tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 625d3449788f85569096780592549d0340e9c0c7 commit: f566e1fbadb686e28f1c307e356114b2865ef588 kbuild: make multiple directory targets work date: 5 months ago config: openrisc-randconfig-s031-20200622 (attached as .config) compiler: or1k-linux-gcc (GCC) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-dirty git checkout f566e1fbadb686e28f1c307e356114b2865ef588 # save the attached .config to linux build tree make W=1 C=1 ARCH=openrisc CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <l...@intel.com>
sparse warnings: (new ones prefixed by >>)
>> include/asm-generic/qspinlock.h:94:9: sparse: sparse: context imbalance in
>> 'tcp_get_cookie_sock' - unexpected unlock
vim +/tcp_get_cookie_sock +94 include/asm-generic/qspinlock.h
a33fda35e3a765 Waiman Long 2015-04-24 83
a33fda35e3a765 Waiman Long 2015-04-24 84 #ifndef queued_spin_unlock
a33fda35e3a765 Waiman Long 2015-04-24 85 /**
a33fda35e3a765 Waiman Long 2015-04-24 86 * queued_spin_unlock - release a
queued spinlock
a33fda35e3a765 Waiman Long 2015-04-24 87 * @lock : Pointer to queued
spinlock structure
a33fda35e3a765 Waiman Long 2015-04-24 88 */
a33fda35e3a765 Waiman Long 2015-04-24 89 static __always_inline void
queued_spin_unlock(struct qspinlock *lock)
a33fda35e3a765 Waiman Long 2015-04-24 90 {
a33fda35e3a765 Waiman Long 2015-04-24 91 /*
ca50e426f96c90 Pan Xinhui 2016-06-03 92 * unlock() needs release
semantics:
a33fda35e3a765 Waiman Long 2015-04-24 93 */
626e5fbc143589 Will Deacon 2018-04-26 @94
smp_store_release(&lock->locked, 0);
a33fda35e3a765 Waiman Long 2015-04-24 95 }
a33fda35e3a765 Waiman Long 2015-04-24 96 #endif
a33fda35e3a765 Waiman Long 2015-04-24 97
:::::: The code at line 94 was first introduced by commit
:::::: 626e5fbc14358901ddaa90ce510e0fbeab310432 locking/qspinlock: Use
smp_store_release() in queued_spin_unlock()
:::::: TO: Will Deacon <will.dea...@arm.com>
:::::: CC: Ingo Molnar <mi...@kernel.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
