tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3e08a95294a4fb3702bb3d35ed08028433c37fe6 commit: d6156218bec93965b6a43ba2686ad962ce77c854 btrfs: make locking assertion helpers static inline date: 7 months ago config: s390-randconfig-s031-20200623 (attached as .config) compiler: s390-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-dirty git checkout d6156218bec93965b6a43ba2686ad962ce77c854 # save the attached .config to linux build tree make W=1 C=1 ARCH=s390 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> sparse warnings: (new ones prefixed by >>) >> arch/s390/include/asm/atomic.h:51:35: sparse: sparse: context imbalance in >> 'btrfs_set_lock_blocking_read' - unexpected unlock fs/btrfs/locking.c:25:9: sparse: sparse: context imbalance in 'btrfs_set_lock_blocking_write' - unexpected unlock fs/btrfs/locking.c:127:6: sparse: sparse: context imbalance in 'btrfs_tree_read_lock' - different lock contexts for basic block fs/btrfs/locking.c:166:5: sparse: sparse: context imbalance in 'btrfs_tree_read_lock_atomic' - different lock contexts for basic block fs/btrfs/locking.c:186:5: sparse: sparse: context imbalance in 'btrfs_try_tree_read_lock' - different lock contexts for basic block fs/btrfs/locking.c:208:5: sparse: sparse: context imbalance in 'btrfs_try_tree_write_lock' - different lock contexts for basic block >> arch/s390/include/asm/atomic.h:51:35: sparse: sparse: context imbalance in >> 'btrfs_tree_read_unlock' - unexpected unlock fs/btrfs/locking.c:19:9: sparse: sparse: context imbalance in 'btrfs_tree_lock' - wrong count at exit fs/btrfs/locking.c:25:9: sparse: sparse: context imbalance in 'btrfs_tree_unlock' - unexpected unlock vim +/btrfs_set_lock_blocking_read +51 arch/s390/include/asm/atomic.h 56fefbbc3f13ad8 Peter Zijlstra 2016-04-18 46 5692e4d11cf5b51 Heiko Carstens 2013-09-16 47 static inline void atomic_add(int i, atomic_t *v) 5692e4d11cf5b51 Heiko Carstens 2013-09-16 48 { 5692e4d11cf5b51 Heiko Carstens 2013-09-16 49 #ifdef CONFIG_HAVE_MARCH_Z196_FEATURES 5692e4d11cf5b51 Heiko Carstens 2013-09-16 50 if (__builtin_constant_p(i) && (i > -129) && (i < 128)) { 126b30c3cb476ce Martin Schwidefsky 2016-11-11 @51 __atomic_add_const(i, &v->counter); 0ccc8b7ac860533 Heiko Carstens 2014-03-20 52 return; 5692e4d11cf5b51 Heiko Carstens 2013-09-16 53 } 5692e4d11cf5b51 Heiko Carstens 2013-09-16 54 #endif 126b30c3cb476ce Martin Schwidefsky 2016-11-11 55 __atomic_add(i, &v->counter); 5692e4d11cf5b51 Heiko Carstens 2013-09-16 56 } 5692e4d11cf5b51 Heiko Carstens 2013-09-16 57 :::::: The code at line 51 was first introduced by commit :::::: 126b30c3cb476ce68489a657a7defb8e73775e6f s390/atomic: refactor atomic primitives :::::: TO: Martin Schwidefsky <[email protected]> :::::: CC: Martin Schwidefsky <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
