Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754049Ab3IEPis (ORCPT ); Thu, 5 Sep 2013 11:38:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:34575 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752206Ab3IEPiq (ORCPT ); Thu, 5 Sep 2013 11:38:46 -0400 Date: Thu, 5 Sep 2013 17:40:42 +0200 From: Alexander Gordeev To: Tejun Heo Cc: linux-kernel@vger.kernel.org, x86@kernel.org, linux-pci@vger.kernel.org, linux-ide@vger.kernel.org, Ingo Molnar , Joerg Roedel , Jan Beulich , Bjorn Helgaas Subject: Re: [PATCH v2 2/6] PCI/MSI: Factor out pci_get_msi_cap() interface Message-ID: <20130905154041.GD30984@dhcp-26-207.brq.redhat.com> References: <20130905130902.GA26314@htj.dyndns.org> <20130905150259.GA30984@dhcp-26-207.brq.redhat.com> <20130905150442.GA24148@htj.dyndns.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130905150442.GA24148@htj.dyndns.org> 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: 778 Lines: 23 On Thu, Sep 05, 2013 at 11:04:42AM -0400, Tejun Heo wrote: > The thing is, do we even have cases where arch code returns positive > return to indicate possible partial allocation? If not, the whole > interface is convoluted for no good reason and we can just make > everything return 0 or -errno, which is a lot simpler. No? As I mentioned in my other note, at least PPC has a concept of MSI quota, so exceeding it would be the very case, I believe. > Thanks. > > -- > tejun -- Regards, Alexander Gordeev agordeev@redhat.com -- 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/