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engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-01-24_15,2023-01-24_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 mlxlogscore=999 malwarescore=0 mlxscore=0 bulkscore=0 adultscore=0 phishscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301240190 X-Proofpoint-GUID: uRADl8ls5hJ8KkuXv6-Fc49HQAOd-coH X-Proofpoint-ORIG-GUID: uRADl8ls5hJ8KkuXv6-Fc49HQAOd-coH Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 01/24/23 12:28, Andrew Morton wrote: > On Wed, 25 Jan 2023 00:37:05 +0800 kernel test robot wrote: > > > tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > > branch HEAD: a54df7622717a40ddec95fd98086aff8ba7839a6 Add linux-next specific files for 20230124 > > > > Error/Warning: (recently discovered and may have been fixed) > > > > ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/fsl-edma.ko] undefined! > > ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/idma64.ko] undefined! > > drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dp_training.c:1585:38: warning: variable 'result' set but not used [-Wunused-but-set-variable] > > > > Unverified Error/Warning (likely false positive, please contact us if interested): > > > > ... > > > > mm/hugetlb.c:3100 alloc_hugetlb_folio() error: uninitialized symbol 'h_cg'. > > hugetlb_cgroup_commit_charge(idx, pages_per_huge_page(h), h_cg, folio); > > The warning looks to be bogus. I guess we could put a "= NULL" in > there to keep the compiler quiet? I took a brief look at that yesterday. h_cg will be initialized, but not in this routine. Address of h_cg is passed to hugetlb_cgroup_charge_cgroup which will ensure h_cg is initialized. TBH, I am not sure how the compiler would know this as hugetlb_cgroup_charge_cgroup is in another file. IMO, this was not introduced by Sid's changes. However, I can not explain why it is showing up now. Neither can I reproduce with my compiler, otherwise I would have sent a patch yesterday. I will send a patch to initialize to NULL to keep compiler quiet. -- Mike Kravetz From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AC0CAC54EED for ; Tue, 24 Jan 2023 20:44:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; 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linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 01/24/23 12:28, Andrew Morton wrote: > On Wed, 25 Jan 2023 00:37:05 +0800 kernel test robot wrote: > > > tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > > branch HEAD: a54df7622717a40ddec95fd98086aff8ba7839a6 Add linux-next specific files for 20230124 > > > > Error/Warning: (recently discovered and may have been fixed) > > > > ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/fsl-edma.ko] undefined! > > ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/idma64.ko] undefined! > > drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dp_training.c:1585:38: warning: variable 'result' set but not used [-Wunused-but-set-variable] > > > > Unverified Error/Warning (likely false positive, please contact us if interested): > > > > ... > > > > mm/hugetlb.c:3100 alloc_hugetlb_folio() error: uninitialized symbol 'h_cg'. > > hugetlb_cgroup_commit_charge(idx, pages_per_huge_page(h), h_cg, folio); > > The warning looks to be bogus. I guess we could put a "= NULL" in > there to keep the compiler quiet? I took a brief look at that yesterday. h_cg will be initialized, but not in this routine. Address of h_cg is passed to hugetlb_cgroup_charge_cgroup which will ensure h_cg is initialized. TBH, I am not sure how the compiler would know this as hugetlb_cgroup_charge_cgroup is in another file. IMO, this was not introduced by Sid's changes. However, I can not explain why it is showing up now. Neither can I reproduce with my compiler, otherwise I would have sent a patch yesterday. I will send a patch to initialize to NULL to keep compiler quiet. -- Mike Kravetz _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 51943C61D97 for ; Tue, 24 Jan 2023 21:21:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CE5C210E6FD; Tue, 24 Jan 2023 21:21:40 +0000 (UTC) Received: from mx0b-00069f02.pphosted.com (mx0b-00069f02.pphosted.com [205.220.177.32]) by gabe.freedesktop.org (Postfix) with ESMTPS id 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rule=notspam policy=default score=0 spamscore=0 mlxlogscore=999 malwarescore=0 mlxscore=0 bulkscore=0 adultscore=0 phishscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301240190 X-Proofpoint-GUID: uRADl8ls5hJ8KkuXv6-Fc49HQAOd-coH X-Proofpoint-ORIG-GUID: uRADl8ls5hJ8KkuXv6-Fc49HQAOd-coH X-Mailman-Approved-At: Tue, 24 Jan 2023 21:21:34 +0000 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kernel test robot , netdev@vger.kernel.org, amd-gfx@lists.freedesktop.org, virtualization@lists.linux-foundation.org, linux-mm@kvack.org, Matthew Wilcox , Sidhartha Kumar , linux-arm-kernel@lists.infradead.org Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" On 01/24/23 12:28, Andrew Morton wrote: > On Wed, 25 Jan 2023 00:37:05 +0800 kernel test robot wrote: > > > tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > > branch HEAD: a54df7622717a40ddec95fd98086aff8ba7839a6 Add linux-next specific files for 20230124 > > > > Error/Warning: (recently discovered and may have been fixed) > > > > ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/fsl-edma.ko] undefined! > > ERROR: modpost: "devm_platform_ioremap_resource" [drivers/dma/idma64.ko] undefined! > > drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_dp_training.c:1585:38: warning: variable 'result' set but not used [-Wunused-but-set-variable] > > > > Unverified Error/Warning (likely false positive, please contact us if interested): > > > > ... > > > > mm/hugetlb.c:3100 alloc_hugetlb_folio() error: uninitialized symbol 'h_cg'. > > hugetlb_cgroup_commit_charge(idx, pages_per_huge_page(h), h_cg, folio); > > The warning looks to be bogus. I guess we could put a "= NULL" in > there to keep the compiler quiet? I took a brief look at that yesterday. h_cg will be initialized, but not in this routine. Address of h_cg is passed to hugetlb_cgroup_charge_cgroup which will ensure h_cg is initialized. TBH, I am not sure how the compiler would know this as hugetlb_cgroup_charge_cgroup is in another file. IMO, this was not introduced by Sid's changes. However, I can not explain why it is showing up now. Neither can I reproduce with my compiler, otherwise I would have sent a patch yesterday. I will send a patch to initialize to NULL to keep compiler quiet. -- Mike Kravetz