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=-2.5 required=3.0 tests=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 391D3C43381 for ; Tue, 19 Feb 2019 16:13:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 036E72183F for ; Tue, 19 Feb 2019 16:13:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728490AbfBSQNE (ORCPT ); Tue, 19 Feb 2019 11:13:04 -0500 Received: from mga18.intel.com ([134.134.136.126]:4902 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728312AbfBSQNE (ORCPT ); Tue, 19 Feb 2019 11:13:04 -0500 X-Amp-Result: UNSCANNABLE X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 19 Feb 2019 08:13:03 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,388,1544515200"; d="scan'208";a="320290226" Received: from unknown (HELO localhost.localdomain) ([10.232.112.69]) by fmsmga006.fm.intel.com with ESMTP; 19 Feb 2019 08:13:00 -0800 Date: Tue, 19 Feb 2019 09:12:57 -0700 From: Keith Busch To: =?utf-8?B?6ZmI5Y2O5omN?= Cc: Thomas Gleixner , Huacai Chen , Bjorn Helgaas , Jens Axboe , Sagi Grimberg , linux-pci , LKML , linux-nvme , Ming Lei , linux-block , Christoph Hellwig Subject: Re: [PATCH V3 1/5] genirq/affinity: don't mark 'affd' as const Message-ID: <20190219161256.GA16341@localhost.localdomain> References: <20190213105041.13537-2-ming.lei@redhat.com> <20190213150407.GB96272@google.com> <20190213213149.GB8027@localhost.localdomain> <20190213223711.GC8027@localhost.localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.9.1 (2017-09-22) Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Mon, Feb 18, 2019 at 04:42:27PM -0800, 陈华才 wrote: > I've tested, this patch can fix the nvme problem, but it can't be applied > to 4.19 because of different context. And, I still think my original solution > (genirq/affinity: Assign default affinity to pre/post vectors) is correct. > There may be similar problems except nvme. I'll send a proper patch to fix the warning. It's always a driver bug if they try to extract affinity from a non-managed irq, but I don't think this particular nvme instance is very urgent as the end result is the same, just without the warning.