Messages in this thread |  | | Date | Thu, 28 Jul 2022 17:15:43 +0200 | | Subject | Re: [PATCH] KVM: SVM: Dump Virtual Machine Save Area (VMSA) to klog | | From | Paolo Bonzini <> |
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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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