From: Jeremy Fitzhardinge Subject: Re: [PATCH 0 of 9] swiotlb: use phys_addr_t for pages Date: Sun, 28 Dec 2008 16:01:47 +1100 Message-ID: <4957083B.6090801@goop.org> References: <20081227104823.GI14639@elte.hu> <20081228000558I.fujita.tomonori@lab.ntt.co.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20081228000558I.fujita.tomonori@lab.ntt.co.jp> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: FUJITA Tomonori Cc: xen-devel@lists.xensource.com, ian.campbell@citrix.com, beckyb@kernel.crashing.org, x86@kernel.org, linux-kernel@vger.kernel.org, tony.luck@intel.com, mingo@elte.hu List-Id: xen-devel@lists.xenproject.org FUJITA Tomonori wrote: > Well, I asked Jeremy to use Becky's approach so I don't have though > this patchset isn't enough for Becky (possibly for Xen too) since > Jeremy didn't put Becky's map_single_page changes. These changes are > necessary to support map_map_page with highmem. I think that we can do > it simpler than his patch. I'll send patches to that in a different > way soon. > > It's not principal objection, but as I said, the patches to revert > Jeremy's highmem patches in this patchset like the following are > pointless. > I don't mind either way. I was hoping to go with something that I've actually tested, but I don't see any reason why Becky's patches won't work in principle for Xen. I'm on vacation at the moment, but I can test things out when I get back in a couple of weeks and apply whatever fixes are needed at whatever stage we're at then. J