CC: [email protected]
CC: [email protected]
TO: Guo Ren <[email protected]>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   bf05bf16c76bb44ab5156223e1e58e26dfe30a88
commit: 18c07d23da5a48525b2955aa269b8bb108c19300 csky: Fixup calltrace panic
date:   11 months ago
:::::: branch date: 3 hours ago
:::::: commit date: 11 months ago
config: csky-randconfig-s032-20210419 (attached as .config)
compiler: csky-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: v0.6.3-280-g2cd6d34e-dirty
        # 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=18c07d23da5a48525b2955aa269b8bb108c19300
        git remote add linus 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 18c07d23da5a48525b2955aa269b8bb108c19300
        # 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__' W=1 ARCH=csky 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email protected]>


sparse warnings: (new ones prefixed by >>)
   kernel/locking/rtmutex.c: note: in included file (through 
include/linux/irqflags.h, include/asm-generic/cmpxchg.h, 
arch/csky/include/asm/cmpxchg.h, ...):
>> arch/csky/include/asm/irqflags.h:19:9: sparse: sparse: context imbalance in 
>> 'rt_mutex_adjust_prio_chain' - different lock contexts for basic block

vim +/rt_mutex_adjust_prio_chain +19 arch/csky/include/asm/irqflags.h

e38a5272baaa81 Guo Ren 2018-09-05  16  
e38a5272baaa81 Guo Ren 2018-09-05  17  static inline void 
arch_local_irq_enable(void)
e38a5272baaa81 Guo Ren 2018-09-05  18  {
e38a5272baaa81 Guo Ren 2018-09-05 @19   asm volatile("psrset ee, 
ie\n":::"memory");
e38a5272baaa81 Guo Ren 2018-09-05  20  }
e38a5272baaa81 Guo Ren 2018-09-05  21  #define arch_local_irq_enable 
arch_local_irq_enable
e38a5272baaa81 Guo Ren 2018-09-05  22  

:::::: The code at line 19 was first introduced by commit
:::::: e38a5272baaa81b31680389efdec0c9008e17446 csky: IRQ handling

:::::: TO: Guo Ren <[email protected]>
:::::: CC: Guo Ren <[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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