From: Marc Zyngier <maz@kernel.org>
To: linux-arm-kernel@lists.infradead.org,
kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org
Cc: James Morse <james.morse@arm.com>,
Julien Thierry <julien.thierry.kdev@gmail.com>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Eric Auger <eric.auger@redhat.com>,
kernel-team@android.com
Subject: [PATCH 8/8] KVM: arm64: Get rid of the PMU ready state
Date: Fri, 13 Nov 2020 18:26:02 +0000 [thread overview]
Message-ID: <20201113182602.471776-9-maz@kernel.org> (raw)
In-Reply-To: <20201113182602.471776-1-maz@kernel.org>
The PMU ready state has no user left. Goodbye.
Signed-off-by: Marc Zyngier <maz@kernel.org>
---
arch/arm64/kvm/pmu-emul.c | 1 -
include/kvm/arm_pmu.h | 3 ---
2 files changed, 4 deletions(-)
diff --git a/arch/arm64/kvm/pmu-emul.c b/arch/arm64/kvm/pmu-emul.c
index 8806fdc85e8a..643cf819f3c0 100644
--- a/arch/arm64/kvm/pmu-emul.c
+++ b/arch/arm64/kvm/pmu-emul.c
@@ -851,7 +851,6 @@ int kvm_arm_pmu_v3_enable(struct kvm_vcpu *vcpu)
}
kvm_pmu_vcpu_reset(vcpu);
- vcpu->arch.pmu.ready = true;
return 0;
}
diff --git a/include/kvm/arm_pmu.h b/include/kvm/arm_pmu.h
index 1d94acd0bc85..fc85f50fa0e9 100644
--- a/include/kvm/arm_pmu.h
+++ b/include/kvm/arm_pmu.h
@@ -24,13 +24,11 @@ struct kvm_pmu {
int irq_num;
struct kvm_pmc pmc[ARMV8_PMU_MAX_COUNTERS];
DECLARE_BITMAP(chained, ARMV8_PMU_MAX_COUNTER_PAIRS);
- bool ready;
bool created;
bool irq_level;
struct irq_work overflow_work;
};
-#define kvm_arm_pmu_v3_ready(v) ((v)->arch.pmu.ready)
#define kvm_arm_pmu_irq_initialized(v) ((v)->arch.pmu.irq_num >= VGIC_NR_SGIS)
u64 kvm_pmu_get_counter_value(struct kvm_vcpu *vcpu, u64 select_idx);
void kvm_pmu_set_counter_value(struct kvm_vcpu *vcpu, u64 select_idx, u64 val);
@@ -61,7 +59,6 @@ int kvm_arm_pmu_v3_enable(struct kvm_vcpu *vcpu);
struct kvm_pmu {
};
-#define kvm_arm_pmu_v3_ready(v) (false)
#define kvm_arm_pmu_irq_initialized(v) (false)
static inline u64 kvm_pmu_get_counter_value(struct kvm_vcpu *vcpu,
u64 select_idx)
--
2.28.0
next prev parent reply other threads:[~2020-11-13 18:26 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-13 18:25 [PATCH 0/8] KVM: arm64: Disabled PMU handling Marc Zyngier
2020-11-13 18:25 ` [PATCH 1/8] KVM: arm64: Add kvm_vcpu_has_pmu() helper Marc Zyngier
2020-11-13 18:25 ` [PATCH 2/8] KVM: arm64: Set ID_AA64DFR0_EL1.PMUVer to 0 when no PMU support Marc Zyngier
2020-11-13 18:25 ` [PATCH 3/8] KVM: arm64: Refuse illegal KVM_ARM_VCPU_PMU_V3 at reset time Marc Zyngier
2020-11-26 14:59 ` Alexandru Elisei
2020-11-26 15:25 ` Marc Zyngier
2020-11-26 15:49 ` Alexandru Elisei
2020-11-13 18:25 ` [PATCH 4/8] KVM: arm64: Inject UNDEF on PMU access when no PMU configured Marc Zyngier
2020-11-13 18:25 ` [PATCH 5/8] KVM: arm64: Remove PMU RAZ/WI handling Marc Zyngier
2020-11-26 15:06 ` Alexandru Elisei
2020-11-27 8:50 ` Marc Zyngier
2020-11-13 18:26 ` [PATCH 6/8] KVM: arm64: Remove dead PMU sysreg decoding code Marc Zyngier
2020-11-26 15:18 ` Alexandru Elisei
2020-11-26 15:34 ` Marc Zyngier
2020-11-26 15:54 ` Alexandru Elisei
2020-11-26 15:57 ` Marc Zyngier
2020-11-13 18:26 ` [PATCH 7/8] KVM: arm64: Gate kvm_pmu_update_state() on the PMU feature Marc Zyngier
2020-11-13 18:26 ` Marc Zyngier [this message]
2020-11-24 17:28 ` [PATCH 0/8] KVM: arm64: Disabled PMU handling Alexandru Elisei
2020-11-25 8:39 ` Marc Zyngier
2020-11-26 16:34 ` Alexandru Elisei
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