Re: [PATCH 23/29] drm/exynos: drop struct_mutex from exynos_gem_map_sgt_with_dma

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Hi,

On 23 November 2015 at 09:32, Daniel Vetter <daniel.vetter@xxxxxxxx> wrote:
> The sg table isn't refcounted, there's no corresponding locking for
> unmapping and drm_map_sg is ok with being called concurrently.
>
> So drop the locking since it doesn't protect anything.
>
> Cc: Inki Dae <inki.dae@xxxxxxxxxxx>
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>

Reviewed-by: Daniel Stone <daniels@xxxxxxxxxxxxx>

Cheers,
Daniel
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