diff options
| author | Krish Sadhukhan <krish.sadhukhan@oracle.com> | 2020-07-08 00:39:56 +0000 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-07-08 16:21:59 -0400 |
| commit | 761e4169346553c180bbd4a383aedd72f905bc9a (patch) | |
| tree | ced456fa86e62cae7839526c65627c22048597b5 /arch/x86/kvm/svm/svm.h | |
| parent | 53efe527ca4a4432d17c693efde6eec56fb43ebb (diff) | |
KVM: nSVM: Check that MBZ bits in CR3 and CR4 are not set on vmrun of nested guests
According to section "Canonicalization and Consistency Checks" in APM vol. 2
the following guest state is illegal:
"Any MBZ bit of CR3 is set."
"Any MBZ bit of CR4 is set."
Suggeted-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>
Message-Id: <1594168797-29444-3-git-send-email-krish.sadhukhan@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/svm/svm.h')
| -rw-r--r-- | arch/x86/kvm/svm/svm.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h index 71b1dda947e6..121b198b51e9 100644 --- a/arch/x86/kvm/svm/svm.h +++ b/arch/x86/kvm/svm/svm.h @@ -343,7 +343,10 @@ static inline bool gif_set(struct vcpu_svm *svm) } /* svm.c */ -#define MSR_INVALID 0xffffffffU +#define MSR_CR3_LEGACY_RESERVED_MASK 0xfe7U +#define MSR_CR3_LEGACY_PAE_RESERVED_MASK 0x7U +#define MSR_CR3_LONG_RESERVED_MASK 0xfff0000000000fe7U +#define MSR_INVALID 0xffffffffU u32 svm_msrpm_offset(u32 msr); void svm_set_efer(struct kvm_vcpu *vcpu, u64 efer); |