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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-05 17:55:20 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-05 17:55:20 -0400
commitea62ccd00fd0b6720b033adfc9984f31130ce195 (patch)
tree9837b797b2466fffcb0af96c388b06eae9c3df18 /include/asm-x86_64/system.h
parent886a0768affe9a32f18c45f8e1393bca9ece5392 (diff)
parent35060b6a9a4e1c89bc6fbea61090e302dbc61847 (diff)
Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6
* 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6: (231 commits) [PATCH] i386: Don't delete cpu_devs data to identify different x86 types in late_initcall [PATCH] i386: type may be unused [PATCH] i386: Some additional chipset register values validation. [PATCH] i386: Add missing !X86_PAE dependincy to the 2G/2G split. [PATCH] x86-64: Don't exclude asm-offsets.c in Documentation/dontdiff [PATCH] i386: avoid redundant preempt_disable in __unlazy_fpu [PATCH] i386: white space fixes in i387.h [PATCH] i386: Drop noisy e820 debugging printks [PATCH] x86-64: Fix allnoconfig error in genapic_flat.c [PATCH] x86-64: Shut up warnings for vfat compat ioctls on other file systems [PATCH] x86-64: Share identical video.S between i386 and x86-64 [PATCH] x86-64: Remove CONFIG_REORDER [PATCH] x86-64: Print type and size correctly for unknown compat ioctls [PATCH] i386: Remove copy_*_user BUG_ONs for (size < 0) [PATCH] i386: Little cleanups in smpboot.c [PATCH] x86-64: Don't enable NUMA for a single node in K8 NUMA scanning [PATCH] x86: Use RDTSCP for synchronous get_cycles if possible [PATCH] i386: Add X86_FEATURE_RDTSCP [PATCH] i386: Implement X86_FEATURE_SYNC_RDTSC on i386 [PATCH] i386: Implement alternative_io for i386 ... Fix up trivial conflict in include/linux/highmem.h manually. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/asm-x86_64/system.h')
-rw-r--r--include/asm-x86_64/system.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/include/asm-x86_64/system.h b/include/asm-x86_64/system.h
index bd376bc8c4ab..213b7fe5d998 100644
--- a/include/asm-x86_64/system.h
+++ b/include/asm-x86_64/system.h
@@ -89,6 +89,11 @@ static inline unsigned long read_cr3(void)
89 return cr3; 89 return cr3;
90} 90}
91 91
92static inline void write_cr3(unsigned long val)
93{
94 asm volatile("movq %0,%%cr3" :: "r" (val) : "memory");
95}
96
92static inline unsigned long read_cr4(void) 97static inline unsigned long read_cr4(void)
93{ 98{
94 unsigned long cr4; 99 unsigned long cr4;
@@ -98,7 +103,7 @@ static inline unsigned long read_cr4(void)
98 103
99static inline void write_cr4(unsigned long val) 104static inline void write_cr4(unsigned long val)
100{ 105{
101 asm volatile("movq %0,%%cr4" :: "r" (val)); 106 asm volatile("movq %0,%%cr4" :: "r" (val) : "memory");
102} 107}
103 108
104#define stts() write_cr0(8 | read_cr0()) 109#define stts() write_cr0(8 | read_cr0())