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authorAvi Kivity <avi@qumranet.com>2008-06-13 22:45:42 +0300
committerAvi Kivity <avi@qumranet.com>2008-07-20 12:42:32 +0300
commitf76c710d759250a43976bcfcab6af6ebb94b7dc2 (patch)
treed8df56dbf32ddf547531b5c01ea2102a8d9c0030 /arch
parent9ef621d3be56e1188300476a8102ff54f7b6793f (diff)
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KVM: Use printk_rlimit() instead of reporting emulation failures just once
Emulation failure reports are useful, so allow more than one per the lifetime of the module. Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/x86.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 5d21bb69d88c..d1db5aa5c7f4 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2076,12 +2076,11 @@ int emulator_set_dr(struct x86_emulate_ctxt *ctxt, int dr, unsigned long value)
void kvm_report_emulation_failure(struct kvm_vcpu *vcpu, const char *context)
{
- static int reported;
u8 opcodes[4];
unsigned long rip = vcpu->arch.rip;
unsigned long rip_linear;
- if (reported)
+ if (!printk_ratelimit())
return;
rip_linear = rip + get_segment_base(vcpu, VCPU_SREG_CS);
@@ -2090,7 +2089,6 @@ void kvm_report_emulation_failure(struct kvm_vcpu *vcpu, const char *context)
printk(KERN_ERR "emulation failed (%s) rip %lx %02x %02x %02x %02x\n",
context, rip, opcodes[0], opcodes[1], opcodes[2], opcodes[3]);
- reported = 1;
}
EXPORT_SYMBOL_GPL(kvm_report_emulation_failure);