define bdev_get_integrity(a)                   (0)
-#define bdev_get_tag_size(a)                    (0)
+#define blk_get_integrity(a)                    (0)
 #define blk_integrity_compare(a, b)             (0)
 #define blk_integrity_register(a, b)            (0)
 #define blk_integrity_unregister(a)             do { } while (0);
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index d084b8d227a5..3a31eb506164 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -1,8 +1,10 @@
 #ifndef BLKTRACE_H
 #define BLKTRACE_H
+#ifdef __KERNEL__
 #include <linux/blkdev.h>
 #include <linux/relay.h>
+#endif
 /*
 * Trace categories
@@ -21,6 +23,7 @@ enum blktrace_cat {
        BLK_TC_NOTIFY   = 1 << 10,      /* special message */
        BLK_TC_AHEAD    = 1 << 11,      /* readahead */
        BLK_TC_META     = 1 << 12,      /* metadata */
+        BLK_TC_DISCARD  = 1 << 13,      /* discard requests */
        BLK_TC_END      = 1 << 15,      /* only 16-bits, reminder */
 };
@@ -47,6 +50,7 @@ enum blktrace_act {
        __BLK_TA_SPLIT,                 /* bio was split */
        __BLK_TA_BOUNCE,                /* bio was bounced */
        __BLK_TA_REMAP,                 /* bio was remapped */
+        __BLK_TA_ABORT,                 /* request aborted */
 };
 /*
@@ -77,6 +81,7 @@ enum blktrace_notify {
 #define BLK_TA_SPLIT            (__BLK_TA_SPLIT)
 #define BLK_TA_BOUNCE           (__BLK_TA_BOUNCE)
 #define BLK_TA_REMAP            (__BLK_TA_REMAP | BLK_TC_ACT(BLK_TC_QUEUE))
+#define BLK_TA_ABORT            (__BLK_TA_ABORT | BLK_TC_ACT(BLK_TC_QUEUE))
 #define BLK_TN_PROCESS          (__BLK_TN_PROCESS | BLK_TC_ACT(BLK_TC_NOTIFY))
 #define BLK_TN_TIMESTAMP        (__BLK_TN_TIMESTAMP | BLK_TC_ACT(BLK_TC_NOTIFY))
@@ -89,17 +94,17 @@ enum blktrace_notify {
 * The trace itself
 */
 struct blk_io_trace {
-        u32 magic;              /* MAGIC << 8 | version */
+        __u32 magic;            /* MAGIC << 8 | version */
-        u32 sequence;           /* event number */
+        __u32 sequence;         /* event number */
-        u64 time;               /* in microseconds */
+        __u64 time;             /* in microseconds */
-        u64 sector;             /* disk offset */
+        __u64 sector;           /* disk offset */
-        u32 bytes;              /* transfer length */
+        __u32 bytes;            /* transfer length */
-        u32 action;             /* what happened */
+        __u32 action;           /* what happened */
-        u32 pid;                /* who did it */
+        __u32 pid;              /* who did it */
-        u32 device;             /* device number */
+        __u32 device;           /* device number */
-        u32 cpu;                /* on what cpu did it happen */
+        __u32 cpu;              /* on what cpu did it happen */
-        u16 error;              /* completion error */
+        __u16 error;            /* completion error */
-        u16 pdu_len;            /* length of data after this trace */
+        __u16 pdu_len;          /* length of data after this trace */
 };
 /*
@@ -117,6 +122,23 @@ enum {
        Blktrace_stopped,
 };
+#define BLKTRACE_BDEV_SIZE      32
+/*
+ * User setup structure passed with BLKTRACESTART
+ */
+struct blk_user_trace_setup {
+        char name[BLKTRACE_BDEV_SIZE];  /* output */
+        __u16 act_mask;                 /* input */
+        __u32 buf_size;                 /* input */
+        __u32 buf_nr;                   /* input */
+        __u64 start_lba;
+        __u64 end_lba;
+        __u32 pid;
+};
+#ifdef __KERNEL__
+#if defined(CONFIG_BLK_DEV_IO_TRACE)
 struct blk_trace {
        int trace_state;
        struct rchan *rchan;
@@ -133,21 +155,6 @@ struct blk_trace {
        atomic_t dropped;
 };
-/*
- * User setup structure passed with BLKTRACESTART
- */
-struct blk_user_trace_setup {
-        char name[BDEVNAME_SIZE];       /* output */
-        u16 act_mask;                   /* input */
-        u32 buf_size;                   /* input */
-        u32 buf_nr;                     /* input */
-        u64 start_lba;
-        u64 end_lba;
-        u32 pid;
-};
-#ifdef __KERNEL__
-#if defined(CONFIG_BLK_DEV_IO_TRACE)
 extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *);
 extern void blk_trace_shutdown(struct request_queue *);
 extern void __blk_add_trace(struct blk_trace *, sector_t, int, int, u32, int, int, void *);
@@ -195,6 +202,9 @@ static inline void blk_add_trace_rq(struct request_queue *q, struct request *rq,
        if (likely(!bt))
                return;
+        if (blk_discard_rq(rq))
+                rw |= (1 << BIO_RW_DISCARD);
        if (blk_pc_request(rq)) {
                what |= BLK_TC_ACT(BLK_TC_PC);
                __blk_add_trace(bt, 0, rq->data_len, rw, what, rq->errors, sizeof(rq->cmd), rq->cmd);
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index c8bd2daf95ec..8322141ee480 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -190,7 +190,9 @@ extern void __chk_io_ptr(const volatile void __iomem *);
 * ACCESS_ONCE() in different C statements.
 *
 * This macro does absolutely -nothing- to prevent the CPU from reordering,
- * merging, or refetching absolutely anything at any time.
+ * merging, or refetching absolutely anything at any time.  Its main intended
+ * use is to mediate communication between process-level code and irq/NMI
+ * handlers, all running on the same CPU.
 */
 #define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x))
diff --git a/include/linux/completion.h b/include/linux/completion.h
index 02ef8835999c..4a6b604ef7e4 100644
--- a/include/linux/completion.h
+++ b/include/linux/completion.h
@@ -10,6 +10,18 @@
 #include <linux/wait.h>
+/**
+ * struct completion - structure used to maintain state for a "completion"
+ *
+ * This is the opaque structure used to maintain the state for a "completion".
+ * Completions currently use a FIFO to queue threads that have to wait for
+ * the "completion" event.
+ *
+ * See also:  complete(), wait_for_completion() (and friends _timeout,
+ * _interruptible, _interruptible_timeout, and _killable), init_completion(),
+ * and macros DECLARE_COMPLETION(), DECLARE_COMPLETION_ONSTACK(), and
+ * INIT_COMPLETION().
+ */
 struct completion {
        unsigned int done;
        wait_queue_head_t wait;
@@ -21,6 +33,14 @@ struct completion {
 #define COMPLETION_INITIALIZER_ONSTACK(work) \
        ({ init_completion(&work); work; })
+/**
+ * DECLARE_COMPLETION: - declare and initialize a completion structure
+ * @work:  identifier for the completion structure
+ *
+ * This macro declares and initializes a completion structure. Generally used
+ * for static declarations. You should use the _ONSTACK variant for automatic
+ * variables.
+ */
 #define DECLARE_COMPLETION(work) \
        struct completion work = COMPLETION_INITIALIZER(work)
@@ -29,6 +49,13 @@ struct completion {
 * completions - so we use the _ONSTACK() variant for those that
 * are on the kernel stack:
 */
+/**
+ * DECLARE_COMPLETION_ONSTACK: - declare and initialize a completion structure
+ * @work:  identifier for the completion structure
+ *
+ * This macro declares and initializes a completion structure on the kernel
+ * stack.
+ */
 #ifdef CONFIG_LOCKDEP
 # define DECLARE_COMPLETION_ONSTACK(work) \
        struct completion work = COMPLETION_INITIALIZER_ONSTACK(work)
@@ -36,6 +63,13 @@ struct completion {
 # define DECLARE_COMPLETION_ONSTACK(work) DECLARE_COMPLETION(work)
 #endif
+/**
+ * init_completion: - Initialize a dynamically allocated completion
+ * @x:  completion structure that is to be initialized
+ *
+ * This inline function will initialize a dynamically created completion
+ * structure.
+ */
 static inline void init_completion(struct completion *x)
 {
        x->done = 0;
@@ -55,6 +89,13 @@ extern bool completion_done(struct completion *x);
 extern void complete(struct completion *);
 extern void complete_all(struct completion *);
+/**
+ * INIT_COMPLETION: - reinitialize a completion structure
+ * @x:  completion structure to be reinitialized
+ *
+ * This macro should be used to reinitialize a completion structure so it can
+ * be reused. This is especially important after complete_all() is used.
+ */
 #define INIT_COMPLETION(x)      ((x).done = 0)
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index d7faf8808497..c2747ac2ae43 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -69,6 +69,7 @@ static inline void unregister_cpu_notifier(struct notifier_block *nb)
 #endif
 int cpu_up(unsigned int cpu);
+void notify_cpu_starting(unsigned int cpu);
 extern void cpu_hotplug_init(void);
 extern void cpu_maps_update_begin(void);
 extern void cpu_maps_update_done(void);
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index c43dc47fdf75..3d2317e4af2e 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -38,6 +38,7 @@
 #define CRYPTO_ALG_TYPE_DIGEST          0x00000008
 #define CRYPTO_ALG_TYPE_HASH            0x00000009
 #define CRYPTO_ALG_TYPE_AHASH           0x0000000a
+#define CRYPTO_ALG_TYPE_RNG             0x0000000c
 #define CRYPTO_ALG_TYPE_HASH_MASK       0x0000000e
 #define CRYPTO_ALG_TYPE_AHASH_MASK      0x0000000c
@@ -61,6 +62,14 @@
 #define CRYPTO_ALG_GENIV                0x00000200
 /*
+ * Set if the algorithm has passed automated run-time testing.  Note that
+ * if there is no run-time testing for a given algorithm it is considered
+ * to have passed.
+ */
+#define CRYPTO_ALG_TESTED               0x00000400
+/*
 * Transform masks and values (for crt_flags).
 */
 #define CRYPTO_TFM_REQ_MASK             0x000fff00
@@ -105,6 +114,7 @@ struct crypto_aead;
 struct crypto_blkcipher;
 struct crypto_hash;
 struct crypto_ahash;
+struct crypto_rng;
 struct crypto_tfm;
 struct crypto_type;
 struct aead_givcrypt_request;
@@ -290,6 +300,15 @@ struct compress_alg {
                              unsigned int slen, u8 *dst, unsigned int *dlen);
 };
+struct rng_alg {
+        int (*rng_make_random)(struct crypto_rng *tfm, u8 *rdata,
+                               unsigned int dlen);
+        int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen);
+        unsigned int seedsize;
+};
 #define cra_ablkcipher  cra_u.ablkcipher
 #define cra_aead        cra_u.aead
 #define cra_blkcipher   cra_u.blkcipher
@@ -298,6 +317,7 @@ struct compress_alg {
 #define cra_hash        cra_u.hash
 #define cra_ahash       cra_u.ahash
 #define cra_compress    cra_u.compress
+#define cra_rng         cra_u.rng
 struct crypto_alg {
        struct list_head cra_list;
@@ -325,6 +345,7 @@ struct crypto_alg {
                struct hash_alg hash;
                struct ahash_alg ahash;
                struct compress_alg compress;
+                struct rng_alg rng;
        } cra_u;
        int (*cra_init)(struct crypto_tfm *tfm);
@@ -430,6 +451,12 @@ struct compress_tfm {
                              u8 *dst, unsigned int *dlen);
 };
+struct rng_tfm {
+        int (*rng_gen_random)(struct crypto_rng *tfm, u8 *rdata,
+                              unsigned int dlen);
+        int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen);
+};
 #define crt_ablkcipher  crt_u.ablkcipher
 #define crt_aead        crt_u.aead
 #define crt_blkcipher   crt_u.blkcipher
@@ -437,6 +464,7 @@ struct compress_tfm {
 #define crt_hash        crt_u.hash
 #define crt_ahash       crt_u.ahash
 #define crt_compress    crt_u.compress
+#define crt_rng         crt_u.rng
 struct crypto_tfm {
@@ -450,6 +478,7 @@ struct crypto_tfm {
                struct hash_tfm hash;
                struct ahash_tfm ahash;
                struct compress_tfm compress;
+                struct rng_tfm rng;
        } crt_u;
        
        struct crypto_alg *__crt_alg;
@@ -481,6 +510,10 @@ struct crypto_hash {
        struct crypto_tfm base;
 };
+struct crypto_rng {
+        struct crypto_tfm base;
+};
 enum {
        CRYPTOA_UNSPEC,
        CRYPTOA_ALG,
@@ -515,6 +548,8 @@ struct crypto_tfm *crypto_alloc_tfm(const char *alg_name, u32 tfm_flags);
 struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask);
 void crypto_free_tfm(struct crypto_tfm *tfm);
+int alg_test(const char *driver, const char *alg, u32 type, u32 mask);
 /*
 * Transform helpers which query the underlying algorithm.
 */
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index a90222e3297d..08d783592b73 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -13,7 +13,6 @@
 struct dm_target;
 struct dm_table;
-struct dm_dev;
 struct mapped_device;
 struct bio_vec;
@@ -84,6 +83,12 @@ void dm_error(const char *message);
 */
 void dm_set_device_limits(struct dm_target *ti, struct block_device *bdev);
+struct dm_dev {
+        struct block_device *bdev;
+        int mode;
+        char name[16];
+};
 /*
 * Constructors should call these functions to ensure destination devices
 * are opened/closed correctly.
@@ -202,6 +207,7 @@ int dm_copy_name_and_uuid(struct mapped_device *md, char *name, char *uuid);
 struct gendisk *dm_disk(struct mapped_device *md);
 int dm_suspended(struct mapped_device *md);
 int dm_noflush_suspending(struct dm_target *ti);
+union map_info *dm_get_mapinfo(struct bio *bio);
 /*
 * Geometry functions.
@@ -232,6 +238,11 @@ int dm_table_add_target(struct dm_table *t, const char *type,
 int dm_table_complete(struct dm_table *t);
 /*
+ * Unplug all devices in a table.
+ */
+void dm_table_unplug_all(struct dm_table *t);
+/*
 * Table reference counting.
 */
 struct dm_table *dm_get_table(struct mapped_device *md);
@@ -256,6 +267,11 @@ void dm_table_event(struct dm_table *t);
 */
 int dm_swap_table(struct mapped_device *md, struct dm_table *t);
+/*
+ * A wrapper around vmalloc.
+ */
+void *dm_vcalloc(unsigned long nmemb, unsigned long elem_size);
 /*-----------------------------------------------------------------
 * Macros.
 *---------------------------------------------------------------*/
diff --git a/include/linux/device.h b/include/linux/device.h
index 4d8372d135df..246937c9cbc7 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -199,6 +199,11 @@ struct class {
        struct class_private *p;
 };
+struct class_dev_iter {
+        struct klist_iter               ki;
+        const struct device_type        *type;
+};
 extern struct kobject *sysfs_dev_block_kobj;
 extern struct kobject *sysfs_dev_char_kobj;
 extern int __must_check __class_register(struct class *class,
@@ -213,6 +218,13 @@ extern void class_unregister(struct class *class);
        __class_register(class, &__key);        \
 })
+extern void class_dev_iter_init(struct class_dev_iter *iter,
+                                struct class *class,
+                                struct device *start,
+                                const struct device_type *type);
+extern struct device *class_dev_iter_next(struct class_dev_iter *iter);
+extern void class_dev_iter_exit(struct class_dev_iter *iter);
 extern int class_for_each_device(struct class *class, struct device *start,
                                 void *data,
                                 int (*fn)(struct device *dev, void *data));
@@ -396,7 +408,7 @@ struct device {
        spinlock_t              devres_lock;
        struct list_head        devres_head;
-        struct list_head        node;
+        struct klist_node       knode_class;
        struct class            *class;
        dev_t                   devt;   /* dev_t, creates the sysfs "dev" */
        struct attribute_group  **groups;       /* optional groups */
diff --git a/include/linux/dlm.h b/include/linux/dlm.h
index 203a025e30e5..b9cd38603fd8 100644
--- a/include/linux/dlm.h
+++ b/include/linux/dlm.h
@@ -2,7 +2,7 @@
 *******************************************************************************
 **
 **  Copyright (C) Sistina Software, Inc.  1997-2003  All rights reserved.
-**  Copyright (C) 2004-2007 Red Hat, Inc.  All rights reserved.
+**  Copyright (C) 2004-2008 Red Hat, Inc.  All rights reserved.
 **
 **  This copyrighted material is made available to anyone wishing to use,
 **  modify, copy, or redistribute it subject to the terms and conditions
@@ -65,9 +65,12 @@ struct dlm_lksb {
        char *   sb_lvbptr;
 };
+/* dlm_new_lockspace() flags */
 #define DLM_LSFL_NODIR          0x00000001
 #define DLM_LSFL_TIMEWARN       0x00000002
 #define DLM_LSFL_FS             0x00000004
+#define DLM_LSFL_NEWEXCL        0x00000008
 #ifdef __KERNEL__
diff --git a/include/linux/dlm_device.h b/include/linux/dlm_device.h
index c6034508fed9..3060783c4191 100644
--- a/include/linux/dlm_device.h
+++ b/include/linux/dlm_device.h
@@ -26,7 +26,7 @@
 /* Version of the device interface */
 #define DLM_DEVICE_VERSION_MAJOR 6
 #define DLM_DEVICE_VERSION_MINOR 0
-#define DLM_DEVICE_VERSION_PATCH 0
+#define DLM_DEVICE_VERSION_PATCH 1
 /* struct passed to the lock write */
 struct dlm_lock_params {
diff --git a/include/linux/elevator.h b/include/linux/elevator.h
index 639624b55fbe..92f6f634e3e6 100644
--- a/include/linux/elevator.h
+++ b/include/linux/elevator.h
@@ -112,6 +112,7 @@ extern struct request *elv_latter_request(struct request_queue *, struct request
 extern int elv_register_queue(struct request_queue *q);
 extern void elv_unregister_queue(struct request_queue *q);
 extern int elv_may_queue(struct request_queue *, int);
+extern void elv_abort_queue(struct request_queue *);
 extern void elv_completed_request(struct request_queue *, struct request *);
 extern int elv_set_request(struct request_queue *, struct request *, gfp_t);
 extern void elv_put_request(struct request_queue *, struct request *);
@@ -173,15 +174,15 @@ enum {
 #define rb_entry_rq(node)       rb_entry((node), struct request, rb_node)
 /*
- * Hack to reuse the donelist list_head as the fifo time holder while
+ * Hack to reuse the csd.list list_head as the fifo time holder while
 * the request is in the io scheduler. Saves an unsigned long in rq.
 */
-#define rq_fifo_time(rq)        ((unsigned long) (rq)->donelist.next)
+#define rq_fifo_time(rq)        ((unsigned long) (rq)->csd.list.next)
-#define rq_set_fifo_time(rq,exp)        ((rq)->donelist.next = (void *) (exp))
+#define rq_set_fifo_time(rq,exp)        ((rq)->csd.list.next = (void *) (exp))
 #define rq_entry_fifo(ptr)      list_entry((ptr), struct request, queuelist)
 #define rq_fifo_clear(rq)       do {            \
        list_del_init(&(rq)->queuelist);        \
-        INIT_LIST_HEAD(&(rq)->donelist);        \
+        INIT_LIST_HEAD(&(rq)->csd.list);        \
        } while (0)
 /*
diff --git a/include/linux/fd.h b/include/linux/fd.h
index b6bd41d2b460..f5d194af07a8 100644
--- a/include/linux/fd.h
+++ b/include/linux/fd.h
@@ -15,10 +15,16 @@ struct floppy_struct {
                        sect,           /* sectors per track */
                        head,           /* nr of heads */
                        track,          /* nr of tracks */
-                        stretch;        /* !=0 means double track steps */
+                        stretch;        /* bit 0 !=0 means double track steps */
+                                        /* bit 1 != 0 means swap sides */
+                                        /* bits 2..9 give the first sector */
+                                        /*  number (the LSB is flipped) */
 #define FD_STRETCH 1
 #define FD_SWAPSIDES 2
 #define FD_ZEROBASED 4
+#define FD_SECTBASEMASK 0x3FC
+#define FD_MKSECTBASE(s) (((s) ^ 1) << 2)
+#define FD_SECTBASE(floppy) ((((floppy)->stretch & FD_SECTBASEMASK) >> 2) ^ 1)
        unsigned char   gap,            /* gap1 size */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 580b513668fe..32477e8872d5 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -86,7 +86,9 @@ extern int dir_notify_enable;
 #define READ_META       (READ | (1 << BIO_RW_META))
 #define WRITE_SYNC      (WRITE | (1 << BIO_RW_SYNC))
 #define SWRITE_SYNC     (SWRITE | (1 << BIO_RW_SYNC))
-#define WRITE_BARRIER   ((1 << BIO_RW) | (1 << BIO_RW_BARRIER))
+#define WRITE_BARRIER   (WRITE | (1 << BIO_RW_BARRIER))
+#define DISCARD_NOBARRIER (1 << BIO_RW_DISCARD)
+#define DISCARD_BARRIER ((1 << BIO_RW_DISCARD) | (1 << BIO_RW_BARRIER))
 #define SEL_IN          1
 #define SEL_OUT         2
@@ -222,6 +224,7 @@ extern int dir_notify_enable;
 #define BLKTRACESTART _IO(0x12,116)
 #define BLKTRACESTOP _IO(0x12,117)
 #define BLKTRACETEARDOWN _IO(0x12,118)
+#define BLKDISCARD _IO(0x12,119)
 #define BMAP_IOCTL 1            /* obsolete - kept for compatibility */
 #define FIBMAP     _IO(0x00,1)  /* bmap access */
@@ -1682,6 +1685,7 @@ extern void chrdev_show(struct seq_file *,off_t);
 /* fs/block_dev.c */
 #define BDEVNAME_SIZE   32      /* Largest string for a blockdev identifier */
+#define BDEVT_SIZE      10      /* Largest string for MAJ:MIN for blkdev */
 #ifdef CONFIG_BLOCK
 #define BLKDEV_MAJOR_HASH_SIZE  255
@@ -1718,6 +1722,9 @@ extern int fs_may_remount_ro(struct super_block *);
 */
 #define bio_data_dir(bio)       ((bio)->bi_rw & 1)
+extern void check_disk_size_change(struct gendisk *disk,
+                                   struct block_device *bdev);
+extern int revalidate_disk(struct gendisk *);
 extern int check_disk_change(struct block_device *);
 extern int __invalidate_device(struct block_device *);
 extern int invalidate_partition(struct gendisk *, int);
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index be4f5e5bfe06..206cdf96c3a7 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -11,12 +11,15 @@
 #include <linux/types.h>
 #include <linux/kdev_t.h>
+#include <linux/rcupdate.h>
 #ifdef CONFIG_BLOCK
-#define kobj_to_dev(k) container_of(k, struct device, kobj)
+#define kobj_to_dev(k)          container_of((k), struct device, kobj)
-#define dev_to_disk(device) container_of(device, struct gendisk, dev)
+#define dev_to_disk(device)     container_of((device), struct gendisk, part0.__dev)
-#define dev_to_part(device) container_of(device, struct hd_struct, dev)
+#define dev_to_part(device)     container_of((device), struct hd_struct, __dev)
+#define disk_to_dev(disk)       (&(disk)->part0.__dev)
+#define part_to_dev(part)       (&((part)->__dev))
 extern struct device_type part_type;
 extern struct kobject *block_depr;
@@ -55,6 +58,9 @@ enum {
        UNIXWARE_PARTITION = 0x63,      /* Same as GNU_HURD and SCO Unix */
 };
+#define DISK_MAX_PARTS                  256
+#define DISK_NAME_LEN                   32
 #include <linux/major.h>
 #include <linux/device.h>
 #include <linux/smp.h>
@@ -87,7 +93,7 @@ struct disk_stats {
 struct hd_struct {
        sector_t start_sect;
        sector_t nr_sects;
-        struct device dev;
+        struct device __dev;
        struct kobject *holder_dir;
        int policy, partno;
 #ifdef CONFIG_FAIL_MAKE_REQUEST
@@ -100,6 +106,7 @@ struct hd_struct {
 #else
        struct disk_stats dkstats;
 #endif
+        struct rcu_head rcu_head;
 };
 #define GENHD_FL_REMOVABLE                      1
@@ -108,100 +115,148 @@ struct hd_struct {
 #define GENHD_FL_CD                             8
 #define GENHD_FL_UP                             16
 #define GENHD_FL_SUPPRESS_PARTITION_INFO        32
-#define GENHD_FL_FAIL                           64
+#define GENHD_FL_EXT_DEVT                       64 /* allow extended devt */
+#define BLK_SCSI_MAX_CMDS       (256)
+#define BLK_SCSI_CMD_PER_LONG   (BLK_SCSI_MAX_CMDS / (sizeof(long) * 8))
+struct blk_scsi_cmd_filter {
+        unsigned long read_ok[BLK_SCSI_CMD_PER_LONG];
+        unsigned long write_ok[BLK_SCSI_CMD_PER_LONG];
+        struct kobject kobj;
+};
+struct disk_part_tbl {
+        struct rcu_head rcu_head;
+        int len;
+        struct hd_struct *part[];
+};
 struct gendisk {
+        /* major, first_minor and minors are input parameters only,
+         * don't use directly.  Use disk_devt() and disk_max_parts().
+         */
        int major;                      /* major number of driver */
        int first_minor;
        int minors;                     /* maximum number of minors, =1 for
                                         * disks that can't be partitioned. */
-        char disk_name[32];             /* name of major driver */
-        struct hd_struct **part;        /* [indexed by minor] */
+        char disk_name[DISK_NAME_LEN];  /* name of major driver */
+        /* Array of pointers to partitions indexed by partno.
+         * Protected with matching bdev lock but stat and other
+         * non-critical accesses use RCU.  Always access through
+         * helpers.
+         */
+        struct disk_part_tbl *part_tbl;
+        struct hd_struct part0;
        struct block_device_operations *fops;
        struct request_queue *queue;
        void *private_data;
-        sector_t capacity;
        int flags;
        struct device *driverfs_dev;  // FIXME: remove
-        struct device dev;
-        struct kobject *holder_dir;
        struct kobject *slave_dir;
        struct timer_rand_state *random;
-        int policy;
        atomic_t sync_io;               /* RAID */
-        unsigned long stamp;
-        int in_flight;
-#ifdef  CONFIG_SMP
-        struct disk_stats *dkstats;
-#else
-        struct disk_stats dkstats;
-#endif
        struct work_struct async_notify;
 #ifdef  CONFIG_BLK_DEV_INTEGRITY
        struct blk_integrity *integrity;
 #endif
+        int node_id;
 };
-/* 
+static inline struct gendisk *part_to_disk(struct hd_struct *part)
- * Macros to operate on percpu disk statistics:
- *
- * The __ variants should only be called in critical sections. The full
- * variants disable/enable preemption.
- */
-static inline struct hd_struct *get_part(struct gendisk *gendiskp,
-                                         sector_t sector)
 {
-        struct hd_struct *part;
+        if (likely(part)) {
-        int i;
+                if (part->partno)
-        for (i = 0; i < gendiskp->minors - 1; i++) {
+                        return dev_to_disk(part_to_dev(part)->parent);
-                part = gendiskp->part[i];
+                else
-                if (part && part->start_sect <= sector
+                        return dev_to_disk(part_to_dev(part));
-                    && sector < part->start_sect + part->nr_sects)
-                        return part;
        }
        return NULL;
 }
-#ifdef  CONFIG_SMP
+static inline int disk_max_parts(struct gendisk *disk)
-#define __disk_stat_add(gendiskp, field, addnd)         \
+{
-        (per_cpu_ptr(gendiskp->dkstats, smp_processor_id())->field += addnd)
+        if (disk->flags & GENHD_FL_EXT_DEVT)
+                return DISK_MAX_PARTS;
+        return disk->minors;
+}
-#define disk_stat_read(gendiskp, field)                                 \
+static inline bool disk_partitionable(struct gendisk *disk)
-({                                                                      \
+{
-        typeof(gendiskp->dkstats->field) res = 0;                       \
+        return disk_max_parts(disk) > 1;
-        int i;                                                          \
+}
-        for_each_possible_cpu(i)                                        \
-                res += per_cpu_ptr(gendiskp->dkstats, i)->field;        \
-        res;                                                            \
-})
-static inline void disk_stat_set_all(struct gendisk *gendiskp, int value)       {
+static inline dev_t disk_devt(struct gendisk *disk)
-        int i;
+{
+        return disk_to_dev(disk)->devt;
+}
-        for_each_possible_cpu(i)
+static inline dev_t part_devt(struct hd_struct *part)
-                memset(per_cpu_ptr(gendiskp->dkstats, i), value,
+{
-                                sizeof(struct disk_stats));
+        return part_to_dev(part)->devt;
-}               
+}
-#define __part_stat_add(part, field, addnd)                             \
+extern struct hd_struct *disk_get_part(struct gendisk *disk, int partno);
-        (per_cpu_ptr(part->dkstats, smp_processor_id())->field += addnd)
-#define __all_stat_add(gendiskp, part, field, addnd, sector)    \
+static inline void disk_put_part(struct hd_struct *part)
-({                                                              \
+{
-        if (part)                                               \
+        if (likely(part))
-                __part_stat_add(part, field, addnd);            \
+                put_device(part_to_dev(part));
-        __disk_stat_add(gendiskp, field, addnd);                \
+}
-})
+/*
+ * Smarter partition iterator without context limits.
+ */
+#define DISK_PITER_REVERSE      (1 << 0) /* iterate in the reverse direction */
+#define DISK_PITER_INCL_EMPTY   (1 << 1) /* include 0-sized parts */
+#define DISK_PITER_INCL_PART0   (1 << 2) /* include partition 0 */
+struct disk_part_iter {
+        struct gendisk          *disk;
+        struct hd_struct        *part;
+        int                     idx;
+        unsigned int            flags;
+};
+extern void disk_part_iter_init(struct disk_part_iter *piter,
+                                 struct gendisk *disk, unsigned int flags);
+extern struct hd_struct *disk_part_iter_next(struct disk_part_iter *piter);
+extern void disk_part_iter_exit(struct disk_part_iter *piter);
+extern struct hd_struct *disk_map_sector_rcu(struct gendisk *disk,
+                                             sector_t sector);
+/*
+ * Macros to operate on percpu disk statistics:
+ *
+ * {disk|part|all}_stat_{add|sub|inc|dec}() modify the stat counters
+ * and should be called between disk_stat_lock() and
+ * disk_stat_unlock().
+ *
+ * part_stat_read() can be called at any time.
+ *
+ * part_stat_{add|set_all}() and {init|free}_part_stats are for
+ * internal use only.
+ */
+#ifdef  CONFIG_SMP
+#define part_stat_lock()        ({ rcu_read_lock(); get_cpu(); })
+#define part_stat_unlock()      do { put_cpu(); rcu_read_unlock(); } while (0)
+#define __part_stat_add(cpu, part, field, addnd)                        \
+        (per_cpu_ptr((part)->dkstats, (cpu))->field += (addnd))
 #define part_stat_read(part, field)                                     \
 ({                                                                      \
-        typeof(part->dkstats->field) res = 0;                           \
+        typeof((part)->dkstats->field) res = 0;                         \
        int i;                                                          \
        for_each_possible_cpu(i)                                        \
-                res += per_cpu_ptr(part->dkstats, i)->field;            \
+                res += per_cpu_ptr((part)->dkstats, i)->field;          \
        res;                                                            \
 })
@@ -213,171 +268,107 @@ static inline void part_stat_set_all(struct hd_struct *part, int value)
                memset(per_cpu_ptr(part->dkstats, i), value,
                                sizeof(struct disk_stats));
 }
-                                
-#else /* !CONFIG_SMP */
-#define __disk_stat_add(gendiskp, field, addnd) \
-                                (gendiskp->dkstats.field += addnd)
-#define disk_stat_read(gendiskp, field) (gendiskp->dkstats.field)
-static inline void disk_stat_set_all(struct gendisk *gendiskp, int value)
+static inline int init_part_stats(struct hd_struct *part)
 {
-        memset(&gendiskp->dkstats, value, sizeof (struct disk_stats));
+        part->dkstats = alloc_percpu(struct disk_stats);
+        if (!part->dkstats)
+                return 0;
+        return 1;
 }
-#define __part_stat_add(part, field, addnd) \
+static inline void free_part_stats(struct hd_struct *part)
-        (part->dkstats.field += addnd)
-#define __all_stat_add(gendiskp, part, field, addnd, sector)    \
-({                                                              \
-        if (part)                                               \
-                part->dkstats.field += addnd;                   \
-        __disk_stat_add(gendiskp, field, addnd);                \
-})
-#define part_stat_read(part, field)     (part->dkstats.field)
-static inline void part_stat_set_all(struct hd_struct *part, int value)
 {
-        memset(&part->dkstats, value, sizeof(struct disk_stats));
+        free_percpu(part->dkstats);
 }
-#endif /* CONFIG_SMP */
+#else /* !CONFIG_SMP */
+#define part_stat_lock()        ({ rcu_read_lock(); 0; })
+#define part_stat_unlock()      rcu_read_unlock()
-#define disk_stat_add(gendiskp, field, addnd)                   \
+#define __part_stat_add(cpu, part, field, addnd)                                \
-        do {                                                    \
+        ((part)->dkstats.field += addnd)
-                preempt_disable();                              \
-                __disk_stat_add(gendiskp, field, addnd);        \
+#define part_stat_read(part, field)     ((part)->dkstats.field)
-                preempt_enable();                               \
-        } while (0)
-#define __disk_stat_dec(gendiskp, field) __disk_stat_add(gendiskp, field, -1)
-#define disk_stat_dec(gendiskp, field) disk_stat_add(gendiskp, field, -1)
-#define __disk_stat_inc(gendiskp, field) __disk_stat_add(gendiskp, field, 1)
-#define disk_stat_inc(gendiskp, field) disk_stat_add(gendiskp, field, 1)
-#define __disk_stat_sub(gendiskp, field, subnd) \
-                __disk_stat_add(gendiskp, field, -subnd)
-#define disk_stat_sub(gendiskp, field, subnd) \
-                disk_stat_add(gendiskp, field, -subnd)
-#define part_stat_add(gendiskp, field, addnd)           \
-        do {                                            \
-                preempt_disable();                      \
-                __part_stat_add(gendiskp, field, addnd);\
-                preempt_enable();                       \
-        } while (0)
-#define __part_stat_dec(gendiskp, field) __part_stat_add(gendiskp, field, -1)
-#define part_stat_dec(gendiskp, field) part_stat_add(gendiskp, field, -1)
-#define __part_stat_inc(gendiskp, field) __part_stat_add(gendiskp, field, 1)
-#define part_stat_inc(gendiskp, field) part_stat_add(gendiskp, field, 1)
-#define __part_stat_sub(gendiskp, field, subnd) \
-                __part_stat_add(gendiskp, field, -subnd)
-#define part_stat_sub(gendiskp, field, subnd) \
-                part_stat_add(gendiskp, field, -subnd)
-#define all_stat_add(gendiskp, part, field, addnd, sector)      \
-        do {                                                    \
-                preempt_disable();                              \
-                __all_stat_add(gendiskp, part, field, addnd, sector);   \
-                preempt_enable();                               \
-        } while (0)
-#define __all_stat_dec(gendiskp, field, sector) \
-                __all_stat_add(gendiskp, field, -1, sector)
-#define all_stat_dec(gendiskp, field, sector) \
-                all_stat_add(gendiskp, field, -1, sector)
-#define __all_stat_inc(gendiskp, part, field, sector) \
-                __all_stat_add(gendiskp, part, field, 1, sector)
-#define all_stat_inc(gendiskp, part, field, sector) \
-                all_stat_add(gendiskp, part, field, 1, sector)
-#define __all_stat_sub(gendiskp, part, field, subnd, sector) \
-                __all_stat_add(gendiskp, part, field, -subnd, sector)
-#define all_stat_sub(gendiskp, part, field, subnd, sector) \
-                all_stat_add(gendiskp, part, field, -subnd, sector)
-/* Inlines to alloc and free disk stats in struct gendisk */
-#ifdef  CONFIG_SMP
-static inline int init_disk_stats(struct gendisk *disk)
-{
-        disk->dkstats = alloc_percpu(struct disk_stats);
-        if (!disk->dkstats)
-                return 0;
-        return 1;
-}
-static inline void free_disk_stats(struct gendisk *disk)
+static inline void part_stat_set_all(struct hd_struct *part, int value)
 {
-        free_percpu(disk->dkstats);
+        memset(&part->dkstats, value, sizeof(struct disk_stats));
 }
 static inline int init_part_stats(struct hd_struct *part)
 {
-        part->dkstats = alloc_percpu(struct disk_stats);
-        if (!part->dkstats)
-                return 0;
        return 1;
 }
 static inline void free_part_stats(struct hd_struct *part)
 {
-        free_percpu(part->dkstats);
-}
-#else   /* CONFIG_SMP */
-static inline int init_disk_stats(struct gendisk *disk)
-{
-        return 1;
 }
-static inline void free_disk_stats(struct gendisk *disk)
+#endif /* CONFIG_SMP */
-{
-}
-static inline int init_part_stats(struct hd_struct *part)
+#define part_stat_add(cpu, part, field, addnd)  do {                    \
+        __part_stat_add((cpu), (part), field, addnd);                   \
+        if ((part)->partno)                                             \
+                __part_stat_add((cpu), &part_to_disk((part))->part0,    \
+                                field, addnd);                          \
+} while (0)
+#define part_stat_dec(cpu, gendiskp, field)                             \
+        part_stat_add(cpu, gendiskp, field, -1)
+#define part_stat_inc(cpu, gendiskp, field)                             \
+        part_stat_add(cpu, gendiskp, field, 1)
+#define part_stat_sub(cpu, gendiskp, field, subnd)                      \
+        part_stat_add(cpu, gendiskp, field, -subnd)
+static inline void part_inc_in_flight(struct hd_struct *part)
 {
-        return 1;
+        part->in_flight++;
+        if (part->partno)
+                part_to_disk(part)->part0.in_flight++;
 }
-static inline void free_part_stats(struct hd_struct *part)
+static inline void part_dec_in_flight(struct hd_struct *part)
 {
+        part->in_flight--;
+        if (part->partno)
+                part_to_disk(part)->part0.in_flight--;
 }
-#endif  /* CONFIG_SMP */
 /* drivers/block/ll_rw_blk.c */
-extern void disk_round_stats(struct gendisk *disk);
+extern void part_round_stats(int cpu, struct hd_struct *part);
-extern void part_round_stats(struct hd_struct *part);
 /* drivers/block/genhd.c */
 extern int get_blkdev_list(char *, int);
 extern void add_disk(struct gendisk *disk);
 extern void del_gendisk(struct gendisk *gp);
 extern void unlink_gendisk(struct gendisk *gp);
-extern struct gendisk *get_gendisk(dev_t dev, int *part);
+extern struct gendisk *get_gendisk(dev_t dev, int *partno);
+extern struct block_device *bdget_disk(struct gendisk *disk, int partno);
 extern void set_device_ro(struct block_device *bdev, int flag);
 extern void set_disk_ro(struct gendisk *disk, int flag);
+static inline int get_disk_ro(struct gendisk *disk)
+{
+        return disk->part0.policy;
+}
 /* drivers/char/random.c */
 extern void add_disk_randomness(struct gendisk *disk);
 extern void rand_initialize_disk(struct gendisk *disk);
 static inline sector_t get_start_sect(struct block_device *bdev)
 {
-        return bdev->bd_contains == bdev ? 0 : bdev->bd_part->start_sect;
+        return bdev->bd_part->start_sect;
 }
 static inline sector_t get_capacity(struct gendisk *disk)
 {
-        return disk->capacity;
+        return disk->part0.nr_sects;
 }
 static inline void set_capacity(struct gendisk *disk, sector_t size)
 {
-        disk->capacity = size;
+        disk->part0.nr_sects = size;
 }
 #ifdef CONFIG_SOLARIS_X86_PARTITION
@@ -527,9 +518,12 @@ struct unixware_disklabel {
 #define ADDPART_FLAG_RAID       1
 #define ADDPART_FLAG_WHOLEDISK  2
-extern dev_t blk_lookup_devt(const char *name, int part);
+extern int blk_alloc_devt(struct hd_struct *part, dev_t *devt);
-extern char *disk_name (struct gendisk *hd, int part, char *buf);
+extern void blk_free_devt(dev_t devt);
+extern dev_t blk_lookup_devt(const char *name, int partno);
+extern char *disk_name (struct gendisk *hd, int partno, char *buf);
+extern int disk_expand_part_tbl(struct gendisk *disk, int target);
 extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev);
 extern int __must_check add_partition(struct gendisk *, int, sector_t, sector_t, int);
 extern void delete_partition(struct gendisk *, int);
@@ -546,16 +540,23 @@ extern void blk_register_region(dev_t devt, unsigned long range,
                        void *data);
 extern void blk_unregister_region(dev_t devt, unsigned long range);
-static inline struct block_device *bdget_disk(struct gendisk *disk, int index)
+extern ssize_t part_size_show(struct device *dev,
-{
+                              struct device_attribute *attr, char *buf);
-        return bdget(MKDEV(disk->major, disk->first_minor) + index);
+extern ssize_t part_stat_show(struct device *dev,
-}
+                              struct device_attribute *attr, char *buf);
+#ifdef CONFIG_FAIL_MAKE_REQUEST
+extern ssize_t part_fail_show(struct device *dev,
+                              struct device_attribute *attr, char *buf);
+extern ssize_t part_fail_store(struct device *dev,
+                               struct device_attribute *attr,
+                               const char *buf, size_t count);
+#endif /* CONFIG_FAIL_MAKE_REQUEST */
 #else /* CONFIG_BLOCK */
 static inline void printk_all_partitions(void) { }
-static inline dev_t blk_lookup_devt(const char *name, int part)
+static inline dev_t blk_lookup_devt(const char *name, int partno)
 {
        dev_t devt = MKDEV(0, 0);
        return devt;
diff --git a/include/linux/gfs2_ondisk.h b/include/linux/gfs2_ondisk.h
index c3c19f926e6f..14d0df0b5749 100644
--- a/include/linux/gfs2_ondisk.h
+++ b/include/linux/gfs2_ondisk.h
@@ -118,7 +118,11 @@ struct gfs2_sb {
        char sb_lockproto[GFS2_LOCKNAME_LEN];
        char sb_locktable[GFS2_LOCKNAME_LEN];
-        /* In gfs1, quota and license dinodes followed */
+        struct gfs2_inum __pad3; /* Was quota inode in gfs1 */
+        struct gfs2_inum __pad4; /* Was licence inode in gfs1 */
+#define GFS2_HAS_UUID 1
+        __u8 sb_uuid[16]; /* The UUID, maybe 0 for backwards compat */
 };
 /*
diff --git a/include/linux/klist.h b/include/linux/klist.h
index 06c338ef7f1b..8ea98db223e5 100644
--- a/include/linux/klist.h
+++ b/include/linux/klist.h
@@ -38,7 +38,7 @@ extern void klist_init(struct klist *k, void (*get)(struct klist_node *),
                       void (*put)(struct klist_node *));
 struct klist_node {
-        struct klist            *n_klist;
+        void                    *n_klist;       /* never access directly */
        struct list_head        n_node;
        struct kref             n_ref;
        struct completion       n_removed;
@@ -57,7 +57,6 @@ extern int klist_node_attached(struct klist_node *n);
 struct klist_iter {
        struct klist            *i_klist;
-        struct list_head        *i_head;
        struct klist_node       *i_cur;
 };
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 225bfc5bd9ec..947cf84e555d 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -146,6 +146,7 @@ enum {
        ATA_DFLAG_SPUNDOWN      = (1 << 14), /* XXX: for spindown_compat */
        ATA_DFLAG_SLEEPING      = (1 << 15), /* device is sleeping */
        ATA_DFLAG_DUBIOUS_XFER  = (1 << 16), /* data transfer not verified */
+        ATA_DFLAG_NO_UNLOAD     = (1 << 17), /* device doesn't support unload */
        ATA_DFLAG_INIT_MASK     = (1 << 24) - 1,
        ATA_DFLAG_DETACH        = (1 << 24),
@@ -244,6 +245,7 @@ enum {
        ATA_TMOUT_BOOT          = 30000,        /* heuristic */
        ATA_TMOUT_BOOT_QUICK    =  7000,        /* heuristic */
        ATA_TMOUT_INTERNAL_QUICK = 5000,
+        ATA_TMOUT_MAX_PARK      = 30000,
        /* FIXME: GoVault needs 2s but we can't afford that without
         * parallel probing.  800ms is enough for iVDR disk
@@ -319,8 +321,11 @@ enum {
        ATA_EH_RESET            = ATA_EH_SOFTRESET | ATA_EH_HARDRESET,
        ATA_EH_ENABLE_LINK      = (1 << 3),
        ATA_EH_LPM              = (1 << 4),  /* link power management action */
+        ATA_EH_PARK             = (1 << 5), /* unload heads and stop I/O */
-        ATA_EH_PERDEV_MASK      = ATA_EH_REVALIDATE,
+        ATA_EH_PERDEV_MASK      = ATA_EH_REVALIDATE | ATA_EH_PARK,
+        ATA_EH_ALL_ACTIONS      = ATA_EH_REVALIDATE | ATA_EH_RESET |
+                                  ATA_EH_ENABLE_LINK | ATA_EH_LPM,
        /* ata_eh_info->flags */
        ATA_EHI_HOTPLUGGED      = (1 << 0),  /* could have been hotplugged */
@@ -452,6 +457,7 @@ enum link_pm {
        MEDIUM_POWER,
 };
 extern struct device_attribute dev_attr_link_power_management_policy;
+extern struct device_attribute dev_attr_unload_heads;
 extern struct device_attribute dev_attr_em_message_type;
 extern struct device_attribute dev_attr_em_message;
 extern struct device_attribute dev_attr_sw_activity;
@@ -554,8 +560,8 @@ struct ata_ering {
 struct ata_device {
        struct ata_link         *link;
        unsigned int            devno;          /* 0 or 1 */
-        unsigned long           flags;          /* ATA_DFLAG_xxx */
        unsigned int            horkage;        /* List of broken features */
+        unsigned long           flags;          /* ATA_DFLAG_xxx */
        struct scsi_device      *sdev;          /* attached SCSI device */
 #ifdef CONFIG_ATA_ACPI
        acpi_handle             acpi_handle;
@@ -564,6 +570,7 @@ struct ata_device {
        /* n_sector is used as CLEAR_OFFSET, read comment above CLEAR_OFFSET */
        u64                     n_sectors;      /* size of device, if ATA */
        unsigned int            class;          /* ATA_DEV_xxx */
+        unsigned long           unpark_deadline;
        u8                      pio_mode;
        u8                      dma_mode;
@@ -621,6 +628,7 @@ struct ata_eh_context {
                                               [ATA_EH_CMD_TIMEOUT_TABLE_SIZE];
        unsigned int            classes[ATA_MAX_DEVICES];
        unsigned int            did_probe_mask;
+        unsigned int            unloaded_mask;
        unsigned int            saved_ncq_enabled;
        u8                      saved_xfer_mode[ATA_MAX_DEVICES];
        /* timestamp for the last reset attempt or success */
@@ -688,7 +696,8 @@ struct ata_port {
        unsigned int            qc_active;
        int                     nr_active_links; /* #links with active qcs */
-        struct ata_link         link;   /* host default link */
+        struct ata_link         link;           /* host default link */
+        struct ata_link         *slave_link;    /* see ata_slave_link_init() */
        int                     nr_pmp_links;   /* nr of available PMP links */
        struct ata_link         *pmp_link;      /* array of PMP links */
@@ -709,6 +718,7 @@ struct ata_port {
        struct list_head        eh_done_q;
        wait_queue_head_t       eh_wait_q;
        int                     eh_tries;
+        struct completion       park_req_pending;
        pm_message_t            pm_mesg;
        int                     *pm_result;
@@ -772,8 +782,8 @@ struct ata_port_operations {
        /*
         * Optional features
         */
-        int  (*scr_read)(struct ata_port *ap, unsigned int sc_reg, u32 *val);
+        int  (*scr_read)(struct ata_link *link, unsigned int sc_reg, u32 *val);
-        int  (*scr_write)(struct ata_port *ap, unsigned int sc_reg, u32 val);
+        int  (*scr_write)(struct ata_link *link, unsigned int sc_reg, u32 val);
        void (*pmp_attach)(struct ata_port *ap);
        void (*pmp_detach)(struct ata_port *ap);
        int  (*enable_pm)(struct ata_port *ap, enum link_pm policy);
@@ -895,6 +905,7 @@ extern void ata_port_disable(struct ata_port *);
 extern struct ata_host *ata_host_alloc(struct device *dev, int max_ports);
 extern struct ata_host *ata_host_alloc_pinfo(struct device *dev,
                        const struct ata_port_info * const * ppi, int n_ports);
+extern int ata_slave_link_init(struct ata_port *ap);
 extern int ata_host_start(struct ata_host *host);
 extern int ata_host_register(struct ata_host *host,
                             struct scsi_host_template *sht);
@@ -920,8 +931,8 @@ extern int sata_scr_valid(struct ata_link *link);
 extern int sata_scr_read(struct ata_link *link, int reg, u32 *val);
 extern int sata_scr_write(struct ata_link *link, int reg, u32 val);
 extern int sata_scr_write_flush(struct ata_link *link, int reg, u32 val);
-extern int ata_link_online(struct ata_link *link);
+extern bool ata_link_online(struct ata_link *link);
-extern int ata_link_offline(struct ata_link *link);
+extern bool ata_link_offline(struct ata_link *link);
 #ifdef CONFIG_PM
 extern int ata_host_suspend(struct ata_host *host, pm_message_t mesg);
 extern void ata_host_resume(struct ata_host *host);
@@ -1098,6 +1109,7 @@ extern void ata_std_error_handler(struct ata_port *ap);
 */
 extern const struct ata_port_operations ata_base_port_ops;
 extern const struct ata_port_operations sata_port_ops;
+extern struct device_attribute *ata_common_sdev_attrs[];
 #define ATA_BASE_SHT(drv_name)                                  \
        .module                 = THIS_MODULE,                  \
@@ -1112,7 +1124,8 @@ extern const struct ata_port_operations sata_port_ops;
        .proc_name              = drv_name,                     \
        .slave_configure        = ata_scsi_slave_config,        \
        .slave_destroy          = ata_scsi_slave_destroy,       \
-        .bios_param             = ata_std_bios_param
+        .bios_param             = ata_std_bios_param,           \
+        .sdev_attrs             = ata_common_sdev_attrs
 #define ATA_NCQ_SHT(drv_name)                                   \
        ATA_BASE_SHT(drv_name),                                 \
@@ -1134,7 +1147,7 @@ static inline bool sata_pmp_attached(struct ata_port *ap)
 static inline int ata_is_host_link(const struct ata_link *link)
 {
-        return link == &link->ap->link;
+        return link == &link->ap->link || link == link->ap->slave_link;
 }
 #else /* CONFIG_SATA_PMP */
 static inline bool sata_pmp_supported(struct ata_port *ap)
@@ -1167,7 +1180,7 @@ static inline int sata_srst_pmp(struct ata_link *link)
        printk("%sata%u: "fmt, lv, (ap)->print_id , ##args)
 #define ata_link_printk(link, lv, fmt, args...) do { \
-        if (sata_pmp_attached((link)->ap)) \
+        if (sata_pmp_attached((link)->ap) || (link)->ap->slave_link)    \
                printk("%sata%u.%02u: "fmt, lv, (link)->ap->print_id,   \
                       (link)->pmp , ##args); \
        else \
@@ -1265,34 +1278,17 @@ static inline int ata_link_active(struct ata_link *link)
        return ata_tag_valid(link->active_tag) || link->sactive;
 }
-static inline struct ata_link *ata_port_first_link(struct ata_port *ap)
+extern struct ata_link *__ata_port_next_link(struct ata_port *ap,
-{
+                                             struct ata_link *link,
-        if (sata_pmp_attached(ap))
+                                             bool dev_only);
-                return ap->pmp_link;
-        return &ap->link;
-}
-static inline struct ata_link *ata_port_next_link(struct ata_link *link)
-{
-        struct ata_port *ap = link->ap;
-        if (ata_is_host_link(link)) {
-                if (!sata_pmp_attached(ap))
-                        return NULL;
-                return ap->pmp_link;
-        }
-        if (++link < ap->nr_pmp_links + ap->pmp_link)
-                return link;
-        return NULL;
-}
-#define __ata_port_for_each_link(lk, ap) \
+#define __ata_port_for_each_link(link, ap) \
-        for ((lk) = &(ap)->link; (lk); (lk) = ata_port_next_link(lk))
+        for ((link) = __ata_port_next_link((ap), NULL, false); (link); \
+             (link) = __ata_port_next_link((ap), (link), false))
 #define ata_port_for_each_link(link, ap) \
-        for ((link) = ata_port_first_link(ap); (link); \
+        for ((link) = __ata_port_next_link((ap), NULL, true); (link); \
-             (link) = ata_port_next_link(link))
+             (link) = __ata_port_next_link((ap), (link), true))
 #define ata_link_for_each_dev(dev, link) \
        for ((dev) = (link)->device; \
diff --git a/include/linux/major.h b/include/linux/major.h
index 53d5fafd85c3..88249452b935 100644
--- a/include/linux/major.h
+++ b/include/linux/major.h
@@ -170,4 +170,6 @@
 #define VIOTAPE_MAJOR           230
+#define BLOCK_EXT_MAJOR         259
 #endif
diff --git a/include/linux/mtd/blktrans.h b/include/linux/mtd/blktrans.h
index 310e61606415..8b4aa0523db7 100644
--- a/include/linux/mtd/blktrans.h
+++ b/include/linux/mtd/blktrans.h
@@ -41,6 +41,8 @@ struct mtd_blktrans_ops {
                    unsigned long block, char *buffer);
        int (*writesect)(struct mtd_blktrans_dev *dev,
                     unsigned long block, char *buffer);
+        int (*discard)(struct mtd_blktrans_dev *dev,
+                       unsigned long block, unsigned nr_blocks);
        /* Block layer ioctls */
        int (*getgeo)(struct mtd_blktrans_dev *dev, struct hd_geometry *geo);
diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index da2698b0fdd1..b86fa2ffca0c 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -213,9 +213,16 @@ static inline int notifier_to_errno(int ret)
 #define CPU_DOWN_FAILED         0x0006 /* CPU (unsigned)v NOT going down */
 #define CPU_DEAD                0x0007 /* CPU (unsigned)v dead */
 #define CPU_DYING               0x0008 /* CPU (unsigned)v not running any task,
-                                        * not handling interrupts, soon dead */
+                                        * not handling interrupts, soon dead.
+                                        * Called on the dying cpu, interrupts
+                                        * are already disabled. Must not
+                                        * sleep, must not fail */
 #define CPU_POST_DEAD           0x0009 /* CPU (unsigned)v dead, cpu_hotplug
                                        * lock is dropped */
+#define CPU_STARTING            0x000A /* CPU (unsigned)v soon running.
+                                        * Called on the new cpu, just before
+                                        * enabling interrupts. Must not sleep,
+                                        * must not fail */
 /* Used for CPU hotplug events occuring while tasks are frozen due to a suspend
 * operation in progress
@@ -229,6 +236,7 @@ static inline int notifier_to_errno(int ret)
 #define CPU_DOWN_FAILED_FROZEN  (CPU_DOWN_FAILED | CPU_TASKS_FROZEN)
 #define CPU_DEAD_FROZEN         (CPU_DEAD | CPU_TASKS_FROZEN)
 #define CPU_DYING_FROZEN        (CPU_DYING | CPU_TASKS_FROZEN)
+#define CPU_STARTING_FROZEN     (CPU_STARTING | CPU_TASKS_FROZEN)
 /* Hibernation and suspend events */
 #define PM_HIBERNATION_PREPARE  0x0001 /* Going to hibernate */
diff --git a/include/linux/proportions.h b/include/linux/proportions.h
index 5afc1b23346d..cf793bbbd05e 100644
--- a/include/linux/proportions.h
+++ b/include/linux/proportions.h
@@ -104,8 +104,8 @@ struct prop_local_single {
         * snapshot of the last seen global state
         * and a lock protecting this state
         */
-        int shift;
        unsigned long period;
+        int shift;
        spinlock_t lock;                /* protect the snapshot state */
 };
diff --git a/include/linux/rcuclassic.h b/include/linux/rcuclassic.h
index 4ab843622727..5f89b62e6983 100644
--- a/include/linux/rcuclassic.h
+++ b/include/linux/rcuclassic.h
@@ -40,12 +40,21 @@
 #include <linux/cpumask.h>
 #include <linux/seqlock.h>
+#ifdef CONFIG_RCU_CPU_STALL_DETECTOR
+#define RCU_SECONDS_TILL_STALL_CHECK    ( 3 * HZ) /* for rcp->jiffies_stall */
+#define RCU_SECONDS_TILL_STALL_RECHECK  (30 * HZ) /* for rcp->jiffies_stall */
+#endif /* #ifdef CONFIG_RCU_CPU_STALL_DETECTOR */
 /* Global control variables for rcupdate callback mechanism. */
 struct rcu_ctrlblk {
        long    cur;            /* Current batch number.                      */
        long    completed;      /* Number of the last completed batch         */
-        int     next_pending;   /* Is the next batch already waiting?         */
+        long    pending;        /* Number of the last pending batch           */
+#ifdef CONFIG_RCU_CPU_STALL_DETECTOR
+        unsigned long gp_start; /* Time at which GP started in jiffies. */
+        unsigned long jiffies_stall;
+                                /* Time at which to check for CPU stalls. */
+#endif /* #ifdef CONFIG_RCU_CPU_STALL_DETECTOR */
        int     signaled;
@@ -66,11 +75,7 @@ static inline int rcu_batch_after(long a, long b)
        return (a - b) > 0;
 }
-/*
+/* Per-CPU data for Read-Copy UPdate. */
- * Per-CPU data for Read-Copy UPdate.
- * nxtlist - new callbacks are added here
- * curlist - current batch for which quiescent cycle started if any
- */
 struct rcu_data {
        /* 1) quiescent state handling : */
        long            quiescbatch;     /* Batch # for grace period */
@@ -78,12 +83,24 @@ struct rcu_data {
        int             qs_pending;      /* core waits for quiesc state */
        /* 2) batch handling */
-        long            batch;           /* Batch # for current RCU batch */
+        /*
+         * if nxtlist is not NULL, then:
+         * batch:
+         *      The batch # for the last entry of nxtlist
+         * [*nxttail[1], NULL = *nxttail[2]):
+         *      Entries that batch # <= batch
+         * [*nxttail[0], *nxttail[1]):
+         *      Entries that batch # <= batch - 1
+         * [nxtlist, *nxttail[0]):
+         *      Entries that batch # <= batch - 2
+         *      The grace period for these entries has completed, and
+         *      the other grace-period-completed entries may be moved
+         *      here temporarily in rcu_process_callbacks().
+         */
+        long            batch;
        struct rcu_head *nxtlist;
-        struct rcu_head **nxttail;
+        struct rcu_head **nxttail[3];
        long            qlen;            /* # of queued callbacks */
-        struct rcu_head *curlist;
-        struct rcu_head **curtail;
        struct rcu_head *donelist;
        struct rcu_head **donetail;
        long            blimit;          /* Upper limit on a processed batch */
diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index eb4443c7e05b..e649bd3f2c97 100644
--- a/include/linux/rculist.h
+++ b/include/linux/rculist.h
@@ -198,20 +198,6 @@ static inline void list_splice_init_rcu(struct list_head *list,
        at->prev = last;
 }
-/**
- * list_for_each_rcu    -       iterate over an rcu-protected list
- * @pos:        the &struct list_head to use as a loop cursor.
- * @head:       the head for your list.
- *
- * This list-traversal primitive may safely run concurrently with
- * the _rcu list-mutation primitives such as list_add_rcu()
- * as long as the traversal is guarded by rcu_read_lock().
- */
-#define list_for_each_rcu(pos, head) \
-        for (pos = rcu_dereference((head)->next); \
-                prefetch(pos->next), pos != (head); \
-                pos = rcu_dereference(pos->next))
 #define __list_for_each_rcu(pos, head) \
        for (pos = rcu_dereference((head)->next); \
                pos != (head); \
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index e8b4039cfb2f..86f1f5e43e33 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -133,6 +133,26 @@ struct rcu_head {
 #define rcu_read_unlock_bh() __rcu_read_unlock_bh()
 /**
+ * rcu_read_lock_sched - mark the beginning of a RCU-classic critical section
+ *
+ * Should be used with either
+ * - synchronize_sched()
+ * or
+ * - call_rcu_sched() and rcu_barrier_sched()
+ * on the write-side to insure proper synchronization.
+ */
+#define rcu_read_lock_sched() preempt_disable()
+/*
+ * rcu_read_unlock_sched - marks the end of a RCU-classic critical section
+ *
+ * See rcu_read_lock_sched for more information.
+ */
+#define rcu_read_unlock_sched() preempt_enable()
+/**
 * rcu_dereference - fetch an RCU-protected pointer in an
 * RCU read-side critical section.  This pointer may later
 * be safely dereferenced.
diff --git a/include/linux/rcupreempt.h b/include/linux/rcupreempt.h
index 0967f03b0705..3e05c09b54a2 100644
--- a/include/linux/rcupreempt.h
+++ b/include/linux/rcupreempt.h
@@ -57,7 +57,13 @@ static inline void rcu_qsctr_inc(int cpu)
        rdssp->sched_qs++;
 }
 #define rcu_bh_qsctr_inc(cpu)
-#define call_rcu_bh(head, rcu) call_rcu(head, rcu)
+/*
+ * Someone might want to pass call_rcu_bh as a function pointer.
+ * So this needs to just be a rename and not a macro function.
+ *  (no parentheses)
+ */
+#define call_rcu_bh             call_rcu
 /**
 * call_rcu_sched - Queue RCU callback for invocation after sched grace period.
@@ -111,7 +117,6 @@ extern struct rcupreempt_trace *rcupreempt_trace_cpu(int cpu);
 struct softirq_action;
 #ifdef CONFIG_NO_HZ
-DECLARE_PER_CPU(struct rcu_dyntick_sched, rcu_dyntick_sched);
 static inline void rcu_enter_nohz(void)
 {
@@ -126,8 +131,8 @@ static inline void rcu_exit_nohz(void)
 {
        static DEFINE_RATELIMIT_STATE(rs, 10 * HZ, 1);
-        smp_mb(); /* CPUs seeing ++ must see later RCU read-side crit sects */
        __get_cpu_var(rcu_dyntick_sched).dynticks++;
+        smp_mb(); /* CPUs seeing ++ must see later RCU read-side crit sects */
        WARN_ON_RATELIMIT(!(__get_cpu_var(rcu_dyntick_sched).dynticks & 0x1),
                                &rs);
 }
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 3d9120c5ad15..5d0819ee442a 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -451,8 +451,8 @@ struct signal_struct {
         * - everyone except group_exit_task is stopped during signal delivery
         *   of fatal signals, group_exit_task processes the signal.
         */
-        struct task_struct      *group_exit_task;
        int                     notify_count;
+        struct task_struct      *group_exit_task;
        /* thread group stop support, overloads group_exit_code too */
        int                     group_stop_count;
@@ -824,6 +824,9 @@ struct sched_domain {
        unsigned int ttwu_move_affine;
        unsigned int ttwu_move_balance;
 #endif
+#ifdef CONFIG_SCHED_DEBUG
+        char *name;
+#endif
 };
 extern void partition_sched_domains(int ndoms_new, cpumask_t *doms_new,
@@ -897,7 +900,7 @@ struct sched_class {
        void (*yield_task) (struct rq *rq);
        int  (*select_task_rq)(struct task_struct *p, int sync);
-        void (*check_preempt_curr) (struct rq *rq, struct task_struct *p);
+        void (*check_preempt_curr) (struct rq *rq, struct task_struct *p, int sync);
        struct task_struct * (*pick_next_task) (struct rq *rq);
        void (*put_prev_task) (struct rq *rq, struct task_struct *p);
@@ -1010,8 +1013,8 @@ struct sched_entity {
 struct sched_rt_entity {
        struct list_head run_list;
-        unsigned int time_slice;
        unsigned long timeout;
+        unsigned int time_slice;
        int nr_cpus_allowed;
        struct sched_rt_entity *back;
diff --git a/include/linux/security.h b/include/linux/security.h
index 80c4d002864c..f5c4a51eb42e 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1560,11 +1560,6 @@ struct security_operations {
 extern int security_init(void);
 extern int security_module_enable(struct security_operations *ops);
 extern int register_security(struct security_operations *ops);
-extern struct dentry *securityfs_create_file(const char *name, mode_t mode,
-                                             struct dentry *parent, void *data,
-                                             const struct file_operations *fops);
-extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
-extern void securityfs_remove(struct dentry *dentry);
 /* Security operations */
 int security_ptrace_may_access(struct task_struct *child, unsigned int mode);
@@ -2424,25 +2419,6 @@ static inline int security_netlink_recv(struct sk_buff *skb, int cap)
        return cap_netlink_recv(skb, cap);
 }
-static inline struct dentry *securityfs_create_dir(const char *name,
-                                        struct dentry *parent)
-{
-        return ERR_PTR(-ENODEV);
-}
-static inline struct dentry *securityfs_create_file(const char *name,
-                                                mode_t mode,
-                                                struct dentry *parent,
-                                                void *data,
-                                                const struct file_operations *fops)
-{
-        return ERR_PTR(-ENODEV);
-}
-static inline void securityfs_remove(struct dentry *dentry)
-{
-}
 static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
 {
        return -EOPNOTSUPP;
@@ -2806,5 +2782,35 @@ static inline void security_audit_rule_free(void *lsmrule)
 #endif /* CONFIG_SECURITY */
 #endif /* CONFIG_AUDIT */
+#ifdef CONFIG_SECURITYFS
+extern struct dentry *securityfs_create_file(const char *name, mode_t mode,
+                                             struct dentry *parent, void *data,
+                                             const struct file_operations *fops);
+extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
+extern void securityfs_remove(struct dentry *dentry);
+#else /* CONFIG_SECURITYFS */
+static inline struct dentry *securityfs_create_dir(const char *name,
+                                                   struct dentry *parent)
+{
+        return ERR_PTR(-ENODEV);
+}
+static inline struct dentry *securityfs_create_file(const char *name,
+                                                    mode_t mode,
+                                                    struct dentry *parent,
+                                                    void *data,
+                                                    const struct file_operations *fops)
+{
+        return ERR_PTR(-ENODEV);
+}
+static inline void securityfs_remove(struct dentry *dentry)
+{}
+#endif
 #endif /* ! __LINUX_SECURITY_H */
diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h
new file mode 100644
index 000000000000..a3eb2f65b656
--- /dev/null
+++ b/include/linux/string_helpers.h
@@ -0,0 +1,16 @@
+#ifndef _LINUX_STRING_HELPERS_H_
+#define _LINUX_STRING_HELPERS_H_
+#include <linux/types.h>
+/* Descriptions of the types of units to
+ * print in */
+enum string_size_units {
+        STRING_UNITS_10,        /* use powers of 10^3 (standard SI) */
+        STRING_UNITS_2,         /* use binary powers of 2^10 */
+};
+int string_get_size(u64 size, enum string_size_units units,
+                    char *buf, int len);
+#endif
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index f9f6e793575c..855bf95963e7 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -75,7 +75,6 @@ struct scsi_cmnd {
        int retries;
        int allowed;
-        int timeout_per_command;
        unsigned char prot_op;
        unsigned char prot_type;
@@ -86,7 +85,6 @@ struct scsi_cmnd {
        /* These elements define the operation we are about to perform */
        unsigned char *cmnd;
-        struct timer_list eh_timeout;   /* Used to time out the command. */
        /* These elements define the operation we ultimately want to perform */
        struct scsi_data_buffer sdb;
@@ -139,7 +137,6 @@ extern void scsi_put_command(struct scsi_cmnd *);
 extern void __scsi_put_command(struct Scsi_Host *, struct scsi_cmnd *,
                               struct device *);
 extern void scsi_finish_command(struct scsi_cmnd *cmd);
-extern void scsi_req_abort_cmd(struct scsi_cmnd *cmd);
 extern void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count,
                                 size_t *offset, size_t *len);
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 80b2e93c2936..b49e725be039 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -42,9 +42,11 @@ enum scsi_device_state {
                                 * originate in the mid-layer) */
        SDEV_OFFLINE,           /* Device offlined (by error handling or
                                 * user request */
-        SDEV_BLOCK,             /* Device blocked by scsi lld.  No scsi 
+        SDEV_BLOCK,             /* Device blocked by scsi lld.  No
-                                 * commands from user or midlayer should be issued
+                                 * scsi commands from user or midlayer
-                                 * to the scsi lld. */
+                                 * should be issued to the scsi
+                                 * lld. */
+        SDEV_CREATED_BLOCK,     /* same as above but for created devices */
 };
 enum scsi_device_event {
@@ -384,10 +386,23 @@ static inline unsigned int sdev_id(struct scsi_device *sdev)
 #define scmd_id(scmd) sdev_id((scmd)->device)
 #define scmd_channel(scmd) sdev_channel((scmd)->device)
+/*
+ * checks for positions of the SCSI state machine
+ */
 static inline int scsi_device_online(struct scsi_device *sdev)
 {
        return sdev->sdev_state != SDEV_OFFLINE;
 }
+static inline int scsi_device_blocked(struct scsi_device *sdev)
+{
+        return sdev->sdev_state == SDEV_BLOCK ||
+                sdev->sdev_state == SDEV_CREATED_BLOCK;
+}
+static inline int scsi_device_created(struct scsi_device *sdev)
+{
+        return sdev->sdev_state == SDEV_CREATED ||
+                sdev->sdev_state == SDEV_CREATED_BLOCK;
+}
 /* accessor functions for the SCSI parameters */
 static inline int scsi_device_sync(struct scsi_device *sdev)
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 44a55d1bf530..d123ca84e732 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -43,13 +43,6 @@ struct blk_queue_tags;
 #define DISABLE_CLUSTERING 0
 #define ENABLE_CLUSTERING 1
-enum scsi_eh_timer_return {
-        EH_NOT_HANDLED,
-        EH_HANDLED,
-        EH_RESET_TIMER,
-};
 struct scsi_host_template {
        struct module *module;
        const char *name;
@@ -347,7 +340,7 @@ struct scsi_host_template {
         *
         * Status: OPTIONAL
         */
-        enum scsi_eh_timer_return (* eh_timed_out)(struct scsi_cmnd *);
+        enum blk_eh_timer_return (*eh_timed_out)(struct scsi_cmnd *);
        /*
         * Name of proc directory
diff --git a/include/scsi/scsi_netlink.h b/include/scsi/scsi_netlink.h
index 8c1470cc8209..536752c40d41 100644
--- a/include/scsi/scsi_netlink.h
+++ b/include/scsi/scsi_netlink.h
@@ -22,6 +22,9 @@
 #ifndef SCSI_NETLINK_H
 #define SCSI_NETLINK_H
+#include <linux/netlink.h>
 /*
 * This file intended to be included by both kernel and user space
 */
@@ -55,7 +58,41 @@ struct scsi_nl_hdr {
 #define SCSI_NL_TRANSPORT_FC                    1
 #define SCSI_NL_MAX_TRANSPORTS                  2
-/* scsi_nl_hdr->msgtype values are defined in each transport */
+/* Transport-based scsi_nl_hdr->msgtype values are defined in each transport */
+/*
+ * GENERIC SCSI scsi_nl_hdr->msgtype Values
+ */
+        /* kernel -> user */
+#define SCSI_NL_SHOST_VENDOR                    0x0001
+        /* user -> kernel */
+/* SCSI_NL_SHOST_VENDOR msgtype is kernel->user and user->kernel */
+/*
+ * Message Structures :
+ */
+/* macro to round up message lengths to 8byte boundary */
+#define SCSI_NL_MSGALIGN(len)           (((len) + 7) & ~7)
+/*
+ * SCSI HOST Vendor Unique messages :
+ *   SCSI_NL_SHOST_VENDOR
+ *
+ * Note: The Vendor Unique message payload will begin directly after
+ *       this structure, with the length of the payload per vmsg_datalen.
+ *
+ * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
+ *   formatting requirements specified below
+ */
+struct scsi_nl_host_vendor_msg {
+        struct scsi_nl_hdr snlh;                /* must be 1st element ! */
+        uint64_t vendor_id;
+        uint16_t host_no;
+        uint16_t vmsg_datalen;
+} __attribute__((aligned(sizeof(uint64_t))));
 /*
@@ -83,5 +120,28 @@ struct scsi_nl_hdr {
        }
+#ifdef __KERNEL__
+#include <scsi/scsi_host.h>
+/* Exported Kernel Interfaces */
+int scsi_nl_add_transport(u8 tport,
+         int (*msg_handler)(struct sk_buff *),
+        void (*event_handler)(struct notifier_block *, unsigned long, void *));
+void scsi_nl_remove_transport(u8 tport);
+int scsi_nl_add_driver(u64 vendor_id, struct scsi_host_template *hostt,
+        int (*nlmsg_handler)(struct Scsi_Host *shost, void *payload,
+                                 u32 len, u32 pid),
+        void (*nlevt_handler)(struct notifier_block *nb,
+                                 unsigned long event, void *notify_ptr));
+void scsi_nl_remove_driver(u64 vendor_id);
+void scsi_nl_send_transport_msg(u32 pid, struct scsi_nl_hdr *hdr);
+int scsi_nl_send_vendor_msg(u32 pid, unsigned short host_no, u64 vendor_id,
+                         char *data_buf, u32 data_len);
+#endif /* __KERNEL__ */
 #endif /* SCSI_NETLINK_H */
diff --git a/include/scsi/scsi_transport.h b/include/scsi/scsi_transport.h
index 490bd13a634c..0de32cd4e8a7 100644
--- a/include/scsi/scsi_transport.h
+++ b/include/scsi/scsi_transport.h
@@ -21,6 +21,7 @@
 #define SCSI_TRANSPORT_H
 #include <linux/transport_class.h>
+#include <linux/blkdev.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_device.h>
@@ -64,7 +65,7 @@ struct scsi_transport_template {
         *                      begin counting again
         * EH_NOT_HANDLED       Begin normal error recovery
         */
-        enum scsi_eh_timer_return (* eh_timed_out)(struct scsi_cmnd *);
+        enum blk_eh_timer_return (*eh_timed_out)(struct scsi_cmnd *);
        /*
         * Used as callback for the completion of i_t_nexus request
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 878373c32ef7..21018a4df452 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -167,6 +167,26 @@ enum fc_tgtid_binding_type  {
 struct device_attribute dev_attr_vport_##_name =        \
        __ATTR(_name,_mode,_show,_store)
+/*
+ * fc_vport_identifiers: This set of data contains all elements
+ * to uniquely identify and instantiate a FC virtual port.
+ *
+ * Notes:
+ *   symbolic_name: The driver is to append the symbolic_name string data
+ *      to the symbolic_node_name data that it generates by default.
+ *      the resulting combination should then be registered with the switch.
+ *      It is expected that things like Xen may stuff a VM title into
+ *      this field.
+ */
+#define FC_VPORT_SYMBOLIC_NAMELEN               64
+struct fc_vport_identifiers {
+        u64 node_name;
+        u64 port_name;
+        u32 roles;
+        bool disable;
+        enum fc_port_type vport_type;   /* only FC_PORTTYPE_NPIV allowed */
+        char symbolic_name[FC_VPORT_SYMBOLIC_NAMELEN];
+};
 /*
 * FC Virtual Port Attributes
@@ -197,7 +217,6 @@ struct device_attribute dev_attr_vport_##_name = 	\
 * managed by the transport w/o driver interaction.
 */
-#define FC_VPORT_SYMBOLIC_NAMELEN               64
 struct fc_vport {
        /* Fixed Attributes */
@@ -732,6 +751,8 @@ void fc_host_post_vendor_event(struct Scsi_Host *shost, u32 event_number,
         *   be sure to read the Vendor Type and ID formatting requirements
         *   specified in scsi_netlink.h
         */
+struct fc_vport *fc_vport_create(struct Scsi_Host *shost, int channel,
+                struct fc_vport_identifiers *);
 int fc_vport_terminate(struct fc_vport *vport);
 #endif /* SCSI_TRANSPORT_FC_H */