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Message-ID: <202202201838.kdXweR8L-lkp@intel.com>
Date: Sun, 20 Feb 2022 18:17:22 +0800
From: kernel test robot <lkp@...el.com>
To: Atish Patra <atish.patra@....com>
Cc: kbuild-all@...ts.01.org, Atish Patra <Atish.Patra@....com>,
linux-kernel@...r.kernel.org, Anup Patel <anup@...infault.org>,
linux-doc@...r.kernel.org
Subject: [atishp04:sbi_pmu_v6 12/17] 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_v6
head: 876094386d4f915d81ec2ee5b8b412987a10d808
commit: 9cba22b308da91d7cf0781fcc18b3ad34abdf9b0 [12/17] RISC-V: Add a simple platform driver for RISC-V legacy perf
config: riscv-allyesconfig (https://download.01.org/0day-ci/archive/20220220/202202201838.kdXweR8L-lkp@intel.com/config)
compiler: riscv64-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/9cba22b308da91d7cf0781fcc18b3ad34abdf9b0
git remote add atishp04 https://github.com/atishp04/linux
git fetch --no-tags atishp04 sbi_pmu_v6
git checkout 9cba22b308da91d7cf0781fcc18b3ad34abdf9b0
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=riscv SHELL=/bin/bash drivers/perf/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.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
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