From nobody Sat Nov 1 07:50:15 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1526312619333953.3424683989437; Mon, 14 May 2018 08:43:39 -0700 (PDT) Received: from localhost ([::1]:43889 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fIFdM-0001qJ-JF for importer@patchew.org; Mon, 14 May 2018 11:43:32 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40732) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fIFbJ-0000Gk-SE for qemu-devel@nongnu.org; Mon, 14 May 2018 11:41:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fIFbH-0007Uv-Sj for qemu-devel@nongnu.org; Mon, 14 May 2018 11:41:25 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:53920 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fIFbH-0007Uf-MU; Mon, 14 May 2018 11:41:23 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D0867EC01A; Mon, 14 May 2018 15:41:22 +0000 (UTC) Received: from localhost (ovpn-117-57.ams2.redhat.com [10.36.117.57]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 7F8CC2024CA9; Mon, 14 May 2018 15:41:22 +0000 (UTC) From: Cornelia Huck To: Peter Maydell Date: Mon, 14 May 2018 17:41:10 +0200 Message-Id: <20180514154114.2558-3-cohuck@redhat.com> In-Reply-To: <20180514154114.2558-1-cohuck@redhat.com> References: <20180514154114.2558-1-cohuck@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Mon, 14 May 2018 15:41:22 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Mon, 14 May 2018 15:41:22 +0000 (UTC) for IP:'10.11.54.4' DOMAIN:'int-mx04.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'cohuck@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PULL 2/6] pc-bios/s390-ccw: struct tpi_info must be declared as aligned(4) X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , David Hildenbrand , qemu-stable@nongnu.org, Cornelia Huck , Alexander Graf , qemu-devel@nongnu.org, Christian Borntraeger , qemu-s390x@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Thomas Huth I've run into a compilation error today with the current version of GCC 8: In file included from s390-ccw.h:49, from main.c:12: cio.h:128:1: error: alignment 1 of 'struct tpi_info' is less than 4 [-Werro= r=3Dpacked-not-aligned] } __attribute__ ((packed)); ^ cc1: all warnings being treated as errors Since the struct tpi_info contains an element ("struct subchannel_id schid") which is marked as aligned(4), we've got to mark the struct tpi_info as aligned(4), too. CC: qemu-stable@nongnu.org Signed-off-by: Thomas Huth Message-Id: <1525774672-11913-1-git-send-email-thuth@redhat.com> Reviewed-by: Cornelia Huck Acked-by: Christian Borntraeger Signed-off-by: Cornelia Huck --- pc-bios/s390-ccw/cio.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/pc-bios/s390-ccw/cio.h b/pc-bios/s390-ccw/cio.h index 55eaeee4b6..1a0795f645 100644 --- a/pc-bios/s390-ccw/cio.h +++ b/pc-bios/s390-ccw/cio.h @@ -125,7 +125,7 @@ struct tpi_info { __u32 reserved3 : 12; __u32 int_type : 3; __u32 reserved4 : 12; -} __attribute__ ((packed)); +} __attribute__ ((packed, aligned(4))); =20 /* channel command word (type 1) */ struct ccw1 { --=20 2.14.3