[Cbe-oss-dev] [PATCH] cell: unify spufs syscall path
Arnd Bergmann
arnd at arndb.de
Fri Aug 17 17:58:38 EST 2007
On Friday 17 August 2007, Jeremy Kerr wrote:
> At present, a built-in spufs will not use the spufs_calls callbacks, but
> directly call sys_spu_create. This saves us an indirect branch, but
> means we have duplicated functions - one for CONFIG_SPU_FS=y and one for
> =m.
...
> So, we're adding around 11us per syscall, at the benefit of having
> only one syscall path.
>
> Signed-off-by: Jeremy Kerr <jk at ozlabs.org>
Acked-by: Arnd Bergmann <arnd.bergmann at de.ibm.com>
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