leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

KVM: SVM: Dump Virtual Machine Save Area (VMSA) to klog

Browse Source 
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>
Message-Id: <20220728050919.24113-1-jarkko@profian.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Jarkko Sakkinen 2022-07-28 08:09:19 +03:00 committed by Paolo Bonzini
parent 6c6ab524cf
commit 6fac42f127
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/x86/kvm/svm/sev.c
View File

@ -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;
}