From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: arch/parisc/include/asm/spinlock.h:153:23: sparse: sparse: context imbalance in '_raw_write_unlock' - unexpected unlock
Date: Tue, 20 Oct 2020 21:29:48 +0800 [thread overview]
Message-ID: <202010202143.II3R64Cx-lkp@intel.com> (raw)
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CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Helge Deller <deller@gmx.de>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 270315b8235e3d10c2e360cff56c2f9e0915a252
commit: fbdc8f0f4891df7b5eb643ec0a509a4ac7dcfc2e parisc: Rework arch_rw locking functions
date: 7 months ago
:::::: branch date: 12 hours ago
:::::: commit date: 7 months ago
config: parisc-randconfig-s032-20201020 (attached as .config)
compiler: hppa-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: v0.6.3-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fbdc8f0f4891df7b5eb643ec0a509a4ac7dcfc2e
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout fbdc8f0f4891df7b5eb643ec0a509a4ac7dcfc2e
# 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=parisc
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 >>)"
kernel/locking/spinlock.c:126:1: sparse: sparse: symbol '__raw_spin_lock' was not declared. Should it be static?
kernel/locking/spinlock.c:126:1: sparse: sparse: symbol '__raw_spin_lock_irqsave' was not declared. Should it be static?
kernel/locking/spinlock.c:126:1: sparse: sparse: symbol '__raw_spin_lock_irq' was not declared. Should it be static?
kernel/locking/spinlock.c:126:1: sparse: sparse: symbol '__raw_spin_lock_bh' was not declared. Should it be static?
kernel/locking/spinlock.c:127:1: sparse: sparse: symbol '__raw_read_lock' was not declared. Should it be static?
kernel/locking/spinlock.c:127:1: sparse: sparse: symbol '__raw_read_lock_irqsave' was not declared. Should it be static?
kernel/locking/spinlock.c:127:1: sparse: sparse: symbol '__raw_read_lock_irq' was not declared. Should it be static?
kernel/locking/spinlock.c:127:1: sparse: sparse: symbol '__raw_read_lock_bh' was not declared. Should it be static?
kernel/locking/spinlock.c:128:1: sparse: sparse: symbol '__raw_write_lock' was not declared. Should it be static?
kernel/locking/spinlock.c:128:1: sparse: sparse: symbol '__raw_write_lock_irqsave' was not declared. Should it be static?
kernel/locking/spinlock.c:128:1: sparse: sparse: symbol '__raw_write_lock_irq' was not declared. Should it be static?
kernel/locking/spinlock.c:128:1: sparse: sparse: symbol '__raw_write_lock_bh' was not declared. Should it be static?
kernel/locking/spinlock.c:126:1: sparse: sparse: context imbalance in '__raw_spin_lock_irq' - wrong count at exit
kernel/locking/spinlock.c:126:1: sparse: sparse: context imbalance in '__raw_spin_lock_bh' - wrong count at exit
kernel/locking/spinlock.c:127:1: sparse: sparse: context imbalance in '__raw_read_lock_irq' - wrong count at exit
kernel/locking/spinlock.c:127:1: sparse: sparse: context imbalance in '__raw_read_lock_bh' - wrong count at exit
kernel/locking/spinlock.c:128:1: sparse: sparse: context imbalance in '__raw_write_lock_irq' - wrong count at exit
kernel/locking/spinlock.c:128:1: sparse: sparse: context imbalance in '__raw_write_lock_bh' - wrong count at exit
kernel/locking/spinlock.c:181:17: sparse: sparse: context imbalance in '_raw_spin_unlock' - unexpected unlock
kernel/locking/spinlock.c:189:17: sparse: sparse: context imbalance in '_raw_spin_unlock_irqrestore' - unexpected unlock
kernel/locking/spinlock.c:197:17: sparse: sparse: context imbalance in '_raw_spin_unlock_irq' - unexpected unlock
kernel/locking/spinlock.c:205:17: sparse: sparse: context imbalance in '_raw_spin_unlock_bh' - unexpected unlock
kernel/locking/spinlock.c: note: in included file (through arch/parisc/include/asm/atomic.h, include/linux/atomic.h, arch/parisc/include/asm/bitops.h, ...):
arch/parisc/include/asm/spinlock.h:142:23: sparse: sparse: context imbalance in '_raw_read_unlock' - unexpected unlock
arch/parisc/include/asm/spinlock.h:142:23: sparse: sparse: context imbalance in '_raw_read_unlock_irqrestore' - unexpected unlock
arch/parisc/include/asm/spinlock.h:142:23: sparse: sparse: context imbalance in '_raw_read_unlock_irq' - unexpected unlock
arch/parisc/include/asm/spinlock.h:142:23: sparse: sparse: context imbalance in '_raw_read_unlock_bh' - unexpected unlock
>> arch/parisc/include/asm/spinlock.h:153:23: sparse: sparse: context imbalance in '_raw_write_unlock' - unexpected unlock
arch/parisc/include/asm/spinlock.h:153:23: sparse: sparse: context imbalance in '_raw_write_unlock_irqrestore' - unexpected unlock
>> arch/parisc/include/asm/spinlock.h:153:23: sparse: sparse: context imbalance in '_raw_write_unlock_irq' - unexpected unlock
arch/parisc/include/asm/spinlock.h:153:23: sparse: sparse: context imbalance in '_raw_write_unlock_bh' - unexpected unlock
vim +/_raw_write_unlock +153 arch/parisc/include/asm/spinlock.h
^1da177e4c3f41 include/asm-parisc/spinlock.h Linus Torvalds 2005-04-16 147
fbdc8f0f4891df arch/parisc/include/asm/spinlock.h Helge Deller 2020-04-05 148 static inline void arch_write_unlock(arch_rwlock_t *rw)
fbdc8f0f4891df arch/parisc/include/asm/spinlock.h Helge Deller 2020-04-05 149 {
fbdc8f0f4891df arch/parisc/include/asm/spinlock.h Helge Deller 2020-04-05 150 unsigned long flags;
fbdc8f0f4891df arch/parisc/include/asm/spinlock.h Helge Deller 2020-04-05 151
fbdc8f0f4891df arch/parisc/include/asm/spinlock.h Helge Deller 2020-04-05 152 local_irq_save(flags);
fbdc8f0f4891df arch/parisc/include/asm/spinlock.h Helge Deller 2020-04-05 @153 arch_spin_lock(&(rw->lock_mutex));
fbdc8f0f4891df arch/parisc/include/asm/spinlock.h Helge Deller 2020-04-05 154 rw->counter = __ARCH_RW_LOCK_UNLOCKED__;
fbdc8f0f4891df arch/parisc/include/asm/spinlock.h Helge Deller 2020-04-05 155 arch_spin_unlock(&(rw->lock_mutex));
fbdc8f0f4891df arch/parisc/include/asm/spinlock.h Helge Deller 2020-04-05 156 local_irq_restore(flags);
^1da177e4c3f41 include/asm-parisc/spinlock.h Linus Torvalds 2005-04-16 157 }
^1da177e4c3f41 include/asm-parisc/spinlock.h Linus Torvalds 2005-04-16 158
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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next reply other threads:[~2020-10-20 13:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-20 13:29 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2020-12-05 20:20 arch/parisc/include/asm/spinlock.h:153:23: sparse: sparse: context imbalance in '_raw_write_unlock' - unexpected unlock kernel test robot
2020-07-31 13:18 kernel test robot
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