diff options
Diffstat (limited to 'drivers/kvm/mmu.c')
-rw-r--r-- | drivers/kvm/mmu.c | 6 |
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; | |||
143 | #define PFERR_PRESENT_MASK (1U << 0) | 143 | #define PFERR_PRESENT_MASK (1U << 0) |
144 | #define PFERR_WRITE_MASK (1U << 1) | 144 | #define PFERR_WRITE_MASK (1U << 1) |
145 | #define PFERR_USER_MASK (1U << 2) | 145 | #define PFERR_USER_MASK (1U << 2) |
146 | #define PFERR_FETCH_MASK (1U << 4) | ||
146 | 147 | ||
147 | #define PT64_ROOT_LEVEL 4 | 148 | #define PT64_ROOT_LEVEL 4 |
148 | #define PT32_ROOT_LEVEL 2 | 149 | #define PT32_ROOT_LEVEL 2 |
@@ -168,6 +169,11 @@ static int is_cpuid_PSE36(void) | |||
168 | return 1; | 169 | return 1; |
169 | } | 170 | } |
170 | 171 | ||
172 | static int is_nx(struct kvm_vcpu *vcpu) | ||
173 | { | ||
174 | return vcpu->shadow_efer & EFER_NX; | ||
175 | } | ||
176 | |||
171 | static int is_present_pte(unsigned long pte) | 177 | static int is_present_pte(unsigned long pte) |
172 | { | 178 | { |
173 | return pte & PT_PRESENT_MASK; | 179 | return pte & PT_PRESENT_MASK; |