Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 12 Jun 2002 08:09:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 12 Jun 2002 08:09:04 -0400 Received: from mailout04.sul.t-online.com ([194.25.134.18]:55754 "EHLO mailout04.sul.t-online.com") by vger.kernel.org with ESMTP id convert rfc822-to-8bit; Wed, 12 Jun 2002 08:09:03 -0400 Content-Type: text/plain; charset=US-ASCII From: Oliver Neukum To: "David S. Miller" , wjhun@ayrnetworks.com Subject: Re: PCI DMA to small buffers on cache-incoherent arch Date: Wed, 12 Jun 2002 14:08:26 +0200 User-Agent: KMail/1.4.1 Cc: paulus@samba.org, roland@topspin.com, linux-kernel@vger.kernel.org In-Reply-To: <15619.9534.521209.93822@nanango.paulus.ozlabs.org> <20020610110740.B30336@ayrnetworks.com> <20020612.044759.115989376.davem@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Message-Id: <200206121408.26897.oliver@neukum.name> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Am Mittwoch, 12. Juni 2002 13:47 schrieb David S. Miller: > From: William Jhun > Date: Mon, 10 Jun 2002 11:07:40 -0700 > > On Sun, Jun 09, 2002 at 09:27:05PM -0700, David S. Miller wrote: > > I'm trying to specify this such that knowledge of cachelines and > > whatnot don't escape the arch specific code, ho hum... Looks like > > that isn't possible. > > Perhaps provide macros in asm/pci.h that will: > > You don't understand, I think. I want to avoid the drivers doing > any of the "align this, align that" stuff. I want the allocation > to do it for them, that way the code is in one place. That means that all buffers must be allocated seperately. Is it worth that ? How about skbuffs ? Regards Oliver - 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/