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| author | Marc Zyngier <maz@kernel.org> | 2020-11-13 19:39:44 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-11-27 14:39:14 +0300 |
| commit | 14bda7a927336055d7c0deb1483f9cdb687c2080 (patch) | |
| tree | e6745f56d0512dc2986fc7a749aadd151feb5136 /arch/arm64/kvm/pmu-emul.c | |
| parent | 6ac4a5ac50d1d25a61aa00e660eebb21a2ff9b96 (diff) | |
| download | linux-14bda7a927336055d7c0deb1483f9cdb687c2080.tar.xz | |
KVM: arm64: Add kvm_vcpu_has_pmu() helper
There are a number of places where we check for the KVM_ARM_VCPU_PMU_V3
feature. Wrap this check into a new kvm_vcpu_has_pmu(), and use
it at the existing locations.
No functional change.
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Diffstat (limited to 'arch/arm64/kvm/pmu-emul.c')
| -rw-r--r-- | arch/arm64/kvm/pmu-emul.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c index 2ed5ef8f274b..e7e3b4629864 100644 --- a/arch/arm64/kvm/pmu-emul.c +++ b/arch/arm64/kvm/pmu-emul.c @@ -913,8 +913,7 @@ static bool pmu_irq_is_valid(struct kvm *kvm, int irq) int kvm_arm_pmu_v3_set_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr) { - if (!kvm_arm_support_pmu_v3() || - !test_bit(KVM_ARM_VCPU_PMU_V3, vcpu->arch.features)) + if (!kvm_arm_support_pmu_v3() || !kvm_vcpu_has_pmu(vcpu)) return -ENODEV; if (vcpu->arch.pmu.created) @@ -1015,7 +1014,7 @@ int kvm_arm_pmu_v3_get_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr) if (!irqchip_in_kernel(vcpu->kvm)) return -EINVAL; - if (!test_bit(KVM_ARM_VCPU_PMU_V3, vcpu->arch.features)) + if (!kvm_vcpu_has_pmu(vcpu)) return -ENODEV; if (!kvm_arm_pmu_irq_initialized(vcpu)) @@ -1035,8 +1034,7 @@ int kvm_arm_pmu_v3_has_attr(struct kvm_vcpu *vcpu, struct kvm_device_attr *attr) case KVM_ARM_VCPU_PMU_V3_IRQ: case KVM_ARM_VCPU_PMU_V3_INIT: case KVM_ARM_VCPU_PMU_V3_FILTER: - if (kvm_arm_support_pmu_v3() && - test_bit(KVM_ARM_VCPU_PMU_V3, vcpu->arch.features)) + if (kvm_arm_support_pmu_v3() && kvm_vcpu_has_pmu(vcpu)) return 0; } |