Messages in this thread |  | | Subject | Re: [PATCH] posix_acl: Use try_cmpxchg in get_acl | From | kernel test robot <> | Date | Mon, 18 Jul 2022 10:05:18 +0800 |
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Hi Uros,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master] [also build test ERROR on v5.19-rc6 next-20220715] [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#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Uros-Bizjak/posix_acl-Use-try_cmpxchg-in-get_acl/20220715-014002 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 4a57a8400075bc5287c5c877702c68aeae2a033d config: powerpc-sam440ep_defconfig (https://download.01.org/0day-ci/archive/20220716/202207162205.iBwToBEr-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 12.1.0 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/intel-lab-lkp/linux/commit/8291d21630df3a57adf6d0ed8a1cded2a2700f66 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Uros-Bizjak/posix_acl-Use-try_cmpxchg-in-get_acl/20220715-014002 git checkout 8291d21630df3a57adf6d0ed8a1cded2a2700f66 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
In file included from include/linux/kernel.h:20, from fs/posix_acl.c:14: fs/posix_acl.c: In function 'get_acl': >> include/linux/atomic/atomic-arch-fallback.h:90:34: error: initialization of 'struct posix_acl **' from incompatible pointer type 'void **' [-Werror=incompatible-pointer-types] 90 | typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ | ^ include/linux/compiler.h:78:45: note: in definition of macro 'unlikely' 78 | # define unlikely(x) __builtin_expect(!!(x), 0) | ^ include/linux/atomic/atomic-instrumented.h:1978:9: note: in expansion of macro 'arch_try_cmpxchg' 1978 | arch_try_cmpxchg(__ai_ptr, __ai_oldp, __VA_ARGS__); \ | ^~~~~~~~~~~~~~~~ fs/posix_acl.c:167:23: note: in expansion of macro 'try_cmpxchg' 167 | if (unlikely(!try_cmpxchg(p, &sentinel, acl))) | ^~~~~~~~~~~ cc1: some warnings being treated as errors
vim +90 include/linux/atomic/atomic-arch-fallback.h
29f006fdefe6f8 include/linux/atomic-arch-fallback.h Peter Zijlstra 2020-08-29 86 29f006fdefe6f8 include/linux/atomic-arch-fallback.h Peter Zijlstra 2020-08-29 87 #ifndef arch_try_cmpxchg 29f006fdefe6f8 include/linux/atomic-arch-fallback.h Peter Zijlstra 2020-08-29 88 #define arch_try_cmpxchg(_ptr, _oldp, _new) \ 29f006fdefe6f8 include/linux/atomic-arch-fallback.h Peter Zijlstra 2020-08-29 89 ({ \ 29f006fdefe6f8 include/linux/atomic-arch-fallback.h Peter Zijlstra 2020-08-29 @90 typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ 29f006fdefe6f8 include/linux/atomic-arch-fallback.h Peter Zijlstra 2020-08-29 91 ___r = arch_cmpxchg((_ptr), ___o, (_new)); \ 29f006fdefe6f8 include/linux/atomic-arch-fallback.h Peter Zijlstra 2020-08-29 92 if (unlikely(___r != ___o)) \ 29f006fdefe6f8 include/linux/atomic-arch-fallback.h Peter Zijlstra 2020-08-29 93 *___op = ___r; \ 29f006fdefe6f8 include/linux/atomic-arch-fallback.h Peter Zijlstra 2020-08-29 94 likely(___r == ___o); \ 29f006fdefe6f8 include/linux/atomic-arch-fallback.h Peter Zijlstra 2020-08-29 95 }) 29f006fdefe6f8 include/linux/atomic-arch-fallback.h Peter Zijlstra 2020-08-29 96 #endif /* arch_try_cmpxchg */ 29f006fdefe6f8 include/linux/atomic-arch-fallback.h Peter Zijlstra 2020-08-29 97 -- 0-DAY CI Kernel Test Service https://01.org/lkp
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