From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.9 required=3.0 tests=FROM_EXCESS_BASE64, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E08E0C43441 for ; Fri, 23 Nov 2018 19:02:08 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 3EFA620824 for ; Fri, 23 Nov 2018 19:02:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3EFA620824 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 431lzd56sSzDqLT for ; Sat, 24 Nov 2018 06:02:05 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: lists.ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=suse.de (client-ip=195.135.220.15; helo=mx1.suse.de; envelope-from=msuchanek@suse.de; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=suse.de Received: from mx1.suse.de (mx2.suse.de [195.135.220.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 431lxF2Gt8zDqWv for ; Sat, 24 Nov 2018 05:59:59 +1100 (AEDT) X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 7EB91AD73; Fri, 23 Nov 2018 18:59:56 +0000 (UTC) Date: Fri, 23 Nov 2018 19:59:55 +0100 From: Michal =?UTF-8?B?U3VjaMOhbmVr?= To: Li Yang Subject: Re: Spectre+Meltdown Message-ID: <20181123195955.1bdcdd80@kitsune.suse.cz> In-Reply-To: References: <36E75811-C758-49B1-8E5C-3A2C44FD5DE9@xenosoft.de> <874lnzz5y3.fsf@concordia.ellerman.id.au> <86eade29-a56d-2aab-050e-366f4d43ab2f@xenosoft.de> <32e12e24-750d-eb98-0753-f5feca309082@xenosoft.de> Organization: SUSE Linux X-Mailer: Claws Mail 3.17.1 (GTK+ 2.24.31; x86_64-suse-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Olof Johansson , Michal Suchanek , linuxppc-dev , Christian Zigotzky Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Wed, 10 Jan 2018 18:09:45 -0600 Li Yang wrote: Hello, > On Mon, Jan 8, 2018 at 2:17 AM, Christian Zigotzky > wrote: > > Hi All, > > > > Thanks a lot for your replies. > > > > @NXP developers: Could you please tell us some information? > > We have done some investigation but it is not ready to be published > yet. You can get more information from your support channel right > now. With this summary paper https://arxiv.org/abs/1811.05441 it should be possible to take the manual for your favourite CPU and see which exploitable optimizations it does have, and how are these exploits mitigated. Thanks Michal