From 953282a09985592177c418d40060d0f90dba526d Mon Sep 17 00:00:00 2001 From: Feng Wu Date: Mon, 12 May 2014 17:05:33 +0200 Subject: [PATCH] x86/tools: expose SMAP to HVM guests This patch exposes SMAP festure to HVM guests Signed-off-by: Feng Wu Acked-by: Ian Campbell --- tools/libxc/xc_cpufeature.h | 1 + tools/libxc/xc_cpuid_x86.c | 1 + 2 files changed, 2 insertions(+) diff --git a/tools/libxc/xc_cpufeature.h b/tools/libxc/xc_cpufeature.h index 6fce03b92c..66cc82e82d 100644 --- a/tools/libxc/xc_cpufeature.h +++ b/tools/libxc/xc_cpufeature.h @@ -140,6 +140,7 @@ #define X86_FEATURE_RTM 11 /* Restricted Transactional Memory */ #define X86_FEATURE_RDSEED 18 /* RDSEED instruction */ #define X86_FEATURE_ADX 19 /* ADCX, ADOX instructions */ +#define X86_FEATURE_SMAP 20 /* Supervisor Mode Access Protection */ #endif /* __LIBXC_CPUFEATURE_H */ diff --git a/tools/libxc/xc_cpuid_x86.c b/tools/libxc/xc_cpuid_x86.c index 6a02bf011d..4772ca75ba 100644 --- a/tools/libxc/xc_cpuid_x86.c +++ b/tools/libxc/xc_cpuid_x86.c @@ -375,6 +375,7 @@ static void xc_cpuid_hvm_policy( bitmaskof(X86_FEATURE_RTM) | bitmaskof(X86_FEATURE_RDSEED) | bitmaskof(X86_FEATURE_ADX) | + bitmaskof(X86_FEATURE_SMAP) | bitmaskof(X86_FEATURE_FSGSBASE)); } else regs[1] = 0; -- 2.30.2