Messages in this thread | | | Date | Fri, 10 Jul 2020 20:41:45 +0800 | From | kernel test robot <> | Subject | include/linux/spinlock.h:378:9: sparse: sparse: context imbalance in 'hashlimit_mt_common' - unexpected unlock |
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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>
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