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From: Joerg Roedel <joro@8bytes.org>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: mingo@elte.hu, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] replace CONFIG_IOMMU with CONFIG_GART_IOMMU in iommu.h
Date: Sat, 19 Jul 2008 14:49:13 +0200	[thread overview]
Message-ID: <20080719124913.GG31439@8bytes.org> (raw)
In-Reply-To: <20080719211303J.tomof@acm.org>

On Sat, Jul 19, 2008 at 09:12:56PM +0900, FUJITA Tomonori wrote:
> 
> I think that we need a common header file (iommu.h or whatever) for
> what everyone needs, pci_iommu_shutdown(), no_iommu_init(), etc.
> 
> Anyway, I did more cleanups:
> 
> http://lkml.org/lkml/2008/7/10/510
> 
> or
> 
> tip/x86/gart
> 
> Let me know if you think we still need cleanups.

Now that you ask, I think the x86 DMA layer in general needs some rework
and cleanup. The implementation specific free_coherent function is never
called at the moment for example. For paravirtualized DMA we also need
some kind of stackable dma_ops according to Amit.

Joerg


  reply	other threads:[~2008-07-19 12:49 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-09  7:29 [PATCH] replace CONFIG_IOMMU with CONFIG_GART_IOMMU in iommu.h FUJITA Tomonori
2008-07-09  8:52 ` Ingo Molnar
2008-07-09 23:27   ` FUJITA Tomonori
2008-07-10  8:43     ` Ingo Molnar
2008-07-18 11:31 ` Joerg Roedel
2008-07-19 12:12   ` FUJITA Tomonori
2008-07-19 12:49     ` Joerg Roedel [this message]
2008-07-19 13:17       ` FUJITA Tomonori

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