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KVM: VMX: Improve error reporting during invalid guest state emulation

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If instruction emulation fails, report it properly to userspace.

Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Avi Kivity 2012-06-12 20:22:28 +03:00
parent de87dcddc7
commit de5f70e0c6
1 changed files with 5 additions and 1 deletions
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6
arch/x86/kvm/vmx.c
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@ -4996,8 +4996,12 @@ static int handle_invalid_guest_state(struct kvm_vcpu *vcpu)
goto out; goto out;
} }
if (err != EMULATE_DONE) if (err != EMULATE_DONE) {
vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION;
vcpu->run->internal.ndata = 0;
return 0; return 0;
}
if (signal_pending(current)) if (signal_pending(current))
goto out; goto out;