From: Borislav Petkov <b...@suse.de>

It looks like this in action:

  kvm [5197]: vcpu0, guest rIP: 0xffffffff810187ba unhandled rdmsr: 0xc001102

and helps to pinpoint quickly where in the guest we did the unsupported
thing.

Signed-off-by: Borislav Petkov <b...@suse.de>
---
 include/linux/kvm_host.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 5706a2108f0a..597f6607c440 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -439,7 +439,8 @@ struct kvm {
 
 /* The guest did something we don't support. */
 #define vcpu_unimpl(vcpu, fmt, ...)                                    \
-       kvm_pr_unimpl("vcpu%i " fmt, (vcpu)->vcpu_id, ## __VA_ARGS__)
+       kvm_pr_unimpl("vcpu%i, guest rIP: 0x%lx " fmt,                  \
+                       (vcpu)->vcpu_id, kvm_rip_read(vcpu), ## __VA_ARGS__)
 
 #define vcpu_debug(vcpu, fmt, ...)                                     \
        kvm_debug("vcpu%i " fmt, (vcpu)->vcpu_id, ## __VA_ARGS__)
-- 
2.3.5

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to