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Message-ID: <202308311743.uvv4Ras8-lkp@intel.com>
Date: Thu, 31 Aug 2023 17:45:50 +0800
From: kernel test robot <lkp@...el.com>
To: Tianyi Liu <i.pear@...look.com>, acme@...nel.org,
linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, mingo@...hat.com,
mark.rutland@....com, alexander.shishkin@...ux.intel.com,
jolsa@...nel.org, namhyung@...nel.org, irogers@...gle.com,
adrian.hunter@...el.com, Tianyi Liu <i.pear@...look.com>
Subject: Re: [PATCH] Introduce callchains for guests
Hi Tianyi,
kernel test robot noticed the following build warnings:
[auto build test WARNING on tip/perf/core]
[also build test WARNING on acme/perf/core linus/master v6.5 next-20230831]
[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/Tianyi-Liu/Introduce-callchains-for-guests/20230831-161333
base: tip/perf/core
patch link: https://lore.kernel.org/r/SY4P282MB10848199D3F93AA47A845B8B9DE5A%40SY4P282MB1084.AUSP282.PROD.OUTLOOK.COM
patch subject: [PATCH] Introduce callchains for guests
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20230831/202308311743.uvv4Ras8-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230831/202308311743.uvv4Ras8-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/202308311743.uvv4Ras8-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> kernel/events/callchain.c:48:13: warning: no previous prototype for 'perf_callchain_guest' [-Wmissing-prototypes]
48 | __weak void perf_callchain_guest(struct perf_callchain_entry_ctx *entry)
| ^~~~~~~~~~~~~~~~~~~~
vim +/perf_callchain_guest +48 kernel/events/callchain.c
47
> 48 __weak void perf_callchain_guest(struct perf_callchain_entry_ctx *entry)
49 {
50 }
51
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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