Messages in this thread | | | Date | Fri, 3 Sep 2021 04:00:22 +0800 | From | kernel test robot <> | Subject | arch/powerpc/mm/mem.c:53:12: error: no previous prototype for 'create_section_mapping' |
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Hi Christophe,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 4a3bb4200a5958d76cc26ebe4db4257efa56812b commit: b26e8f27253a47bff90972b987112fd8396e9b8d powerpc/mem: Move cache flushing functions into mm/cacheflush.c date: 5 months ago config: powerpc-randconfig-r024-20210903 (attached as .config) compiler: powerpc64-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b26e8f27253a47bff90972b987112fd8396e9b8d git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout b26e8f27253a47bff90972b987112fd8396e9b8d # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> arch/powerpc/mm/mem.c:53:12: error: no previous prototype for 'create_section_mapping' [-Werror=missing-prototypes] 53 | int __weak create_section_mapping(unsigned long start, unsigned long end, | ^~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors
vim +/create_section_mapping +53 arch/powerpc/mm/mem.c
bc02af93dd2bbd Yasunori Goto 2006-06-27 52 4e00c5affdd4b0 Logan Gunthorpe 2020-04-10 @53 int __weak create_section_mapping(unsigned long start, unsigned long end, 4e00c5affdd4b0 Logan Gunthorpe 2020-04-10 54 int nid, pgprot_t prot) fecbfabe1dc940 Benjamin Herrenschmidt 2016-07-05 55 { fecbfabe1dc940 Benjamin Herrenschmidt 2016-07-05 56 return -ENODEV; fecbfabe1dc940 Benjamin Herrenschmidt 2016-07-05 57 } fecbfabe1dc940 Benjamin Herrenschmidt 2016-07-05 58
:::::: The code at line 53 was first introduced by commit :::::: 4e00c5affdd4b04e6392001716333971932f3d0c powerpc/mm: thread pgprot_t through create_section_mapping()
:::::: TO: Logan Gunthorpe <logang@deltatee.com> :::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
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