Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S271808AbTHNXq6 (ORCPT ); Thu, 14 Aug 2003 19:46:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S275213AbTHNXq5 (ORCPT ); Thu, 14 Aug 2003 19:46:57 -0400 Received: from fmr06.intel.com ([134.134.136.7]:24036 "EHLO caduceus.jf.intel.com") by vger.kernel.org with ESMTP id S271808AbTHNXq4 convert rfc822-to-8bit (ORCPT ); Thu, 14 Aug 2003 19:46:56 -0400 Content-Class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-MimeOLE: Produced By Microsoft Exchange V6.0.6375.0 Subject: RE: Updated MSI Patches Date: Thu, 14 Aug 2003 16:46:45 -0700 Message-ID: X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Updated MSI Patches Thread-Index: AcNg/yor4H3QUsxSRSCKPTyu1XnoOgBvrPMw From: "Nguyen, Tom L" To: "Zwane Mwaikambo" Cc: "Greg KH" , "long" , "Nakajima, Jun" , X-OriginalArrivalTime: 14 Aug 2003 23:46:45.0968 (UTC) FILETIME=[523F1500:01C362BE] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1002 Lines: 23 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. Good point. Thanks! we are studying the policy, which ensures that no MSI-X can grab everything from others. Will post this changes after done ... Thanks, Long - 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/