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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,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 086B3C433F5 for ; Fri, 31 Aug 2018 16:02:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B060720850 for ; Fri, 31 Aug 2018 16:02:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B060720850 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729211AbeHaUKh (ORCPT ); Fri, 31 Aug 2018 16:10:37 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:35642 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727286AbeHaUKh (ORCPT ); Fri, 31 Aug 2018 16:10:37 -0400 Received: from localhost (unknown [72.28.92.217]) by mail.linuxfoundation.org (Postfix) with ESMTPSA id 19845C0C; Fri, 31 Aug 2018 16:02:27 +0000 (UTC) Date: Fri, 31 Aug 2018 09:02:23 -0700 From: Greg Kroah-Hartman To: Guillaume Tucker Cc: Guenter Roeck , Roland Dreier , Ben Hutchings , LKML , stable@vger.kernel.org, matt@codeblueprint.co.uk, bp@suse.de, Andrew Morton , Andy Lutomirski , luto@kernel.org, Ard Biesheuvel , bp@alien8.de, brgerst@gmail.com, davej@codemonkey.org.uk, dvlasenk@redhat.com, "H. Peter Anvin" , Linus Torvalds , Peter Zijlstra , sai.praneeth.prakhya@intel.com, sds@tycho.nsa.gov, Thomas Gleixner , toshi.kani@hp.com, linux-efi@vger.kernel.org, Ingo Molnar , Yazen.Ghannam@amd.com Subject: Re: [PATCH 4.4 103/105] Revert "x86/mm/pat: Ensure cpa->pfn only contains page frame numbers" Message-ID: <20180831160223.GE25066@kroah.com> References: <20171215092311.347628971@linuxfoundation.org> <1535129126.2902.36.camel@codethink.co.uk> <20180824191749.GA15489@kroah.com> <20180824201025.GB18715@roeck-us.net> <20180824203251.GD18715@roeck-us.net> <5dd63596-9f7f-f72a-37ad-b0d97580667e@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5dd63596-9f7f-f72a-37ad-b0d97580667e@collabora.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 Fri, Aug 31, 2018 at 07:24:08AM +0100, Guillaume Tucker wrote: > On 24/08/18 21:32, Guenter Roeck wrote: > > On Fri, Aug 24, 2018 at 01:16:18PM -0700, Roland Dreier wrote: > >>> Sounds great. I'll hold off with sending my RFT series and wait for your > >>> test results. I think we'll also need d367cef0a7f0c6 ("x86/mm/pat: Fix > >>> boot crash when 1GB pages are not supported by the CPU"). > >> > >> Sure, makes sense - I don't have any EFI systems with CPUs old enough > >> not to support 1G pages but that looks reasonable. I'll pull that > >> into my tree as well. > >> > > kernelci reported a crash on a CPU which doesn't support 1G pages. > > See https://kernelci.org/boot/id/5b7d39ea59b514c03796ba9c/ > > Looks like this has now been fixed with Andi's patch in 4.4.153: > > "x86/mm/pat: Fix L1TF stable backport for CPA" > > I can confirm this platform is now booting fine in kernelci: > > http://lava.streamtester.net/scheduler/job/146195 Wonderful, thanks for letting us know. greg k-h