From: Joerg Roedel <joro@8bytes.org>
To: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: joerg.roedel@amd.com, netdev@vger.kernel.org, tglx@linutronix.de,
mingo@redhat.com, linux-kernel@vger.kernel.org,
iommu@lists.linux-foundation.org
Subject: Re: [PATCH 0/10] DMA-API debugging facility
Date: Sat, 22 Nov 2008 10:29:04 +0100 [thread overview]
Message-ID: <20081122092904.GF29705@8bytes.org> (raw)
In-Reply-To: <20081122115802K.fujita.tomonori@lab.ntt.co.jp>
On Sat, Nov 22, 2008 at 12:27:39PM +0900, FUJITA Tomonori wrote:
> On Fri, 21 Nov 2008 17:26:00 +0100
> Joerg Roedel <joerg.roedel@amd.com> wrote:
>
> > Hi,
> >
> > 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.
>
> Especially? Have you met dma similar bugs with storage (scsi, etc)
> drivers?
No. For me the code only triggered network card drivers. Namely the
ixgbe, tg3 and bnx2 driver.
>
> > This way driver developers get an idea where the problem is in their
> > code.
> >
> > Please review and send any objections or, if there are none, consider
> > for inclusion ;)
>
> This should be architecture independent code. Except for that, it
> looks very useful.
Thanks,
Joerg
prev parent reply other threads:[~2008-11-22 9:29 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
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 [this message]
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