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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Sat, 9 Jun 2018 02:15:54 -0400 Received: from b01ledav003.gho.pok.ibm.com (b01ledav003.gho.pok.ibm.com [9.57.199.108]) by b01cxnp23033.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w596FrWo9044380 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Sat, 9 Jun 2018 06:15:53 GMT Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id ADAE3B2064; Sat, 9 Jun 2018 03:17:21 -0400 (EDT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 7D890B205F; Sat, 9 Jun 2018 03:17:21 -0400 (EDT) Received: from paulmck-ThinkPad-W541 (unknown [9.80.216.44]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Sat, 9 Jun 2018 03:17:21 -0400 (EDT) Received: by paulmck-ThinkPad-W541 (Postfix, from userid 1000) id 0A6CC16C998C; Fri, 8 Jun 2018 23:17:44 -0700 (PDT) Date: Fri, 8 Jun 2018 23:17:44 -0700 From: "Paul E. McKenney" To: kbuild test robot Cc: kbuild-all@01.org, linux-kernel@vger.kernel.org Subject: Re: [rcu:rcu/dev 114/116] drivers/iommu/amd_iommu.c:3566:21: sparse: symbol 'stupid_workaround' was not declared. Should it be static? Reply-To: paulmck@linux.vnet.ibm.com References: <201806090402.ONNRpjQE%fengguang.wu@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201806090402.ONNRpjQE%fengguang.wu@intel.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-TM-AS-GCONF: 00 x-cbid: 18060906-2213-0000-0000-000002B61269 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009156; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000265; SDB=6.01044319; UDB=6.00534726; IPR=6.00823355; MB=3.00021546; MTD=3.00000008; XFM=3.00000015; UTC=2018-06-09 06:15:55 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18060906-2214-0000-0000-00005A6AAF56 Message-Id: <20180609061743.GE3593@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-06-09_03:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=730 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1805220000 definitions=main-1806090048 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jun 09, 2018 at 04:11:26AM +0800, kbuild test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/dev > head: f20dfe840ba05efdc4071106cffa31cb67cf6bc8 > commit: 814ee31d1f906ad00daccb58944ab16fa279690c [114/116] fixup! EXP iommu: Placeholder for fix in mainline > reproduce: > # apt-get install sparse > git checkout 814ee31d1f906ad00daccb58944ab16fa279690c > make ARCH=x86_64 allmodconfig > make C=1 CF=-D__CHECK_ENDIAN__ > > > sparse warnings: (new ones prefixed by >>) > > drivers/iommu/amd_iommu.c:3539:30: sparse: expression using sizeof(void) > drivers/iommu/amd_iommu.c:3542:36: sparse: expression using sizeof(void) > drivers/iommu/amd_iommu.c:3542:36: sparse: expression using sizeof(void) > >> drivers/iommu/amd_iommu.c:3566:21: sparse: symbol 'stupid_workaround' was not declared. Should it be static? > > Please review and possibly fold the followup patch. This whole thing disappears when I rebase to v4.18-rc1. ;-) Thanx, Paul