mirror of https://gitee.com/openkylin/linux.git
x86: add X86_FEATURE_HYPERVISOR feature bit
Impact: Number declaration only. Add X86_FEATURE_HYPERVISOR bit (CPUID level 1, ECX, bit 31). Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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@ -118,6 +118,7 @@
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#define X86_FEATURE_XSAVE (4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */
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#define X86_FEATURE_OSXSAVE (4*32+27) /* "" XSAVE enabled in the OS */
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#define X86_FEATURE_AVX (4*32+28) /* Advanced Vector Extensions */
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#define X86_FEATURE_HYPERVISOR (4*32+31) /* Running on a hypervisor */
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/* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */
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#define X86_FEATURE_XSTORE (5*32+ 2) /* "rng" RNG present (xstore) */
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@ -238,6 +239,7 @@ extern const char * const x86_power_flags[32];
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#define cpu_has_xmm4_2 boot_cpu_has(X86_FEATURE_XMM4_2)
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#define cpu_has_x2apic boot_cpu_has(X86_FEATURE_X2APIC)
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#define cpu_has_xsave boot_cpu_has(X86_FEATURE_XSAVE)
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#define cpu_has_hypervisor boot_cpu_has(X86_FEATURE_HYPERVISOR)
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#if defined(CONFIG_X86_INVLPG) || defined(CONFIG_X86_64)
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# define cpu_has_invlpg 1
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