Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754080Ab3IEPV7 (ORCPT ); Thu, 5 Sep 2013 11:21:59 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35103 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753919Ab3IEPV4 (ORCPT ); Thu, 5 Sep 2013 11:21:56 -0400 Date: Thu, 5 Sep 2013 17:23:53 +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 4/6] AHCI: Conserve interrupts with pci_enable_msi_block_part() interface Message-ID: <20130905152352.GB30984@dhcp-26-207.brq.redhat.com> References: <20130905131050.GB26314@htj.dyndns.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130905131050.GB26314@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: 735 Lines: 22 On Thu, Sep 05, 2013 at 09:10:50AM -0400, Tejun Heo wrote: > One more question tho. How much does saving some interrupt vectors > matter? Are int vectors contrained resource on some configurations? Honestly, I am not aware of any configuration struggling with interrupt vectors. However, conserving on x86 interrupt vector space is always a good idea IMO. Also, PPC pSeries has a concept of MSI quota, so.. > 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/