x86: Fix ASM_X86__ header guards

Change header guards named "ASM_X86__*" to "_ASM_X86_*" since:

a. the double underscore is ugly and pointless.
b. no leading underscore violates namespace constraints.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

arch/um/sys-x86_64/syscall_table.c

@@ -41,12 +41,12 @@
 #define stub_rt_sigreturn sys_rt_sigreturn
 
 #define __SYSCALL(nr, sym) extern asmlinkage void sym(void) ;
-#undef ASM_X86__UNISTD_64_H
+#undef _ASM_X86_UNISTD_64_H
 #include "../../x86/include/asm/unistd_64.h"
 
 #undef __SYSCALL
 #define __SYSCALL(nr, sym) [ nr ] = sym,
-#undef ASM_X86__UNISTD_64_H
+#undef _ASM_X86_UNISTD_64_H
 
 typedef void (*sys_call_ptr_t)(void);
 

arch/x86/boot/compressed/misc.c

@@ -16,7 +16,7 @@
  */
 #undef CONFIG_PARAVIRT
 #ifdef CONFIG_X86_32
-#define ASM_X86__DESC_H 1
+#define _ASM_X86_DESC_H 1
 #endif
 
 #ifdef CONFIG_X86_64

arch/x86/include/asm/a.out-core.h

@@ -9,8 +9,8 @@
  * 2 of the Licence, or (at your option) any later version.
  */
 
-#ifndef ASM_X86__A_OUT_CORE_H
-#define ASM_X86__A_OUT_CORE_H
+#ifndef _ASM_X86_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_X86__A_OUT_CORE_H */
+#endif /* _ASM_X86_A_OUT_CORE_H */

arch/x86/include/asm/a.out.h

@@ -1,5 +1,5 @@
-#ifndef ASM_X86__A_OUT_H
-#define ASM_X86__A_OUT_H
+#ifndef _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 */

arch/x86/include/asm/acpi.h

@@ -1,5 +1,5 @@
-#ifndef ASM_X86__ACPI_H
-#define ASM_X86__ACPI_H
+#ifndef _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 /* ASM_X86__ACPI_H */
+#endif /* _ASM_X86_ACPI_H */

arch/x86/include/asm/agp.h

@@ -1,5 +1,5 @@
-#ifndef ASM_X86__AGP_H
-#define ASM_X86__AGP_H
+#ifndef _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 /* ASM_X86__AGP_H */
+#endif /* _ASM_X86_AGP_H */

arch/x86/include/asm/alternative.h

@@ -1,5 +1,5 @@
-#ifndef ASM_X86__ALTERNATIVE_H
-#define ASM_X86__ALTERNATIVE_H
+#ifndef _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 */

arch/x86/include/asm/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
-#define ASM_X86__AMD_IOMMU_H
+#ifndef _ASM_X86_AMD_IOMMU_H
+#define _ASM_X86_AMD_IOMMU_H
 
 #include <linux/irqreturn.h>
 
@@ -32,4 +32,4 @@ static inline int amd_iommu_init(void) { return -ENODEV; }
 static inline void amd_iommu_detect(void) { }
 #endif
 
-#endif /* ASM_X86__AMD_IOMMU_H */
+#endif /* _ASM_X86_AMD_IOMMU_H */

arch/x86/include/asm/amd_iommu_types.h

@@ -17,8 +17,8 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  */
 
-#ifndef ASM_X86__AMD_IOMMU_TYPES_H
-#define ASM_X86__AMD_IOMMU_TYPES_H
+#ifndef _ASM_X86_AMD_IOMMU_TYPES_H
+#define _ASM_X86_AMD_IOMMU_TYPES_H
 
 #include <linux/types.h>
 #include <linux/list.h>
@@ -401,4 +401,4 @@ static inline u16 calc_devid(u8 bus, u8 devfn)
 	return (((u16)bus) << 8) | devfn;
 }
 
-#endif /* ASM_X86__AMD_IOMMU_TYPES_H */
+#endif /* _ASM_X86_AMD_IOMMU_TYPES_H */

arch/x86/include/asm/apic.h

@@ -1,5 +1,5 @@
-#ifndef ASM_X86__APIC_H
-#define ASM_X86__APIC_H
+#ifndef _ASM_X86_APIC_H
+#define _ASM_X86_APIC_H
 
 #include <linux/pm.h>
 #include <linux/delay.h>
@@ -196,4 +196,4 @@ static inline void init_apic_mappings(void) { }
 
 #endif /* !CONFIG_X86_LOCAL_APIC */
 
-#endif /* ASM_X86__APIC_H */
+#endif /* _ASM_X86_APIC_H */

arch/x86/include/asm/apicdef.h

@@ -1,5 +1,5 @@
-#ifndef ASM_X86__APICDEF_H
-#define ASM_X86__APICDEF_H
+#ifndef _ASM_X86_APICDEF_H
+#define _ASM_X86_APICDEF_H
 
 /*
  * Constants for various Intel APICs. (local APIC, IOAPIC, etc.)
@@ -414,4 +414,4 @@ struct local_apic {
 #else
  #define BAD_APICID 0xFFFFu
 #endif
-#endif /* ASM_X86__APICDEF_H */
+#endif /* _ASM_X86_APICDEF_H */

arch/x86/include/asm/arch_hooks.h

@@ -1,5 +1,5 @@
-#ifndef ASM_X86__ARCH_HOOKS_H
-#define ASM_X86__ARCH_HOOKS_H
+#ifndef _ASM_X86_ARCH_HOOKS_H
+#define _ASM_X86_ARCH_HOOKS_H
 
 #include <linux/interrupt.h>
 
@@ -23,4 +23,4 @@ extern void pre_time_init_hook(void);
 extern void time_init_hook(void);
 extern void mca_nmi_hook(void);
 
-#endif /* ASM_X86__ARCH_HOOKS_H */
+#endif /* _ASM_X86_ARCH_HOOKS_H */

arch/x86/include/asm/asm.h

@@ -1,5 +1,5 @@
-#ifndef ASM_X86__ASM_H
-#define ASM_X86__ASM_H
+#ifndef _ASM_X86_ASM_H
+#define _ASM_X86_ASM_H
 
 #ifdef __ASSEMBLY__
 # define __ASM_FORM(x)	x
@@ -44,4 +44,4 @@
 	_ASM_PTR #from "," #to "\n" \
 	" .previous\n"
 
-#endif /* ASM_X86__ASM_H */
+#endif /* _ASM_X86_ASM_H */

arch/x86/include/asm/atomic_32.h

@@ -1,5 +1,5 @@
-#ifndef ASM_X86__ATOMIC_32_H
-#define ASM_X86__ATOMIC_32_H
+#ifndef _ASM_X86_ATOMIC_32_H
+#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 /* ASM_X86__ATOMIC_32_H */
+#endif /* _ASM_X86_ATOMIC_32_H */

arch/x86/include/asm/atomic_64.h

@@ -1,5 +1,5 @@
-#ifndef ASM_X86__ATOMIC_64_H
-#define ASM_X86__ATOMIC_64_H
+#ifndef _ASM_X86_ATOMIC_64_H
+#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 /* ASM_X86__ATOMIC_64_H */
+#endif /* _ASM_X86_ATOMIC_64_H */

arch/x86/include/asm/auxvec.h

@@ -1,5 +1,5 @@
-#ifndef ASM_X86__AUXVEC_H
-#define ASM_X86__AUXVEC_H
+#ifndef _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 /* ASM_X86__AUXVEC_H */
+#endif /* _ASM_X86_AUXVEC_H */

arch/x86/include/asm/bios_ebda.h

@@ -1,5 +1,5 @@
-#ifndef ASM_X86__BIOS_EBDA_H
-#define ASM_X86__BIOS_EBDA_H
+#ifndef _ASM_X86_BIOS_EBDA_H
+#define _ASM_X86_BIOS_EBDA_H
 
 #include <asm/io.h>
 
@@ -33,4 +33,4 @@ static inline void start_periodic_check_for_corruption(void)
 }
 #endif
 
-#endif /* ASM_X86__BIOS_EBDA_H */
+#endif /* _ASM_X86_BIOS_EBDA_H */

arch/x86/include/asm/bitops.h

@@ -1,5 +1,5 @@
-#ifndef ASM_X86__BITOPS_H
-#define ASM_X86__BITOPS_H
+#ifndef _ASM_X86_BITOPS_H
+#define _ASM_X86_BITOPS_H
 
 /*
  * Copyright 1992, Linus Torvalds.
@@ -448,4 +448,4 @@ static inline int fls(int x)
 #include <asm-generic/bitops/minix.h>
 
 #endif /* __KERNEL__ */
-#endif /* ASM_X86__BITOPS_H */
+#endif /* _ASM_X86_BITOPS_H */

arch/x86/include/asm/boot.h

@@ -1,5 +1,5 @@
-#ifndef ASM_X86__BOOT_H
-#define ASM_X86__BOOT_H
+#ifndef _ASM_X86_BOOT_H
+#define _ASM_X86_BOOT_H
 
 /* Don't touch these, unless you really know what you're doing. */
 #define DEF_SYSSEG	0x1000
@@ -23,4 +23,4 @@
 #define BOOT_STACK_SIZE	0x1000
 #endif
 
-#endif /* ASM_X86__BOOT_H */
+#endif /* _ASM_X86_BOOT_H */

arch/x86/include/asm/bootparam.h

@@ -1,5 +1,5 @@
-#ifndef ASM_X86__BOOTPARAM_H
-#define ASM_X86__BOOTPARAM_H
+#ifndef _ASM_X86_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_X86__BOOTPARAM_H */
+#endif /* _ASM_X86_BOOTPARAM_H */