Hi Ekansh, kernel test robot noticed the following build warnings: [auto build test WARNING on char-misc/char-misc-testing] [also build test WARNING on char-misc/char-misc-next char-misc/char-misc-linus linus/master v6.4-rc5 next-20230609] [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/Ekansh-Gupta/misc-fastrpc-Add-cached-buffer-support/20230609-184517 base: char-misc/char-misc-testing patch link: https://lore.kernel.org/r/1686307187-15199-3-git-send-email-quic_ekangupt%40quicinc.com patch subject: [PATCH v1 2/2] misc: fastrpc: Add persistent header buffer support config: arm64-randconfig-r024-20230608 (https://download.01.org/0day-ci/archive/20230610/202306100111.JeCyQ9wW-lkp@xxxxxxxxx/config) compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project.git f28c006a5895fc0e329fe15fead81e37457cb1d1) reproduce (this is a W=1 build): mkdir -p ~/bin wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install arm64 cross compiling tool for clang build # apt-get install binutils-aarch64-linux-gnu git remote add char-misc https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git git fetch char-misc char-misc-testing git checkout char-misc/char-misc-testing b4 shazam https://lore.kernel.org/r/1686307187-15199-3-git-send-email-quic_ekangupt@xxxxxxxxxxx # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=arm64 olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang ~/bin/make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/misc/ If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202306100111.JeCyQ9wW-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/misc/fastrpc.c:1400:8: warning: format specifies type 'unsigned long long' but the argument has type 'u32' (aka 'unsigned int') [-Wformat] fd, va, size); ^~ include/linux/dev_printk.h:144:65: note: expanded from macro 'dev_err' dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap' _p_func(dev, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ >> drivers/misc/fastrpc.c:1400:12: warning: format specifies type 'long long' but the argument has type 'size_t' (aka 'unsigned long') [-Wformat] fd, va, size); ^~~~ include/linux/dev_printk.h:144:65: note: expanded from macro 'dev_err' dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__) ~~~ ^~~~~~~~~~~ include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap' _p_func(dev, fmt, ##__VA_ARGS__); \ ~~~ ^~~~~~~~~~~ 2 warnings generated. vim +1400 drivers/misc/fastrpc.c 1360 1361 static int fastrpc_mem_map_to_dsp(struct fastrpc_user *fl, int fd, int offset, 1362 u32 flags, u32 va, u64 phys, 1363 size_t size, uintptr_t *raddr) 1364 { 1365 struct fastrpc_invoke_args args[4] = { [0 ... 3] = { 0 } }; 1366 struct fastrpc_mem_map_req_msg req_msg = { 0 }; 1367 struct fastrpc_mmap_rsp_msg rsp_msg = { 0 }; 1368 struct fastrpc_phy_page pages = { 0 }; 1369 struct device *dev = fl->sctx->dev; 1370 int err = 0; 1371 u32 sc; 1372 1373 req_msg.pgid = fl->tgid; 1374 req_msg.fd = fd; 1375 req_msg.offset = offset; 1376 req_msg.vaddrin = va; 1377 req_msg.flags = flags; 1378 req_msg.num = sizeof(pages); 1379 req_msg.data_len = 0; 1380 1381 args[0].ptr = (u64) (uintptr_t) &req_msg; 1382 args[0].length = sizeof(req_msg); 1383 1384 pages.addr = phys; 1385 pages.size = size; 1386 1387 args[1].ptr = (u64) (uintptr_t) &pages; 1388 args[1].length = sizeof(pages); 1389 1390 args[2].ptr = (u64) (uintptr_t) &pages; 1391 args[2].length = 0; 1392 1393 args[3].ptr = (u64) (uintptr_t) &rsp_msg; 1394 args[3].length = sizeof(rsp_msg); 1395 1396 sc = FASTRPC_SCALARS(FASTRPC_RMID_INIT_MEM_MAP, 3, 1); 1397 err = fastrpc_internal_invoke(fl, true, FASTRPC_INIT_HANDLE, sc, &args[0]); 1398 if (err) { 1399 dev_err(dev, "mem mmap error, fd %d, vaddr %llx, size %lld\n", > 1400 fd, va, size); 1401 return err; 1402 } 1403 *raddr = rsp_msg.vaddr; 1404 1405 return 0; 1406 } 1407 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
