From nobody Fri Apr 19 11:20:46 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail(p=none dis=none) header.from=citrix.com ARC-Seal: i=1; a=rsa-sha256; t=1593182305; cv=none; d=zohomail.com; s=zohoarc; b=lEHpvBl4TCmo8GFqHDWhSdE3A926lhrwhfxzpphM34R2Y3atfFB5kDEsYT4Lu208Wx7xKNsWh/2EDf9RT/sEvkUcuPfYBmCM26/pUqhv2AXirtTyAj2XaPHcSTsPPoL8C/YQ5CnyKfUp96azOhxqTLrd1ZAtMLn9CEgshiN0AHY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1593182305; h=Content-Type:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To; bh=LHljaUX01sA8u66JYNH/B+navJz4stobr5io/k3byjA=; b=NogVvyCLCS4qw/ndKDyDpy1ITOIXTlG/msztgADHsSg42ZfgIqEa1ingAnpHaba00Eiy9SE2XZjoY3gvnLSLQ8zzuuYzBMHLDMOzGZL5SjFYmZsGL7JOkD7swMiYzdGSoyWDW4xja0DWoUgOvLPC5BQtOmZReXYD2BxEHkHLL1A= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1593182305072544.0560346497055; Fri, 26 Jun 2020 07:38:25 -0700 (PDT) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1jopUO-0000uY-8W; Fri, 26 Jun 2020 14:38:00 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1jopUN-0000uT-25 for xen-devel@lists.xenproject.org; Fri, 26 Jun 2020 14:37:59 +0000 Received: from esa1.hc3370-68.iphmx.com (unknown [216.71.145.142]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id a067d4a6-b7ba-11ea-bca7-bc764e2007e4; Fri, 26 Jun 2020 14:37:57 +0000 (UTC) X-Inumbo-ID: a067d4a6-b7ba-11ea-bca7-bc764e2007e4 Authentication-Results: esa1.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none IronPort-SDR: kHOFdFhBmHfCGWRLYS/vQC+VRpk9pvNHFMdXy+26e5/Hr5kIopiiSW9AtoA06h1jCoMeofpkeB 1fZ3OEQ2pp9G0VBT+BYC6ScJWAXhTXimy+rTfgvt1yjM2l+DtMAigs+SU2UsURGp+rT5xu7ur4 BvNuj4JTpEXCkUVmY0/b6tCUnLvb9QirAsV2LjfmiLM2yO3FiB5vESX5RM/x7tJPIQz2O3/Iqb lLADvuAeSA+5QWfqC2pofKvt/qK+xTo1fkhF9ym45+9rPB/ZXXkC94hiJ9dhUtVZV6uICaIoAq IjE= X-SBRS: 2.7 X-MesageID: 21336657 X-Ironport-Server: esa1.hc3370-68.iphmx.com X-Remote-IP: 162.221.158.21 X-Policy: $RELAYED X-IronPort-AV: E=Sophos;i="5.75,284,1589256000"; d="scan'208";a="21336657" From: Andrew Cooper To: Xen-devel Subject: [PATCH for-4.14] changelog: Add notes about CET and Migration changes Date: Fri, 26 Jun 2020 15:37:38 +0100 Message-ID: <20200626143738.1525-1-andrew.cooper3@citrix.com> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Stefano Stabellini , Julien Grall , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Paul Durrant , Jan Beulich , Ian Jackson Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Signed-off-by: Andrew Cooper Acked-by: Jan Beulich Reviewed-by: Paul Durrant --- CC: George Dunlap CC: Ian Jackson CC: Jan Beulich CC: Konrad Rzeszutek Wilk CC: Stefano Stabellini CC: Wei Liu CC: Julien Grall CC: Paul Durrant --- CHANGELOG.md | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/CHANGELOG.md b/CHANGELOG.md index 43fd260156..5c3d3c791d 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -21,6 +21,15 @@ The format is based on [Keep a Changelog](https://keepac= hangelog.com/en/1.0.0/) - New 'domid_policy', allowing domain-ids to be randomly chosen. - Option to preserve domain-id across migrate or save+restore. - Support in kdd for initial KD protocol handshake for Win 7, 8 and 10 (6= 4 bit). + - Tech preview support for Control-flow Execution Technology, with Xen us= ing + Supervisor Shadow Stacks for its own protection. + +### Changed + - The CPUID data seen by a guest on boot is now moved in the migration + stream. A guest migrating between non-identical hardware will now no + longer observe details such as Family/Model/Stepping, Cache, etc changi= ng. + An administrator still needs to take care to ensure the features visibl= e to + the guest at boot are compatible with anywhere it might migrate. =20 ## [4.13.0](https://xenbits.xen.org/gitweb/?p=3Dxen.git;a=3Dshortlog;h=3DR= ELEASE-4.13.0) - 2019-12-17 =20 --=20 2.11.0