CC: kbuild-...@lists.01.org CC: Linux Memory Management List <linux...@kvack.org> TO: Nicholas Piggin <npig...@gmail.com> CC: Miaohe Lin <linmia...@huawei.com> CC: Christoph Hellwig <h...@lst.de> CC: Andrew Morton <a...@linux-foundation.org> CC: Linux Memory Management List <linux...@kvack.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: e99d8a8495175df8cb8b739f8cf9b0fc9d0cd3b5 commit: 0bdcf521468e8d8b2592922fd2bde0d69e651c69 [8257/11648] mm/vmalloc: rename vmap_*_range vmap_pages_*_range :::::: branch date: 4 hours ago :::::: commit date: 8 days ago config: parisc-randconfig-s031-20210409 (attached as .config) compiler: hppa64-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: v0.6.3-279-g6d5d9b42-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=0bdcf521468e8d8b2592922fd2bde0d69e651c69 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 0bdcf521468e8d8b2592922fd2bde0d69e651c69 # 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 <l...@intel.com> sparse warnings: (new ones prefixed by >>) mm/vmalloc.c: note: in included file (through include/linux/pgtable.h, include/linux/mm.h): arch/parisc/include/asm/pgtable.h:451:9: sparse: sparse: context imbalance in 'vunmap_pte_range' - different lock contexts for basic block >> mm/vmalloc.c:214:17: sparse: sparse: context imbalance in >> 'vmap_pages_pte_range' - different lock contexts for basic block vim +/vmap_pages_pte_range +214 mm/vmalloc.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 191 0bdcf521468e8d Nicholas Piggin 2021-04-01 192 static int vmap_pages_pte_range(pmd_t *pmd, unsigned long addr, 2ba3e6947aed9b Joerg Roedel 2020-06-01 193 unsigned long end, pgprot_t prot, struct page **pages, int *nr, 2ba3e6947aed9b Joerg Roedel 2020-06-01 194 pgtbl_mod_mask *mask) ^1da177e4c3f41 Linus Torvalds 2005-04-16 195 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 196 pte_t *pte; ^1da177e4c3f41 Linus Torvalds 2005-04-16 197 db64fe02258f15 Nick Piggin 2008-10-18 198 /* db64fe02258f15 Nick Piggin 2008-10-18 199 * nr is a running index into the array which helps higher level db64fe02258f15 Nick Piggin 2008-10-18 200 * callers keep track of where we're up to. db64fe02258f15 Nick Piggin 2008-10-18 201 */ db64fe02258f15 Nick Piggin 2008-10-18 202 2ba3e6947aed9b Joerg Roedel 2020-06-01 203 pte = pte_alloc_kernel_track(pmd, addr, mask); ^1da177e4c3f41 Linus Torvalds 2005-04-16 204 if (!pte) ^1da177e4c3f41 Linus Torvalds 2005-04-16 205 return -ENOMEM; ^1da177e4c3f41 Linus Torvalds 2005-04-16 206 do { db64fe02258f15 Nick Piggin 2008-10-18 207 struct page *page = pages[*nr]; db64fe02258f15 Nick Piggin 2008-10-18 208 db64fe02258f15 Nick Piggin 2008-10-18 209 if (WARN_ON(!pte_none(*pte))) db64fe02258f15 Nick Piggin 2008-10-18 210 return -EBUSY; db64fe02258f15 Nick Piggin 2008-10-18 211 if (WARN_ON(!page)) ^1da177e4c3f41 Linus Torvalds 2005-04-16 212 return -ENOMEM; ^1da177e4c3f41 Linus Torvalds 2005-04-16 213 set_pte_at(&init_mm, addr, pte, mk_pte(page, prot)); db64fe02258f15 Nick Piggin 2008-10-18 @214 (*nr)++; ^1da177e4c3f41 Linus Torvalds 2005-04-16 215 } while (pte++, addr += PAGE_SIZE, addr != end); 2ba3e6947aed9b Joerg Roedel 2020-06-01 216 *mask |= PGTBL_PTE_MODIFIED; ^1da177e4c3f41 Linus Torvalds 2005-04-16 217 return 0; ^1da177e4c3f41 Linus Torvalds 2005-04-16 218 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 219 :::::: The code at line 214 was first introduced by commit :::::: db64fe02258f1507e13fe5212a989922323685ce mm: rewrite vmap layer :::::: TO: Nick Piggin <npig...@suse.de> :::::: CC: Linus Torvalds <torva...@linux-foundation.org> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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