Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Arun Thomas <> | Subject | [PATCH] x86, cpu: Add cpufeature flag for TSC-Deadline | Date | Sun, 28 Aug 2011 14:03:12 +0200 |
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This patch adds a flag for TSC-Deadline mode, which allows software to set the local APIC timer to one-shot interrupt at an absolute time (i.e., a TSC deadline).
Signed-off-by: Arun Thomas <arun.thomas@gmail.com> --- arch/x86/include/asm/cpufeature.h | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index f24ed51..f19e1e8 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -121,6 +121,7 @@ #define X86_FEATURE_X2APIC (4*32+21) /* x2APIC */ #define X86_FEATURE_MOVBE (4*32+22) /* MOVBE instruction */ #define X86_FEATURE_POPCNT (4*32+23) /* POPCNT instruction */ +#define X86_FEATURE_TSC_DEADLINE (4*32+24) /* APIC supports TSC deadline mode */ #define X86_FEATURE_AES (4*32+25) /* AES instructions */ #define X86_FEATURE_XSAVE (4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */ #define X86_FEATURE_OSXSAVE (4*32+27) /* "" XSAVE enabled in the OS */ -- 1.7.4.1
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