From: Fuad Tabba <tabba@google.com>
To: kvmarm@lists.cs.columbia.edu
Cc: kernel-team@android.com, maz@kernel.org, catalin.marinas@arm.com,
will@kernel.org, linux-arm-kernel@lists.infradead.org
Subject: [PATCH v4 2/4] KVM: arm64: Repack struct kvm_pmu to reduce size
Date: Tue, 10 May 2022 09:57:08 +0000 [thread overview]
Message-ID: <20220510095710.148178-3-tabba@google.com> (raw)
In-Reply-To: <20220510095710.148178-1-tabba@google.com>
struct kvm_pmu has 2 holes using 10 bytes. This is instantiated
in all vcpus, so it adds up. Repack the structures to remove the
holes.
No functional change intended.
Reviewed-by: Oliver Upton <oupton@google.com>
Signed-off-by: Fuad Tabba <tabba@google.com>
---
include/kvm/arm_pmu.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/kvm/arm_pmu.h b/include/kvm/arm_pmu.h
index 20193416d214..eaa8290b116f 100644
--- a/include/kvm/arm_pmu.h
+++ b/include/kvm/arm_pmu.h
@@ -21,12 +21,12 @@ struct kvm_pmc {
};
struct kvm_pmu {
- int irq_num;
+ struct irq_work overflow_work;
struct kvm_pmc pmc[ARMV8_PMU_MAX_COUNTERS];
DECLARE_BITMAP(chained, ARMV8_PMU_MAX_COUNTER_PAIRS);
+ int irq_num;
bool created;
bool irq_level;
- struct irq_work overflow_work;
};
struct arm_pmu_entry {
--
2.36.0.512.ge40c2bad7a-goog
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next prev parent reply other threads:[~2022-05-10 9:57 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-10 9:57 [PATCH v4 0/4] KVM: arm64: Do not communicate host pmu event changes by accessing hyp data Fuad Tabba
2022-05-10 9:57 ` [PATCH v4 1/4] KVM: arm64: Wrapper for getting pmu_events Fuad Tabba
2022-05-10 9:57 ` Fuad Tabba [this message]
2022-05-10 9:57 ` [PATCH v4 3/4] KVM: arm64: Pass pmu events to hyp via vcpu Fuad Tabba
2022-05-10 18:07 ` Oliver Upton
2022-05-10 9:57 ` [PATCH v4 4/4] KVM: arm64: Reenable pmu in Protected Mode Fuad Tabba
2022-05-10 18:07 ` Oliver Upton
2022-05-15 10:29 ` [PATCH v4 0/4] KVM: arm64: Do not communicate host pmu event changes by accessing hyp data Marc Zyngier
2022-05-15 10:57 ` Marc Zyngier
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