tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: ea4424be16887a37735d6550cfd0611528dbe5d9 commit: b99a342d4f11a5455d999b12f5fee42ab6acaf8c NUMA balancing: reduce TLB flush via delaying mapping on hint page fault date: 10 months ago config: alpha-randconfig-s031-20220308 (https://download.01.org/0day-ci/archive/20220309/202203090359.xgOwYxvo-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 11.2.0 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: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b99a342d4f11a5455d999b12f5fee42ab6acaf8c git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout b99a342d4f11a5455d999b12f5fee42ab6acaf8c # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=alpha SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) mm/memory.c:949:17: sparse: sparse: context imbalance in 'copy_pte_range' - different lock contexts for basic block mm/memory.c:1629:16: sparse: sparse: context imbalance in '__get_locked_pte' - different lock contexts for basic block mm/memory.c:1678:9: sparse: sparse: context imbalance in 'insert_page' - different lock contexts for basic block mm/memory.c:2180:17: sparse: sparse: context imbalance in 'remap_pte_range' - different lock contexts for basic block mm/memory.c:2436:17: sparse: sparse: context imbalance in 'apply_to_pte_range' - unexpected unlock mm/memory.c:2692:17: sparse: sparse: context imbalance in 'wp_page_copy' - unexpected unlock mm/memory.c:3038:17: sparse: sparse: context imbalance in 'wp_pfn_shared' - unexpected unlock mm/memory.c:3101:19: sparse: sparse: context imbalance in 'do_wp_page' - different lock contexts for basic block mm/memory.c: note: in included file (through include/linux/mm.h, arch/alpha/include/asm/io.h, include/linux/io.h, include/linux/irq.h, ...): >> include/linux/pgtable.h:257:16: sparse: sparse: cast to non-scalar >> include/linux/pgtable.h:257:16: sparse: sparse: cast from non-scalar mm/memory.c:4660:5: sparse: sparse: context imbalance in 'follow_invalidate_pte' - different lock contexts for basic block mm/memory.c:4781:9: sparse: sparse: context imbalance in 'follow_pfn' - unexpected unlock vim +257 include/linux/pgtable.h e2cda322648122 include/asm-generic/pgtable.h Andrea Arcangeli 2011-01-13 253 481e980a7c199c include/linux/pgtable.h Christophe Leroy 2020-06-15 254 #ifndef __HAVE_ARCH_PTEP_GET 481e980a7c199c include/linux/pgtable.h Christophe Leroy 2020-06-15 255 static inline pte_t ptep_get(pte_t *ptep) 481e980a7c199c include/linux/pgtable.h Christophe Leroy 2020-06-15 256 { 481e980a7c199c include/linux/pgtable.h Christophe Leroy 2020-06-15 @257 return READ_ONCE(*ptep); 481e980a7c199c include/linux/pgtable.h Christophe Leroy 2020-06-15 258 } 481e980a7c199c include/linux/pgtable.h Christophe Leroy 2020-06-15 259 #endif 481e980a7c199c include/linux/pgtable.h Christophe Leroy 2020-06-15 260 :::::: The code at line 257 was first introduced by commit :::::: 481e980a7c199c5a4634fd7ea308067dd4ba75fa mm: Allow arches to provide ptep_get() :::::: TO: Christophe Leroy <christophe.leroy@xxxxxxxxxx> :::::: CC: Michael Ellerman <mpe@xxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
