tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: ccc252d2e818f6a479441119ad453c3ce7c7c461 commit: 69f98828728fe664faf3e9be5f476f08b4595da1 [6338/7430] cifs: get rid of binding_chan and use chans_need_reconnect instead config: powerpc-randconfig-r023-20210604 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 5c0d1b2f902aa6a9cf47cc7e42c5b83bb2217cf9) 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 # install powerpc cross compiling tool for clang build # apt-get install binutils-powerpc-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=69f98828728fe664faf3e9be5f476f08b4595da1 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 69f98828728fe664faf3e9be5f476f08b4595da1 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from fs/cifs/transport.c:23: In file included from include/linux/fs.h:6: In file included from include/linux/wait_bit.h:8: In file included from include/linux/wait.h:7: In file included from include/linux/list.h:9: In file included from include/linux/kernel.h:12: In file included from include/linux/bitops.h:32: In file included from arch/powerpc/include/asm/bitops.h:62: arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined] #define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory") ^ <built-in>:309:9: note: previous definition is here #define __lwsync __builtin_ppc_lwsync ^ >> fs/cifs/transport.c:1065:7: error: incompatible pointer types passing 'size_t *' (aka 'unsigned int *') to parameter of type 'const volatile unsigned long *' [-Werror,-Wincompatible-pointer-types] if (CIFS_CHAN_NEEDS_RECONNECT(ses, index)) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ fs/cifs/cifsglob.h:955:20: note: expanded from macro 'CIFS_CHAN_NEEDS_RECONNECT' test_bit((index), &(ses)->chans_need_reconnect) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/bitops/non-atomic.h:104:66: note: passing argument to parameter 'addr' here static inline int test_bit(int nr, const volatile unsigned long *addr) ^ 1 warning and 1 error generated. vim +1065 fs/cifs/transport.c 1043 1044 /* 1045 * Return a channel (master if none) of @ses that can be used to send 1046 * regular requests. 1047 * 1048 * If we are currently binding a new channel (negprot/sess.setup), 1049 * return the new incomplete channel. 1050 */ 1051 struct TCP_Server_Info *cifs_pick_channel(struct cifs_ses *ses) 1052 { 1053 uint index = 0; 1054 1055 if (!ses) 1056 return NULL; 1057 1058 /* round robin */ 1059 pick_another: 1060 if (ses->chan_count > 1 && 1061 !CIFS_ALL_CHANS_NEED_RECONNECT(ses)) { 1062 index = (uint)atomic_inc_return(&ses->chan_seq); 1063 index %= ses->chan_count; 1064 > 1065 if (CIFS_CHAN_NEEDS_RECONNECT(ses, index)) 1066 goto pick_another; 1067 } 1068 return ses->chans[index].server; 1069 } 1070 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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