[PATCH] add Kconfig option for optimizing for cell

[David Woodhouse]

On Sat, 2007-09-15 at 02:21 +0200, Arnd Bergmann wrote:
> Since the PPE on cell is an in-order core, it suffers significantly
> from wrong instruction scheduling. This adds an Kconfig option that
> enables passing -mtune=cell to gcc in order to generate object
> code that runs well on cell.

Do we have an option which is useful for a multiplatform kernel (and for
userspace) and which lies between the two extremes? Something which will
improve performance on Cell (and POWER6?) without sucking too hard
elsewhere?

-- 
dwmw2