From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCH 0/4] AHCI: Conserve interrupts with pci_enable_msi_block_part() interface Date: Wed, 4 Sep 2013 10:57:43 -0400 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 Return-path: Content-Disposition: inline In-Reply-To: <20130904123238.GC8726@dhcp-26-207.brq.redhat.com> Sender: linux-pci-owner@vger.kernel.org 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 List-Id: linux-ide@vger.kernel.org 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