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Subject[atishp04:sbi_pmu_v4 5/12] drivers/perf/riscv_pmu_legacy.c:76: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
tree:   https://github.com/atishp04/linux sbi_pmu_v4
head: 6a25ebd83e4ca355a7771107a6a03bbe82435b67
commit: b7bb90cae101f5876d28d7e169257fec4526bf25 [5/12] RISC-V: Add a simple platform driver for RISC-V legacy perf
config: riscv-randconfig-c004-20211025 (attached as .config)
compiler: riscv32-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/atishp04/linux/commit/b7bb90cae101f5876d28d7e169257fec4526bf25
git remote add atishp04 https://github.com/atishp04/linux
git fetch --no-tags atishp04 sbi_pmu_v4
git checkout b7bb90cae101f5876d28d7e169257fec4526bf25
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=riscv

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

>> drivers/perf/riscv_pmu_legacy.c:76: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* This is just a simple implementation to allow legacy implementations


vim +76 drivers/perf/riscv_pmu_legacy.c

74
75 /**
> 76 * This is just a simple implementation to allow legacy implementations
77 * compatible with new RISC-V PMU driver framework.
78 * This driver only allows reading two counters i.e CYCLE & INSTRET.
79 * However, it can not start or stop the counter. Thus, it is not very useful
80 * will be removed in future.
81 */
82 static void pmu_legacy_init(struct riscv_pmu *pmu)
83 {
84 pr_info("Legacy PMU implementation is available\n");
85
86 pmu->num_counters = RISCV_PMU_LEGACY_NUM_CTR;
87 pmu->ctr_start = pmu_legacy_ctr_start;
88 pmu->ctr_stop = NULL;
89 pmu->event_map = pmu_legacy_event_map;
90 pmu->ctr_get_idx = pmu_legacy_ctr_get_idx;
91 pmu->ctr_get_width = NULL;
92 pmu->ctr_clear_idx = NULL;
93 pmu->ctr_read = pmu_legacy_read_ctr;
94
95 perf_pmu_register(&pmu->pmu, "cpu", PERF_TYPE_RAW);
96 }
97

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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