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Commit 49ab56ac authored by Alok Kataria's avatar Alok Kataria Committed by H. Peter Anvin
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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: default avatarH. Peter Anvin <hpa@zytor.com>
parent b2bcc7b2

arch/x86/include/asm/cpufeature.h

+2 −0
Original line number Diff line number Diff line
@@ -118,6 +118,7 @@ 
#define X86_FEATURE_XSAVE	(4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */

#define X86_FEATURE_OSXSAVE	(4*32+27) /* "" XSAVE enabled in the OS */

#define X86_FEATURE_AVX		(4*32+28) /* Advanced Vector Extensions */

#define X86_FEATURE_HYPERVISOR	(4*32+31) /* Running on a hypervisor */



/* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */

#define X86_FEATURE_XSTORE	(5*32+ 2) /* "rng" RNG present (xstore) */
@@ -238,6 +239,7 @@ extern const char * const x86_power_flags[32]; 
#define cpu_has_xmm4_2		boot_cpu_has(X86_FEATURE_XMM4_2)

#define cpu_has_x2apic		boot_cpu_has(X86_FEATURE_X2APIC)

#define cpu_has_xsave		boot_cpu_has(X86_FEATURE_XSAVE)

#define cpu_has_hypervisor	boot_cpu_has(X86_FEATURE_HYPERVISOR)



#if defined(CONFIG_X86_INVLPG) || defined(CONFIG_X86_64)

# define cpu_has_invlpg		1