From: David Woodhouse <dwmw2@infradead.org>
To: Joerg Roedel <joerg.roedel@amd.com>
Cc: mingo@redhat.com, linux-kernel@vger.kernel.org,
fujita.tomonori@lab.ntt.co.jp, iommu@lists.linux-foundation.org,
davem@davemloft.net
Subject: Re: [PATCH 08/16] dma-debug: add core checking functions
Date: Thu, 05 Feb 2009 21:07:59 +0000 [thread overview]
Message-ID: <1233868079.3548.699.camel@macbook.infradead.org> (raw)
In-Reply-To: <1232376423-11067-9-git-send-email-joerg.roedel@amd.com>
On Mon, 2009-01-19 at 15:46 +0100, Joerg Roedel wrote:
>
> + if (ref->type != entry->type) {
> + err_printk(ref->dev, "DMA-API: device driver frees "
> + "DMA memory with wrong function "
> + "[device address=0x%016llx] [size=%llu bytes] "
> + "[mapped as %s] [unmapped as %s]\n",
> + ref->dev_addr, ref->size,
> + type2name[entry->type], type2name[ref->type]);
e1000e 0000:00:19.0: DMA-API: device driver frees DMA memory with wrong
function [device address=0x00000000ffedc002] [size=90 bytes] [mapped as
single] [unmapped as page]
<davem> That debug check is excessive, substituting those two things
works for every DMA API implementation I am aware of
--
David Woodhouse Open Source Technology Centre
David.Woodhouse@intel.com Intel Corporation
next prev parent reply other threads:[~2009-02-05 21:08 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-19 14:46 [PATCH 0/16] DMA-API debugging facility v3 Joerg Roedel
2009-01-19 14:46 ` [PATCH 01/16] dma-debug: add Kconfig entry Joerg Roedel
2009-01-19 14:46 ` [PATCH 02/16] dma-debug: add header file and core data structures Joerg Roedel
2009-01-19 14:46 ` [PATCH 03/16] dma-debug: add hash functions for dma_debug_entries Joerg Roedel
2009-01-19 14:46 ` [PATCH 04/16] dma-debug: add allocator code Joerg Roedel
2009-01-19 14:46 ` [PATCH 05/16] dma-debug: add initialization code Joerg Roedel
2009-01-19 14:46 ` [PATCH 06/16] dma-debug: add kernel command line parameters Joerg Roedel
2009-01-19 14:46 ` [PATCH 07/16] dma-debug: add debugfs interface Joerg Roedel
2009-01-19 14:46 ` [PATCH 08/16] dma-debug: add core checking functions Joerg Roedel
2009-02-05 21:07 ` David Woodhouse [this message]
2009-02-12 14:49 ` Joerg Roedel
2009-02-13 19:48 ` Jesse Brandeburg
2009-01-19 14:46 ` [PATCH 09/16] dma-debug: add checking for map/unmap_page/single Joerg Roedel
2009-01-21 0:17 ` Arnd Bergmann
2009-01-23 10:28 ` Joerg Roedel
2009-01-25 13:17 ` FUJITA Tomonori
2009-01-25 13:51 ` Joerg Roedel
2009-02-05 21:06 ` David Woodhouse
2009-02-12 14:52 ` Joerg Roedel
2009-01-19 14:46 ` [PATCH 10/16] dma-debug: add add checking for map/unmap_sg Joerg Roedel
2009-02-05 22:30 ` David Woodhouse
2009-02-12 14:54 ` Joerg Roedel
2009-01-19 14:46 ` [PATCH 11/16] dma-debug: add checking for [alloc|free]_coherent Joerg Roedel
2009-01-19 14:46 ` [PATCH 12/16] dma-debug: add checks for sync_single_* Joerg Roedel
2009-01-19 14:47 ` [PATCH 13/16] dma-debug: add checks for sync_single_range_* Joerg Roedel
2009-01-19 14:47 ` [PATCH 14/16] dma-debug: add checks for sync_single_sg_* Joerg Roedel
2009-01-19 14:47 ` [PATCH 15/16] dma-debug: x86 architecture bindings Joerg Roedel
2009-02-22 6:50 ` FUJITA Tomonori
2009-02-25 11:14 ` Joerg Roedel
2009-01-19 14:47 ` [PATCH 16/16] dma-debug: Documentation update Joerg Roedel
2009-02-25 7:33 ` [PATCH 0/16] DMA-API debugging facility v3 David Woodhouse
2009-02-25 10:57 ` Joerg Roedel
-- strict thread matches above, loose matches on Subject: below --
2009-01-09 16:19 [PATCH 0/16] DMA-API debugging facility v2 Joerg Roedel
2009-01-09 16:19 ` [PATCH 08/16] dma-debug: add core checking functions Joerg Roedel
2009-01-10 23:11 ` Ingo Molnar
2009-01-11 7:57 ` Joerg Roedel
2009-01-11 8:34 ` Joerg Roedel
2009-01-14 11:44 ` Joerg Roedel
2009-01-14 11:48 ` Ingo Molnar
2009-01-10 23:12 ` Ingo Molnar
2009-01-11 7:54 ` Joerg Roedel
2009-01-10 23:13 ` Ingo Molnar
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