[PATCH v3 1/5] KVM: x86/pmu: Introduce amd_pmu_set_eventsel_hw()

[Jim Mattson <jmattson@google.com>]

Extract the computation of eventsel_hw from amd_pmu_set_msr() into a
separate helper function, amd_pmu_set_eventsel_hw().

No functional change intended.

Signed-off-by: Jim Mattson <jmattson@google.com>
---
 arch/x86/kvm/svm/pmu.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/svm/pmu.c b/arch/x86/kvm/svm/pmu.c
index 7aa298eeb072..d9ca633f9f49 100644
--- a/arch/x86/kvm/svm/pmu.c
+++ b/arch/x86/kvm/svm/pmu.c
@@ -147,6 +147,12 @@ static int amd_pmu_get_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
 	return 1;
 }
 
+static void amd_pmu_set_eventsel_hw(struct kvm_pmc *pmc)
+{
+	pmc->eventsel_hw = (pmc->eventsel & ~AMD64_EVENTSEL_HOSTONLY) |
+			   AMD64_EVENTSEL_GUESTONLY;
+}
+
 static int amd_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
 {
 	struct kvm_pmu *pmu = vcpu_to_pmu(vcpu);
@@ -166,8 +172,7 @@ static int amd_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
 		data &= ~pmu->reserved_bits;
 		if (data != pmc->eventsel) {
 			pmc->eventsel = data;
-			pmc->eventsel_hw = (data & ~AMD64_EVENTSEL_HOSTONLY) |
-					   AMD64_EVENTSEL_GUESTONLY;
+			amd_pmu_set_eventsel_hw(pmc);
 			kvm_pmu_request_counter_reprogram(pmc);
 		}
 		return 0;
-- 
2.53.0.rc2.204.g2597b5adb4-goog