mirror of https://gitee.com/openkylin/linux.git
x86, cpu: Add xsaveopt cpufeature
Add cpu feature bit support for the XSAVEOPT instruction. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> LKML-Reference: <20100719230205.523204988@sbs-t61.sc.intel.com> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
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#define X86_FEATURE_ARAT (7*32+ 1) /* Always Running APIC Timer */
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#define X86_FEATURE_CPB (7*32+ 2) /* AMD Core Performance Boost */
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#define X86_FEATURE_EPB (7*32+ 3) /* IA32_ENERGY_PERF_BIAS support */
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#define X86_FEATURE_XSAVEOPT (7*32+4) /* "xsaveopt" Optimized Xsave */
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/* Virtualization flags: Linux defined, word 8 */
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#define X86_FEATURE_TPR_SHADOW (8*32+ 0) /* Intel TPR Shadow */
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