[PATCH 1/2] ARM: L2X0: add explicit cpu_relax() for busy wait loop

[Arnd Bergmann]

On Wednesday 24 August 2011, Barry Song wrote:
> using cpu_relax in busy loops is a well-known idiom in the kernel. It's more
> for documentation purposes than technically needed here.
> 
> Cc: Jamie Iles <jamie at jamieiles.com>
> Signed-off-by: Barry Song <Baohua.Song at csr.com>

Acked-by: Arnd Bergmann <arnd at arndb.de>