x86/retpoline: Add initial retpoline support

[pandora-kernel.git] / arch / x86 / include / asm / cpufeature.h

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index a6afd47..8e583a6 100644 (file)
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -179,6 +179,8 @@
 #define X86_FEATURE_DTHERM     (7*32+ 7) /* Digital Thermal Sensor */
 #define X86_FEATURE_INVPCID_SINGLE (7*32+ 8) /* Effectively INVPCID && CR4.PCIDE=1 */
 
+#define X86_FEATURE_RETPOLINE  (7*32+29) /* Generic Retpoline mitigation for Spectre variant 2 */
+#define X86_FEATURE_RETPOLINE_AMD (7*32+30) /* AMD Retpoline mitigation for Spectre variant 2 */
 /* Because the ALTERNATIVE scheme is for members of the X86_FEATURE club... */
 #define X86_FEATURE_KAISER     ( 7*32+31) /* "" CONFIG_PAGE_TABLE_ISOLATION w/o nokaiser */