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Commit f76c710d authored by Avi Kivity's avatar Avi Kivity
Browse files

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: default avatarAvi Kivity <avi@qumranet.com>
parent 9ef621d3

arch/x86/kvm/x86.c

+1 −3
Original line number Diff line number Diff line
@@ -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);