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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 30800C2D0ED for ; Mon, 30 Mar 2020 02:47:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 057AE20675 for ; Mon, 30 Mar 2020 02:47:54 +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="uKub5kxI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729281AbgC3Crx (ORCPT ); Sun, 29 Mar 2020 22:47:53 -0400 Received: from bilbo.ozlabs.org ([203.11.71.1]:60025 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728107AbgC3Crx (ORCPT ); Sun, 29 Mar 2020 22:47:53 -0400 Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 48rH1w57kRz9sP7; Mon, 30 Mar 2020 13:47:48 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=canb.auug.org.au; s=201702; t=1585536471; bh=TpOtppbvh+jJ2NBvS6oKrocdp2Nf+tIqBhNtWvXHShk=; h=Date:From:To:Cc:Subject:From; b=uKub5kxICoX7nJM5GS/o+6ko+VIoGaIjknT1Dyo8qxMhayvg8z5itOjoIKfixxqIy HtQJRKDJcq98x/AmuFmHrIvpy+zq1rKH+RWuvwfSU4NHQanv9gckgaxzO5+ntPzYwm CZ4UrqYKLBeOEe0MeXWAgdiZajZCm/D+VUjHAzk/Wi/4PHQXrW2lGSW7yqGtt9qG4t qjJUoLQyCWmdK+ohZ6VclXX5xvFSy6kAaHibjca1/g9sJtK2GqclVMIuNwpug2q0JW nOWZHeojOX3JsWNmCdDm0i3fRa/07/kOLo7PVoy8wM2hO7XM/pXPZ+joYL1q1RPFTE vh6skdQblrRYw== Date: Mon, 30 Mar 2020 13:47:46 +1100 From: Stephen Rothwell To: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Peter Zijlstra Cc: Linux Next Mailing List , Linux Kernel Mailing List , Al Viro Subject: linux-next: build warning after merge of the tip tree Message-ID: <20200330134746.627dcd93@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/sIw9aPF8nvbDOH+4m/ixmWo"; protocol="application/pgp-signature"; micalg=pgp-sha256 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/sIw9aPF8nvbDOH+4m/ixmWo Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, After merging the tip tree, today's linux-next build (arm multi_v7_defconfig) produced this warning: kernel/futex.c: In function 'do_futex': kernel/futex.c:1676:17: warning: 'oldval' may be used uninitialized in this= function [-Wmaybe-uninitialized] 1676 | return oldval =3D=3D cmparg; | ~~~~~~~^~~~~~~~~ kernel/futex.c:1652:6: note: 'oldval' was declared here 1652 | int oldval, ret; | ^~~~~~ Introduced by commit a08971e9488d ("futex: arch_futex_atomic_op_inuser() calling conventions c= hange") but I don't see how it makes this difference :-( --=20 Cheers, Stephen Rothwell --Sig_/sIw9aPF8nvbDOH+4m/ixmWo Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAl6BXdIACgkQAVBC80lX 0Gze+Qf9F3jIksLj9UXDmiG0zldeWFHHplCXapObvVeul2IgnB6/xpaqMxWti6Bv l+to6I0eKop0gNJ2PiNxIC1v6rXElOWreh4xmmxMx1VUTunr7weqaWqBvQx7ytDq l3nIrnq4BE4tTYLdch6UsCRmzo2damqh3W4XBJJkosN6ZTsKHW1l6Qz32P4ihfuB Dwvg65srVGN4b8wuTocqoRWn6ebkuU0E8Az1A7F5HAPtjaMTbRLQaHL+6zIHXi6L aPbb5QF9px7VpJan3AHYOcnCQPtGaDCk4U0ml1Rl2eigRhiU5HjrUYSgTCl+MNvN dyvk4lWnwuo0DSAbEpP2VWn6iT9msQ== =n4Yi -----END PGP SIGNATURE----- --Sig_/sIw9aPF8nvbDOH+4m/ixmWo--