ARM: pmuv3: Add missing write_pmuacr()

rfmvh · rfmvh · commit 324d7a610201 · 2025-03-10T12:37:46.000+01:00
JIRA: https://issues.redhat.com/browse/RHEL-77935 upstream ======== commit bdc9a64 Author: Rob Herring (Arm) <robh@kernel.org> Date: Tue Oct 29 07:06:02 2024 -0500 description =========== Fix compilation on Arm by adding missing static inline write_pmuacr() declaration. Fixes: 0bbff9e ("perf/arm_pmuv3: Add PMUv3.9 per counter EL0 access control") Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202410291954.NiHLIwSC-lkp@intel.com/ Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Link: https://lore.kernel.org/r/20241029120602.4061566-2-robh@kernel.org Signed-off-by: Will Deacon <will@kernel.org> Signed-off-by: Michael Petlan <mpetlan@redhat.com>
diff --git 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)

Original file line number	Diff line number	Diff line change
`@@ -212,6 +212,8 @@ static inline void write_pmuserenr(u32 val)`
`212`	`212`	`write_sysreg(val, PMUSERENR);`
`213`	`213`	`}`
`214`	`214`
	`215`	`+static inline void write_pmuacr(u64 val) {}`
	`216`	`+`
`215`	`217`	`static inline void kvm_set_pmu_events(u32 set, struct perf_event_attr *attr) {}`
`216`	`218`	`static inline void kvm_clr_pmu_events(u32 clr) {}`
`217`	`219`	`static inline bool kvm_pmu_counter_deferred(struct perf_event_attr *attr)`