Re: [PATCH 0/2] staging: tidspbridge: fix dma race condition

[Felipe Contreras]

On Mon, Dec 20, 2010 at 4:25 PM, Felipe Contreras
<felipe.contreras@xxxxxxxxx> wrote:
> I found a race condition that triggers a kernel panic. It's explained in the
> following patches, but basically the map_obj that contains the user pages is
> being destroyed while doing a DMA operation (which requires that map_obj).
>
> My solution is to convert the spinlock to a semaphore, and exten the area
> protected (which might sleep).
>
> I have not tested these specific patches; they have been forward ported. But in
> a similar branch, they solve the issue.

Please disregard this patch series, I'll send a simpler single patch
that does the trick.

-- 
Felipe Contreras
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