From mboxrd@z Thu Jan 1 00:00:00 1970 From: "John W. Linville" Date: Fri, 23 Sep 2005 18:50:23 +0000 Subject: Re: [patch 2.6.13 0/6] swiotlb maintenance and x86_64 dma_sync_single_range_for_{cpu,device} Message-Id: <20050923185021.GC6576@tuxdriver.com> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: "Luck, Tony" Cc: Christoph Hellwig , linux-kernel@vger.kernel.org, discuss@x86-64.org, linux-ia64@vger.kernel.org, ak@suse.de, "Mallick, Asit K" On Fri, Sep 23, 2005 at 11:27:26AM -0700, Luck, Tony wrote: > >> It should just go away once the GFP_DMA32 code is merged. > > > >Is that the plan? I suppose it makes sense. > I don't have a good (or in fact any) understanding of the impact > of GFP_DMA32 on ia64. People tell me it will all be good, but I'd > like to hear from someone running it. All the patches I saw were for x86_64. So, the impact on ia64 should be minimal... :-) > If it is good, and if it is coming soon, then there is no point > moving swiotlb. But I don't know the answers to either of those > questions. The xen guys have an swiotlb implementation, although theres differs somewhat. Perhaps if we moved it out from under ia64, the two could be consolidated? John -- John W. Linville linville@tuxdriver.com