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,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 A8092C43387 for ; Thu, 20 Dec 2018 19:57:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6846621901 for ; Thu, 20 Dec 2018 19:57:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545335837; bh=7pG6TAj/AzIf3A+xAqvvaDsdYDkro5cW52tehw4Phko=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=ZJFYZWmcEyk0LvbtnBR3wvv3JqPzhemHeq/0Wj7d4ihDyMnonZZT7N3/Z/iPrlmtv pIbJMDOrPV2SOw5rVqIdxJndwt4E6AnixLRJASVz6o2VaVPQdTUo/MDdWdFKcQiMHA 0tnxi5vzRnyKCqkm+DEuGuDrFKQYcYujrMyzb1Rs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731293AbeLTT5Q (ORCPT ); Thu, 20 Dec 2018 14:57:16 -0500 Received: from mail.kernel.org ([198.145.29.99]:53280 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725372AbeLTT5Q (ORCPT ); Thu, 20 Dec 2018 14:57:16 -0500 Received: from localhost (unknown [69.71.4.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AABFD21773; Thu, 20 Dec 2018 19:57:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545335836; bh=7pG6TAj/AzIf3A+xAqvvaDsdYDkro5cW52tehw4Phko=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=AU9rgW29BWE/rhOhr87N808AcL0678HftamCQSCzVdE1XyoVIe0R7fUjPIV7HLgY0 kDNk8EJiVkZV3yQk6PjqjBCsKOcs9yE0uK9gJuP/ucN18Az1+5kARHeJH+NQO3YAy2 ZAwsZveJeG1KjBtjfYBLyZE/nsbmGVqNTK8Bikzk= Date: Thu, 20 Dec 2018 13:57:14 -0600 From: Bjorn Helgaas To: Dave Hansen Cc: Jonathan Cameron , linux-pci@vger.kernel.org, x86@kernel.org, linuxarm@huawei.com, Ingo Molnar , Dave Hansen , Andy Lutomirski , Peter Zijlstra , martin@geanix.com Subject: Re: [PATCH V2] x86: Fix an issue with invalid ACPI NUMA config Message-ID: <20181220195714.GE183878@google.com> References: <20181211094737.71554-1-Jonathan.Cameron@huawei.com> <20181212093914.00002aed@huawei.com> <20181220151225.GB183878@google.com> <65f5bb93-b6be-d6dd-6976-e2761f6f2a7b@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <65f5bb93-b6be-d6dd-6976-e2761f6f2a7b@intel.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Thu, Dec 20, 2018 at 09:13:12AM -0800, Dave Hansen wrote: > On 12/20/18 7:12 AM, Bjorn Helgaas wrote: > >> Other than the error we might be able to use acpi_map_pxm_to_online_node > >> for this, or call both acpi_map_pxm_to_node and acpi_map_pxm_to_online_node > >> and compare the answers to verify we are getting the node we want? > > Where are we at with this? It'd be nice to resolve it for v4.21, but > > it's a little out of my comfort zone, so I don't want to apply it > > unless there's clear consensus that this is the right fix. > > I still think the fix in this patch sweeps the problem under the rug too > much. But, it just might be the best single fix for backports, for > instance. Sounds like we should first find the best fix, then worry about how to backport it. So I think we have a little more noodling to do, and I'll defer this for now. Bjorn