| From: Ben Hutchings <ben@decadent.org.uk> |
| Date: Thu, 27 Sep 2018 21:31:31 +0100 |
| Subject: x86/cpufeatures: Show KAISER in cpuinfo |
| |
| I noticed that in the upstream kernel PTI is exposed in /proc/cpuinfo |
| and in the 4.4 and 4.9 stable branches KAISER is exposed similarly, |
| but for some reason the backport to 3.16 hid it. Change to match the |
| other branches. |
| |
| Signed-off-by: Ben Hutchings <ben@decadent.org.uk> |
| --- |
| --- a/arch/x86/include/asm/cpufeature.h |
| +++ b/arch/x86/include/asm/cpufeature.h |
| @@ -203,7 +203,7 @@ |
| #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 */ |
| +#define X86_FEATURE_KAISER (7*32+31) /* CONFIG_PAGE_TABLE_ISOLATION w/o nokaiser */ |
| |
| /* Virtualization flags: Linux defined, word 8 */ |
| #define X86_FEATURE_TPR_SHADOW (8*32+ 0) /* Intel TPR Shadow */ |
