KVM: VMX: Remove emulation failure report

As Avi noted:

>There are two problems with the kernel failure report.  First, it
>doesn't report enough data - registers, surrounding instructions, etc.
>that are needed to explain what is going on.  Second, it can flood
>dmesg, which is a pretty bad thing to do.

So we remove the emulation failure report in handle_invalid_guest_state(),
and would inspected the guest using userspace tool in the future.

Signed-off-by: Sheng Yang <[email protected]>
Signed-off-by: Marcelo Tosatti <[email protected]>

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index fc1964d5e97c9545157977049fc7140f3bb74b01..516084f3c6d826eb94bf7fe2c70260e8653be65e 100644 (file)
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3449,7 +3449,6 @@ static int handle_invalid_guest_state(struct kvm_vcpu *vcpu)
                }
 
                if (err != EMULATE_DONE) {
-                       kvm_report_emulation_failure(vcpu, "emulation failure");
                        vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
                        vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION;
                        vcpu->run->internal.ndata = 0;