Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964824AbWHCRhI (ORCPT ); Thu, 3 Aug 2006 13:37:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964825AbWHCRhI (ORCPT ); Thu, 3 Aug 2006 13:37:08 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:52355 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S964824AbWHCRhH (ORCPT ); Thu, 3 Aug 2006 13:37:07 -0400 Subject: Re: [PATCH 2.4.32] Fix AVM C4 ISDN card init problems with newer CPUs From: Alan Cox To: Jukka Partanen Cc: kkeil@suse.de, linux-kernel@vger.kernel.org In-Reply-To: References: Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Thu, 03 Aug 2006 18:56:15 +0100 Message-Id: <1154627776.23655.106.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.2 (2.6.2-1.fc5.5) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 703 Lines: 17 Ar Iau, 2006-08-03 am 19:53 +0300, ysgrifennodd Jukka Partanen: > AVM C4 ISDN NIC: Add three memory barriers, taken from 2.6.7, > (they are there in 2.6.17.7 too), to fix module initialization > problems appearing with at least some newer Celerons and > Pentium III. Should be using cpu_relax() I think. Its a polled busy loop so you want other CPU threads to run if possible. Otherwise the code seems quite logical depending how c4inmeml is defined. Alan - 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/