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Diffstat (limited to 'arch/x86/kvm/x86.c')
-rw-r--r--arch/x86/kvm/x86.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 7c1ce5a..49079a4 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1121,9 +1121,9 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
static int is_efer_nx(void)
{
- u64 efer;
+ unsigned long long efer = 0;
- rdmsrl(MSR_EFER, efer);
+ rdmsrl_safe(MSR_EFER, &efer);
return efer & EFER_NX;
}
@@ -1259,7 +1259,7 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
bit(X86_FEATURE_CMOV) | bit(X86_FEATURE_PSE36) |
bit(X86_FEATURE_MMX) | bit(X86_FEATURE_FXSR) |
bit(X86_FEATURE_SYSCALL) |
- (bit(X86_FEATURE_NX) && is_efer_nx()) |
+ (is_efer_nx() ? bit(X86_FEATURE_NX) : 0) |
#ifdef CONFIG_X86_64
bit(X86_FEATURE_LM) |
#endif
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