Messages in this thread Patch in this message | | | From | Jarkko Sakkinen <> | Subject | [PATCH] KVM: SVM: Dump Virtual Machine Save Area (VMSA) to klog | Date | Thu, 28 Jul 2022 08:09:19 +0300 |
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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; } -- 2.37.1
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