Re: [PATCH 2/3 v2] sh: fix DMA driver's descriptor chaining and cookie assignment

[Nobuhiro Iwamatsu]

Hi,

Oh, I was going to check an old patch.

2009/12/11 Paul Mundt <lethal@xxxxxxxxxxxx>:
> On Thu, Dec 10, 2009 at 06:35:11PM +0100, Guennadi Liakhovetski wrote:
>> The SH DMA driver wrongly assigns negative cookies to transfer descriptors,
>> also, its chaining of partial descriptors is broken. The latter problem is
>> usually invisible, because maximum transfer size per chunk is 16M, but if you
>> artificially set this limit lower, the driver fails. Since cookies are also
>> used in chunk management, both these problems are fixed in one patch. As side
>> effects a possible memory leak, when descriptors are prepared, but not
>> submitted, and multiple races have also been fixed.
>>
>> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
>
> Looks good to me.
Me too.

But I want to check other CPU of sh. I will do next week.
Please wait "Acked-by".

>
> Acked-by: Paul Mundt <lethal@xxxxxxxxxxxx>

Best regards,
  Nobuhiro

> --
> To unsubscribe from this list: send the line "unsubscribe linux-sh" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>



-- 
Nobuhiro Iwamatsu
   iwamatsu at {nigauri.org / debian.org}
   GPG ID: 40AD1FA6
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/