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Date: Sat, 10 Jun 2023 02:13:59 +0800
From: kernel test robot <lkp@...el.com>
To: Ekansh Gupta <quic_ekangupt@...cinc.com>,
srinivas.kandagatla@...aro.org, linux-arm-msm@...r.kernel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
Ekansh Gupta <quic_ekangupt@...cinc.com>,
ekangupt@....qualcomm.com, gregkh@...uxfoundation.org,
linux-kernel@...r.kernel.org, fastrpc.upstream@....qualcomm.com,
quic_anane@...cinc.com
Subject: Re: [PATCH v1 2/2] misc: fastrpc: Add persistent header buffer
support
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@intel.com/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@quicinc.com
# 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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306100111.JeCyQ9wW-lkp@intel.com/
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
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