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 <[email protected]>
Suggested-by: Harald Hoyer <[email protected]>
Signed-off-by: Jarkko Sakkinen <[email protected]>
---
arch/x86/kvm/svm/sev.c | 4 ++++
1 file changed, 4 insertions(+)
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;
}
--
v2:
- Use KERN_DEBUG for print_hex_dump()
- Check for ratelimit.
2.37.1