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KVM: Add and use pr_unimpl for standard formatting of unimplemented features

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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>
This commit is contained in:
Rusty Russell
2007-08-01 10:48:02 +10:00
committed by Avi Kivity
parent 33830b4f5b
commit f02424785a
4 changed files with 19 additions and 13 deletions
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4
drivers/kvm/svm.c
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@@ -1167,7 +1167,7 @@ static int invalid_op_interception(struct vcpu_svm *svm,
static int task_switch_interception(struct vcpu_svm *svm,
struct kvm_run *kvm_run)
{
printk(KERN_DEBUG "%s: task swiche is unsupported\n", __FUNCTION__);
pr_unimpl(&svm->vcpu, "%s: task switch is unsupported\n", __FUNCTION__);
kvm_run->exit_reason = KVM_EXIT_UNKNOWN;
return 0;
}
@@ -1183,7 +1183,7 @@ static int emulate_on_interception(struct vcpu_svm *svm,
struct kvm_run *kvm_run)
{
if (emulate_instruction(&svm->vcpu, NULL, 0, 0) != EMULATE_DONE)
printk(KERN_ERR "%s: failed\n", __FUNCTION__);
pr_unimpl(&svm->vcpu, "%s: failed\n", __FUNCTION__);
return 1;
}