On Thursday 15 November 2012, Rob Clark wrote:
> 
> From: Rob Clark <r...@ti.com>
> 
> A new atomic modeset/pageflip ioctl being developed in DRM requires
> get_user() to work for 64bit types (in addition to just put_user()).
> 
> v1: original
> v2: pass correct size to check_uaccess, and better handling of narrowing
>     double word read with __get_user_xb() (Russell King's suggestion)
> v3: explain in comment about why this works for narrowing fetch to 1,
>     2, or 4 byte type on ARM.
> 
> Signed-off-by: Rob Clark <r...@ti.com>

Acked-by: Arnd Bergmann <a...@arndb.de>
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