From: kernel test robot <lkp@intel.com>
To: John Ogness <john.ogness@linutronix.de>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Subject: [rt-devel:linux-5.18.y-rt-rebase 17/78] kernel/printk/printk.c:3187:14: warning: variable 'any_usable' set but not used
Date: Sat, 23 Apr 2022 04:18:14 +0800 [thread overview]
Message-ID: <202204230430.85I2TCOI-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-5.18.y-rt-rebase
head: 03e7725ddbfb0ffd7f3d7b257bfa504c6f795f6b
commit: 72b5c1227b73b2cde1452cfc58717cff442ed473 [17/78] serial: 8250: implement write_atomic
config: x86_64-randconfig-a015 (https://download.01.org/0day-ci/archive/20220423/202204230430.85I2TCOI-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git/commit/?id=72b5c1227b73b2cde1452cfc58717cff442ed473
git remote add rt-devel https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git
git fetch --no-tags rt-devel linux-5.18.y-rt-rebase
git checkout 72b5c1227b73b2cde1452cfc58717cff442ed473
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash kernel/printk/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
kernel/printk/printk.c: In function 'atomic_console_flush_all':
>> kernel/printk/printk.c:3187:14: warning: variable 'any_usable' set but not used [-Wunused-but-set-variable]
3187 | bool any_usable = false;
| ^~~~~~~~~~
vim +/any_usable +3187 kernel/printk/printk.c
fe3d8ad31cf51b kernel/printk.c Feng Tang 2011-03-22 3180
943b66638a0519 kernel/printk/printk.c John Ogness 2022-02-04 3181 #ifdef CONFIG_HAVE_ATOMIC_CONSOLE
943b66638a0519 kernel/printk/printk.c John Ogness 2022-02-04 3182 static bool console_emit_next_record(struct console *con, char *text, char *ext_text,
943b66638a0519 kernel/printk/printk.c John Ogness 2022-02-04 3183 char *dropped_text, bool atomic_printing);
943b66638a0519 kernel/printk/printk.c John Ogness 2022-02-04 3184
943b66638a0519 kernel/printk/printk.c John Ogness 2022-02-04 3185 static void atomic_console_flush_all(void)
943b66638a0519 kernel/printk/printk.c John Ogness 2022-02-04 3186 {
943b66638a0519 kernel/printk/printk.c John Ogness 2022-02-04 @3187 bool any_usable = false;
943b66638a0519 kernel/printk/printk.c John Ogness 2022-02-04 3188 unsigned long flags;
943b66638a0519 kernel/printk/printk.c John Ogness 2022-02-04 3189 struct console *con;
943b66638a0519 kernel/printk/printk.c John Ogness 2022-02-04 3190 bool any_progress;
943b66638a0519 kernel/printk/printk.c John Ogness 2022-02-04 3191 int index = 0;
943b66638a0519 kernel/printk/printk.c John Ogness 2022-02-04 3192
943b66638a0519 kernel/printk/printk.c John Ogness 2022-02-04 3193 if (console_suspended)
943b66638a0519 kernel/printk/printk.c John Ogness 2022-02-04 3194 return;
943b66638a0519 kernel/printk/printk.c John Ogness 2022-02-04 3195
:::::: The code at line 3187 was first introduced by commit
:::::: 943b66638a0519612cdc25dcb07f59af89d37407 printk: add infrastucture for atomic consoles
:::::: TO: John Ogness <john.ogness@linutronix.de>
:::::: CC: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
--
0-DAY CI Kernel Test Service
https://01.org/lkp
reply other threads:[~2022-04-22 21:22 UTC|newest]
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