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KVM: VMX: dump VMCS on failed entry

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This is useful for debugging, and is ratelimited nowadays.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2019-07-19 18:15:08 +02:00
parent 6fc3977ccc
commit 3b20e03a10
1 changed files with 1 additions and 0 deletions
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arch/x86/kvm/vmx/vmx.c
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@ -5829,6 +5829,7 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu)
} }
if (unlikely(vmx->fail)) { if (unlikely(vmx->fail)) {
dump_vmcs();
vcpu->run->exit_reason = KVM_EXIT_FAIL_ENTRY; vcpu->run->exit_reason = KVM_EXIT_FAIL_ENTRY;
vcpu->run->fail_entry.hardware_entry_failure_reason vcpu->run->fail_entry.hardware_entry_failure_reason
= vmcs_read32(VM_INSTRUCTION_ERROR); = vmcs_read32(VM_INSTRUCTION_ERROR);