Re: [PATCH] dma-debug: Allow archs to overridecheck_for_illegal_area

From: David Miller
Date: Fri Aug 14 2009 - 16:02:57 EST


From: Ingo Molnar <mingo@xxxxxxx>
Date: Wed, 12 Aug 2009 10:54:40 +0200

>
> * Joerg Roedel <joerg.roedel@xxxxxxx> wrote:
>
>> For some architectures (like sparc32) the default
>> check_for_illegal_area function does not work reliable. This patch
>> makes this function a weak symbol allowing architectures to
>> override it if necessary.
>>
>> Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx>
>> ---
>> lib/dma-debug.c | 9 ++++++---
>> 1 files changed, 6 insertions(+), 3 deletions(-)
>
> Dave, you indicated that sparc32 would address this problem
> differently. Do we still need this patch (for .31 for example)?

Don't worry about this purely for sparc32's sake.

We can revisit this patch if I can't sort out the sparc32 issue
locally.

Thanks.
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