From patchwork Thu Nov 21 22:15:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Cooper X-Patchwork-Id: 11256995 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 661AD112B for ; Thu, 21 Nov 2019 22:17:07 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3810F206CB for ; Thu, 21 Nov 2019 22:17:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=citrix.com header.i=@citrix.com header.b="KbfomWNT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3810F206CB Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=citrix.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iXuk6-00077T-VO; Thu, 21 Nov 2019 22:16:02 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1iXuk5-00077J-Bc for xen-devel@lists.xenproject.org; Thu, 21 Nov 2019 22:16:01 +0000 X-Inumbo-ID: 7f19b7e2-0cac-11ea-9631-bc764e2007e4 Received: from esa3.hc3370-68.iphmx.com (unknown [216.71.145.155]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 7f19b7e2-0cac-11ea-9631-bc764e2007e4; Thu, 21 Nov 2019 22:16:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=citrix.com; s=securemail; t=1574374560; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=o4/fhOdVyBwolZzOfgBxg/SiLaBEcH4W4O7eq0nL5lY=; b=KbfomWNTtWVHhs0ebeXAIdPIaJy6pBo+o2R/8/X/sG9LRfOem5SLHqxT aPpgL/qmc6X3tSJHcWJye/57duMvlt8S8CbcVMx1OJs64kCtos4njfgvm ixZhBIeeVG/pPpDylqsZjwwRnQ0I1z7iE6oWkEg95tre+Z1KsWCxUbaD8 c=; Authentication-Results: esa3.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 (esa3.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=esa3.hc3370-68.iphmx.com; envelope-from="Andrew.Cooper3@citrix.com"; x-sender="andrew.cooper3@citrix.com"; x-conformance=sidf_compatible Received-SPF: Pass (esa3.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=esa3.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 ip4:168.245.78.127 ~all" Received-SPF: None (esa3.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=esa3.hc3370-68.iphmx.com; envelope-from="Andrew.Cooper3@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: iyN6NMxOeSjJzfoIIAqyWrYGrVEqCBRmqSqUtR9joz7hxLMf70DvlGYZKu+m5vE8AwL0at0RJg l/50YriHZxABslDn3qsxG2R6raVDstdYQygdKYBr/heKO7q1YmITDhejsIl8Km22cWdeZhNnsd SW66J48QBqSCvvAuugOyASo54KGn/Z3nXzTc38RE71GHl0B+hcv/fgSr0waORENIYx3auU4TbN B3Rd23FK4643rhoFAXPPbvOnWehdThrWaQdaWfuLuR9TychvVseT3wvRxX0rNL/ZBI6a/+ZOAl Qjk= X-SBRS: 2.7 X-MesageID: 8679248 X-Ironport-Server: esa3.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.69,227,1571716800"; d="scan'208";a="8679248" From: Andrew Cooper To: Xen-devel Date: Thu, 21 Nov 2019 22:15:49 +0000 Message-ID: <20191121221551.1175-1-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 Subject: [Xen-devel] [PATCH for-4.13 0/2] x86/hvm: Multiple corrections to task switch handling 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: Juergen Gross , Kevin Tian , Jan Beulich , Wei Liu , Andrew Cooper , Jun Nakajima , =?utf-8?q?Roger_Pau_Monn=C3=A9?= Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" These patches want backporting due to the severity of patch 2. They should therefore be considered for 4.13 at this point. Andrew Cooper (2): x86/vtx: Fix fault semantics for early task switch failures x86/svm: Write the correct %eip into the outgoing task xen/arch/x86/hvm/hvm.c | 4 +-- xen/arch/x86/hvm/svm/emulate.c | 55 +++++++++++++++++++++++++++++++++++ xen/arch/x86/hvm/svm/svm.c | 46 ++++++++++++++++++++++------- xen/arch/x86/hvm/vmx/vmx.c | 4 +-- xen/include/asm-x86/hvm/hvm.h | 2 +- xen/include/asm-x86/hvm/svm/emulate.h | 1 + 6 files changed, 97 insertions(+), 15 deletions(-)