From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linutronix.de (146.0.238.70:993) by crypto-ml.lab.linutronix.de with IMAP4-SSL for ; 04 Mar 2019 05:30:23 -0000 Received: from mx1.redhat.com ([209.132.183.28]) by Galois.linutronix.de with esmtps (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1h0gBB-0000h7-In for speck@linutronix.de; Mon, 04 Mar 2019 06:30:22 +0100 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 33A5085365 for ; Mon, 4 Mar 2019 05:30:14 +0000 (UTC) Received: from tonnant.bos.jonmasters.org (ovpn-120-248.rdu2.redhat.com [10.10.120.248]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CD0BE19C6F for ; Mon, 4 Mar 2019 05:30:13 +0000 (UTC) References: <20190301214738.281554861@linutronix.de> From: Jon Masters Message-ID: Date: Mon, 4 Mar 2019 00:30:12 -0500 MIME-Version: 1.0 In-Reply-To: <20190301214738.281554861@linutronix.de> Subject: [MODERATED] Encrypted Message Content-Type: multipart/mixed; boundary="mIO58wz5bsSCLufiSYOAwG8voKrIWBwkz"; protected-headers="v1" To: speck@linutronix.de List-ID: This is an OpenPGP/MIME encrypted message (RFC 4880 and 3156) --mIO58wz5bsSCLufiSYOAwG8voKrIWBwkz Content-Type: text/rfc822-headers; protected-headers="v1" Content-Disposition: inline From: Jon Masters To: speck for Thomas Gleixner Subject: Re: [patch V6 00/14] MDS basics 0 --mIO58wz5bsSCLufiSYOAwG8voKrIWBwkz Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 3/1/19 4:47 PM, speck for Thomas Gleixner wrote: > Changes vs. V5: >=20 > - Fix tools/ build (Josh) >=20 > - Dropped the AIRMONT_MID change as it needs confirmation from Intel >=20 > - Made the consolidated whitelist more readable and correct >=20 > - Added the MSBDS only quirk for XEON PHI, made the idle flush > depend on it and updated the sysfs output accordingly. >=20 > - Fixed the protection matrix in the admin documentation and clarifie= d > the SMT situation vs. MSBDS only. >=20 > - Updated the KVM/VMX changelog. >=20 > Delta patch against V5 below. >=20 > Available from git: >=20 > cvs.ou.linutronix.de:linux/speck/linux WIP.mds >=20 > The linux-4.20.y, linux-4.19.y and linux-4.14.y branches are updated as= > well and contain the untested backports of the pile for reference. >=20 > I'll send git bundles of the pile as well. Tested on Coffeelake with updated ucode successfully: processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 158 model name : Intel(R) Core(TM) i7-8086K CPU @ 4.00GHz stepping : 10 microcode : 0xae [jcm@stephen ~]$ dmesg|grep MDS [ 1.633165] MDS: Mitigation: Clear CPU buffers [jcm@stephen ~]$ cat /sys/devices/system/cpu/vulnerabilities/mds Mitigation: Clear CPU buffers; SMT vulnerable Jon. --=20 Computer Architect | Sent with my Fedora powered laptop --mIO58wz5bsSCLufiSYOAwG8voKrIWBwkz--