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SubjectRe: [PATCH] KVM: SVM: Dump Virtual Machine Save Area (VMSA) to klog
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On 7/28/22 07:09, Jarkko Sakkinen wrote:
> As Virtual Machine Save Area (VMSA) is essential in troubleshooting
> attestation, dump it to the klog with the KERN_DEBUG level of priority.
>
> Cc: Jarkko Sakkinen <jarkko@kernel.org>
> Suggested-by: Harald Hoyer <harald@profian.com>
> Signed-off-by: Jarkko Sakkinen <jarkko@profian.com>
> ---
> arch/x86/kvm/svm/sev.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
> index 0c240ed04f96..6d44aaba321a 100644
> --- a/arch/x86/kvm/svm/sev.c
> +++ b/arch/x86/kvm/svm/sev.c
> @@ -603,6 +603,9 @@ static int sev_es_sync_vmsa(struct vcpu_svm *svm)
> save->xss = svm->vcpu.arch.ia32_xss;
> save->dr6 = svm->vcpu.arch.dr6;
>
> + pr_debug("Virtual Machine Save Area (VMSA):\n");
> + print_hex_dump(KERN_CONT, "", DUMP_PREFIX_NONE, 16, 1, save, sizeof(*save), false);
> +
> return 0;
> }
>

Queued, thanks.

Paolo

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