From: "Rob Herring (Arm)" <robh@kernel.org> mainline inclusion from mainline-v6.13-rc1 commit bdc9a64c8b2041edfbcf02d07ee7402df65918e9 category: feature bugzilla: https://atomgit.com/openeuler/kernel/issues/9066 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i... ----------------------------------------------- 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> Signed-off-by: Yushan Wang <wangyushan12@huawei.com> Signed-off-by: Ying Jiang <jiangying44@h-partners.com> --- 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 a41b503b7dcd..a31a63a6ddfa 100644 --- a/arch/arm/include/asm/arm_pmuv3.h +++ b/arch/arm/include/asm/arm_pmuv3.h @@ -192,6 +192,8 @@ 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) -- 2.33.0