linux-kernel - Re: [PATCH] habanalabs: print CS type when it is stuck

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Date:   Thu, 19 Nov 2020 03:22:23 +0800
From:   kernel test robot <lkp@...el.com>
To:     Oded Gabbay <ogabbay@...nel.org>, linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
        SW_Drivers@...ana.ai
Subject: Re: [PATCH] habanalabs: print CS type when it is stuck

Hi Oded,

I love your patch! Yet something to improve:

[auto build test ERROR on char-misc/char-misc-testing]
[also build test ERROR on linux/master linus/master v5.10-rc4 next-20201118]
[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/Oded-Gabbay/habanalabs-print-CS-type-when-it-is-stuck/20201118-215554
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git 93c69b2d17372463ae33b79b3002c22a208945b3
config: x86_64-randconfig-a013-20201118 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project b2613fb2f0f53691dd0211895afbb9413457fca7)
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 x86_64 cross compiling tool for clang build
        # apt-get install binutils-x86-64-linux-gnu
        # https://github.com/0day-ci/linux/commit/71112c9df0288d0689aa5c7fbdd396f2b099daa4
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Oded-Gabbay/habanalabs-print-CS-type-when-it-is-stuck/20201118-215554
        git checkout 71112c9df0288d0689aa5c7fbdd396f2b099daa4
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

>> drivers/misc/habanalabs/common/command_submission.c:400:7: error: use of undeclared identifier 'CS_TYPE_COLLECTIVE_WAIT'
           case CS_TYPE_COLLECTIVE_WAIT:
                ^
   1 error generated.

vim +/CS_TYPE_COLLECTIVE_WAIT +400 drivers/misc/habanalabs/common/command_submission.c

   366	
   367	static void cs_timedout(struct work_struct *work)
   368	{
   369		struct hl_device *hdev;
   370		int rc;
   371		struct hl_cs *cs = container_of(work, struct hl_cs,
   372							 work_tdr.work);
   373		rc = cs_get_unless_zero(cs);
   374		if (!rc)
   375			return;
   376	
   377		if ((!cs->submitted) || (cs->completed)) {
   378			cs_put(cs);
   379			return;
   380		}
   381	
   382		/* Mark the CS is timed out so we won't try to cancel its TDR */
   383		cs->timedout = true;
   384	
   385		hdev = cs->ctx->hdev;
   386	
   387		switch (cs->type) {
   388		case CS_TYPE_SIGNAL:
   389			dev_err(hdev->dev,
   390				"Signal command submission %llu has not finished in time!\n",
   391				cs->sequence);
   392			break;
   393	
   394		case CS_TYPE_WAIT:
   395			dev_err(hdev->dev,
   396				"Wait command submission %llu has not finished in time!\n",
   397				cs->sequence);
   398			break;
   399	
 > 400		case CS_TYPE_COLLECTIVE_WAIT:
   401			dev_err(hdev->dev,
   402				"Collective Wait command submission %llu has not finished in time!\n",
   403				cs->sequence);
   404			break;
   405	
   406		default:
   407			dev_err(hdev->dev,
   408				"Command submission %llu has not finished in time!\n",
   409				cs->sequence);
   410			break;
   411		}
   412	
   413		cs_put(cs);
   414	
   415		if (hdev->reset_on_lockup)
   416			hl_device_reset(hdev, false, false);
   417	}
   418	

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

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