11:03 p.m.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: bdecf38f228bcca73b31ada98b5b7ba1215eb9c9
commit: b707bb13bbeb3348aba518731fa96d3f4ad335ba [9231/9662] mm/debug: add tests
validating architecture page table helpers
config: s390-randconfig-s002-20200518 (attached as .config)
reproduce:
# apt-get install sparse
# sparse version: v0.6.1-193-gb8fad4bc-dirty
git checkout b707bb13bbeb3348aba518731fa96d3f4ad335ba
# save the attached .config to linux build tree
make C=1 ARCH=s390 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp(a)intel.com>
sparse warnings: (new ones prefixed by >>)
> arch/s390/include/asm/pgtable.h:1279:21: sparse: sparse: context
imbalance in 'debug_vm_pgtable' - unexpected unlock
vim +/debug_vm_pgtable +1279 arch/s390/include/asm/pgtable.h
^1da177e4c3f415 include/asm-s390/pgtable.h Linus Torvalds 2005-04-16 1278
190a1d722a59725 include/asm-s390/pgtable.h Martin Schwidefsky 2007-10-22 @1279
static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address)
^1da177e4c3f415 include/asm-s390/pgtable.h Linus Torvalds 2005-04-16 1280 {
d1874a0c2805fcf arch/s390/include/asm/pgtable.h Martin Schwidefsky 2019-04-23 1281 if
((pud_val(*pud) & _REGION_ENTRY_TYPE_MASK) >= _REGION_ENTRY_TYPE_R3)
d1874a0c2805fcf arch/s390/include/asm/pgtable.h Martin Schwidefsky 2019-04-23 1282
return (pmd_t *) pud_deref(*pud) + pmd_index(address);
d1874a0c2805fcf arch/s390/include/asm/pgtable.h Martin Schwidefsky 2019-04-23 1283
return (pmd_t *) pud;
d1874a0c2805fcf arch/s390/include/asm/pgtable.h Martin Schwidefsky 2019-04-23 1284 }
1aea9b3f921003f arch/s390/include/asm/pgtable.h Martin Schwidefsky 2017-04-24 1285
:::::: The code at line 1279 was first introduced by commit
:::::: 190a1d722a59725706daf832bc8a511ed62f249d [S390] 4level-fixup cleanup
:::::: TO: Martin Schwidefsky <schwidefsky(a)de.ibm.com>
:::::: CC: Martin Schwidefsky <schwidefsky(a)de.ibm.com>
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0-DAY CI Kernel Test Service, Intel Corporation
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