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Message-ID: <202308091142.nsjuu1ek-lkp@intel.com>
Date:   Wed, 9 Aug 2023 11:57:04 +0800
From:   kernel test robot <lkp@...el.com>
To:     Huang Shijie <shijie@...amperecomputing.com>, maz@...nel.org
Cc:     oe-kbuild-all@...ts.linux.dev, oliver.upton@...ux.dev,
        james.morse@....com, suzuki.poulose@....com, yuzenghui@...wei.com,
        catalin.marinas@....com, will@...nel.org, pbonzini@...hat.com,
        ingo@...hat.com, acme@...nel.org, mark.rutland@....com,
        alexander.shishkin@...ux.intel.com, jolsa@...nel.org,
        namhyung@...nel.org, irogers@...gle.com,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        linux-perf-users@...r.kernel.org, patches@...erecomputing.com,
        zwang@...erecomputing.com,
        Huang Shijie <shijie@...amperecomputing.com>
Subject: Re: [PATCH] perf/core: fix the bug in the event multiplexing

Hi Huang,

kernel test robot noticed the following build warnings:

[auto build test WARNING on kvm/queue]
[also build test WARNING on kvmarm/next tip/perf/core linus/master v6.5-rc5 next-20230808]
[cannot apply to acme/perf/core kvm/linux-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Huang-Shijie/perf-core-fix-the-bug-in-the-event-multiplexing/20230809-094637
base:   https://git.kernel.org/pub/scm/virt/kvm/kvm.git queue
patch link:    https://lore.kernel.org/r/20230809013953.7692-1-shijie%40os.amperecomputing.com
patch subject: [PATCH] perf/core: fix the bug in the event multiplexing
config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20230809/202308091142.nsjuu1ek-lkp@intel.com/config)
compiler: loongarch64-linux-gcc (GCC) 12.3.0
reproduce: (https://download.01.org/0day-ci/archive/20230809/202308091142.nsjuu1ek-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202308091142.nsjuu1ek-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> kernel/events/core.c:4232:13: warning: no previous prototype for 'arch_perf_rotate_pmu_set' [-Wmissing-prototypes]
    4232 | void __weak arch_perf_rotate_pmu_set(void)
         |             ^~~~~~~~~~~~~~~~~~~~~~~~


vim +/arch_perf_rotate_pmu_set +4232 kernel/events/core.c

  4231	
> 4232	void __weak arch_perf_rotate_pmu_set(void)
  4233	{
  4234	}
  4235	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

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