Re: [PATCH V5 XRT Alveo 20/20] fpga: xrt: Kconfig and Makefile updates for XRT drivers

kernel test robot
2021-04-27T23:53:34Z

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Hi Lizhi,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linux/master]
[also build test WARNING on linus/master v5.12 next-20210427]
[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/Lizhi-Hou/XRT-Alveo-driver-overview/20210428-050424
base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1fe5501ba1abf2b7e78295df73675423bd6899a0
config: mips-allyesconfig (attached as .config)
compiler: mips-linux-gcc (GCC) 9.3.0
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/0day-ci/linux/commit/079fb263b22e0d961ac204b3928bdff5d8ebf3d5
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Lizhi-Hou/XRT-Alveo-driver-overview/20210428-050424
git checkout 079fb263b22e0d961ac204b3928bdff5d8ebf3d5
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=mips

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

In file included from include/linux/printk.h:409,
from include/linux/kernel.h:16,
from include/linux/list.h:9,
from include/linux/preempt.h:11,
from include/linux/spinlock.h:51,
from include/linux/vmalloc.h:5,
from drivers/fpga/xrt/lib/subdev.c:9:
drivers/fpga/xrt/lib/subdev.c: In function 'metadata_output':
>> drivers/fpga/xrt/lib/subdev.c:120:16: warning: format '%ld' expects argument of type 'long int', but argument 4 has type 'size_t' {aka 'unsigned int'} [-Wformat=]
120 | dev_dbg(dev, "count (%ld) beyond left bytes: %lld\n", count, size - off);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/dynamic_debug.h:129:15: note: in definition of macro '__dynamic_func_call'
129 | func(&id, ##__VA_ARGS__); \
| ^~~~~~~~~~~
include/linux/dynamic_debug.h:161:2: note: in expansion of macro '_dynamic_func_call'
161 | _dynamic_func_call(fmt,__dynamic_dev_dbg, \
| ^~~~~~~~~~~~~~~~~~
include/linux/dev_printk.h:123:2: note: in expansion of macro 'dynamic_dev_dbg'
123 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~~~~~~~~~
include/linux/dev_printk.h:123:23: note: in expansion of macro 'dev_fmt'
123 | dynamic_dev_dbg(dev, dev_fmt(fmt), ##__VA_ARGS__)
| ^~~~~~~
drivers/fpga/xrt/lib/subdev.c:120:3: note: in expansion of macro 'dev_dbg'
120 | dev_dbg(dev, "count (%ld) beyond left bytes: %lld\n", count, size - off);
| ^~~~~~~
drivers/fpga/xrt/lib/subdev.c:120:26: note: format string is defined here
120 | dev_dbg(dev, "count (%ld) beyond left bytes: %lld\n", count, size - off);
| ~~^
| |
| long int
| %d

vim +120 drivers/fpga/xrt/lib/subdev.c

390cff2f7a6222 Lizhi Hou 2021-04-27 96
390cff2f7a6222 Lizhi Hou 2021-04-27 97 static ssize_t metadata_output(struct file *filp, struct kobject *kobj,
390cff2f7a6222 Lizhi Hou 2021-04-27 98 struct bin_attribute *attr, char *buf, loff_t off, size_t count)
390cff2f7a6222 Lizhi Hou 2021-04-27 99 {
390cff2f7a6222 Lizhi Hou 2021-04-27 100 struct device *dev = kobj_to_dev(kobj);
390cff2f7a6222 Lizhi Hou 2021-04-27 101 struct xrt_device *xdev = to_xrt_dev(dev);
390cff2f7a6222 Lizhi Hou 2021-04-27 102 struct xrt_subdev_platdata *pdata = DEV_PDATA(xdev);
390cff2f7a6222 Lizhi Hou 2021-04-27 103 unsigned char *blob;
390cff2f7a6222 Lizhi Hou 2021-04-27 104 unsigned long size;
390cff2f7a6222 Lizhi Hou 2021-04-27 105 ssize_t ret = 0;
390cff2f7a6222 Lizhi Hou 2021-04-27 106
390cff2f7a6222 Lizhi Hou 2021-04-27 107 blob = pdata->xsp_dtb;
390cff2f7a6222 Lizhi Hou 2021-04-27 108 size = xrt_md_size(dev, blob);
390cff2f7a6222 Lizhi Hou 2021-04-27 109 if (size == XRT_MD_INVALID_LENGTH) {
390cff2f7a6222 Lizhi Hou 2021-04-27 110 ret = -EINVAL;
390cff2f7a6222 Lizhi Hou 2021-04-27 111 goto failed;
390cff2f7a6222 Lizhi Hou 2021-04-27 112 }
390cff2f7a6222 Lizhi Hou 2021-04-27 113
390cff2f7a6222 Lizhi Hou 2021-04-27 114 if (off >= size) {
390cff2f7a6222 Lizhi Hou 2021-04-27 115 dev_dbg(dev, "offset (%lld) beyond total size: %ld\n", off, size);
390cff2f7a6222 Lizhi Hou 2021-04-27 116 goto failed;
390cff2f7a6222 Lizhi Hou 2021-04-27 117 }
390cff2f7a6222 Lizhi Hou 2021-04-27 118
390cff2f7a6222 Lizhi Hou 2021-04-27 119 if (off + count > size) {
390cff2f7a6222 Lizhi Hou 2021-04-27 @120 dev_dbg(dev, "count (%ld) beyond left bytes: %lld\n", count, size - off);
390cff2f7a6222 Lizhi Hou 2021-04-27 121 count = size - off;
390cff2f7a6222 Lizhi Hou 2021-04-27 122 }
390cff2f7a6222 Lizhi Hou 2021-04-27 123 memcpy(buf, blob + off, count);
390cff2f7a6222 Lizhi Hou 2021-04-27 124
390cff2f7a6222 Lizhi Hou 2021-04-27 125 ret = count;
390cff2f7a6222 Lizhi Hou 2021-04-27 126 failed:
390cff2f7a6222 Lizhi Hou 2021-04-27 127 return ret;
390cff2f7a6222 Lizhi Hou 2021-04-27 128 }
390cff2f7a6222 Lizhi Hou 2021-04-27 129

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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