Hi Nicholas, I love your patch! Perhaps something to improve:
[auto build test WARNING on powerpc/next] [also build test WARNING on linus/master next-20210430] [cannot apply to scottwood/next v5.12] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Nicholas-Piggin/powerpc-64s-radix-Enable-huge-vmalloc-mappings/20210502-125808 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: powerpc64-defconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 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://github.com/0day-ci/linux/commit/1c8b90cff6679d7690891101efc07a1edd98e9a7 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Nicholas-Piggin/powerpc-64s-radix-Enable-huge-vmalloc-mappings/20210502-125808 git checkout 1c8b90cff6679d7690891101efc07a1edd98e9a7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=powerpc64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All warnings (new ones prefixed by >>): fs/proc/kcore.c: In function 'add_modules_range': >> fs/proc/kcore.c:626:20: warning: self-comparison always evaluates to false >> [-Wtautological-compare] 626 | if (MODULES_VADDR != VMALLOC_START && MODULES_END != VMALLOC_END) { | ^~ fs/proc/kcore.c:626:52: warning: self-comparison always evaluates to false [-Wtautological-compare] 626 | if (MODULES_VADDR != VMALLOC_START && MODULES_END != VMALLOC_END) { | ^~ vim +626 fs/proc/kcore.c 9492587cf35d37 KAMEZAWA Hiroyuki 2009-09-22 618 81ac3ad9061dd9 KAMEZAWA Hiroyuki 2009-09-22 619 #if defined(CONFIG_MODULES) && defined(MODULES_VADDR) 81ac3ad9061dd9 KAMEZAWA Hiroyuki 2009-09-22 620 /* 81ac3ad9061dd9 KAMEZAWA Hiroyuki 2009-09-22 621 * MODULES_VADDR has no intersection with VMALLOC_ADDR. 81ac3ad9061dd9 KAMEZAWA Hiroyuki 2009-09-22 622 */ eebf36480678f9 YueHaibing 2019-03-28 623 static struct kcore_list kcore_modules; 81ac3ad9061dd9 KAMEZAWA Hiroyuki 2009-09-22 624 static void __init add_modules_range(void) 81ac3ad9061dd9 KAMEZAWA Hiroyuki 2009-09-22 625 { bf3e2692468fe4 Baoquan He 2014-10-09 @626 if (MODULES_VADDR != VMALLOC_START && MODULES_END != VMALLOC_END) { 81ac3ad9061dd9 KAMEZAWA Hiroyuki 2009-09-22 627 kclist_add(&kcore_modules, (void *)MODULES_VADDR, 81ac3ad9061dd9 KAMEZAWA Hiroyuki 2009-09-22 628 MODULES_END - MODULES_VADDR, KCORE_VMALLOC); 81ac3ad9061dd9 KAMEZAWA Hiroyuki 2009-09-22 629 } bf3e2692468fe4 Baoquan He 2014-10-09 630 } 81ac3ad9061dd9 KAMEZAWA Hiroyuki 2009-09-22 631 #else 81ac3ad9061dd9 KAMEZAWA Hiroyuki 2009-09-22 632 static void __init add_modules_range(void) 81ac3ad9061dd9 KAMEZAWA Hiroyuki 2009-09-22 633 { 81ac3ad9061dd9 KAMEZAWA Hiroyuki 2009-09-22 634 } 81ac3ad9061dd9 KAMEZAWA Hiroyuki 2009-09-22 635 #endif 81ac3ad9061dd9 KAMEZAWA Hiroyuki 2009-09-22 636 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
.config.gz
Description: application/gzip
