[0/2] x86/AMD: Fix handling of x87 exception pointers on Fam17h hardware

Message ID	20190819182612.16706-1-andrew.cooper3@citrix.com (mailing list archive)
Headers	show Return-Path: <SRS0=yXRq=WP=lists.xenproject.org=xen-devel-bounces@kernel.org> DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 64A8B218BA Received-SPF: None (esa6.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=esa6.hc3370-68.iphmx.com; envelope-from="Andrew.Cooper3@citrix.com"; x-sender="andrew.cooper3@citrix.com"; x-conformance=sidf_compatible Received-SPF: Pass (esa6.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=esa6.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 (esa6.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=esa6.hc3370-68.iphmx.com; envelope-from="Andrew.Cooper3@citrix.com"; x-sender="postmaster@mail.citrix.com"; x-conformance=sidf_compatible IronPort-SDR: dJSF87J8mvefK8Ne8IGiPxS99brObkRqUXaO4HS2wONqFw/a7squnuiEwm3KMlTockFyfP1x/u C4wtqC3sS+x43ptKtFmVY3d+jiJ7ZHc8vbgm8omY4uTi5xPEYq+goEbJUJEAevv9kzgP2vfZok UH9BRiUsh5lmrzRRn6U8BgfsgRLuaS0aVPEumn3gwaV88KDBJtd22mVsVxODQTnyUhmSoF483E J7GZt7WaWYKnZrI4UG85hyTc4k2s6XxOs7TpsWv6cQW5LIFUY4PpdKYJtlCuhBv4nn891zfM8E vAA= From: Andrew Cooper <andrew.cooper3@citrix.com> To: Xen-devel <xen-devel@lists.xenproject.org> Date: Mon, 19 Aug 2019 19:26:10 +0100 Message-ID: <20190819182612.16706-1-andrew.cooper3@citrix.com> MIME-Version: 1.0 Subject: [Xen-devel] [PATCH 0/2] x86/AMD: Fix handling of x87 exception pointers on Fam17h hardware Precedence: list Cc: Andrew Cooper <andrew.cooper3@citrix.com>, Wei Liu <wl@xen.org>, Jan Beulich <JBeulich@suse.com>, =?utf-8?q?Roger_Pau_Monn=C3=A9?= <roger.pau@citrix.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" <xen-devel-bounces@lists.xenproject.org>
Series	x86/AMD: Fix handling of x87 exception pointers on Fam17h hardware \| expand [0/2] x86/AMD: Fix handling of x87 exception pointers on Fam17h hardware [1/2] x86/feature: Generalise synth and introduce a bug word [2/2] x86/AMD: Fix handling of x87 exception pointers on Fam17h hardware

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20190819182612.16706-1-andrew.cooper3@citrix.com (mailing list archive)

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From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Xen-devel <xen-devel@lists.xenproject.org>
Date: Mon, 19 Aug 2019 19:26:10 +0100
Message-ID: <20190819182612.16706-1-andrew.cooper3@citrix.com>
MIME-Version: 1.0
Subject: [Xen-devel] [PATCH 0/2] x86/AMD: Fix handling of x87 exception
 pointers on Fam17h hardware
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Series

x86/AMD: Fix handling of x87 exception pointers on Fam17h hardware | expand

Message

Andrew Cooper Aug. 19, 2019, 6:26 p.m. UTC

This is a subset of a previously posted series, because support for this
workaround has been outstanding for far too long.

Andrew Cooper (2):
  x86/feature: Generalise synth and introduce a bug word
  x86/AMD: Fix handling of x87 exception pointers on Fam17h hardware

 tools/libxl/libxl_cpuid.c                   |  3 ++
 tools/misc/xen-cpuid.c                      |  1 +
 xen/arch/x86/cpu/amd.c                      |  7 +++
 xen/arch/x86/i387.c                         | 14 +++---
 xen/arch/x86/xstate.c                       |  6 +--
 xen/include/asm-x86/cpufeature.h            |  3 ++
 xen/include/asm-x86/cpufeatures.h           | 69 +++++++++++++++++------------
 xen/include/public/arch-x86/cpufeatureset.h |  1 +
 8 files changed, 62 insertions(+), 42 deletions(-)