netdev - Re: [PATCH v3 1/1] RDMA/mana_ib: Add EQ interrupt support to mana ib driver.

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Message-ID: <202306301145.qNZGZ0MP-lkp@intel.com>
Date: Fri, 30 Jun 2023 11:19:32 +0800
From: kernel test robot <lkp@...el.com>
To: Wei Hu <weh@...rosoft.com>, netdev@...r.kernel.org,
	linux-hyperv@...r.kernel.org, linux-rdma@...r.kernel.org,
	longli@...rosoft.com, sharmaajay@...rosoft.com, jgg@...pe.ca,
	leon@...nel.org, kys@...rosoft.com, haiyangz@...rosoft.com,
	wei.liu@...nel.org, decui@...rosoft.com, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	vkuznets@...hat.com, ssengar@...ux.microsoft.com,
	shradhagupta@...ux.microsoft.com
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev
Subject: Re: [PATCH v3 1/1] RDMA/mana_ib: Add EQ interrupt support to mana ib
 driver.

Hi Wei,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on horms-ipvs/master v6.4 next-20230629]
[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/Wei-Hu/RDMA-mana_ib-Add-EQ-interrupt-support-to-mana-ib-driver/20230615-191709
base:   linus/master
patch link:    https://lore.kernel.org/r/20230615111412.1687573-1-weh%40microsoft.com
patch subject: [PATCH v3 1/1] RDMA/mana_ib: Add EQ interrupt support to mana ib driver.
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20230630/202306301145.qNZGZ0MP-lkp@intel.com/config)
compiler: clang version 15.0.7 (https://github.com/llvm/llvm-project.git 8dfdcc7b7bf66834a761bd8de445840ef68e4d1a)
reproduce: (https://download.01.org/0day-ci/archive/20230630/202306301145.qNZGZ0MP-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306301145.qNZGZ0MP-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/infiniband/hw/mana/main.c:150:20: warning: unused variable 'ibdev' [-Wunused-variable]
           struct ib_device *ibdev = ucontext->ibucontext.device;
                             ^
   1 warning generated.

vim +/ibdev +150 drivers/infiniband/hw/mana/main.c

   145	
   146	static void mana_ib_destroy_eq(struct mana_ib_ucontext *ucontext,
   147				       struct mana_ib_dev *mdev)
   148	{
   149		struct gdma_context *gc = mdev->gdma_dev->gdma_context;
 > 150		struct ib_device *ibdev = ucontext->ibucontext.device;
   151		struct gdma_queue *eq;
   152		int i;
   153	
   154		if (!ucontext->eqs)
   155			return;
   156	
   157		for (i = 0; i < gc->max_num_queues; i++) {
   158			eq = ucontext->eqs[i].eq;
   159			if (!eq)
   160				continue;
   161	
   162			mana_gd_destroy_queue(gc, eq);
   163		}
   164	
   165		kfree(ucontext->eqs);
   166		ucontext->eqs = NULL;
   167	}
   168	

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