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Date:   Thu, 20 Apr 2023 03:37:03 +0800
From:   kernel test robot <lkp@intel.com>
To:     Daisuke Matsuda <matsuda-daisuke@fujitsu.com>,
        linux-rdma@vger.kernel.org, leonro@nvidia.com, jgg@nvidia.com,
        zyjzyj2000@gmail.com
Cc:     llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
        linux-kernel@vger.kernel.org, rpearsonhpe@gmail.com,
        yangx.jy@fujitsu.com, lizhijian@fujitsu.com,
        Daisuke Matsuda <matsuda-daisuke@fujitsu.com>
Subject: Re: [PATCH for-next v4 2/8] RDMA/rxe: Always schedule works before
 accessing user MRs
Message-ID: <202304200354.oGlN33Lg-lkp@intel.com>
References: <7441c59fcea601c03c70ec03b5d17a69032e51f8.1681882651.git.matsuda-daisuke@fujitsu.com>
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In-Reply-To: <7441c59fcea601c03c70ec03b5d17a69032e51f8.1681882651.git.matsuda-daisuke@fujitsu.com>
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Hi Daisuke,

kernel test robot noticed the following build warnings:

[auto build test WARNING on f605f26ea196a3b49bea249330cbd18dba61a33e]

url:    https://github.com/intel-lab-lkp/linux/commits/Daisuke-Matsuda/RDMA-rxe-Tentative-workqueue-implementation/20230419-135731
base:   f605f26ea196a3b49bea249330cbd18dba61a33e
patch link:    https://lore.kernel.org/r/7441c59fcea601c03c70ec03b5d17a69032e51f8.1681882651.git.matsuda-daisuke%40fujitsu.com
patch subject: [PATCH for-next v4 2/8] RDMA/rxe: Always schedule works before accessing user MRs
config: x86_64-randconfig-a011-20230417 (https://download.01.org/0day-ci/archive/20230420/202304200354.oGlN33Lg-lkp@intel.com/config)
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/493fb0777100e2e1b6358176e84b4b29372105ae
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Daisuke-Matsuda/RDMA-rxe-Tentative-workqueue-implementation/20230419-135731
        git checkout 493fb0777100e2e1b6358176e84b4b29372105ae
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/infiniband/sw/rxe/

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/202304200354.oGlN33Lg-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/infiniband/sw/rxe/rxe_comp.c:139:36: warning: converting the enum constant to a boolean [-Wint-in-bool-context]
           if (pkt->mask | (RXE_PAYLOAD_MASK || RXE_ATMACK_MASK))
                                             ^
   1 warning generated.


vim +139 drivers/infiniband/sw/rxe/rxe_comp.c

   128	
   129	void rxe_comp_queue_pkt(struct rxe_pkt_info *pkt, struct sk_buff *skb)
   130	{
   131		struct rxe_qp *qp = pkt->qp;
   132		int must_sched;
   133	
   134		skb_queue_tail(&qp->resp_pkts, skb);
   135	
   136		/* Schedule the task if processing Read responses or Atomic acks.
   137		 * In these cases, completer may sleep to access ODP-enabled MRs.
   138		 */
 > 139		if (pkt->mask | (RXE_PAYLOAD_MASK || RXE_ATMACK_MASK))
   140			must_sched = 1;
   141		else
   142			must_sched = skb_queue_len(&qp->resp_pkts) > 1;
   143	
   144		if (must_sched != 0)
   145			rxe_counter_inc(SKB_TO_PKT(skb)->rxe, RXE_CNT_COMPLETER_SCHED);
   146	
   147		if (must_sched)
   148			rxe_sched_task(&qp->comp.task);
   149		else
   150			rxe_run_task(&qp->comp.task);
   151	}
   152	

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