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 X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D3FCEC5CFEB for ; Tue, 10 Jul 2018 01:33:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7EB332086E for ; Tue, 10 Jul 2018 01:33:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b="Ar0Lizlc" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7EB332086E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=canb.auug.org.au Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754675AbeGJBdv (ORCPT ); Mon, 9 Jul 2018 21:33:51 -0400 Received: from ozlabs.org ([203.11.71.1]:39175 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754597AbeGJBdp (ORCPT ); Mon, 9 Jul 2018 21:33:45 -0400 Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPSA id 41Pl8l3pxhz9rxs; Tue, 10 Jul 2018 11:33:43 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=canb.auug.org.au DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=canb.auug.org.au; s=201702; t=1531186423; bh=X90ZMNUsOLO+/q0L0ezl9wQ8A2BWNor87E6buf+SKfA=; h=Date:From:To:Cc:Subject:From; b=Ar0LizlcoJug0WWCtSH/C8q0zsz4GUmuu+zP5RD8V0698ejZBAYcRXdw8mh0HuQUk r9Q9Ay8ULnfga0tboI6hrgKzLFX1vCKIDbmGGwRMx38cs4B7gz5mcxanCbIQpEQrdl J54bODGL8YTm1a2+sBi3K4pPsMz2NlyAkPV2nCECPNT0Ge8gziaPjd7r2Z8IcFk4Cg +BlxRRzDO19+jwUp8WmVoUyeBfhT8roI/lqXORAUVtbw2VTCZDstLDFXMPapedlmZi sGMbSYQVfxEW3JApLAnB0JwBavSP3sUFY3QR5RG/N5BoXqf5R7n7X9w0DFod5MmFoo Rw7rbseJXj0ew== Date: Tue, 10 Jul 2018 11:33:42 +1000 From: Stephen Rothwell To: Doug Ledford , Jason Gunthorpe Cc: Linux-Next Mailing List , Linux Kernel Mailing List , Bart Van Assche Subject: linux-next: build warnings after merge of the rdma tree Message-ID: <20180710113342.605e53e8@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/f1b5CFzKy9XM64wKgjeAdmJ"; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/f1b5CFzKy9XM64wKgjeAdmJ Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the rdma tree, today's linux-next build (x86_64 allmodconfig) produced these warnings: In file included from include/linux/printk.h:336:0, from include/linux/kernel.h:14, from arch/x86/include/asm/percpu.h:45, from arch/x86/include/asm/current.h:6, from include/linux/mutex.h:14, from drivers/infiniband/hw/cxgb4/iw_cxgb4.h:34, from drivers/infiniband/hw/cxgb4/cq.c:33: drivers/infiniband/hw/cxgb4/cq.c: In function '__c4iw_poll_cq_one': include/linux/dynamic_debug.h:127:3: warning: 'cqe.u.gen.wrid_hi' may be us= ed uninitialized in this function [-Wmaybe-uninitialized] __dynamic_pr_debug(&descriptor, pr_fmt(fmt), \ ^~~~~~~~~~~~~~~~~~ drivers/infiniband/hw/cxgb4/cq.c:674:16: note: 'cqe.u.gen.wrid_hi' was decl= ared here struct t4_cqe cqe; ^~~ In file included from include/linux/printk.h:336:0, from include/linux/kernel.h:14, from arch/x86/include/asm/percpu.h:45, from arch/x86/include/asm/current.h:6, from include/linux/mutex.h:14, from drivers/infiniband/hw/cxgb4/iw_cxgb4.h:34, from drivers/infiniband/hw/cxgb4/cq.c:33: include/linux/dynamic_debug.h:127:3: warning: 'cqe.u.gen.wrid_low' may be u= sed uninitialized in this function [-Wmaybe-uninitialized] __dynamic_pr_debug(&descriptor, pr_fmt(fmt), \ ^~~~~~~~~~~~~~~~~~ drivers/infiniband/hw/cxgb4/cq.c:674:16: note: 'cqe.u.gen.wrid_low' was dec= lared here struct t4_cqe cqe; ^~~ In file included from include/linux/printk.h:336:0, from include/linux/kernel.h:14, from arch/x86/include/asm/percpu.h:45, from arch/x86/include/asm/current.h:6, from include/linux/mutex.h:14, from drivers/infiniband/hw/cxgb4/iw_cxgb4.h:34, from drivers/infiniband/hw/cxgb4/cq.c:33: include/linux/dynamic_debug.h:127:3: warning: 'cqe.len' may be used uniniti= alized in this function [-Wmaybe-uninitialized] __dynamic_pr_debug(&descriptor, pr_fmt(fmt), \ ^~~~~~~~~~~~~~~~~~ drivers/infiniband/hw/cxgb4/cq.c:674:16: note: 'cqe.len' was declared here struct t4_cqe cqe; ^~~ Introduced by commit 4ab39e2f98f2 ("RDMA/cxgb4: Make c4iw_poll_cq_one() easier to analyze") Again, I can't easily tell if these are false positives or not. --=20 Cheers, Stephen Rothwell --Sig_/f1b5CFzKy9XM64wKgjeAdmJ Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAltEDPYACgkQAVBC80lX 0GzUVAf9FjuBtyhILSITkzHBuATTHFS9pKAzuQP/CoZqlql23kcZ3z68XJyaKf39 YzILhidXgvA93oqDZCfv9zrbLT0+tPrYhDm64+uQZ/ZJGyELHNd7FsURSUQ1Ind7 mndZvA7bRV5FWJmXFksgEyJXnHVKl4TE9BxEORmhNgZG4yK3ndTkgRqqTXTvHZBN 5cMjorezOA6ichh+6IJZuMQ//ZGR8UHrVMhDBk3+WqDQ3DiUBU+f0ZyxKVxd1WwB p9/CcikWxr+3o0ALb586cUipP/n414Ef759ig5ZHZk/V8/c09aWXwoB303KeD33q 1GkcIZJ3kktMC7vY81At5jdLiISt9A== =CqmQ -----END PGP SIGNATURE----- --Sig_/f1b5CFzKy9XM64wKgjeAdmJ--