linux-kernel - Re: [PATCH v2 1/4] perf build: Add ability to build with a generated vmlinux.h

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Date:   Tue, 6 Jun 2023 20:26:13 +0800
From:   kernel test robot <lkp@...el.com>
To:     Ian Rogers <irogers@...gle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        James Clark <james.clark@....com>,
        Tiezhu Yang <yangtiezhu@...ngson.cn>,
        Yang Jihong <yangjihong1@...wei.com>,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        bpf@...r.kernel.org
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        Andrii Nakryiko <andrii@...nel.org>
Subject: Re: [PATCH v2 1/4] perf build: Add ability to build with a generated
 vmlinux.h

Hi Ian,

kernel test robot noticed the following build warnings:

[auto build test WARNING on acme/perf/core]
[also build test WARNING on tip/master tip/auto-latest linus/master v6.4-rc5 next-20230606]
[cannot apply to tip/perf/core]
[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/Ian-Rogers/perf-build-Add-ability-to-build-with-a-generated-vmlinux-h/20230606-043106
base:   https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git perf/core
patch link:    https://lore.kernel.org/r/20230605202712.1690876-2-irogers%40google.com
patch subject: [PATCH v2 1/4] perf build: Add ability to build with a generated vmlinux.h
config: i386-randconfig-i052-20230605 (https://download.01.org/0day-ci/archive/20230606/202306062005.DdBIyoSS-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce (this is a W=1 build):
        mkdir -p ~/bin
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git remote add acme https://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git
        git fetch acme perf/core
        git checkout acme/perf/core
        b4 shazam https://lore.kernel.org/r/20230605202712.1690876-2-irogers@google.com
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=i386 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306062005.DdBIyoSS-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> tools/perf/util/bpf_skel/vmlinux/vmlinux.h: warning: ignored by one of the .gitignore files
   tools/testing/selftests/arm64/tags/.gitignore: warning: ignored by one of the .gitignore files
   tools/testing/selftests/arm64/tags/Makefile: warning: ignored by one of the .gitignore files
   tools/testing/selftests/arm64/tags/run_tags_test.sh: warning: ignored by one of the .gitignore files
   tools/testing/selftests/arm64/tags/tags_test.c: warning: ignored by one of the .gitignore files
   tools/testing/selftests/kvm/.gitignore: warning: ignored by one of the .gitignore files
   tools/testing/selftests/kvm/Makefile: warning: ignored by one of the .gitignore files
   tools/testing/selftests/kvm/config: warning: ignored by one of the .gitignore files
   tools/testing/selftests/kvm/settings: warning: ignored by one of the .gitignore files

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