Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S271045AbTHLSZy (ORCPT ); Tue, 12 Aug 2003 14:25:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S271080AbTHLSZx (ORCPT ); Tue, 12 Aug 2003 14:25:53 -0400 Received: from [66.212.224.118] ([66.212.224.118]:7175 "EHLO hemi.commfireservices.com") by vger.kernel.org with ESMTP id S271045AbTHLSZw (ORCPT ); Tue, 12 Aug 2003 14:25:52 -0400 Date: Tue, 12 Aug 2003 14:14:01 -0400 (EDT) From: Zwane Mwaikambo X-X-Sender: zwane@montezuma.mastecende.com To: "Nguyen, Tom L" Cc: Greg KH , long , "Nakajima, Jun" , linux-kernel@vger.kernel.org Subject: RE: Updated MSI Patches In-Reply-To: Message-ID: References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 846 Lines: 20 On Tue, 12 Aug 2003, Nguyen, Tom L wrote: > > IMO Multiplexing would be preferred, we can't be allocating that many > > vectors for one device/device driver > All pre-assigned vectors to all enabled IOxAPIC(s) are reserved. > Allocating additional vectors to MSI-X driver is determined based on the > available vectors, which must be greater than the number of vectors requested > by MSI-X driver. Hmm can you avoid grabbing all the free vectors? I think the irq controller subsystem should handle allocation of vectors. Letting MSI grab everything might leave us with problems later on. Zwane - 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/