From: Jeremy Fitzhardinge <jeremy@goop.org>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: mingo@elte.hu, tony.luck@intel.com, linux-kernel@vger.kernel.org,
xen-devel@lists.xensource.com, x86@kernel.org,
ian.campbell@citrix.com, beckyb@kernel.crashing.org
Subject: Re: [PATCH 0 of 9] swiotlb: use phys_addr_t for pages
Date: Sun, 28 Dec 2008 16:01:47 +1100 [thread overview]
Message-ID: <4957083B.6090801@goop.org> (raw)
In-Reply-To: <20081228000558I.fujita.tomonori@lab.ntt.co.jp>
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
WARNING: multiple messages have this Message-ID (diff)
From: Jeremy Fitzhardinge <jeremy@goop.org>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
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
Subject: Re: [PATCH 0 of 9] swiotlb: use phys_addr_t for pages
Date: Sun, 28 Dec 2008 16:01:47 +1100 [thread overview]
Message-ID: <4957083B.6090801@goop.org> (raw)
In-Reply-To: <20081228000558I.fujita.tomonori@lab.ntt.co.jp>
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
next prev parent reply other threads:[~2008-12-28 5:02 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-22 18:26 [PATCH 0 of 9] swiotlb: use phys_addr_t for pages Jeremy Fitzhardinge
2008-12-22 18:26 ` [PATCH 1 of 9] revert "swiotlb: support bouncing of HighMem pages." Jeremy Fitzhardinge
2008-12-22 18:26 ` [PATCH 2 of 9] revert "swiotlb: factor out copy to/from device." Jeremy Fitzhardinge
2008-12-22 18:26 ` Jeremy Fitzhardinge
2008-12-22 18:26 ` [PATCH 3 of 9] swiotlb: add hwdev to swiotlb_phys_to_bus Jeremy Fitzhardinge
2008-12-22 18:26 ` [PATCH 4 of 9] swiotlb: Drop SG_ENT_VIRT_ADDRESS macro Jeremy Fitzhardinge
2008-12-22 18:26 ` Jeremy Fitzhardinge
2008-12-22 18:26 ` [PATCH 5 of 9] swiotlb: Rename SG_ENT_PHYS_ADDRESS to SG_ENT_BUS_ADDRESS Jeremy Fitzhardinge
2008-12-22 18:26 ` [PATCH 6 of 9] swiotlb: Store phys address in io_tlb_orig_addr array Jeremy Fitzhardinge
2008-12-22 18:26 ` [PATCH 7 of 9] swiotlb: Add support for systems with highmem Jeremy Fitzhardinge
2008-12-22 18:26 ` Jeremy Fitzhardinge
2008-12-22 18:26 ` [PATCH 8 of 9] swiotlb: cleanups to swiotlb_bounce() Jeremy Fitzhardinge
2008-12-22 18:26 ` [PATCH 9 of 9] ia64/x86/swiotlb: use enum dma_data_direciton in dma_ops Jeremy Fitzhardinge
2008-12-22 18:43 ` [PATCH 0 of 9] swiotlb: use phys_addr_t for pages FUJITA Tomonori
2008-12-27 10:48 ` Ingo Molnar
2008-12-27 10:48 ` Ingo Molnar
2008-12-27 15:06 ` FUJITA Tomonori
2008-12-28 5:01 ` Jeremy Fitzhardinge [this message]
2008-12-28 5:01 ` Jeremy Fitzhardinge
2008-12-28 9:50 ` Ingo Molnar
2008-12-27 16:44 ` FUJITA Tomonori
2008-12-27 16:56 ` Ingo Molnar
2008-12-27 16:56 ` Ingo Molnar
2008-12-27 17:03 ` FUJITA Tomonori
2008-12-28 5:29 ` FUJITA Tomonori
2008-12-28 7:30 ` Christoph Hellwig
2008-12-28 9:36 ` FUJITA Tomonori
2008-12-28 21:37 ` Benjamin Herrenschmidt
2008-12-28 9:37 ` Ingo Molnar
2008-12-28 9:37 ` Ingo Molnar
2008-12-28 10:02 ` FUJITA Tomonori
2008-12-28 10:34 ` Ingo Molnar
2008-12-28 10:34 ` Ingo Molnar
2008-12-28 11:00 ` FUJITA Tomonori
2008-12-28 11:56 ` Ingo Molnar
2008-12-28 11:56 ` Ingo Molnar
2008-12-28 12:34 ` FUJITA Tomonori
2008-12-28 12:49 ` Ingo Molnar
2008-12-28 12:49 ` Ingo Molnar
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