aboutsummaryrefslogtreecommitdiff
path: root/drivers/kvm/mmu.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/kvm/mmu.c')
-rw-r--r--drivers/kvm/mmu.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c
index a05d0609d918..22c426cd8cb2 100644
--- a/drivers/kvm/mmu.c
+++ b/drivers/kvm/mmu.c
@@ -143,6 +143,7 @@ static int dbg = 1;
#define PFERR_PRESENT_MASK (1U << 0)
#define PFERR_WRITE_MASK (1U << 1)
#define PFERR_USER_MASK (1U << 2)
+#define PFERR_FETCH_MASK (1U << 4)
#define PT64_ROOT_LEVEL 4
#define PT32_ROOT_LEVEL 2
@@ -168,6 +169,11 @@ static int is_cpuid_PSE36(void)
return 1;
}
+static int is_nx(struct kvm_vcpu *vcpu)
+{
+ return vcpu->shadow_efer & EFER_NX;
+}
+
static int is_present_pte(unsigned long pte)
{
return pte & PT_PRESENT_MASK;