* Re: [PATCH v3 5/7] riscv: pmu: Add driver for Control Transfer Records Ext.
[not found] <20250523-b4-ctr_upstream_v3-v3-5-ad355304ba1c@rivosinc.com>
@ 2025-05-23 17:48 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-05-23 17:48 UTC (permalink / raw)
To: Rajnesh Kanwal, Peter Zijlstra, Ingo Molnar,
Arnaldo Carvalho de Melo, Namhyung Kim, Mark Rutland,
Alexander Shishkin, Jiri Olsa, Ian Rogers, Adrian Hunter,
Paul Walmsley, Palmer Dabbelt, Albert Ou, Alexandre Ghiti,
Atish Kumar Patra, Anup Patel, Will Deacon, Rob Herring,
Krzysztof Kozlowski, Conor Dooley, Beeman Strong
Cc: llvm, oe-kbuild-all, linux-perf-users, linux-kernel, linux-riscv,
linux-arm-kernel, devicetree, Rajnesh Kanwal
Hi Rajnesh,
kernel test robot noticed the following build warnings:
[auto build test WARNING on e0200e37637e573cd68f522ecd550be87e304c6c]
url: https://github.com/intel-lab-lkp/linux/commits/Rajnesh-Kanwal/perf-Increase-the-maximum-number-of-branches-remove_loops-can-process/20250523-073341
base: e0200e37637e573cd68f522ecd550be87e304c6c
patch link: https://lore.kernel.org/r/20250523-b4-ctr_upstream_v3-v3-5-ad355304ba1c%40rivosinc.com
patch subject: [PATCH v3 5/7] riscv: pmu: Add driver for Control Transfer Records Ext.
config: riscv-randconfig-002-20250523 (https://download.01.org/0day-ci/archive/20250524/202505240131.OJkUGGvA-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250524/202505240131.OJkUGGvA-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/202505240131.OJkUGGvA-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from arch/riscv/kernel/asm-offsets.c:12:
In file included from arch/riscv/include/asm/kvm_host.h:23:
In file included from arch/riscv/include/asm/kvm_vcpu_pmu.h:12:
>> include/linux/perf/riscv_pmu.h:156:76: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
156 | static inline void riscv_pmu_ctr_sched_task(struct perf_event_pmu_context *,
| ^
include/linux/perf/riscv_pmu.h:158:13: warning: unused function 'riscv_pmu_ctr_add' [-Wunused-function]
158 | static void riscv_pmu_ctr_add(struct perf_event *event) { }
| ^~~~~~~~~~~~~~~~~
include/linux/perf/riscv_pmu.h:159:13: warning: unused function 'riscv_pmu_ctr_del' [-Wunused-function]
159 | static void riscv_pmu_ctr_del(struct perf_event *event) { }
| ^~~~~~~~~~~~~~~~~
3 warnings generated.
--
In file included from arch/riscv/kernel/asm-offsets.c:12:
In file included from arch/riscv/include/asm/kvm_host.h:23:
In file included from arch/riscv/include/asm/kvm_vcpu_pmu.h:12:
>> include/linux/perf/riscv_pmu.h:156:76: warning: omitting the parameter name in a function definition is a C2x extension [-Wc2x-extensions]
156 | static inline void riscv_pmu_ctr_sched_task(struct perf_event_pmu_context *,
| ^
include/linux/perf/riscv_pmu.h:158:13: warning: unused function 'riscv_pmu_ctr_add' [-Wunused-function]
158 | static void riscv_pmu_ctr_add(struct perf_event *event) { }
| ^~~~~~~~~~~~~~~~~
include/linux/perf/riscv_pmu.h:159:13: warning: unused function 'riscv_pmu_ctr_del' [-Wunused-function]
159 | static void riscv_pmu_ctr_del(struct perf_event *event) { }
| ^~~~~~~~~~~~~~~~~
3 warnings generated.
vim +156 include/linux/perf/riscv_pmu.h
152
153 static inline bool riscv_pmu_ctr_valid(struct perf_event *event) { return false; }
154 static inline void riscv_pmu_ctr_consume(struct cpu_hw_events *cpuc,
155 struct perf_event *event) { }
> 156 static inline void riscv_pmu_ctr_sched_task(struct perf_event_pmu_context *,
157 bool sched_in) { }
158 static void riscv_pmu_ctr_add(struct perf_event *event) { }
159 static void riscv_pmu_ctr_del(struct perf_event *event) { }
160 static inline void riscv_pmu_ctr_enable(struct perf_event *event) { }
161 static inline void riscv_pmu_ctr_disable(struct perf_event *event) { }
162 static inline void riscv_pmu_ctr_dying_cpu(void) { }
163 static inline void riscv_pmu_ctr_starting_cpu(void) { }
164 static inline int riscv_pmu_ctr_init(struct riscv_pmu *riscv_pmu) { return 0; }
165 static inline void riscv_pmu_ctr_finish(struct riscv_pmu *riscv_pmu) { }
166
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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