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=-2.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 54F88C74A52 for ; Thu, 11 Jul 2019 12:21:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 25AD620872 for ; Thu, 11 Jul 2019 12:21:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="AecyH3z7" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728616AbfGKMVn (ORCPT ); Thu, 11 Jul 2019 08:21:43 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:48942 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726061AbfGKMVm (ORCPT ); Thu, 11 Jul 2019 08:21:42 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=L126jU2Qut/Cmlk8jA+23vne4GbXn8MhE5v9IRsKS9M=; b=AecyH3z7vXeAN3yErZeLBcVM3 1CLnyldEBELmTQSTRbZnMXHcVP9G88OdSk1+qmHTAzrHYdGK6X2RBRD0m2YVGIGHAhmvw13muh6/p 9GJhsJ49riwz9Ag6bx0hTFzZYSl0jfVOBOMIry49pOuciDHVGQ7pzTLM2m17QhjRIBw0OWSHwj0y8 SHzS2FYUdGLPdvuk6K4xOqnCow8cHyWcCtbbjGiw5fnl9K/i3o+rf9fe+PcsQ4GGcMlQuYpDnf5VA zH4XaiqGEASDw2heBdtp6+vsTsZ78FrTtrkq+MYhRoH1tDLtqqJyc0CD3vB47FXtgmF24olza0mDX dgvffZEKQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.92 #3 (Red Hat Linux)) id 1hlY4m-00032z-35; Thu, 11 Jul 2019 12:21:28 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 801AC20B2B4DF; Thu, 11 Jul 2019 14:21:26 +0200 (CEST) Date: Thu, 11 Jul 2019 14:21:26 +0200 From: Peter Zijlstra To: Steven Rostedt Cc: Linus Torvalds , Andy Lutomirski , Thomas Gleixner , Borislav Petkov , Ingo Molnar , "H. Peter Anvin" , Dave Hansen , Juergen Gross , LKML , He Zhe , Joel Fernandes , devel@etsukata.com, stable , Greg Kroah-Hartman , Sasha Levin Subject: Re: [PATCH v2 5/7] x86/mm, tracing: Fix CR2 corruption Message-ID: <20190711122126.GN3419@hirez.programming.kicks-ass.net> References: <20190704195555.580363209@infradead.org> <20190704200050.534802824@infradead.org> <20190710162709.1c306f8a@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190710162709.1c306f8a@gandalf.local.home> 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 Wed, Jul 10, 2019 at 04:27:09PM -0400, Steven Rostedt wrote: > But isn't it easier for them to just pull the quick fix in, if it is in Steve, I've not yet seen a quick fix that actually fixes all the problems. Your initial one only fixes the IRQ tracing one, but leaves the context tracking one wide open.