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authorPaolo Bonzini <[email protected]>2020-02-04 15:26:29 -0800
committerPaolo Bonzini <[email protected]>2020-02-23 10:11:55 +0100
commit07721feee46b4b248402133228235318199b05ec (patch)
treeff3c54f27b868ad188b952cef4b44a371918d166
parent5ef8acbdd687c9d72582e2c05c0b9756efb37863 (diff)
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: [email protected] [Made commit, added commit msg - Oliver] Signed-off-by: Oliver Upton <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
-rw-r--r--arch/x86/kvm/vmx/vmx.c2
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