On Thu, Jul 28, 2022 at 05:15:43PM +0200, Paolo Bonzini wrote:
> 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@xxxxxxxxxx>
> > Suggested-by: Harald Hoyer <harald@xxxxxxxxxxx>
> > Signed-off-by: Jarkko Sakkinen <jarkko@xxxxxxxxxxx>
> > ---
> > 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
Ugh, I made a mistake, sorry.
It should have been:
print_hex_dump(KERN_DEBUG, "VMSA:", DUMP_PREFIX_NONE, 16, 1, save, sizeof(*save), false);
I sent wrong version of the patch.
BR, Jarkko
