Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752563AbZAEClj (ORCPT ); Sun, 4 Jan 2009 21:41:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752000AbZAECl1 (ORCPT ); Sun, 4 Jan 2009 21:41:27 -0500 Received: from sh.osrg.net ([192.16.179.4]:47741 "EHLO sh.osrg.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751990AbZAECl0 (ORCPT ); Sun, 4 Jan 2009 21:41:26 -0500 Date: Mon, 5 Jan 2009 11:40:52 +0900 To: jeremy@goop.org Cc: mingo@elte.hu, fujita.tomonori@lab.ntt.co.jp, beckyb@kernel.crashing.org, jj@chaosbits.net, weiyi.huang@gmail.com, linux-kernel@vger.kernel.org, Ian.Campbell@citrix.com Subject: Re: swiotlb: remove duplicated #include From: FUJITA Tomonori In-Reply-To: <49613CC4.1000000@goop.org> References: <20090104214109A.fujita.tomonori@lab.ntt.co.jp> <20090104130113.GA24506@elte.hu> <49613CC4.1000000@goop.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-Id: <20090105114050Z.fujita.tomonori@lab.ntt.co.jp> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2007 Lines: 42 On Mon, 05 Jan 2009 09:48:36 +1100 Jeremy Fitzhardinge wrote: > Ingo Molnar wrote: > > * FUJITA Tomonori wrote: > > > > > >>> In a few days, but wanted to hear back from either Jeremy or Becky > >>> first about how well they actually work in their usecases. > >>> > >> Well, you don't need to wait, I think. > >> > >> All Jeremy and Becky need is adding highmem support to swiotlb. How we > >> support it doesn't matter. We can choose better one. > >> > >> We all (including Jeremy) agreed that Becky's physical address scheme is > >> better (simpler) than Jeremy's struct page and offset scheme. Surely, > >> Becky's scheme works for Xen and him (Jeremy said that he tested it > >> lightly). > >> > > > > Jeremy said, when he submitted this series, shortly before Christmas: > > > > >> Here's a work in progress series [...] > > >> > > >> Quick testing showed no problems, but I haven't had the chance to do > > >> anything extensive. > > > > Jeremy, did you have a chance to do more testing with the current > > tip/master bits on Xen, so that we can push it to Linus? > > > > I'm going to be on vacation until the 12th, so I won't have a chance to > do anything until then (perhaps Ian will have a chance to poke at them > before then). I'm expecting Becky's patches to work as-is, or if not, > be easily fixed with a couple of small bugfix patches. So I say go > ahead if they work for everyone else. Yeah, technically, Becky's scheme should work for Xen. We already decided to go with his scheme. So it's better to push his patchset to mainline now to make sure it doesn't break the existing swiotlb users rather than keeping and testing the code that we will replace. -- 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/