Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756401Ab3JGSKz (ORCPT ); Mon, 7 Oct 2013 14:10:55 -0400 Received: from mail-ye0-f180.google.com ([209.85.213.180]:35200 "EHLO mail-ye0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753491Ab3JGSKs (ORCPT ); Mon, 7 Oct 2013 14:10:48 -0400 Date: Mon, 7 Oct 2013 14:10:43 -0400 From: Tejun Heo To: Alexander Gordeev Cc: linux-kernel@vger.kernel.org, Bjorn Helgaas , Ralf Baechle , Michael Ellerman , Benjamin Herrenschmidt , Martin Schwidefsky , Ingo Molnar , Dan Williams , Andy King , Jon Mason , Matt Porter , linux-pci@vger.kernel.org, linux-mips@linux-mips.org, linuxppc-dev@lists.ozlabs.org, linux390@de.ibm.com, linux-s390@vger.kernel.org, x86@kernel.org, linux-ide@vger.kernel.org, iss_storagedev@hp.com, linux-nvme@lists.infradead.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, e1000-devel@lists.sourceforge.net, linux-driver@qlogic.com, Solarflare linux maintainers , "VMware, Inc." , linux-scsi@vger.kernel.org Subject: Re: [PATCH RFC 05/77] PCI/MSI: Convert pci_msix_table_size() to a public interface Message-ID: <20131007181043.GA27396@htj.dyndns.org> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 917 Lines: 25 Hello, On Wed, Oct 02, 2013 at 12:48:21PM +0200, Alexander Gordeev wrote: > Make pci_msix_table_size() to return a error code if the device > does not support MSI-X. This update is needed to facilitate a > forthcoming re-design MSI/MSI-X interrupts enabling pattern. > > Device drivers will use this interface to obtain maximum number > of MSI-X interrupts the device supports and use that value in > the following call to pci_enable_msix() interface. > > Signed-off-by: Alexander Gordeev Hmmm... I probably missed something but why is this necessary? To discern between -EINVAL and -ENOSPC? If so, does that really matter? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/