Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753246Ab3IENK4 (ORCPT ); Thu, 5 Sep 2013 09:10:56 -0400 Received: from mail-qe0-f52.google.com ([209.85.128.52]:38611 "EHLO mail-qe0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752568Ab3IENKy (ORCPT ); Thu, 5 Sep 2013 09:10:54 -0400 Date: Thu, 5 Sep 2013 09:10:50 -0400 From: Tejun Heo To: Alexander Gordeev 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: <20130905131050.GB26314@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: 743 Lines: 23 Hello, On Thu, Sep 05, 2013 at 02:53:47PM +0200, Alexander Gordeev wrote: > Make use of the new pci_enable_msi_block_part() interface > and conserve on othewise wasted interrupt resources for 10 > of 16 unused MSI vectors on Intel chipsets. > > Signed-off-by: Alexander Gordeev Acked-by: Tejun Heo One more question tho. How much does saving some interrupt vectors matter? Are int vectors contrained resource on some configurations? 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/