include/linux/compiler.h:199:9: sparse: sparse: context imbalance in 'alua_rtpg' - different lock contexts for basic block

include/linux/compiler.h:199:9: sparse: sparse: context imbalance in 'alua_rtpg' - different lock contexts for basic block

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f359287765c04711ff54fbd11645271d8e5ff763
commit: fb041bb7c0a918b95c6889fc965cdc4a75b4c0ca locking/refcount: Consolidate implementations of refcount_t
date:   6 months ago
config: ia64-randconfig-s032-20200602 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-243-gc100a7ab-dirty
        git checkout fb041bb7c0a918b95c6889fc965cdc4a75b4c0ca
        # save the attached .config to linux build tree
        make W=1 C=1 ARCH=ia64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>


sparse warnings: (new ones prefixed by >>)

>> include/linux/compiler.h:199:9: sparse: sparse: context imbalance in 'alua_rtpg' - different lock contexts for basic block

vim +/alua_rtpg +199 include/linux/compiler.h

d976441f44bc5d4 Andrey Ryabinin       2015-10-19  195  
d976441f44bc5d4 Andrey Ryabinin       2015-10-19  196  static __always_inline
d976441f44bc5d4 Andrey Ryabinin       2015-10-19  197  void __read_once_size(const volatile void *p, void *res, int size)
230fa253df6352a Christian Borntraeger 2014-11-25  198  {
d976441f44bc5d4 Andrey Ryabinin       2015-10-19 @199  	__READ_ONCE_SIZE;
230fa253df6352a Christian Borntraeger 2014-11-25  200  }
d976441f44bc5d4 Andrey Ryabinin       2015-10-19  201  

:::::: The code at line 199 was first introduced by commit
:::::: d976441f44bc5d48635d081d277aa76556ffbf8b compiler, atomics, kasan: Provide READ_ONCE_NOCHECK()

:::::: TO: Andrey Ryabinin <aryabinin@virtuozzo.com>
:::::: CC: Ingo Molnar <mingo@kernel.org>

---
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