[RFC PATCH] KVM: Only print vcpu_unimpl when DEBUG is set

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Every time I start qemu-kvm on my system the following line is added to
the syslog:

 vcpu0 unhandled rdmsr: 0xc0010001

AFAICS all calls to vcpu_unimpl only contain debugging info with little
or no value for the end user.

Wouldn't something like the following patch make sense?

Signed-off-by: Markus Trippelsdorf <markus@xxxxxxxxxxxxxxx>

diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index b70b48b..6bd816f 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -321,7 +321,7 @@ struct kvm {
 #define kvm_debug(fmt, ...) \
 	pr_debug("kvm [%i]: " fmt, task_pid_nr(current), ## __VA_ARGS__)
 #define kvm_pr_unimpl(fmt, ...) \
-	pr_err_ratelimited("kvm [%i]: " fmt, \
+	pr_debug_ratelimited("kvm [%i]: " fmt, \
 			   task_tgid_nr(current), ## __VA_ARGS__)
 
 /* The guest did something we don't support. */

-- 
Markus
--
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