From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754668AbdHVGfJ (ORCPT ); Tue, 22 Aug 2017 02:35:09 -0400 Received: from verein.lst.de ([213.95.11.211]:37257 "EHLO newverein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754591AbdHVGfH (ORCPT ); Tue, 22 Aug 2017 02:35:07 -0400 Date: Tue, 22 Aug 2017 08:35:05 +0200 From: Christoph Hellwig To: David Miller Cc: mroos@linux.ee, hch@lst.de, helgaas@kernel.org, sparclinux@vger.kernel.org, linux-pci@vger.kernel.org, qla2xxx-upstream@qlogic.com, linux-kernel@vger.kernel.org Subject: Re: 4.13.0-rc4 sparc64: can't allocate MSI-X affinity masks for 2 vectors Message-ID: <20170822063505.GA6721@lst.de> References: <20170821.112747.1532639515902173100.davem@davemloft.net> <20170821183458.GA23205@lst.de> <20170821.133549.1817020810110297960.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170821.133549.1817020810110297960.davem@davemloft.net> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 21, 2017 at 01:35:49PM -0700, David Miller wrote: > I ask because the commit log message indicates that this failure is > not expected to ever happen on SMP. I fear my commit message (but not the code) might be wrong. irq_create_affinity_masks can return NULL any time we don't have any affinity masks. I've already had a discussion about this elsewhere with Bjorn, and I suspect we need to kill the warning or move it to irq_create_affinity_masks only for genuine failure cases. > > We really need to root cause this. ---end quoted text---