* [PATCH] KVM: VMX: dump VMCS on failed entry
@ 2019-07-19 16:42 Paolo Bonzini
2019-07-19 21:02 ` Liran Alon
0 siblings, 1 reply; 2+ messages in thread
From: Paolo Bonzini @ 2019-07-19 16:42 UTC (permalink / raw)
To: linux-kernel, kvm
This is useful for debugging, and is ratelimited nowadays.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
arch/x86/kvm/vmx/vmx.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 69536553446d..c7ee5ead1565 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -5829,6 +5829,7 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu)
}
if (unlikely(vmx->fail)) {
+ dump_vmcs();
vcpu->run->exit_reason = KVM_EXIT_FAIL_ENTRY;
vcpu->run->fail_entry.hardware_entry_failure_reason
= vmcs_read32(VM_INSTRUCTION_ERROR);
--
1.8.3.1
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] KVM: VMX: dump VMCS on failed entry
2019-07-19 16:42 [PATCH] KVM: VMX: dump VMCS on failed entry Paolo Bonzini
@ 2019-07-19 21:02 ` Liran Alon
0 siblings, 0 replies; 2+ messages in thread
From: Liran Alon @ 2019-07-19 21:02 UTC (permalink / raw)
To: Paolo Bonzini; +Cc: linux-kernel, kvm
> On 19 Jul 2019, at 19:42, Paolo Bonzini <pbonzini@redhat.com> wrote:
>
> This is useful for debugging, and is ratelimited nowadays.
>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Liran Alon <liran.alon@oracle.com>
> ---
> arch/x86/kvm/vmx/vmx.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
> index 69536553446d..c7ee5ead1565 100644
> --- a/arch/x86/kvm/vmx/vmx.c
> +++ b/arch/x86/kvm/vmx/vmx.c
> @@ -5829,6 +5829,7 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu)
> }
>
> if (unlikely(vmx->fail)) {
> + dump_vmcs();
> vcpu->run->exit_reason = KVM_EXIT_FAIL_ENTRY;
> vcpu->run->fail_entry.hardware_entry_failure_reason
> = vmcs_read32(VM_INSTRUCTION_ERROR);
> --
> 1.8.3.1
>
^ permalink raw reply [flat|nested] 2+ messages in thread
end of thread, other threads:[~2019-07-19 21:03 UTC | newest]
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2019-07-19 16:42 [PATCH] KVM: VMX: dump VMCS on failed entry Paolo Bonzini
2019-07-19 21:02 ` Liran Alon
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