diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2020-02-04 15:26:29 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-28 15:42:50 +0100 |
| commit | 86dc39e580d8e3ffa42c8157d3e28249fd9a12c5 (patch) | |
| tree | 39e373b8a34f27f10ecdcf03004d5b1274d63b14 /arch | |
| parent | 73e82ee9f04808bf2938b67ab8cbf134d97b7b31 (diff) | |
KVM: nVMX: Don't emulate instructions in guest mode
[ Upstream commit 07721feee46b4b248402133228235318199b05ec ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/vmx.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index f9a76164f486..4dc886d07d2a 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -11354,7 +11354,7 @@ static int vmx_check_intercept(struct kvm_vcpu *vcpu, } /* TODO: check more intercepts... */ - return X86EMUL_CONTINUE; + return X86EMUL_UNHANDLEABLE; } #ifdef CONFIG_X86_64 |