* Re: [PATCH v6 14/19] perf: arm_pmuv3: Handle IRQs for Partitioned PMU guest counters
[not found] <20260209221414.2169465-15-coltonlewis@google.com>
@ 2026-02-10 4:51 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-02-10 4:51 UTC (permalink / raw)
To: Colton Lewis, kvm
Cc: llvm, oe-kbuild-all, Alexandru Elisei, Paolo Bonzini,
Jonathan Corbet, Russell King, Catalin Marinas, Will Deacon,
Marc Zyngier, Oliver Upton, Mingwei Zhang, Joey Gouly,
Suzuki K Poulose, Zenghui Yu, Mark Rutland, Shuah Khan,
Ganapatrao Kulkarni, linux-doc, linux-kernel, linux-arm-kernel,
kvmarm, linux-perf-users, linux-kselftest, Colton Lewis
Hi Colton,
kernel test robot noticed the following build warnings:
[auto build test WARNING on 63804fed149a6750ffd28610c5c1c98cce6bd377]
url: https://github.com/intel-lab-lkp/linux/commits/Colton-Lewis/arm64-cpufeature-Add-cpucap-for-HPMN0/20260210-064939
base: 63804fed149a6750ffd28610c5c1c98cce6bd377
patch link: https://lore.kernel.org/r/20260209221414.2169465-15-coltonlewis%40google.com
patch subject: [PATCH v6 14/19] perf: arm_pmuv3: Handle IRQs for Partitioned PMU guest counters
config: arm64-randconfig-001-20260210 (https://download.01.org/0day-ci/archive/20260210/202602101258.VRaEHc98-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710)
rustc: rustc 1.88.0 (6b00bc388 2025-06-23)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260210/202602101258.VRaEHc98-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602101258.VRaEHc98-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from arch/arm64/kernel/asm-offsets.c:16:
In file included from include/linux/kvm_host.h:45:
In file included from arch/arm64/include/asm/kvm_host.h:38:
>> include/kvm/arm_pmu.h:310:52: warning: declaration of 'struct arm_pmu' will not be visible outside of this function [-Wvisibility]
310 | static inline void kvm_pmu_handle_guest_irq(struct arm_pmu *pmu, u64 pmovsr) {}
| ^
include/kvm/arm_pmu.h:281:12: warning: unused function 'kvm_vcpu_read_pmuserenr' [-Wunused-function]
281 | static u64 kvm_vcpu_read_pmuserenr(struct kvm_vcpu *vcpu)
| ^~~~~~~~~~~~~~~~~~~~~~~
2 warnings generated.
--
In file included from arch/arm64/kernel/asm-offsets.c:16:
In file included from include/linux/kvm_host.h:45:
In file included from arch/arm64/include/asm/kvm_host.h:38:
>> include/kvm/arm_pmu.h:310:52: warning: declaration of 'struct arm_pmu' will not be visible outside of this function [-Wvisibility]
310 | static inline void kvm_pmu_handle_guest_irq(struct arm_pmu *pmu, u64 pmovsr) {}
| ^
include/kvm/arm_pmu.h:281:12: warning: unused function 'kvm_vcpu_read_pmuserenr' [-Wunused-function]
281 | static u64 kvm_vcpu_read_pmuserenr(struct kvm_vcpu *vcpu)
| ^~~~~~~~~~~~~~~~~~~~~~~
2 warnings generated.
warning: unused variable: `args`
--> rust/kernel/kunit.rs:19:12
|
19 | pub fn err(args: fmt::Arguments<'_>) {
| ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
|
= note: `#[warn(unused_variables)]` on by default
vim +310 include/kvm/arm_pmu.h
307
308 static inline void kvm_pmu_host_counters_enable(void) {}
309 static inline void kvm_pmu_host_counters_disable(void) {}
> 310 static inline void kvm_pmu_handle_guest_irq(struct arm_pmu *pmu, u64 pmovsr) {}
311
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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