From: Jeremy Fitzhardinge <jeremy@goop.org>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: mingo@elte.hu, linux-kernel@vger.kernel.org,
xen-devel@lists.xensource.com, x86@kernel.org,
ian.campbell@citrix.com, jbeulich@novell.com
Subject: Re: [PATCH 04 of 14] swiotlb: consistently use address_needs_mapping everywhere
Date: Wed, 17 Dec 2008 08:40:08 -0800 [thread overview]
Message-ID: <49492B68.7040509@goop.org> (raw)
In-Reply-To: <20081217113804F.fujita.tomonori@lab.ntt.co.jp>
FUJITA Tomonori wrote:
> On Tue, 16 Dec 2008 12:17:28 -0800
> Jeremy Fitzhardinge <jeremy@goop.org> wrote:
>
>
>> Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
>> ---
>> lib/swiotlb.c | 10 +++-------
>> 1 file changed, 3 insertions(+), 7 deletions(-)
>>
>
> This patch is wrong.
>
> dma_mask and coherent_dma_mask represent different restrictions.
>
> You can't use coherent_dma_mask for alloc_coherent.
>
OK. It looks like this patch is just an (erroneous) cleanup, so we can
drop it.
J
next prev parent reply other threads:[~2008-12-17 16:40 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-16 20:17 [PATCH 00 of 14] swiotlb/x86: lay groundwork for xen dom0 use of swiotlb Jeremy Fitzhardinge
2008-12-16 20:17 ` [PATCH 01 of 14] x86: remove unused iommu_nr_pages Jeremy Fitzhardinge
2008-12-16 20:17 ` [PATCH 02 of 14] swiotlb: allow architectures to override swiotlb pool allocation Jeremy Fitzhardinge
2008-12-16 20:17 ` [PATCH 03 of 14] swiotlb: move some definitions to header Jeremy Fitzhardinge
2008-12-16 20:17 ` [PATCH 04 of 14] swiotlb: consistently use address_needs_mapping everywhere Jeremy Fitzhardinge
2008-12-17 2:48 ` FUJITA Tomonori
2008-12-17 2:51 ` FUJITA Tomonori
2008-12-17 16:43 ` Ian Campbell
2008-12-17 16:40 ` Jeremy Fitzhardinge [this message]
2008-12-16 20:17 ` [PATCH 05 of 14] swiotlb: add comment where we handle the overflow of a dma mask on 32 bit Jeremy Fitzhardinge
2008-12-16 20:17 ` [PATCH 06 of 14] swiotlb: allow architectures to override phys<->bus<->phys conversions Jeremy Fitzhardinge
2008-12-16 20:17 ` [PATCH 07 of 14] swiotlb: add arch hook to force mapping Jeremy Fitzhardinge
2008-12-22 5:34 ` FUJITA Tomonori
2008-12-16 20:17 ` [PATCH 08 of 14] swiotlb: factor out copy to/from device Jeremy Fitzhardinge
2008-12-16 20:17 ` [PATCH 09 of 14] swiotlb: support bouncing of HighMem pages Jeremy Fitzhardinge
2008-12-17 2:48 ` FUJITA Tomonori
2008-12-16 20:17 ` [PATCH 10 of 14] swiotlb: consolidate swiotlb info message printing Jeremy Fitzhardinge
2008-12-16 20:17 ` [PATCH 11 of 14] x86: add swiotlb allocation functions Jeremy Fitzhardinge
2008-12-16 20:17 ` [PATCH 12 of 14] x86: unify pci iommu setup and allow swiotlb to compile for 32 bit Jeremy Fitzhardinge
2008-12-16 20:17 ` [PATCH 13 of 14] x86/swiotlb: add default phys<->bus conversion Jeremy Fitzhardinge
2008-12-16 20:17 ` [PATCH 14 of 14] x86/swiotlb: add default swiotlb_arch_range_needs_mapping Jeremy Fitzhardinge
2008-12-16 20:35 ` [PATCH 00 of 14] swiotlb/x86: lay groundwork for xen dom0 use of swiotlb Ingo Molnar
2008-12-17 5:25 ` FUJITA Tomonori
2008-12-17 8:47 ` [PATCH 00 of 14] swiotlb/x86: lay groundwork for xen dom0 useof swiotlb Jan Beulich
2008-12-17 16:51 ` FUJITA Tomonori
2008-12-17 16:31 ` [PATCH 00 of 14] swiotlb/x86: lay groundwork for xen dom0 use of swiotlb Jeremy Fitzhardinge
2008-12-17 16:56 ` FUJITA Tomonori
2008-12-17 18:58 ` Jeremy Fitzhardinge
2008-12-18 13:23 ` Ingo Molnar
2008-12-18 15:45 ` FUJITA Tomonori
2008-12-18 18:17 ` Becky Bruce
2008-12-18 20:09 ` Jeremy Fitzhardinge
2008-12-18 21:02 ` Ingo Molnar
2008-12-19 5:03 ` Becky Bruce
2008-12-19 7:02 ` Jeremy Fitzhardinge
2008-12-19 14:25 ` Becky Bruce
2008-12-19 17:48 ` Jeremy Fitzhardinge
2008-12-19 5:11 ` swiotlb highmem for ppc series Becky Bruce
2008-12-19 5:16 ` Becky Bruce
2008-12-19 5:11 ` [PATCH 01/11] swiotlb: Drop SG_ENT_VIRT_ADDRESS macro Becky Bruce
2008-12-19 5:11 ` [PATCH 02/11] swiotlb: Allow arch to provide address_needs_mapping Becky Bruce
2008-12-19 5:11 ` [PATCH 03/11] swiotlb: Rename SG_ENT_PHYS_ADDRESS to SG_ENT_BUS_ADDRESS Becky Bruce
2008-12-19 5:11 ` [PATCH 04/11] swiotlb: Print physical addr instead of bus addr in info printks Becky Bruce
2008-12-19 5:11 ` [PATCH 05/11] swiotlb: Create virt to/from dma_addr and phys_to_dma_addr funcs Becky Bruce
2008-12-19 5:11 ` [PATCH 06/11] swiotlb: Store phys address in io_tlb_orig_addr array Becky Bruce
2008-12-19 17:39 ` Jeremy Fitzhardinge
2008-12-22 5:34 ` FUJITA Tomonori
2008-12-19 5:11 ` [PATCH 07/11] swiotlb: Add support for systems with highmem Becky Bruce
2008-12-19 17:46 ` Jeremy Fitzhardinge
2008-12-19 18:12 ` Becky Bruce
2008-12-19 5:11 ` [PATCH 08/11] ia64/x86/swiotlb: use enum dma_data_direciton in dma_ops Becky Bruce
2008-12-19 5:11 ` [PATCH 09/11] swiotlb: add swiotlb_map/unmap_page Becky Bruce
2008-12-19 2:47 ` [PATCH 00 of 14] swiotlb/x86: lay groundwork for xen dom0 use of swiotlb FUJITA Tomonori
2008-12-19 8:18 ` Ingo Molnar
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