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| author | Ingo Molnar <mingo@elte.hu> | 2008-10-28 16:54:49 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-10-28 16:54:49 +0100 |
| commit | d1a76187a5be4f89c6cb19d800cb5fb7aac735c5 (patch) | |
| tree | 2fac3ffbfffc7560eeef8364b541d0d7a0057920 /arch/x86/include/asm/system_64.h | |
| parent | c7e78cff6b7518212247fb20b1dc6411540dc9af (diff) | |
| parent | 0173a3265b228da319ceb9c1ec6a5682fd1b2d92 (diff) | |
| download | talos-op-linux-d1a76187a5be4f89c6cb19d800cb5fb7aac735c5.tar.gz talos-op-linux-d1a76187a5be4f89c6cb19d800cb5fb7aac735c5.zip | |
Merge commit 'v2.6.28-rc2' into core/locking
Conflicts:
arch/um/include/asm/system.h
Diffstat (limited to 'arch/x86/include/asm/system_64.h')
| -rw-r--r-- | arch/x86/include/asm/system_64.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/include/asm/system_64.h b/arch/x86/include/asm/system_64.h new file mode 100644 index 000000000000..1159e091ad09 --- /dev/null +++ b/arch/x86/include/asm/system_64.h @@ -0,0 +1,22 @@ +#ifndef _ASM_X86_SYSTEM_64_H +#define _ASM_X86_SYSTEM_64_H + +#include <asm/segment.h> +#include <asm/cmpxchg.h> + + +static inline unsigned long read_cr8(void) +{ + unsigned long cr8; + asm volatile("movq %%cr8,%0" : "=r" (cr8)); + return cr8; +} + +static inline void write_cr8(unsigned long val) +{ + asm volatile("movq %0,%%cr8" :: "r" (val) : "memory"); +} + +#include <linux/irqflags.h> + +#endif /* _ASM_X86_SYSTEM_64_H */ |
