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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>
This commit is contained in:
Avi Kivity 2008-06-13 22:45:42 +03:00
parent 9ef621d3be
commit f76c710d75
1 changed files with 1 additions and 3 deletions
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4
arch/x86/kvm/x86.c
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@ -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);