linux-kernel - [PATCH] ARM: pmuv3: Add missing write

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Message-ID: <20241029120602.4061566-2-robh@kernel.org>
Date: Tue, 29 Oct 2024 07:06:02 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Russell King <linux@...linux.org.uk>,
	Will Deacon <will@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: pmuv3: Add missing write_pmuacr()

Fix compilation on Arm by adding missing static inline write_pmuacr()
declaration.

Fixes: 0bbff9ed8165 ("perf/arm_pmuv3: Add PMUv3.9 per counter EL0 access control")
Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
Sorry about this. Feel free to squash this with the mentioned commit.

 arch/arm/include/asm/arm_pmuv3.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm/include/asm/arm_pmuv3.h b/arch/arm/include/asm/arm_pmuv3.h
index d242b5e1ca0d..2ec0e5e83fc9 100644
--- a/arch/arm/include/asm/arm_pmuv3.h
+++ b/arch/arm/include/asm/arm_pmuv3.h
@@ -212,6 +212,8 @@ static inline void write_pmuserenr(u32 val)
 	write_sysreg(val, PMUSERENR);
 }
 
+static inline void write_pmuacr(u64 val) {}
+
 static inline void kvm_set_pmu_events(u32 set, struct perf_event_attr *attr) {}
 static inline void kvm_clr_pmu_events(u32 clr) {}
 static inline bool kvm_pmu_counter_deferred(struct perf_event_attr *attr)
-- 
2.45.2