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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT 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 1E8CCC43387 for ; Thu, 10 Jan 2019 16:02:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DFF93206B7 for ; Thu, 10 Jan 2019 16:02:46 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="QJS/X9Ru" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729809AbfAJQCp (ORCPT ); Thu, 10 Jan 2019 11:02:45 -0500 Received: from mail.skyhub.de ([5.9.137.197]:50252 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726242AbfAJQCp (ORCPT ); Thu, 10 Jan 2019 11:02:45 -0500 Received: from zn.tnic (p200300EC2BC5CF00BC5292658C5BA6FB.dip0.t-ipconnect.de [IPv6:2003:ec:2bc5:cf00:bc52:9265:8c5b:a6fb]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id 602BF1EC03DB; Thu, 10 Jan 2019 17:02:44 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1547136164; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=2vcG7i6Ra4Tqh1nuYhiELkX1bqSneyTELQ7Fd4tGmvQ=; b=QJS/X9RuQVR7cjxx9fm3/Ucucl9MprGrkFVludUB5L2kSjzg19GIddSdUnOByPh2AhSKm+ 5WjSqOdIDCG2S8EFg4nHFqUYZ3HNorDmgYFrYGBl6ZW3XAnwJ0dq6z5IOnv3o+p0rq42Ps NiGBtwvh7l88JUehFweYdVnodEsbPJI= Date: Thu, 10 Jan 2019 17:02:40 +0100 From: Borislav Petkov To: "Lendacky, Thomas" Cc: Paul Menzel , Thomas Gleixner , Jiri Kosina , "x86@kernel.org" , LKML , Tim Chen Subject: Re: General protection fault in `switch_mm_irqs_off()` Message-ID: <20190110160240.GE17621@zn.tnic> References: <5c38f377-f088-5684-91a5-c2cc2d64dbbd@molgen.mpg.de> <206f4322-c15e-6f0b-733d-fd19cd9c24a7@molgen.mpg.de> <98ed83c0-3077-848b-9de4-add70e9b417a@amd.com> <9bca3e26-1dfc-6e86-cf28-90cadd983ff4@molgen.mpg.de> <20190109211104.GG15665@zn.tnic> <9bbcbaa7-b164-fcef-0588-7c5f25aa2440@molgen.mpg.de> <79744a6a-91c9-9318-3155-c1942cccf5f2@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <79744a6a-91c9-9318-3155-c1942cccf5f2@amd.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 10, 2019 at 03:53:11PM +0000, Lendacky, Thomas wrote: > Checking the original log file again, it showed the mitigation message > for IBPB that is just after the above switch statement, so this print > output is expected. What about applying this patch on top of the patch > from Boris: Ha! See the mail I just sent - it has yours + more! :-) With this funky bug, you never know... -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.