| Message ID | 20220729122150.601-1-jarkko@profian.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2] KVM: SVM: Dump Virtual Machine Save Area (VMSA) to klog | expand |
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c index 0c240ed04f96..c91a905436d5 100644 --- a/arch/x86/kvm/svm/sev.c +++ b/arch/x86/kvm/svm/sev.c @@ -603,6 +603,10 @@ static int sev_es_sync_vmsa(struct vcpu_svm *svm) save->xss = svm->vcpu.arch.ia32_xss; save->dr6 = svm->vcpu.arch.dr6; + if (printk_ratelimit()) { + print_hex_dump(KERN_DEBUG, "VMSA", DUMP_PREFIX_NONE, 16, 1, save, sizeof(*save), false); + } + return 0; }
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 | 4 ++++ 1 file changed, 4 insertions(+)