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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-20 14:37:08 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-20 14:37:08 -0800 |
| commit | 8a9365a4725a4d6265a416dd63bff937e300308e (patch) | |
| tree | af92e88d6e8d976080674d411850695f48d0f261 /arch/x86/include/uapi | |
| parent | Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip (diff) | |
| parent | x86/cpufeature: Move RING3MWAIT feature to avoid conflicts (diff) | |
| download | linux-dev-8a9365a4725a4d6265a416dd63bff937e300308e.tar.xz linux-dev-8a9365a4725a4d6265a416dd63bff937e300308e.zip | |
Merge branch 'x86-cpufeature-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cpufeature updates from Ingo Molnar:
"The main changes in this cycle were related to enable ring-3
MONITOR/MWAIT instructions support on supported CPUs, by Grzegorz
Andrejczuk and Piotr Luc"
* 'x86-cpufeature-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpufeature: Move RING3MWAIT feature to avoid conflicts
x86/cpufeature: Enable RING3MWAIT for Knights Mill
x86/cpufeature: Enable RING3MWAIT for Knights Landing
x86/cpufeature: Add RING3MWAIT to CPU features
x86/elf: Add HWCAP2 to expose ring 3 MONITOR/MWAIT
x86/msr: Add MSR_MISC_FEATURE_ENABLES and RING3MWAIT bit
x86/cpufeature: Add AVX512_VPOPCNTDQ feature
Diffstat (limited to 'arch/x86/include/uapi')
| -rw-r--r-- | arch/x86/include/uapi/asm/hwcap2.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/include/uapi/asm/hwcap2.h b/arch/x86/include/uapi/asm/hwcap2.h new file mode 100644 index 000000000000..0bd2be5c7617 --- /dev/null +++ b/arch/x86/include/uapi/asm/hwcap2.h @@ -0,0 +1,7 @@ +#ifndef _ASM_X86_HWCAP2_H +#define _ASM_X86_HWCAP2_H + +/* MONITOR/MWAIT enabled in Ring 3 */ +#define HWCAP2_RING3MWAIT (1 << 0) + +#endif |