diff options
| author | Nadav Amit <namit@cs.technion.ac.il> | 2014-09-18 22:39:44 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2014-09-24 14:07:52 +0200 |
| commit | 4566654bb9be9e8864df417bb72ceee5136b6a6a (patch) | |
| tree | 2ee30a47fda49fb967dbad7ce7c0158f6e1023e4 /arch/x86/kvm/x86.h | |
| parent | 040c8dc8a5afa7364bb8bb5b1b76c30007d6be14 (diff) | |
KVM: vmx: Inject #GP on invalid PAT CR
Guest which sets the PAT CR to invalid value should get a #GP. Currently, if
vmx supports loading PAT CR during entry, then the value is not checked. This
patch makes the required check in that case.
Signed-off-by: Nadav Amit <namit@cs.technion.ac.il>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/x86.h')
| -rw-r--r-- | arch/x86/kvm/x86.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h index 985fb2c006fa..7cb9c45a5fe0 100644 --- a/arch/x86/kvm/x86.h +++ b/arch/x86/kvm/x86.h @@ -159,6 +159,8 @@ int kvm_write_guest_virt_system(struct x86_emulate_ctxt *ctxt, gva_t addr, void *val, unsigned int bytes, struct x86_exception *exception); +bool kvm_mtrr_valid(struct kvm_vcpu *vcpu, u32 msr, u64 data); + #define KVM_SUPPORTED_XCR0 (XSTATE_FP | XSTATE_SSE | XSTATE_YMM \ | XSTATE_BNDREGS | XSTATE_BNDCSR) extern u64 host_xcr0; |