linux-kernel - Re: [PATCH] s390/oprofile: Remove deprecated create

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Date:	Wed, 8 Jun 2016 07:29:00 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Bhaktipriya Shridhar <bhaktipriya96@...il.com>
Cc:	kbuild-all@...org, Robert Richter <rric@...nel.org>,
	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Heiko Carstens <heiko.carstens@...ibm.com>,
	Tejun Heo <tj@...nel.org>, oprofile-list@...ts.sf.net,
	linux-s390@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] s390/oprofile: Remove deprecated create_workqueue

Hi,

[auto build test ERROR on s390/features]
[also build test ERROR on v4.7-rc2 next-20160607]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Bhaktipriya-Shridhar/s390-oprofile-Remove-deprecated-create_workqueue/20160608-060615
base:   https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git features
config: s390-default_defconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 5.3.1-8) 5.3.1 20160205
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=s390 

All errors (new ones prefixed by >>):

   arch/s390/oprofile/hwsampler.c: In function 'hwsampler_stop_all':
>> arch/s390/oprofile/hwsampler.c:1151:6: error: 'hws_wq' undeclared (first use in this function)
     if (hws_wq)
         ^
   arch/s390/oprofile/hwsampler.c:1151:6: note: each undeclared identifier is reported only once for each function it appears in

vim +/hws_wq +1151 arch/s390/oprofile/hwsampler.c

ec6a3df1 Heinz Graalfs 2011-01-21  1145  		cb->stop_mode = 1;
ec6a3df1 Heinz Graalfs 2011-01-21  1146  		tmp_rc = stop_sampling(cpu);
ec6a3df1 Heinz Graalfs 2011-01-21  1147  		if (tmp_rc)
ec6a3df1 Heinz Graalfs 2011-01-21  1148  			rc = tmp_rc;
ec6a3df1 Heinz Graalfs 2011-01-21  1149  	}
ec6a3df1 Heinz Graalfs 2011-01-21  1150  
ec6a3df1 Heinz Graalfs 2011-01-21 @1151  	if (hws_wq)
ec6a3df1 Heinz Graalfs 2011-01-21  1152  		flush_workqueue(hws_wq);
ec6a3df1 Heinz Graalfs 2011-01-21  1153  
ec6a3df1 Heinz Graalfs 2011-01-21  1154  	mutex_lock(&hws_sem);

:::::: The code at line 1151 was first introduced by commit
:::::: ec6a3df1c008d9e8664e53b0363f6847c5c0dc3f oprofile, s390: Add support for hardware based sampling on System z processors

:::::: TO: Heinz Graalfs <graalfs@...ux.vnet.ibm.com>
:::::: CC: Robert Richter <robert.richter@....com>

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