Messages in this thread | | | Date | Thu, 31 Mar 2022 21:30:36 +0800 | From | kernel test robot <> | Subject | arch/arm64/kernel/elfcore.c:62:1: warning: the frame size of 2064 bytes is larger than 2048 bytes |
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Hi Catalin,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 787af64d05cd528aac9ad16752d11bb1c6061bb9 commit: 6dd8b1a0b6cb3ed93d24110e02e67ff9d006610a arm64: mte: Dump the MTE tags in the core file date: 6 weeks ago config: arm64-randconfig-s031-20220331 (https://download.01.org/0day-ci/archive/20220331/202203312129.zEYwA7Ce-lkp@intel.com/config) compiler: aarch64-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=6dd8b1a0b6cb3ed93d24110e02e67ff9d006610a git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 6dd8b1a0b6cb3ed93d24110e02e67ff9d006610a # 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=arm64 SHELL=/bin/bash arch/arm64/kernel/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
arch/arm64/kernel/elfcore.c: In function 'mte_dump_tag_range': >> arch/arm64/kernel/elfcore.c:62:1: warning: the frame size of 2064 bytes is larger than 2048 bytes [-Wframe-larger-than=] 62 | } | ^
vim +62 arch/arm64/kernel/elfcore.c
23 24 /* Derived from dump_user_range(); start/end must be page-aligned */ 25 static int mte_dump_tag_range(struct coredump_params *cprm, 26 unsigned long start, unsigned long end) 27 { 28 unsigned long addr; 29 30 for (addr = start; addr < end; addr += PAGE_SIZE) { 31 char tags[MTE_PAGE_TAG_STORAGE]; 32 struct page *page = get_dump_page(addr); 33 34 /* 35 * get_dump_page() returns NULL when encountering an empty 36 * page table entry that would otherwise have been filled with 37 * the zero page. Skip the equivalent tag dump which would 38 * have been all zeros. 39 */ 40 if (!page) { 41 dump_skip(cprm, MTE_PAGE_TAG_STORAGE); 42 continue; 43 } 44 45 /* 46 * Pages mapped in user space as !pte_access_permitted() (e.g. 47 * PROT_EXEC only) may not have the PG_mte_tagged flag set. 48 */ 49 if (!test_bit(PG_mte_tagged, &page->flags)) { 50 put_page(page); 51 dump_skip(cprm, MTE_PAGE_TAG_STORAGE); 52 continue; 53 } 54 55 mte_save_page_tags(page_address(page), tags); 56 put_page(page); 57 if (!dump_emit(cprm, tags, MTE_PAGE_TAG_STORAGE)) 58 return 0; 59 } 60 61 return 1; > 62 } 63
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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