Commit 8e26d11f authored by Marc Zyngier's avatar Marc Zyngier
Browse files

KVM: arm64: Use symbolic names for the PMU versions 



Instead of using a bunch of magic numbers, use the existing definitions
that have been added since 8673e02e ("arm64: perf: Add support
for ARMv8.5-PMU 64-bit counters")

Reviewed-by: default avatarAlexandru Elisei <alexandru.elisei@arm.com>
Reviewed-by: default avatarEric Auger <eric.auger@redhat.com>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
parent 46081078

arch/arm64/kvm/pmu-emul.c

+4 −4
Original line number Diff line number Diff line
@@ -23,11 +23,11 @@ static void kvm_pmu_stop_counter(struct kvm_vcpu *vcpu, struct kvm_pmc *pmc); 
static u32 kvm_pmu_event_mask(struct kvm *kvm)

{

	switch (kvm->arch.pmuver) {

	case 1:			/* ARMv8.0 */

	case ID_AA64DFR0_PMUVER_8_0:

		return GENMASK(9, 0);

	case 4:			/* ARMv8.1 */

	case 5:			/* ARMv8.4 */

	case 6:			/* ARMv8.5 */

	case ID_AA64DFR0_PMUVER_8_1:

	case ID_AA64DFR0_PMUVER_8_4:

	case ID_AA64DFR0_PMUVER_8_5:

		return GENMASK(15, 0);

	default:		/* Shouldn't be here, just for sanity */

		WARN_ONCE(1, "Unknown PMU version %d\n", kvm->arch.pmuver);