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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-21 13:45:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-21 13:45:38 -0700 |
| commit | 2a8b67fb72c4c4bc15fe8095e3ed613789c8b82f (patch) | |
| tree | 1dac291641bc5d0a3acff3d1e48b3328ae54462b /arch/x86/include/asm/mwait.h | |
| parent | b6f7e38dbb310557fe890b04b1a376c93f638c3b (diff) | |
| parent | ce5f68246bf2385d6174856708d0b746dc378f20 (diff) | |
| download | kernel_samsung_smdk4412-2a8b67fb72c4c4bc15fe8095e3ed613789c8b82f.zip kernel_samsung_smdk4412-2a8b67fb72c4c4bc15fe8095e3ed613789c8b82f.tar.gz kernel_samsung_smdk4412-2a8b67fb72c4c4bc15fe8095e3ed613789c8b82f.tar.bz2 | |
Merge branch 'x86-idle-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-idle-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, hotplug: In the MWAIT case of play_dead, CLFLUSH the cache line
x86, hotplug: Move WBINVD back outside the play_dead loop
x86, hotplug: Use mwait to offline a processor, fix the legacy case
x86, mwait: Move mwait constants to a common header file
Diffstat (limited to 'arch/x86/include/asm/mwait.h')
| -rw-r--r-- | arch/x86/include/asm/mwait.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mwait.h b/arch/x86/include/asm/mwait.h new file mode 100644 index 0000000..bcdff99 --- /dev/null +++ b/arch/x86/include/asm/mwait.h @@ -0,0 +1,15 @@ +#ifndef _ASM_X86_MWAIT_H +#define _ASM_X86_MWAIT_H + +#define MWAIT_SUBSTATE_MASK 0xf +#define MWAIT_CSTATE_MASK 0xf +#define MWAIT_SUBSTATE_SIZE 4 +#define MWAIT_MAX_NUM_CSTATES 8 + +#define CPUID_MWAIT_LEAF 5 +#define CPUID5_ECX_EXTENSIONS_SUPPORTED 0x1 +#define CPUID5_ECX_INTERRUPT_BREAK 0x2 + +#define MWAIT_ECX_INTERRUPT_BREAK 0x1 + +#endif /* _ASM_X86_MWAIT_H */ |