Re: [PATCH] mtd: ftl: Initialize rq.limits.discard_granularity

From: kernel test robot <lkp@intel.com>
To: Zhihao Cheng <chengzhihao1@huawei.com>,
	miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com,
	boris.brezillon@bootlin.com
Cc: kbuild-all@lists.01.org, clang-built-linux@googlegroups.com,
	linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
	chengzhihao1@huawei.com, yukuai3@huawei.com
Subject: Re: [PATCH] mtd: ftl: Initialize rq.limits.discard_granularity
Date: Thu, 17 Jun 2021 03:39:28 +0800	[thread overview]
Message-ID: <202106170355.d12O64sL-lkp@intel.com> (raw)
In-Reply-To: <20210613112942.2329192-1-chengzhihao1@huawei.com>

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Hi Zhihao,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on mtd/mtd/next]
[also build test WARNING on mtd/mtd/fixes linux/master linus/master v5.13-rc6 next-20210616]
[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/Zhihao-Cheng/mtd-ftl-Initialize-rq-limits-discard_granularity/20210616-134538
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next
config: riscv-randconfig-r024-20210615 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 64720f57bea6a6bf033feef4a5751ab9c0c3b401)
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
        # install riscv cross compiling tool for clang build
        # apt-get install binutils-riscv64-linux-gnu
        # https://github.com/0day-ci/linux/commit/64ffb6f0cfd38ca3d47e7bef4674c52a14fe024d
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Zhihao-Cheng/mtd-ftl-Initialize-rq-limits-discard_granularity/20210616-134538
        git checkout 64ffb6f0cfd38ca3d47e7bef4674c52a14fe024d
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=riscv 

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 >>):

>> drivers/mtd/ftl.c:107:9: warning: 'SECTOR_SIZE' macro redefined [-Wmacro-redefined]
   #define SECTOR_SIZE     512
           ^
   include/linux/blkdev.h:967:9: note: previous definition is here
   #define SECTOR_SIZE (1 << SECTOR_SHIFT)
           ^
   1 warning generated.

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for LOCKDEP
   Depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT && (FRAME_POINTER || MIPS || PPC || S390 || MICROBLAZE || ARM || ARC || X86)
   Selected by
   - PROVE_LOCKING && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT
   - DEBUG_LOCK_ALLOC && DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT

vim +/SECTOR_SIZE +107 drivers/mtd/ftl.c

^1da177e4c3f41 Linus Torvalds 2005-04-16  105  
^1da177e4c3f41 Linus Torvalds 2005-04-16  106  /* Sector size -- shouldn't need to change */
^1da177e4c3f41 Linus Torvalds 2005-04-16 @107  #define SECTOR_SIZE	512
^1da177e4c3f41 Linus Torvalds 2005-04-16  108  
^1da177e4c3f41 Linus Torvalds 2005-04-16  109  

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

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