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Message-ID: <202301062256.ZVvhHtuj-lkp@intel.com>
Date: Fri, 6 Jan 2023 22:32:16 +0800
From: kernel test robot <lkp@...el.com>
To: Daniel Bristot de Oliveira <bristot@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
"Steven Rostedt (Google)" <rostedt@...dmis.org>
Subject: kernel/trace/rv/monitors/wip/wip.c:20:1: sparse: sparse: symbol
'da_mon_wip' was not declared. Should it be static?
Hi Stephen,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 1f5abbd77e2c1787e74b7c2caffac97def78ba52
commit: 10bde81c74863472047f31304064018c40f488ee rv/monitor: Add the wip monitor
date: 5 months ago
config: sparc64-randconfig-s052-20230106
compiler: sparc64-linux-gcc (GCC) 12.1.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=10bde81c74863472047f31304064018c40f488ee
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 10bde81c74863472047f31304064018c40f488ee
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sparc64 olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=sparc64 SHELL=/bin/bash kernel/trace/rv/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
sparse warnings: (new ones prefixed by >>)
kernel/trace/rv/monitors/wip/wip.c: note: in included file:
kernel/trace/rv/monitors/wip/wip.h:30:22: sparse: sparse: symbol 'automaton_wip' was not declared. Should it be static?
vim +/da_mon_wip +20 kernel/trace/rv/monitors/wip/wip.c
8812d21219b9c6 Daniel Bristot de Oliveira 2022-07-29 18
8812d21219b9c6 Daniel Bristot de Oliveira 2022-07-29 19 struct rv_monitor rv_wip;
8812d21219b9c6 Daniel Bristot de Oliveira 2022-07-29 @20 DECLARE_DA_MON_PER_CPU(wip, unsigned char);
8812d21219b9c6 Daniel Bristot de Oliveira 2022-07-29 21
:::::: The code at line 20 was first introduced by commit
:::::: 8812d21219b9c649dd25eb93915e00939944aeb7 rv/monitor: Add the wip monitor skeleton created by dot2k
:::::: TO: Daniel Bristot de Oliveira <bristot@...nel.org>
:::::: CC: Steven Rostedt (Google) <rostedt@...dmis.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
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