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 <[email protected]>


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 <[email protected]>
:::::: CC: Thomas Gleixner <[email protected]>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/[email protected]

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