From: kernel test robot <lkp@intel.com>
To: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org,
Masahiro Yamada <yamada.masahiro@socionext.com>
Subject: include/linux/spinlock.h:378:9: sparse: sparse: context imbalance in 'hashlimit_mt_common' - unexpected unlock
Date: Fri, 10 Jul 2020 20:41:45 +0800 [thread overview]
Message-ID: <202007102032.DoV7B7IW%lkp@intel.com> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 42f82040ee66db13525dc6f14b8559890b2f4c1c
commit: 80591e61a0f7e88deaada69844e4a31280c4a38f kbuild: tell sparse about the $ARCH
date: 8 months ago
config: alpha-randconfig-s032-20200710 (attached as .config)
compiler: alpha-linux-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# apt-get install sparse
# sparse version: v0.6.2-37-gc9676a3b-dirty
git checkout 80591e61a0f7e88deaada69844e4a31280c4a38f
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=alpha
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>)
net/netfilter/xt_hashlimit.c:197:27: sparse: sparse: context imbalance in 'dsthash_find' - different lock contexts for basic block
net/netfilter/xt_hashlimit.c:215:27: sparse: sparse: context imbalance in 'dsthash_alloc_init' - different lock contexts for basic block
>> include/linux/spinlock.h:378:9: sparse: sparse: context imbalance in 'hashlimit_mt_common' - unexpected unlock
vim +/hashlimit_mt_common +378 include/linux/spinlock.h
c2f21ce2e31286 Thomas Gleixner 2009-12-02 375
3490565b633c70 Denys Vlasenko 2015-07-13 376 static __always_inline void spin_unlock(spinlock_t *lock)
c2f21ce2e31286 Thomas Gleixner 2009-12-02 377 {
c2f21ce2e31286 Thomas Gleixner 2009-12-02 @378 raw_spin_unlock(&lock->rlock);
c2f21ce2e31286 Thomas Gleixner 2009-12-02 379 }
c2f21ce2e31286 Thomas Gleixner 2009-12-02 380
:::::: The code at line 378 was first introduced by commit
:::::: c2f21ce2e31286a0a32f8da0a7856e9ca1122ef3 locking: Implement new raw_spinlock
:::::: TO: Thomas Gleixner <tglx@linutronix.de>
:::::: CC: Thomas Gleixner <tglx@linutronix.de>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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reply other threads:[~2020-07-10 12:47 UTC|newest]
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