KVM: Add and use pr_unimpl for standard formatting of unimplemented features
All guest-invokable printks should be ratelimited to prevent malicious
guests from flooding logs. This is a start.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/drivers/kvm/vmx.c b/drivers/kvm/vmx.c
index 3bf3650..ae54d9a 100644
--- a/drivers/kvm/vmx.c
+++ b/drivers/kvm/vmx.c
@@ -1920,7 +1920,7 @@
break;
}
kvm_run->exit_reason = 0;
- printk(KERN_ERR "kvm: unhandled control register: op %d cr %d\n",
+ pr_unimpl(vcpu, "unhandled control register: op %d cr %d\n",
(int)(exit_qualification >> 4) & 3, cr);
return 0;
}