Hi Namhyung, I love your patch! Perhaps something to improve:
[auto build test WARNING on tip/perf/core] [also build test WARNING on tip/master linux/master linus/master v5.12-rc7 next-20210413] [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] url: https://github.com/0day-ci/linux/commits/Namhyung-Kim/perf-core-Sharing-events-with-multiple-cgroups/20210413-124251 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git cface0326a6c2ae5c8f47bd466f07624b3e348a7 config: x86_64-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> cocci warnings: (new ones prefixed by >>) >> kernel/events/core.c:5925:13-20: WARNING opportunity for memdup_user Please review and possibly fold the followup patch. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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