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 ; 25 Feb 2019 16:41:18 -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 1gyJJc-0002Pt-W6 for speck@linutronix.de; Mon, 25 Feb 2019 17:41:17 +0100 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AB82E82A3 for ; Mon, 25 Feb 2019 16:41:10 +0000 (UTC) Received: from tonnant.bos.jonmasters.org (ovpn-123-18.rdu2.redhat.com [10.10.123.18]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E93DE1001938 for ; Mon, 25 Feb 2019 16:41:09 +0000 (UTC) References: <20190225163013.GB22318@kroah.com> From: Jon Masters Message-ID: <50d47e3d-f663-2bc6-be30-c626dd9fe843@redhat.com> Date: Mon, 25 Feb 2019 11:41:07 -0500 MIME-Version: 1.0 In-Reply-To: <20190225163013.GB22318@kroah.com> Subject: [MODERATED] Encrypted Message Content-Type: multipart/mixed; boundary="seNOcGFf99UQxN8gOIunOKe9z8mSCVOTV"; protected-headers="v1" To: speck@linutronix.de List-ID: This is an OpenPGP/MIME encrypted message (RFC 4880 and 3156) --seNOcGFf99UQxN8gOIunOKe9z8mSCVOTV Content-Type: text/rfc822-headers; protected-headers="v1" Content-Disposition: inline From: Jon Masters To: speck for Greg KH Subject: Re: [PATCH v6 10/43] MDSv6 --seNOcGFf99UQxN8gOIunOKe9z8mSCVOTV Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 2/25/19 11:30 AM, speck for Greg KH wrote: >> +BPF could attack the rest of the kernel if it can successfully >> +measure side channel side effects. >=20 > Can it do such a measurement? The researchers involved in MDS are actively working on an exploit using BPF as well, so I expect we'll know soon. My assumption is "yes". Jon. --=20 Computer Architect | Sent with my Fedora powered laptop --seNOcGFf99UQxN8gOIunOKe9z8mSCVOTV--