diff --git a/arch/x86/include/asm/mach-default/apm.h b/arch/x86/include/asm/mach-default/apm.h
index fc392ec..20370c6 100644
--- a/arch/x86/include/asm/mach-default/apm.h
+++ b/arch/x86/include/asm/mach-default/apm.h
@@ -3,8 +3,8 @@
  *  Split out from apm.c by Osamu Tomita <tomita@cinet.co.jp>
  */
 
-#ifndef _ASM_X86_MACH_DEFAULT__APM_H
-#define _ASM_X86_MACH_DEFAULT__APM_H
+#ifndef _ASM_X86_MACH_DEFAULT_APM_H
+#define _ASM_X86_MACH_DEFAULT_APM_H
 
 #ifdef APM_ZERO_SEGS
 #	define APM_DO_ZERO_SEGS \
@@ -70,4 +70,4 @@
 	return error;
 }
 
-#endif /* _ASM_X86_MACH_DEFAULT__APM_H */
+#endif /* _ASM_X86_MACH_DEFAULT_APM_H */
diff --git a/arch/x86/include/asm/mach-default/mach_apic.h b/arch/x86/include/asm/mach-default/mach_apic.h
index 2ad00eb..ff3a6c2 100644
--- a/arch/x86/include/asm/mach-default/mach_apic.h
+++ b/arch/x86/include/asm/mach-default/mach_apic.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_DEFAULT__MACH_APIC_H
-#define _ASM_X86_MACH_DEFAULT__MACH_APIC_H
+#ifndef _ASM_X86_MACH_DEFAULT_MACH_APIC_H
+#define _ASM_X86_MACH_DEFAULT_MACH_APIC_H
 
 #ifdef CONFIG_X86_LOCAL_APIC
 
@@ -153,4 +153,4 @@
 {
 }
 #endif /* CONFIG_X86_LOCAL_APIC */
-#endif /* _ASM_X86_MACH_DEFAULT__MACH_APIC_H */
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_APIC_H */
diff --git a/arch/x86/include/asm/mach-default/mach_apicdef.h b/arch/x86/include/asm/mach-default/mach_apicdef.h
index b9feb25..5317993 100644
--- a/arch/x86/include/asm/mach-default/mach_apicdef.h
+++ b/arch/x86/include/asm/mach-default/mach_apicdef.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_DEFAULT__MACH_APICDEF_H
-#define _ASM_X86_MACH_DEFAULT__MACH_APICDEF_H
+#ifndef _ASM_X86_MACH_DEFAULT_MACH_APICDEF_H
+#define _ASM_X86_MACH_DEFAULT_MACH_APICDEF_H
 
 #include <asm/apic.h>
 
@@ -21,4 +21,4 @@
 #define		GET_APIC_ID(x)	get_apic_id(x)
 #endif
 
-#endif /* _ASM_X86_MACH_DEFAULT__MACH_APICDEF_H */
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_APICDEF_H */
diff --git a/arch/x86/include/asm/mach-default/mach_ipi.h b/arch/x86/include/asm/mach-default/mach_ipi.h
index 377dfd8..fabca01 100644
--- a/arch/x86/include/asm/mach-default/mach_ipi.h
+++ b/arch/x86/include/asm/mach-default/mach_ipi.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_DEFAULT__MACH_IPI_H
-#define _ASM_X86_MACH_DEFAULT__MACH_IPI_H
+#ifndef _ASM_X86_MACH_DEFAULT_MACH_IPI_H
+#define _ASM_X86_MACH_DEFAULT_MACH_IPI_H
 
 /* Avoid include hell */
 #define NMI_VECTOR 0x02
@@ -61,4 +61,4 @@
 }
 #endif
 
-#endif /* _ASM_X86_MACH_DEFAULT__MACH_IPI_H */
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_IPI_H */
diff --git a/arch/x86/include/asm/mach-default/mach_mpparse.h b/arch/x86/include/asm/mach-default/mach_mpparse.h
index 028e08b..8c1ea212 100644
--- a/arch/x86/include/asm/mach-default/mach_mpparse.h
+++ b/arch/x86/include/asm/mach-default/mach_mpparse.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_DEFAULT__MACH_MPPARSE_H
-#define _ASM_X86_MACH_DEFAULT__MACH_MPPARSE_H
+#ifndef _ASM_X86_MACH_DEFAULT_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 @@
 }
 
 
-#endif /* _ASM_X86_MACH_DEFAULT__MACH_MPPARSE_H */
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_MPPARSE_H */
diff --git a/arch/x86/include/asm/mach-default/mach_mpspec.h b/arch/x86/include/asm/mach-default/mach_mpspec.h
index 2a96633..e85ede6 100644
--- a/arch/x86/include/asm/mach-default/mach_mpspec.h
+++ b/arch/x86/include/asm/mach-default/mach_mpspec.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_DEFAULT__MACH_MPSPEC_H
-#define _ASM_X86_MACH_DEFAULT__MACH_MPSPEC_H
+#ifndef _ASM_X86_MACH_DEFAULT_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_X86_MACH_DEFAULT__MACH_MPSPEC_H */
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_MPSPEC_H */
diff --git a/arch/x86/include/asm/mach-default/mach_timer.h b/arch/x86/include/asm/mach-default/mach_timer.h
index a075b46..8537285 100644
--- a/arch/x86/include/asm/mach-default/mach_timer.h
+++ b/arch/x86/include/asm/mach-default/mach_timer.h
@@ -10,8 +10,8 @@
  * directly because of the awkward 8-bit access mechanism of the 82C54
  * device.
  */
-#ifndef _ASM_X86_MACH_DEFAULT__MACH_TIMER_H
-#define _ASM_X86_MACH_DEFAULT__MACH_TIMER_H
+#ifndef _ASM_X86_MACH_DEFAULT_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 @@
 	*count_p = count;
 }
 
-#endif /* _ASM_X86_MACH_DEFAULT__MACH_TIMER_H */
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_TIMER_H */
diff --git a/arch/x86/include/asm/mach-default/mach_traps.h b/arch/x86/include/asm/mach-default/mach_traps.h
index d4fb0bc..f792060 100644
--- a/arch/x86/include/asm/mach-default/mach_traps.h
+++ b/arch/x86/include/asm/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 _ASM_X86_MACH_DEFAULT__MACH_TRAPS_H
-#define _ASM_X86_MACH_DEFAULT__MACH_TRAPS_H
+#ifndef _ASM_X86_MACH_DEFAULT_MACH_TRAPS_H
+#define _ASM_X86_MACH_DEFAULT_MACH_TRAPS_H
 
 #include <asm/mc146818rtc.h>
 
@@ -30,4 +30,4 @@
 		unlock_cmos();
 }
 
-#endif /* _ASM_X86_MACH_DEFAULT__MACH_TRAPS_H */
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_TRAPS_H */
diff --git a/arch/x86/include/asm/mach-default/mach_wakecpu.h b/arch/x86/include/asm/mach-default/mach_wakecpu.h
index d7136fc..d5c0b82 100644
--- a/arch/x86/include/asm/mach-default/mach_wakecpu.h
+++ b/arch/x86/include/asm/mach-default/mach_wakecpu.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_DEFAULT__MACH_WAKECPU_H
-#define _ASM_X86_MACH_DEFAULT__MACH_WAKECPU_H
+#ifndef _ASM_X86_MACH_DEFAULT_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 @@
  #define inquire_remote_apic(apicid) {}
 #endif
 
-#endif /* _ASM_X86_MACH_DEFAULT__MACH_WAKECPU_H */
+#endif /* _ASM_X86_MACH_DEFAULT_MACH_WAKECPU_H */
diff --git a/arch/x86/include/asm/mach-generic/gpio.h b/arch/x86/include/asm/mach-generic/gpio.h
index 5fef612..995c45e 100644
--- a/arch/x86/include/asm/mach-generic/gpio.h
+++ b/arch/x86/include/asm/mach-generic/gpio.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_GENERIC__GPIO_H
-#define _ASM_X86_MACH_GENERIC__GPIO_H
+#ifndef _ASM_X86_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 @@
 
 #include <asm-generic/gpio.h>           /* cansleep wrappers */
 
-#endif /* _ASM_X86_MACH_GENERIC__GPIO_H */
+#endif /* _ASM_X86_MACH_GENERIC_GPIO_H */
diff --git a/arch/x86/include/asm/mach-generic/mach_apic.h b/arch/x86/include/asm/mach-generic/mach_apic.h
index 81668b3..5180bd7 100644
--- a/arch/x86/include/asm/mach-generic/mach_apic.h
+++ b/arch/x86/include/asm/mach-generic/mach_apic.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_GENERIC__MACH_APIC_H
-#define _ASM_X86_MACH_GENERIC__MACH_APIC_H
+#ifndef _ASM_X86_MACH_GENERIC_MACH_APIC_H
+#define _ASM_X86_MACH_GENERIC_MACH_APIC_H
 
 #include <asm/genapic.h>
 
@@ -30,4 +30,4 @@
 
 extern void generic_bigsmp_probe(void);
 
-#endif /* _ASM_X86_MACH_GENERIC__MACH_APIC_H */
+#endif /* _ASM_X86_MACH_GENERIC_MACH_APIC_H */
diff --git a/arch/x86/include/asm/mach-generic/mach_apicdef.h b/arch/x86/include/asm/mach-generic/mach_apicdef.h
index b2eaf1e..68041f3 100644
--- a/arch/x86/include/asm/mach-generic/mach_apicdef.h
+++ b/arch/x86/include/asm/mach-generic/mach_apicdef.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_GENERIC__MACH_APICDEF_H
-#define _ASM_X86_MACH_GENERIC__MACH_APICDEF_H
+#ifndef _ASM_X86_MACH_GENERIC_MACH_APICDEF_H
+#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 /* _ASM_X86_MACH_GENERIC__MACH_APICDEF_H */
+#endif /* _ASM_X86_MACH_GENERIC_MACH_APICDEF_H */
diff --git a/arch/x86/include/asm/mach-generic/mach_ipi.h b/arch/x86/include/asm/mach-generic/mach_ipi.h
index fe430df5..ffd637e 100644
--- a/arch/x86/include/asm/mach-generic/mach_ipi.h
+++ b/arch/x86/include/asm/mach-generic/mach_ipi.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_GENERIC__MACH_IPI_H
-#define _ASM_X86_MACH_GENERIC__MACH_IPI_H
+#ifndef _ASM_X86_MACH_GENERIC_MACH_IPI_H
+#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 /* _ASM_X86_MACH_GENERIC__MACH_IPI_H */
+#endif /* _ASM_X86_MACH_GENERIC_MACH_IPI_H */
diff --git a/arch/x86/include/asm/mach-generic/mach_mpparse.h b/arch/x86/include/asm/mach-generic/mach_mpparse.h
index aed9f85..048f1d4 100644
--- a/arch/x86/include/asm/mach-generic/mach_mpparse.h
+++ b/arch/x86/include/asm/mach-generic/mach_mpparse.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_GENERIC__MACH_MPPARSE_H
-#define _ASM_X86_MACH_GENERIC__MACH_MPPARSE_H
+#ifndef _ASM_X86_MACH_GENERIC_MACH_MPPARSE_H
+#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 acpi_madt_oem_check(char *oem_id, char *oem_table_id);
 
-#endif /* _ASM_X86_MACH_GENERIC__MACH_MPPARSE_H */
+#endif /* _ASM_X86_MACH_GENERIC_MACH_MPPARSE_H */
diff --git a/arch/x86/include/asm/mach-generic/mach_mpspec.h b/arch/x86/include/asm/mach-generic/mach_mpspec.h
index ec615de..bbab5cc 100644
--- a/arch/x86/include/asm/mach-generic/mach_mpspec.h
+++ b/arch/x86/include/asm/mach-generic/mach_mpspec.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_GENERIC__MACH_MPSPEC_H
-#define _ASM_X86_MACH_GENERIC__MACH_MPSPEC_H
+#ifndef _ASM_X86_MACH_GENERIC_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_X86_MACH_GENERIC__MACH_MPSPEC_H */
+#endif /* _ASM_X86_MACH_GENERIC_MACH_MPSPEC_H */
diff --git a/arch/x86/include/asm/mach-rdc321x/gpio.h b/arch/x86/include/asm/mach-rdc321x/gpio.h
index b21d917..c210ab5 100644
--- a/arch/x86/include/asm/mach-rdc321x/gpio.h
+++ b/arch/x86/include/asm/mach-rdc321x/gpio.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_MACH_RDC321X__GPIO_H
-#define _ASM_X86_MACH_RDC321X__GPIO_H
+#ifndef _ASM_X86_MACH_RDC321X_GPIO_H
+#define _ASM_X86_MACH_RDC321X_GPIO_H
 
 #include <linux/kernel.h>
 
@@ -57,4 +57,4 @@
 /* For cansleep */
 #include <asm-generic/gpio.h>
 
-#endif /* _ASM_X86_MACH_RDC321X__GPIO_H */
+#endif /* _ASM_X86_MACH_RDC321X_GPIO_H */
diff --git a/arch/x86/include/asm/uv/bios.h b/arch/x86/include/asm/uv/bios.h
index 2836439..d931d3b 100644
--- a/arch/x86/include/asm/uv/bios.h
+++ b/arch/x86/include/asm/uv/bios.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_UV__BIOS_H
-#define _ASM_X86_UV__BIOS_H
+#ifndef _ASM_X86_UV_BIOS_H
+#define _ASM_X86_UV_BIOS_H
 
 /*
  * UV BIOS layer definitions.
@@ -91,4 +91,4 @@
 
 extern struct kobject *sgi_uv_kobj;	/* /sys/firmware/sgi_uv */
 
-#endif /* _ASM_X86_UV__BIOS_H */
+#endif /* _ASM_X86_UV_BIOS_H */
diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h
index 4d632fd..e236325 100644
--- a/arch/x86/include/asm/uv/uv_bau.h
+++ b/arch/x86/include/asm/uv/uv_bau.h
@@ -8,8 +8,8 @@
  * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved.
  */
 
-#ifndef _ASM_X86_UV__UV_BAU_H
-#define _ASM_X86_UV__UV_BAU_H
+#ifndef _ASM_X86_UV_UV_BAU_H
+#define _ASM_X86_UV_UV_BAU_H
 
 #include <linux/bitmap.h>
 #define BITSPERBYTE 8
@@ -329,4 +329,4 @@
 extern void uv_bau_message_intr1(void);
 extern void uv_bau_timeout_intr1(void);
 
-#endif /* _ASM_X86_UV__UV_BAU_H */
+#endif /* _ASM_X86_UV_UV_BAU_H */
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
index 126fafa..c6ad93e 100644
--- a/arch/x86/include/asm/uv/uv_hub.h
+++ b/arch/x86/include/asm/uv/uv_hub.h
@@ -8,8 +8,8 @@
  * Copyright (C) 2007-2008 Silicon Graphics, Inc. All rights reserved.
  */
 
-#ifndef _ASM_X86_UV__UV_HUB_H
-#define _ASM_X86_UV__UV_HUB_H
+#ifndef _ASM_X86_UV_UV_HUB_H
+#define _ASM_X86_UV_UV_HUB_H
 
 #include <linux/numa.h>
 #include <linux/percpu.h>
@@ -350,5 +350,5 @@
 	return uv_possible_blades;
 }
 
-#endif /* _ASM_X86_UV__UV_HUB_H */
+#endif /* _ASM_X86_UV_UV_HUB_H */
 
diff --git a/arch/x86/include/asm/uv/uv_irq.h b/arch/x86/include/asm/uv/uv_irq.h
index 8502826..9613c8c 100644
--- a/arch/x86/include/asm/uv/uv_irq.h
+++ b/arch/x86/include/asm/uv/uv_irq.h
@@ -8,8 +8,8 @@
  * Copyright (C) 2008 Silicon Graphics, Inc. All rights reserved.
  */
 
-#ifndef _ASM_X86_UV__UV_IRQ_H
-#define _ASM_X86_UV__UV_IRQ_H
+#ifndef _ASM_X86_UV_UV_IRQ_H
+#define _ASM_X86_UV_UV_IRQ_H
 
 /* If a generic version of this structure gets defined, eliminate this one. */
 struct uv_IO_APIC_route_entry {
@@ -33,4 +33,4 @@
 extern int uv_setup_irq(char *, int, int, unsigned long);
 extern void uv_teardown_irq(unsigned int, int, unsigned long);
 
-#endif /* _ASM_X86_UV__UV_IRQ_H */
+#endif /* _ASM_X86_UV_UV_IRQ_H */
diff --git a/arch/x86/include/asm/uv/uv_mmrs.h b/arch/x86/include/asm/uv/uv_mmrs.h
index 9ce9ba5..dd62779 100644
--- a/arch/x86/include/asm/uv/uv_mmrs.h
+++ b/arch/x86/include/asm/uv/uv_mmrs.h
@@ -8,8 +8,8 @@
  * Copyright (C) 2007-2008 Silicon Graphics, Inc. All rights reserved.
  */
 
-#ifndef _ASM_X86_UV__UV_MMRS_H
-#define _ASM_X86_UV__UV_MMRS_H
+#ifndef _ASM_X86_UV_UV_MMRS_H
+#define _ASM_X86_UV_UV_MMRS_H
 
 #define UV_MMR_ENABLE		(1UL << 63)
 
@@ -1292,4 +1292,4 @@
 };
 
 
-#endif /* _ASM_X86_UV__UV_MMRS_H */
+#endif /* _ASM_X86_UV_UV_MMRS_H */
diff --git a/arch/x86/include/asm/visws/cobalt.h b/arch/x86/include/asm/visws/cobalt.h
index 0cc20f3..166adf6 100644
--- a/arch/x86/include/asm/visws/cobalt.h
+++ b/arch/x86/include/asm/visws/cobalt.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_VISWS__COBALT_H
-#define _ASM_X86_VISWS__COBALT_H
+#ifndef _ASM_X86_VISWS_COBALT_H
+#define _ASM_X86_VISWS_COBALT_H
 
 #include <asm/fixmap.h>
 
@@ -122,4 +122,4 @@
 
 extern char visws_board_rev;
 
-#endif /* _ASM_X86_VISWS__COBALT_H */
+#endif /* _ASM_X86_VISWS_COBALT_H */
diff --git a/arch/x86/include/asm/visws/lithium.h b/arch/x86/include/asm/visws/lithium.h
index 1163e51..a10d89b 100644
--- a/arch/x86/include/asm/visws/lithium.h
+++ b/arch/x86/include/asm/visws/lithium.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_VISWS__LITHIUM_H
-#define _ASM_X86_VISWS__LITHIUM_H
+#ifndef _ASM_X86_VISWS_LITHIUM_H
+#define _ASM_X86_VISWS_LITHIUM_H
 
 #include <asm/fixmap.h>
 
@@ -49,5 +49,5 @@
 	return *((volatile unsigned short *)(LI_PCIB_VADDR+reg));
 }
 
-#endif /* _ASM_X86_VISWS__LITHIUM_H */
+#endif /* _ASM_X86_VISWS_LITHIUM_H */
 
diff --git a/arch/x86/include/asm/visws/piix4.h b/arch/x86/include/asm/visws/piix4.h
index 80d376e..d0af4d3 100644
--- a/arch/x86/include/asm/visws/piix4.h
+++ b/arch/x86/include/asm/visws/piix4.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_VISWS__PIIX4_H
-#define _ASM_X86_VISWS__PIIX4_H
+#ifndef _ASM_X86_VISWS_PIIX4_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 /* _ASM_X86_VISWS__PIIX4_H */
+#endif /* _ASM_X86_VISWS_PIIX4_H */
diff --git a/arch/x86/include/asm/xen/events.h b/arch/x86/include/asm/xen/events.h
index ae3c9ad..1914418 100644
--- a/arch/x86/include/asm/xen/events.h
+++ b/arch/x86/include/asm/xen/events.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_XEN__EVENTS_H
-#define _ASM_X86_XEN__EVENTS_H
+#ifndef _ASM_X86_XEN_EVENTS_H
+#define _ASM_X86_XEN_EVENTS_H
 
 enum ipi_vector {
 	XEN_RESCHEDULE_VECTOR,
@@ -21,4 +21,4 @@
 	do_IRQ(regs);
 }
 
-#endif /* _ASM_X86_XEN__EVENTS_H */
+#endif /* _ASM_X86_XEN_EVENTS_H */
diff --git a/arch/x86/include/asm/xen/grant_table.h b/arch/x86/include/asm/xen/grant_table.h
index 6d55da9..fdbbb45 100644
--- a/arch/x86/include/asm/xen/grant_table.h
+++ b/arch/x86/include/asm/xen/grant_table.h
@@ -1,7 +1,7 @@
-#ifndef _ASM_X86_XEN__GRANT_TABLE_H
-#define _ASM_X86_XEN__GRANT_TABLE_H
+#ifndef _ASM_X86_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 /* _ASM_X86_XEN__GRANT_TABLE_H */
+#endif /* _ASM_X86_XEN_GRANT_TABLE_H */
diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h
index 7c1192a..3f6000d 100644
--- a/arch/x86/include/asm/xen/hypercall.h
+++ b/arch/x86/include/asm/xen/hypercall.h
@@ -30,8 +30,8 @@
  * IN THE SOFTWARE.
  */
 
-#ifndef _ASM_X86_XEN__HYPERCALL_H
-#define _ASM_X86_XEN__HYPERCALL_H
+#ifndef _ASM_X86_XEN_HYPERCALL_H
+#define _ASM_X86_XEN_HYPERCALL_H
 
 #include <linux/errno.h>
 #include <linux/string.h>
@@ -524,4 +524,4 @@
 	mcl->args[1] = esp;
 }
 
-#endif /* _ASM_X86_XEN__HYPERCALL_H */
+#endif /* _ASM_X86_XEN_HYPERCALL_H */
diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h
index ff60551..a38d25a 100644
--- a/arch/x86/include/asm/xen/hypervisor.h
+++ b/arch/x86/include/asm/xen/hypervisor.h
@@ -30,8 +30,8 @@
  * IN THE SOFTWARE.
  */
 
-#ifndef _ASM_X86_XEN__HYPERVISOR_H
-#define _ASM_X86_XEN__HYPERVISOR_H
+#ifndef _ASM_X86_XEN_HYPERVISOR_H
+#define _ASM_X86_XEN_HYPERVISOR_H
 
 #include <linux/types.h>
 #include <linux/kernel.h>
@@ -79,4 +79,4 @@
 #define xen_initial_domain()	(xen_pv_domain() && xen_start_info->flags & SIF_INITDOMAIN)
 #define xen_hvm_domain()	(xen_domain_type == XEN_HVM_DOMAIN)
 
-#endif /* _ASM_X86_XEN__HYPERVISOR_H */
+#endif /* _ASM_X86_XEN_HYPERVISOR_H */
diff --git a/arch/x86/include/asm/xen/interface.h b/arch/x86/include/asm/xen/interface.h
index 6cfc896..e8506c1 100644
--- a/arch/x86/include/asm/xen/interface.h
+++ b/arch/x86/include/asm/xen/interface.h
@@ -6,8 +6,8 @@
  * Copyright (c) 2004, K A Fraser
  */
 
-#ifndef _ASM_X86_XEN__INTERFACE_H
-#define _ASM_X86_XEN__INTERFACE_H
+#ifndef _ASM_X86_XEN_INTERFACE_H
+#define _ASM_X86_XEN_INTERFACE_H
 
 #ifdef __XEN__
 #define __DEFINE_GUEST_HANDLE(name, type) \
@@ -172,4 +172,4 @@
 #define XEN_CPUID          XEN_EMULATE_PREFIX "cpuid"
 #endif
 
-#endif /* _ASM_X86_XEN__INTERFACE_H */
+#endif /* _ASM_X86_XEN_INTERFACE_H */
diff --git a/arch/x86/include/asm/xen/interface_32.h b/arch/x86/include/asm/xen/interface_32.h
index a5377d4..42a7e00 100644
--- a/arch/x86/include/asm/xen/interface_32.h
+++ b/arch/x86/include/asm/xen/interface_32.h
@@ -6,8 +6,8 @@
  * Copyright (c) 2004, K A Fraser
  */
 
-#ifndef _ASM_X86_XEN__INTERFACE_32_H
-#define _ASM_X86_XEN__INTERFACE_32_H
+#ifndef _ASM_X86_XEN_INTERFACE_32_H
+#define _ASM_X86_XEN_INTERFACE_32_H
 
 
 /*
@@ -94,4 +94,4 @@
 #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/arch/x86/include/asm/xen/interface_64.h b/arch/x86/include/asm/xen/interface_64.h
index 21373e7..100d266 100644
--- a/arch/x86/include/asm/xen/interface_64.h
+++ b/arch/x86/include/asm/xen/interface_64.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_XEN__INTERFACE_64_H
-#define _ASM_X86_XEN__INTERFACE_64_H
+#ifndef _ASM_X86_XEN_INTERFACE_64_H
+#define _ASM_X86_XEN_INTERFACE_64_H
 
 /*
  * 64-bit segment selectors
@@ -156,4 +156,4 @@
 #endif /* !__ASSEMBLY__ */
 
 
-#endif /* _ASM_X86_XEN__INTERFACE_64_H */
+#endif /* _ASM_X86_XEN_INTERFACE_64_H */
diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h
index 4f483e4..bc62899 100644
--- a/arch/x86/include/asm/xen/page.h
+++ b/arch/x86/include/asm/xen/page.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_X86_XEN__PAGE_H
-#define _ASM_X86_XEN__PAGE_H
+#ifndef _ASM_X86_XEN_PAGE_H
+#define _ASM_X86_XEN_PAGE_H
 
 #include <linux/pfn.h>
 
@@ -162,4 +162,4 @@
 void make_lowmem_page_readonly(void *vaddr);
 void make_lowmem_page_readwrite(void *vaddr);
 
-#endif /* _ASM_X86_XEN__PAGE_H */
+#endif /* _ASM_X86_XEN_PAGE_H */