[Intel-gfx] [PATCH] x86: Enable fast 32-bit put_user_64 for copy_to_user

[Ingo Molnar]

* Chris Wilson <chris at chris-wilson.co.uk> wrote:

> For fixed sized copies, copy_to_user() will utilize __put_user_size
> fastpaths. However, it is missing the translation for 64bit copies on
> x86/32. Testing on a Pinetrail Atom, the 64 bit put_user fastpath is
> substantially faster than the generic copy_to_user() fallback.
> 
> Cc: Thomas Gleixner <tglx at linutronix.de>
> Cc: Ingo Molnar <mingo at redhat.com>
> Cc: "H. Peter Anvin" <hpa at zytor.com>
> Cc: x86 at kernel.org
> CC: linux-kernel at vger.kernel.org

The patch makes sense, but your Signed-off-by line is missing.

Thanks,

	Ingo