Hi Jeya, Thank you for the patch! Yet something to improve: [auto build test ERROR on char-misc/char-misc-testing] [also build test ERROR on v5.16-rc3 next-20211126] [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/Jeya-R/Add-DMA-handle-implementation/20211129-133228 base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git cd455ebb748c4e198c8158e5d61b3034bf10f22b config: hexagon-randconfig-r045-20211129 (https://download.01.org/0day-ci/archive/20211129/202111291504.W1SMyI4E-lkp@xxxxxxxxx/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project df08b2fe8b35cb63dfb3b49738a3494b9b4e6f8e) 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/d8e9cc594aeafa392d306e883c741b984b5fc89a git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Jeya-R/Add-DMA-handle-implementation/20211129-133228 git checkout d8e9cc594aeafa392d306e883c741b984b5fc89a # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash drivers/misc/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/misc/fastrpc.c:721:17: error: use of 'fastrpc_remote_arg' with tag type that does not match previous declaration size = (sizeof(struct fastrpc_remote_arg) + ^~~~~~ union drivers/misc/fastrpc.c:106:7: note: previous use is here union fastrpc_remote_arg { ^ drivers/misc/fastrpc.c:925:2: error: use of 'fastrpc_remote_arg' with tag type that does not match previous declaration struct fastrpc_remote_arg *rpra = ctx->rpra; ^~~~~~ union drivers/misc/fastrpc.c:106:7: note: previous use is here union fastrpc_remote_arg { ^ >> drivers/misc/fastrpc.c:942:43: error: no member named 'pv' in 'union fastrpc_remote_arg' void *src = (void *)(uintptr_t)rpra[i].pv; ~~~~~~~ ^ >> drivers/misc/fastrpc.c:944:22: error: no member named 'len' in 'union fastrpc_remote_arg' u64 len = rpra[i].len; ~~~~~~~ ^ drivers/misc/fastrpc.c:958:25: error: use of undeclared identifier 'fl' if (!fastrpc_map_find(fl, (int)fdlist[i], &mmap)) ^ 5 errors generated. vim +/fastrpc_remote_arg +721 drivers/misc/fastrpc.c c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 689 c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 690 /* c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 691 * Fastrpc payload buffer with metadata looks like: c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 692 * c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 693 * >>>>>> START of METADATA <<<<<<<<< c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 694 * +---------------------------------+ c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 695 * | Arguments | c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 696 * | type:(struct fastrpc_remote_arg)| c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 697 * | (0 - N) | c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 698 * +---------------------------------+ c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 699 * | Invoke Buffer list | c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 700 * | type:(struct fastrpc_invoke_buf)| c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 701 * | (0 - N) | c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 702 * +---------------------------------+ c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 703 * | Page info list | c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 704 * | type:(struct fastrpc_phy_page) | c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 705 * | (0 - N) | c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 706 * +---------------------------------+ c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 707 * | Optional info | c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 708 * |(can be specific to SoC/Firmware)| c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 709 * +---------------------------------+ c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 710 * >>>>>>>> END of METADATA <<<<<<<<< c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 711 * +---------------------------------+ c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 712 * | Inline ARGS | c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 713 * | (0-N) | c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 714 * +---------------------------------+ c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 715 */ c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 716 c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 717 static int fastrpc_get_meta_size(struct fastrpc_invoke_ctx *ctx) c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 718 { c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 719 int size = 0; c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 720 c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 @721 size = (sizeof(struct fastrpc_remote_arg) + c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 722 sizeof(struct fastrpc_invoke_buf) + c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 723 sizeof(struct fastrpc_phy_page)) * ctx->nscalars + c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 724 sizeof(u64) * FASTRPC_MAX_FDLIST + c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 725 sizeof(u32) * FASTRPC_MAX_CRCLIST; c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 726 c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 727 return size; c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 728 } c68cfb718c8f97 Srinivas Kandagatla 2019-02-08 729 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
