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| author |   Paolo Bonzini <pbonzini@redhat.com> | 2020-02-04 15:26:29 -0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2020-02-23 10:11:55 +0100 |
| commit | 07721feee46b4b248402133228235318199b05ec (patch) | |
| tree | ff3c54f27b868ad188b952cef4b44a371918d166 /arch/x86 | |
| parent | KVM: nVMX: Emulate MTF when performing instruction emulation (diff) | |
| download | linux-dev-07721feee46b4b248402133228235318199b05ec.tar.xz linux-dev-07721feee46b4b248402133228235318199b05ec.zip | |
KVM: nVMX: Don't emulate instructions in guest mode
vmx_check_intercept is not yet fully implemented. To avoid emulating
instructions disallowed by the L1 hypervisor, refuse to emulate
instructions by default.
Cc: stable@vger.kernel.org
[Made commit, added commit msg - Oliver]
Signed-off-by: Oliver Upton <oupton@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kvm/vmx/vmx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c index dcca514ffd42..5801a86f9c24 100644 --- a/arch/x86/kvm/vmx/vmx.c +++ b/arch/x86/kvm/vmx/vmx.c @@ -7164,7 +7164,7 @@ static int vmx_check_intercept(struct kvm_vcpu *vcpu, } /* TODO: check more intercepts... */ - return X86EMUL_CONTINUE; + return X86EMUL_UNHANDLEABLE; } #ifdef CONFIG_X86_64 |