Re: [PATCH 1/2] block: make the fair sharing of tag configurable

From: kernel test robot <lkp@intel.com>
To: Ed Tsai <ed.tsai@mediatek.com>, axboe@kernel.dk
Cc: oe-kbuild-all@lists.linux.dev, linux-block@vger.kernel.org,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
	martin.petersen@oracle.com, bvanassche@acm.org,
	stanley.chu@mediatek.com, peter.wang@mediatek.com,
	chun-hung.wu@mediatek.com, alice.chao@mediatek.com,
	powen.kao@mediatek.com, naomi.chu@mediatek.com,
	wsd_upstream@mediatek.com, Ed Tsai <ed.tsai@mediatek.com>
Subject: Re: [PATCH 1/2] block: make the fair sharing of tag configurable
Date: Wed, 10 May 2023 05:33:31 +0800	[thread overview]
Message-ID: <202305100557.gdIvlzRS-lkp@intel.com> (raw)
In-Reply-To: <20230509065230.32552-2-ed.tsai@mediatek.com>

Hi Ed,

kernel test robot noticed the following build warnings:

[auto build test WARNING on axboe-block/for-next]
[also build test WARNING on jejb-scsi/for-next mkp-scsi/for-next linus/master v6.4-rc1 next-20230509]
[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/Ed-Tsai/block-make-the-fair-sharing-of-tag-configurable/20230509-145439
base:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-next
patch link:    https://lore.kernel.org/r/20230509065230.32552-2-ed.tsai%40mediatek.com
patch subject: [PATCH 1/2] block: make the fair sharing of tag configurable
config: openrisc-randconfig-r022-20230509 (https://download.01.org/0day-ci/archive/20230510/202305100557.gdIvlzRS-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 12.1.0
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/intel-lab-lkp/linux/commit/b1081024bc6d1cdaf5b39994b19040cd8e6099ec
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Ed-Tsai/block-make-the-fair-sharing-of-tag-configurable/20230509-145439
        git checkout b1081024bc6d1cdaf5b39994b19040cd8e6099ec
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=openrisc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=openrisc SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202305100557.gdIvlzRS-lkp@intel.com/

All warnings (new ones prefixed by >>):

   In file included from block/blk-mq.c:12:
   block/blk-mq.c: In function 'blk_mq_init_allocated_queue':
>> include/linux/blkdev.h:569:39: warning: left shift count >= width of type [-Wshift-count-overflow]
     569 |                                  (1UL << QUEUE_FLAG_FAIR_TAG_SHARING))
         |                                       ^~
   block/blk-mq.c:4232:27: note: in expansion of macro 'QUEUE_FLAG_MQ_DEFAULT'
    4232 |         q->queue_flags |= QUEUE_FLAG_MQ_DEFAULT;
         |                           ^~~~~~~~~~~~~~~~~~~~~

vim +569 include/linux/blkdev.h

   565	
   566	#define QUEUE_FLAG_MQ_DEFAULT	((1UL << QUEUE_FLAG_IO_STAT) |		\
   567					 (1UL << QUEUE_FLAG_SAME_COMP) |	\
   568					 (1UL << QUEUE_FLAG_NOWAIT) |		\
 > 569					 (1UL << QUEUE_FLAG_FAIR_TAG_SHARING))
   570	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests