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: Fake emulate Intel perfctr MSRs

PATCH Applied Chris Lalancette 2 participants 2 messages Jun 20, 2008 – Jun 29, 2008

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Chris Lalancette

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#0 lore raw

PATCH 1/1 : Fake emulate Intel perfctr MSRs

Respin of my previous patch to fake emulate the Intel perfctr MSRs. As Sheng Yang pointed out, I didn't need an additional include, and I could use other #define's.

Signed-off-by Chris Lalancette <[email protected]>
arch/x86/kvm/vmx.c +12 -0
index 6e4278d..f2feacf 100644
@@ -917,6 +917,18 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data)
 	case MSR_IA32_TIME_STAMP_COUNTER:
 		guest_write_tsc(data);
 		break;
+	case MSR_P6_PERFCTR0:
+	case MSR_P6_PERFCTR1:
+	case MSR_P6_EVNTSEL0:
+	case MSR_P6_EVNTSEL1:
+		/*
+		 * Just discard all writes to the performance counters; this
+		 * should keep both older linux and windows 64-bit guests
+		 * happy
+		 */
+		pr_unimpl(vcpu, "unimplemented perfctr wrmsr: 0x%x data 0x%llx\n", msr_index, data);
+
+		break;
 	default:
 		msr = find_msr_entry(vmx, msr_index);
 		if (msr) {
Applied
#1 lore raw
Quoted 5 lines · Chris Lalancette

Respin of my previous patch to fake emulate the Intel perfctr MSRs. As Sheng Yang pointed out, I didn't need an additional include, and I could use other #define's.

Applied, thanks. Sorry about the delay.

Signature · 1 line
error compiling committee.c: too many arguments to function