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FROMGIT: KVM: arm64: Use symbolic names for the PMU versions

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Instead of using a bunch of magic numbers, use the existing definitions
that have been added since 8673e02e58 ("arm64: perf: Add support
for ARMv8.5-PMU 64-bit counters")

Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
(cherry picked from commit 8e26d11f68
 git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm.git next)
Signed-off-by: Will Deacon <willdeacon@google.com>
Change-Id: I13e35e71ec8620676f3f946925093ec451d6e861
Bug: 178098380
Test: atest VirtualizationHostTestCases on an EL2-enabled device
This commit is contained in:
Marc Zyngier
2021-01-15 17:15:33 +00:00
committed by Will Deacon
parent 07f2cb0ecc
commit a295756dff
1 changed files with 4 additions and 4 deletions
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8
arch/arm64/kvm/pmu-emul.c
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@@ -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);