Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935013Ab3IDO6B (ORCPT ); Wed, 4 Sep 2013 10:58:01 -0400 Received: from mail-qa0-f54.google.com ([209.85.216.54]:44680 "EHLO mail-qa0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934731Ab3IDO56 (ORCPT ); Wed, 4 Sep 2013 10:57:58 -0400 Date: Wed, 4 Sep 2013 10:57:43 -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 0/4] AHCI: Conserve interrupts with pci_enable_msi_block_part() interface Message-ID: <20130904145743.GC25788@mtj.dyndns.org> References: <20130903135541.GB10522@htj.dyndns.org> <20130903140954.GC10522@htj.dyndns.org> <20130904123238.GC8726@dhcp-26-207.brq.redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130904123238.GC8726@dhcp-26-207.brq.redhat.com> 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: 806 Lines: 21 Hello, On Wed, Sep 04, 2013 at 02:32:39PM +0200, Alexander Gordeev wrote: > Hmm.. that is actually a great idea. What I am not sure about whether is > a dummy port still can send (spurious?) interrupts? The hardware interrupt > handler would have to be reworked then. Seems as a yet another topic to me ;) Only unimplemented ports are assigned to be dummies and it's highly unlikely that they'll generate spurious interrupts. That said, I think it'd be a good idea to be ready for that if that doesn't add too much complexity / overhead. 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/