CC: [email protected]
CC: [email protected]
TO: Alex Shi <[email protected]>
CC: "Kirill A. Shutemov" <[email protected]>
CC: Andrew Morton <[email protected]>
CC: Linux Memory Management List <[email protected]>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 
master
head:   8096acd7442e613fad0354fc8dfdb2003cceea0b
commit: b6769834aac1d467fa1c71277d15688efcbb4d76 mm/thp: narrow lru locking
date:   7 months ago
:::::: branch date: 18 hours ago
:::::: commit date: 7 months ago
config: x86_64-randconfig-s031-20210715 (attached as .config)
compiler: gcc-10 (Ubuntu 10.3.0-1ubuntu1~20.04) 10.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b6769834aac1d467fa1c71277d15688efcbb4d76
        git remote add linus 
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout b6769834aac1d467fa1c71277d15688efcbb4d76
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir 
ARCH=x86_64 SHELL=/bin/bash

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


sparse warnings: (new ones prefixed by >>)
   mm/huge_memory.c:1640:20: sparse: sparse: context imbalance in 
'madvise_free_huge_pmd' - unexpected unlock
   mm/huge_memory.c:1677:28: sparse: sparse: context imbalance in 
'zap_huge_pmd' - unexpected unlock
   mm/huge_memory.c:1787:28: sparse: sparse: context imbalance in 
'move_huge_pmd' - unexpected unlock
   mm/huge_memory.c:1891:20: sparse: sparse: context imbalance in 
'change_huge_pmd' - unexpected unlock
   mm/huge_memory.c:1901:12: sparse: sparse: context imbalance in 
'__pmd_trans_huge_lock' - wrong count at exit
   mm/huge_memory.c:1918:12: sparse: sparse: context imbalance in 
'__pud_trans_huge_lock' - wrong count at exit
   mm/huge_memory.c:1947:28: sparse: sparse: context imbalance in 
'zap_huge_pud' - unexpected unlock
   mm/huge_memory.c:2510:29: sparse: sparse: context imbalance in 
'__split_huge_page' - unexpected unlock
   mm/huge_memory.c: note: in included file (through 
arch/x86/include/asm/msr.h, arch/x86/include/asm/processor.h, 
arch/x86/include/asm/cpufeature.h, ...):
>> arch/x86/include/asm/paravirt.h:663:9: sparse: sparse: context imbalance in 
>> 'split_huge_page_to_list' - different lock contexts for basic block

vim +/split_huge_page_to_list +663 arch/x86/include/asm/paravirt.h

139ec7c416248b include/asm-i386/paravirt.h     Rusty Russell  2006-12-07  660  
b5908548537ccd arch/x86/include/asm/paravirt.h Steven Rostedt 2010-11-10  661  
static inline notrace void arch_local_irq_enable(void)
139ec7c416248b include/asm-i386/paravirt.h     Rusty Russell  2006-12-07  662  {
5c83511bdb9832 arch/x86/include/asm/paravirt.h Juergen Gross  2018-08-28 @663   
PVOP_VCALLEE0(irq.irq_enable);
139ec7c416248b include/asm-i386/paravirt.h     Rusty Russell  2006-12-07  664  }
139ec7c416248b include/asm-i386/paravirt.h     Rusty Russell  2006-12-07  665  

:::::: The code at line 663 was first introduced by commit
:::::: 5c83511bdb9832c86be20fb86b783356e2f58062 x86/paravirt: Use a single ops 
structure

:::::: TO: Juergen Gross <[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

_______________________________________________
kbuild mailing list -- [email protected]
To unsubscribe send an email to [email protected]

Reply via email to