From: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> When IA32_FEATURE_CONTROL.SGX_ENABLE and IA32_FEATURE_CONTROL.LOCK are set by the pre-boot firmware, SGX is usable by the OS. Signed-off-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx> Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> --- arch/x86/include/asm/msr-index.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 17f5c12e1afd..b35cb98b5d60 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -435,6 +435,7 @@ #define FEATURE_CONTROL_LOCKED (1<<0) #define FEATURE_CONTROL_VMXON_ENABLED_INSIDE_SMX (1<<1) #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2) +#define FEATURE_CONTROL_SGX_ENABLE (1<<18) #define FEATURE_CONTROL_LMCE (1<<20) #define MSR_IA32_APICBASE 0x0000001b -- 2.14.1