x86/bugs: Provide boot parameters for the spec_store_bypass_disable mitigation

[mirror_ubuntu-artful-kernel.git] / arch / x86 / include / asm / cpufeatures.h

diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index b37257fab4b02fe588d7a0d2b3cd94c40ecbfb36..d99985b15f72dd26655b21866a205beba10017c5 100644 (file)
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -214,6 +214,7 @@
 #define X86_FEATURE_SPEC_CTRL          ( 7*32+20) /* Control Speculation Control */
 #define X86_FEATURE_ARCH_CAPABILITIES  ( 7*32+21) /* IA32_ARCH_CAPABILITIES MSR (Intel) */
 #define X86_FEATURE_RDS                        ( 7*32+22) /* Reduced Data Speculation */
+#define X86_FEATURE_SPEC_STORE_BYPASS_DISABLE ( 7*32+23 ) /* Disable Speculative Store Bypass. */
 
 /* Virtualization flags: Linux defined, word 8 */
 #define X86_FEATURE_TPR_SHADOW         ( 8*32+ 0) /* Intel TPR Shadow */