From: Joerg Roedel <joerg.roedel@amd.com>
To: David Woodhouse <dwmw2@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>,
Thomas Gleixner <tglx@linutronix.de>,
netdev@vger.kernel.org, iommu@lists.linux-foundation.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/10] DMA-API debugging facility
Date: Fri, 21 Nov 2008 17:57:22 +0100 [thread overview]
Message-ID: <20081121165722.GD1386@amd.com> (raw)
In-Reply-To: <1227286492.4901.208.camel@macbook.infradead.org>
On Fri, Nov 21, 2008 at 04:54:52PM +0000, David Woodhouse wrote:
> On Fri, 2008-11-21 at 17:26 +0100, Joerg Roedel wrote:
> > this patchset introduces code to debug drivers usage of the DMA-API.
> > Tests with hardware IOMMUs have shown several bugs in drivers
> > regarding the usage of that API.
> > Problems were found especially in network card drivers.
>
> This is really useful -- but surely it shouldn't be x86-specific?
>
> All the code except the hooks in the architecture's dma_map_single() et
> al functions could be generic, couldn't it?
Yes, in principle we could move most of it to generic code. There is
nothing architecture specific in it.
Anybody who prefers this to be arch/x86 before moving it to lib/?
Joerg
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next prev parent reply other threads:[~2008-11-21 16:57 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-21 16:26 [PATCH 0/10] DMA-API debugging facility Joerg Roedel
2008-11-21 16:26 ` [PATCH 01/10] x86: add Kconfig entry for DMA-API debugging Joerg Roedel
2008-11-21 16:40 ` Ingo Molnar
2008-11-21 16:48 ` Joerg Roedel
2008-11-21 23:18 ` David Miller
2008-11-21 16:26 ` [PATCH 02/10] x86: add data structures " Joerg Roedel
2008-11-21 16:42 ` Ingo Molnar
2008-11-21 16:49 ` Joerg Roedel
2008-11-21 16:26 ` [PATCH 03/10] x86: add initialization code " Joerg Roedel
2008-11-21 16:56 ` Ingo Molnar
2008-11-21 17:10 ` Joerg Roedel
2008-11-21 17:19 ` Ingo Molnar
2008-11-21 17:27 ` Ingo Molnar
2008-11-21 17:43 ` Ingo Molnar
2008-11-22 9:48 ` Joerg Roedel
2008-11-23 11:28 ` Ingo Molnar
2008-11-23 11:35 ` Ingo Molnar
2008-11-23 13:04 ` Ingo Molnar
2008-11-22 3:27 ` FUJITA Tomonori
2008-11-22 9:40 ` Joerg Roedel
2008-11-22 10:16 ` FUJITA Tomonori
2008-11-22 12:28 ` FUJITA Tomonori
2008-11-23 19:36 ` Andi Kleen
2008-11-21 16:26 ` [PATCH 04/10] x86: add helper functions for consistency checks Joerg Roedel
2008-11-21 17:07 ` Ingo Molnar
2008-11-21 16:26 ` [PATCH 05/10] x86: add check code for map/unmap_single code Joerg Roedel
2008-11-22 3:27 ` FUJITA Tomonori
2008-11-22 9:39 ` Joerg Roedel
2008-11-21 16:26 ` [PATCH 06/10] x86: add check code for map/unmap_sg code Joerg Roedel
2008-11-21 16:58 ` Ingo Molnar
2008-11-21 17:10 ` Ingo Molnar
2008-11-21 16:26 ` [PATCH 07/10] x86: add checks for alloc/free_coherent code Joerg Roedel
2008-11-21 16:57 ` Ingo Molnar
2008-11-22 3:27 ` FUJITA Tomonori
2008-11-22 9:38 ` Joerg Roedel
2008-11-21 16:26 ` [PATCH 08/10] x86: add checks for sync_single* code Joerg Roedel
2008-11-21 16:26 ` [PATCH 09/10] x86: add checks for sync_single_range* code Joerg Roedel
2008-11-21 16:26 ` [PATCH 10/10] x86: add checks for sync_sg* code Joerg Roedel
2008-11-21 16:59 ` Ingo Molnar
2008-11-21 16:37 ` [PATCH 0/10] DMA-API debugging facility Ingo Molnar
2008-11-21 16:40 ` Joerg Roedel
2008-11-21 16:52 ` Joerg Roedel
2008-11-21 16:54 ` David Woodhouse
2008-11-21 16:57 ` Joerg Roedel [this message]
2008-11-21 17:03 ` Ingo Molnar
2008-11-21 17:06 ` David Woodhouse
2008-11-21 17:18 ` Ingo Molnar
2008-11-21 17:20 ` Joerg Roedel
2008-11-21 17:24 ` David Woodhouse
2008-11-21 17:27 ` Joerg Roedel
2008-11-21 17:45 ` Ingo Molnar
2008-11-22 3:27 ` FUJITA Tomonori
2008-11-22 9:33 ` Joerg Roedel
2008-11-22 10:16 ` FUJITA Tomonori
2009-02-05 22:44 ` David Woodhouse
2009-02-25 8:11 ` David Woodhouse
2009-07-01 13:19 ` [PATCH] Support DMA-API debugging facility on PowerPC David Woodhouse
2009-07-01 14:00 ` Christoph Hellwig
2009-07-01 18:34 ` Joerg Roedel
2009-07-02 14:09 ` Kumar Gala
2008-11-21 17:22 ` [PATCH 0/10] DMA-API debugging facility David Woodhouse
2008-11-22 3:27 ` FUJITA Tomonori
2008-11-22 9:29 ` Joerg Roedel
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