From patchwork Thu May 4 17:54:22 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julien Grall X-Patchwork-Id: 98552 Delivered-To: patch@linaro.org Received: by 10.140.89.200 with SMTP id v66csp731033qgd; Thu, 4 May 2017 10:56:23 -0700 (PDT) X-Received: by 10.107.166.211 with SMTP id p202mr42033082ioe.15.1493920583550; Thu, 04 May 2017 10:56:23 -0700 (PDT) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org. [192.237.175.120]) by mx.google.com with ESMTPS id y94si24151490ioi.157.2017.05.04.10.56.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 04 May 2017 10:56:23 -0700 (PDT) Received-SPF: neutral (google.com: 192.237.175.120 is neither permitted nor denied by best guess record for domain of xen-devel-bounces@lists.xen.org) client-ip=192.237.175.120; Authentication-Results: mx.google.com; spf=neutral (google.com: 192.237.175.120 is neither permitted nor denied by best guess record for domain of xen-devel-bounces@lists.xen.org) smtp.mailfrom=xen-devel-bounces@lists.xen.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1d6Kxb-0002KY-IO; Thu, 04 May 2017 17:54:39 +0000 Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1d6Kxa-0002KI-1M for xen-devel@lists.xen.org; Thu, 04 May 2017 17:54:38 +0000 Received: from [85.158.137.68] by server-9.bemta-3.messagelabs.com id 85/21-01997-DDA6B095; Thu, 04 May 2017 17:54:37 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrPLMWRWlGSWpSXmKPExsVysyfVTfdOFne kQetcE4slHxezODB6HN39mymAMYo1My8pvyKBNePKe7OCSawVN/Z+Ym9gnMnSxcjFISSwkVHi /r0NbF2MnEDOaUaJ9k9SIDabgKbEnc+fmEBsEQFpiWufLzOC2MwCDhJvPt5jAbGFBewlDl65w QxiswioSmx9sB6shlfAUmLT/fVgMyUE5CV2tV1kncDIuYCRYRWjRnFqUVlqka6hhV5SUWZ6Rk luYmaOrqGBsV5uanFxYnpqTmJSsV5yfu4mRqC36hkYGHcw/j7teYhRkoNJSZRX/RV7pBBfUn5 KZUZicUZ8UWlOavEhRhkODiUJXkGg94UEi1LTUyvSMnOAYQOTluDgURLhZQJJ8xYXJOYWZ6ZD pE4xGnO8W/rhPRPHnHtf3zMJseTl56VKifP+ywQqFQApzSjNgxsEC+dLjLJSwryMDAwMQjwFq UW5mSWo8q8YxTkYlYR5c0Gm8GTmlcDtewV0ChPQKc2yHCCnlCQipKQaGJdsCfjdZHTmpa1dzX fFin1/Zu7sc+e4a7RRzt3yz+Kdp3KW87w+uGrT9pBbtjvK/iWsU1nz4PuxbHPVIraAZQ97ZSI dXrz/1CjrsPESv08wh8cs9j3/zLw1Gh9vmDDH8Pfv3wYvbpQ95HN/eVEluNNVp9S7NUjR5c7P E6qRDuv3vX99RKn5mr0SS3FGoqEWc1FxIgCruZ8KYgIAAA== X-Env-Sender: julien.grall@arm.com X-Msg-Ref: server-15.tower-31.messagelabs.com!1493920476!94772018!1 X-Originating-IP: [217.140.101.70] X-SpamReason: No, hits=0.0 required=7.0 tests= X-StarScan-Received: X-StarScan-Version: 9.4.12; banners=-,-,- X-VirusChecked: Checked Received: (qmail 18003 invoked from network); 4 May 2017 17:54:36 -0000 Received: from foss.arm.com (HELO foss.arm.com) (217.140.101.70) by server-15.tower-31.messagelabs.com with SMTP; 4 May 2017 17:54:36 -0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C9D902B; Thu, 4 May 2017 10:54:35 -0700 (PDT) Received: from e108454-lin.cambridge.arm.com (e108454-lin.cambridge.arm.com [10.1.206.53]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 35FBE3F4FF; Thu, 4 May 2017 10:54:35 -0700 (PDT) From: Julien Grall To: xen-devel@lists.xen.org Date: Thu, 4 May 2017 18:54:22 +0100 Message-Id: <20170504175425.22759-1-julien.grall@arm.com> X-Mailer: git-send-email 2.11.0 Cc: Julien Grall , sstabellini@kernel.org Subject: [Xen-devel] [PATCH 0/3] xen/arm: Survive unknown traps from guests X-BeenThere: xen-devel@lists.xen.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" Hi all, This small patch series ensure that Xen will not die when receiving unknown trap from the guests. I am not aware of any issue with platform we currently support, so I am not sure whether it would be Xen 4.9 material. Cheers, Julien Grall (3): xen/arm: arm32: Rename the trap to the correct name xen/arm: do_trap_hypervisor: Separate hypervisor and guest traps xen/arm: Survive unknown traps from guests xen/arch/arm/arm32/entry.S | 8 ++++---- xen/arch/arm/arm32/traps.c | 4 ++-- xen/arch/arm/arm64/entry.S | 6 +++--- xen/arch/arm/traps.c | 18 +++++++++++++++++- 4 files changed, 26 insertions(+), 10 deletions(-)