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Date: Thu, 13 Oct 2022 21:48:16 +0800
From: kernel test robot <lkp@...el.com>
To: Saurabh Sengar <ssengar@...ux.microsoft.com>,
ssengar@...rosoft.com, kys@...rosoft.com, haiyangz@...rosoft.com,
sthemmin@...rosoft.com, wei.liu@...nel.org, decui@...rosoft.com,
longli@...rosoft.com, gregkh@...uxfoundation.org,
linux-hyperv@...r.kernel.org, linux-kernel@...r.kernel.org,
mikelley@...rosoft.com
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org
Subject: Re: [PATCH] uio_hv_generic: Enable support for slower vmbus device
channels
Hi Saurabh,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on linus/master v6.0 next-20221012]
[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/Saurabh-Sengar/uio_hv_generic-Enable-support-for-slower-vmbus-device-channels/20221012-195731
config: i386-randconfig-a015
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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/intel-lab-lkp/linux/commit/e7d62290b320f0f50c4f09b8f869b9049ef2c2bd
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Saurabh-Sengar/uio_hv_generic-Enable-support-for-slower-vmbus-device-channels/20221012-195731
git checkout e7d62290b320f0f50c4f09b8f869b9049ef2c2bd
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
>> drivers/uio/uio_hv_generic.c:44:1: error: incompatible pointer types returning 'size_t *' (aka 'unsigned int *') from a function with result type 'unsigned long *' [-Werror,-Wincompatible-pointer-types]
module_param(recv_buf_size, ulong, 0644);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/moduleparam.h:127:2: note: expanded from macro 'module_param'
module_param_named(name, name, type, perm)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/moduleparam.h:150:2: note: expanded from macro 'module_param_named'
param_check_##type(name, &(value)); \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<scratch space>:40:1: note: expanded from here
param_check_ulong
^
include/linux/moduleparam.h:446:36: note: expanded from macro 'param_check_ulong'
#define param_check_ulong(name, p) __param_check(name, p, unsigned long)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/moduleparam.h:409:67: note: expanded from macro '__param_check'
static inline type __always_unused *__check_##name(void) { return(p); }
^~~
drivers/uio/uio_hv_generic.c:48:1: error: incompatible pointer types returning 'size_t *' (aka 'unsigned int *') from a function with result type 'unsigned long *' [-Werror,-Wincompatible-pointer-types]
module_param(send_buf_size, ulong, 0644);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/moduleparam.h:127:2: note: expanded from macro 'module_param'
module_param_named(name, name, type, perm)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/moduleparam.h:150:2: note: expanded from macro 'module_param_named'
param_check_##type(name, &(value)); \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<scratch space>:59:1: note: expanded from here
param_check_ulong
^
include/linux/moduleparam.h:446:36: note: expanded from macro 'param_check_ulong'
#define param_check_ulong(name, p) __param_check(name, p, unsigned long)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/moduleparam.h:409:67: note: expanded from macro '__param_check'
static inline type __always_unused *__check_##name(void) { return(p); }
^~~
drivers/uio/uio_hv_generic.c:52:1: error: incompatible pointer types returning 'size_t *' (aka 'unsigned int *') from a function with result type 'unsigned long *' [-Werror,-Wincompatible-pointer-types]
module_param(ring_size, ulong, 0644);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/moduleparam.h:127:2: note: expanded from macro 'module_param'
module_param_named(name, name, type, perm)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/moduleparam.h:150:2: note: expanded from macro 'module_param_named'
param_check_##type(name, &(value)); \
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
<scratch space>:80:1: note: expanded from here
param_check_ulong
^
include/linux/moduleparam.h:446:36: note: expanded from macro 'param_check_ulong'
#define param_check_ulong(name, p) __param_check(name, p, unsigned long)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
include/linux/moduleparam.h:409:67: note: expanded from macro '__param_check'
static inline type __always_unused *__check_##name(void) { return(p); }
^~~
drivers/uio/uio_hv_generic.c:256:59: warning: format specifies type 'unsigned long' but the argument has type 'size_t' (aka 'unsigned int') [-Wformat]
dev_dbg(&dev->device, "primary channel ring size = %lx", ring_size);
~~~ ^~~~~~~~~
%zx
include/linux/dev_printk.h:163:47: note: expanded from macro 'dev_dbg'
dev_printk(KERN_DEBUG, dev, dev_fmt(fmt), ##__VA_ARGS__); \
~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:129:34: note: expanded from macro 'dev_printk'
_dev_printk(level, dev, fmt, ##__VA_ARGS__); \
~~~ ^~~~~~~~~~~
1 warning and 3 errors generated.
vim +44 drivers/uio/uio_hv_generic.c
42
43 static size_t recv_buf_size = RECV_BUFFER_SIZE;
> 44 module_param(recv_buf_size, ulong, 0644);
45 MODULE_PARM_DESC(recv_buf_size, "receive buffer size in bytes");
46
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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