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authorMarc Zyngier <maz@kernel.org>2021-04-14 14:44:05 +0100
committerMarc Zyngier <maz@kernel.org>2021-04-22 13:32:39 +0100
commit5421db1be3b11c5e469cce3760d5c8a013a90f2c (patch)
treeb0fcead0cc12ca98d98c54c129560622448e9074 /include
parent1e28eed17697bcf343c6743f0028cc3b5dd88bf0 (diff)
KVM: arm64: Divorce the perf code from oprofile helpers
KVM/arm64 is the sole user of perf_num_counters(), and really could do without it. Stop using the obsolete API by relying on the existing probing code. Signed-off-by: Marc Zyngier <maz@kernel.org> Acked-by: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20210414134409.1266357-2-maz@kernel.org
Diffstat (limited to 'include')
-rw-r--r--include/kvm/arm_pmu.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/kvm/arm_pmu.h b/include/kvm/arm_pmu.h
index 6fd3cda608e4..864b9997efb2 100644
--- a/include/kvm/arm_pmu.h
+++ b/include/kvm/arm_pmu.h
@@ -61,6 +61,7 @@ int kvm_arm_pmu_v3_get_attr(struct kvm_vcpu *vcpu,
int kvm_arm_pmu_v3_has_attr(struct kvm_vcpu *vcpu,
struct kvm_device_attr *attr);
int kvm_arm_pmu_v3_enable(struct kvm_vcpu *vcpu);
+int kvm_pmu_probe_pmuver(void);
#else
struct kvm_pmu {
};
@@ -116,6 +117,9 @@ static inline u64 kvm_pmu_get_pmceid(struct kvm_vcpu *vcpu, bool pmceid1)
{
return 0;
}
+
+static inline int kvm_pmu_probe_pmuver(void) { return 0xf; }
+
#endif
#endif