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Message-ID: <202301182158.8nHlCmQ9-lkp@intel.com>
Date: Wed, 18 Jan 2023 21:55:17 +0800
From: kernel test robot <lkp@...el.com>
To: Daniel Bristot de Oliveira <bristot@...nel.org>
Cc: llvm@...ts.linux.dev, 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: warning: unused function
'da_handle_start_run_event_wip'
Hi Daniel,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c1649ec55708ae42091a2f1bca1ab49ecd722d55
commit: 10bde81c74863472047f31304064018c40f488ee rv/monitor: Add the wip monitor
date: 6 months ago
config: mips-randconfig-r022-20230118 (https://download.01.org/0day-ci/archive/20230118/202301182158.8nHlCmQ9-lkp@intel.com/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install mips cross compiling tool for clang build
# apt-get install binutils-mipsel-linux-gnu
# 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=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash kernel/trace/rv/ lib/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> kernel/trace/rv/monitors/wip/wip.c:20:1: warning: unused function 'da_handle_start_run_event_wip' [-Wunused-function]
DECLARE_DA_MON_PER_CPU(wip, unsigned char);
^
include/rv/da_monitor.h:532:48: note: expanded from macro 'DECLARE_DA_MON_PER_CPU'
DECLARE_DA_MON_INIT_PER_CPU(name, type) \
^
include/rv/da_monitor.h:434:20: note: expanded from macro '\
DECLARE_DA_MON_MONITOR_HANDLER_IMPLICIT'
static inline bool da_handle_start_run_event_##name(enum events_##name event) \
^
<scratch space>:174:1: note: expanded from here
da_handle_start_run_event_wip
^
1 warning generated.
vim +/da_handle_start_run_event_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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