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Date: Tue, 16 May 2023 19:48:03 +0800
From: kernel test robot <lkp@...el.com>
To: Chao Yu <yuchao0@...wei.com>, Chao Yu <chao@...nel.org>,
jaegeuk@...nel.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-f2fs-devel@...ts.sourceforge.net,
linux-kernel@...r.kernel.org, Chao Yu <yuchao0@...wei.com>,
Chao Yu <chao@...nel.org>
Subject: Re: [PATCH] f2fs: flush error flags in workqueue
Hi Chao,
kernel test robot noticed the following build warnings:
[auto build test WARNING on jaegeuk-f2fs/dev-test]
[cannot apply to jaegeuk-f2fs/dev linus/master v6.4-rc2 next-20230516]
[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/Chao-Yu/f2fs-flush-error-flags-in-workqueue/20230516-152832
base: https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git dev-test
patch link: https://lore.kernel.org/r/20230516072755.3138097-1-chao%40kernel.org
patch subject: [PATCH] f2fs: flush error flags in workqueue
config: hexagon-randconfig-r041-20230515
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project b0fb98227c90adf2536c9ad644a74d5e92961111)
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/874c7ca40fa37e2697f9d2ac271147c5cafdddaa
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Chao-Yu/f2fs-flush-error-flags-in-workqueue/20230516-152832
git checkout 874c7ca40fa37e2697f9d2ac271147c5cafdddaa
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash fs/f2fs/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305161822.PYax3mhx-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from fs/f2fs/super.c:14:
In file included from include/linux/buffer_head.h:12:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __raw_readb(PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:37:51: note: expanded from macro '__le16_to_cpu'
#define __le16_to_cpu(x) ((__force __u16)(__le16)(x))
^
In file included from fs/f2fs/super.c:14:
In file included from include/linux/buffer_head.h:12:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
~~~~~~~~~~ ^
include/uapi/linux/byteorder/little_endian.h:35:51: note: expanded from macro '__le32_to_cpu'
#define __le32_to_cpu(x) ((__force __u32)(__le32)(x))
^
In file included from fs/f2fs/super.c:14:
In file included from include/linux/buffer_head.h:12:
In file included from include/linux/blk_types.h:10:
In file included from include/linux/bvec.h:10:
In file included from include/linux/highmem.h:12:
In file included from include/linux/hardirq.h:11:
In file included from ./arch/hexagon/include/generated/asm/hardirq.h:1:
In file included from include/asm-generic/hardirq.h:17:
In file included from include/linux/irq.h:20:
In file included from include/linux/io.h:13:
In file included from arch/hexagon/include/asm/io.h:334:
include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writeb(value, PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
__raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
~~~~~~~~~~ ^
>> fs/f2fs/super.c:4027:6: warning: no previous prototype for function 'f2fs_record_errors' [-Wmissing-prototypes]
void f2fs_record_errors(struct f2fs_sb_info *sbi, unsigned char error)
^
fs/f2fs/super.c:4027:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
void f2fs_record_errors(struct f2fs_sb_info *sbi, unsigned char error)
^
static
7 warnings generated.
vim +/f2fs_record_errors +4027 fs/f2fs/super.c
4026
> 4027 void f2fs_record_errors(struct f2fs_sb_info *sbi, unsigned char error)
4028 {
4029 int err;
4030
4031 f2fs_down_write(&sbi->sb_lock);
4032
4033 if (!f2fs_update_errors(sbi))
4034 goto out_unlock;
4035
4036 err = f2fs_commit_super(sbi, false);
4037 if (err)
4038 f2fs_err(sbi, "f2fs_commit_super fails to record errors:%u, err:%d",
4039 error, err);
4040 out_unlock:
4041 f2fs_up_write(&sbi->sb_lock);
4042 }
4043
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
View attachment "config" of type "text/plain" (143469 bytes)
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