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")
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>

diff --git a/arch/arm/include/asm/arm_pmuv3.h b/arch/arm/include/asm/arm_pmuv3.h
index d242b5e1ca0d98044d831780318ead10f935f1bb..2ec0e5e83fc98fb811990e0692e038d5cb9a6e93 100644 (file)
--- 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)