CC: [email protected]
CC: [email protected]
TO: Krzysztof Kozlowski <[email protected]>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   09162bc32c880a791c6c0668ce0745cf7958f576
commit: ea0c0ad6b6eb36726088991d97a55b99cae456d0 memory: Enable compile testing 
for most of the drivers
date:   3 months ago
:::::: branch date: 12 hours ago
:::::: commit date: 3 months ago
config: parisc-randconfig-s032-20201116 (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: v0.6.3-107-gaf3512a6-dirty
        # 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ea0c0ad6b6eb36726088991d97a55b99cae456d0
        git remote add linus 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout ea0c0ad6b6eb36726088991d97a55b99cae456d0
        # 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 <[email protected]>


"sparse warnings: (new ones prefixed by >>)"
   drivers/memory/emif.c:1873:9: sparse: sparse: context imbalance in 
'freq_pre_notify_handling' - wrong count at exit
   drivers/memory/emif.c: note: in included file (through 
include/linux/rwsem.h, include/linux/notifier.h, include/linux/reboot.h):
>> include/linux/spinlock.h:409:9: sparse: sparse: context imbalance in 
>> 'freq_post_notify_handling' - unexpected unlock

vim +/freq_post_notify_handling +409 include/linux/spinlock.h

c2f21ce2e31286a Thomas Gleixner 2009-12-02  406  
3490565b633c705 Denys Vlasenko  2015-07-13  407  static __always_inline void 
spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags)
c2f21ce2e31286a Thomas Gleixner 2009-12-02  408  {
c2f21ce2e31286a Thomas Gleixner 2009-12-02 @409         
raw_spin_unlock_irqrestore(&lock->rlock, flags);
c2f21ce2e31286a Thomas Gleixner 2009-12-02  410  }
c2f21ce2e31286a Thomas Gleixner 2009-12-02  411  

:::::: The code at line 409 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]

Attachment: .config.gz
Description: application/gzip

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