From patchwork Fri Jun 21 09:36:33 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Cooper X-Patchwork-Id: 11009167 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E63531398 for ; Fri, 21 Jun 2019 09:38:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D6234289E8 for ; Fri, 21 Jun 2019 09:38:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id CA6AE289CA; Fri, 21 Jun 2019 09:38:32 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 81D15289CA for ; Fri, 21 Jun 2019 09:38:32 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1heFyP-0007a7-OM; Fri, 21 Jun 2019 09:36:45 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1heFyO-0007a1-Jb for xen-devel@lists.xenproject.org; Fri, 21 Jun 2019 09:36:44 +0000 X-Inumbo-ID: 140a513a-9408-11e9-8980-bc764e045a96 Received: from esa1.hc3370-68.iphmx.com (unknown [216.71.145.142]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 140a513a-9408-11e9-8980-bc764e045a96; Fri, 21 Jun 2019 09:36:43 +0000 (UTC) Authentication-Results: esa1.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none; spf=None smtp.pra=andrew.cooper3@citrix.com; spf=Pass smtp.mailfrom=Andrew.Cooper3@citrix.com; spf=None smtp.helo=postmaster@mail.citrix.com Received-SPF: None (esa1.hc3370-68.iphmx.com: no sender authenticity information available from domain of andrew.cooper3@citrix.com) identity=pra; client-ip=162.221.158.21; receiver=esa1.hc3370-68.iphmx.com; envelope-from="Andrew.Cooper3@citrix.com"; x-sender="andrew.cooper3@citrix.com"; x-conformance=sidf_compatible Received-SPF: Pass (esa1.hc3370-68.iphmx.com: domain of Andrew.Cooper3@citrix.com designates 162.221.158.21 as permitted sender) identity=mailfrom; client-ip=162.221.158.21; receiver=esa1.hc3370-68.iphmx.com; envelope-from="Andrew.Cooper3@citrix.com"; x-sender="Andrew.Cooper3@citrix.com"; x-conformance=sidf_compatible; x-record-type="v=spf1"; x-record-text="v=spf1 ip4:209.167.231.154 ip4:178.63.86.133 ip4:195.66.111.40/30 ip4:85.115.9.32/28 ip4:199.102.83.4 ip4:192.28.146.160 ip4:192.28.146.107 ip4:216.52.6.88 ip4:216.52.6.188 ip4:162.221.158.21 ip4:162.221.156.83 ~all" Received-SPF: None (esa1.hc3370-68.iphmx.com: no sender authenticity information available from domain of postmaster@mail.citrix.com) identity=helo; client-ip=162.221.158.21; receiver=esa1.hc3370-68.iphmx.com; envelope-from="Andrew.Cooper3@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: Y7FeIurlf15qw0Ia1pHHjzjTXIsasIpDGJu0MNQKjoHHCAMNILfp3hXYkv6t2+Oz6BwBPmxZsP pZqRjImdz8rL0VuJdMSJiNEaa4XogI0eizNryq3Ve40gtAiyFHV5N+uLBVSd6BIFh4RWWcJar+ /E8xB56tcpT+fEY2KG1O7tQVGtkug8JlWgUwTY/uXieJsijYpcPzl3BCaZlj6ua00A1txPfwcF 1EUe/8uVkHvvUeZGRvyGmoT7ejy+MwxrvygjUGIxznRHO0jbMcZdr/qS+UN3sU6sFVoGiQwW1R AR4= X-SBRS: 2.7 X-MesageID: 2060656 X-Ironport-Server: esa1.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.63,399,1557201600"; d="scan'208";a="2060656" From: Andrew Cooper To: Xen-devel Date: Fri, 21 Jun 2019 10:36:33 +0100 Message-ID: <1561109798-8744-1-git-send-email-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.1.4 MIME-Version: 1.0 Subject: [Xen-devel] [PATCH 0/5] xen/gnttab: XSA-295 followup X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Wei Liu , George Dunlap , Andrew Cooper , Julien Grall , Jan Beulich , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP This series came out of observations during the development of XSA-295. It has been tested on x86, but only compile tested on arm. It can be obtained in git form from: http://xenbits.xen.org/gitweb/?p=people/andrewcoop/xen.git;a=shortlog;h=refs/heads/xen-grant-status Andrew Cooper (5): xen/gnttab: Reduce complexity when reading grant_entry_header_t xen/gnttab: Reduce code volume when using union grant_combo arm/gnttab: Implement stub helpers as static inlines xen/gnttab: Refactor gnttab_clear_flag() to be gnttab_clear_flags() xen/gnttab: Fold adjacent calls to gnttab_clear_flags() xen/arch/arm/mm.c | 16 ---- xen/common/grant_table.c | 160 ++++++++++++++++++++------------------ xen/include/asm-arm/grant_table.h | 17 +++- xen/include/asm-x86/grant_table.h | 11 +-- 4 files changed, 104 insertions(+), 100 deletions(-)