[RFC] [PATCH] PowerPC: Workaround for the 440EP(x)/GR(x) processors identical PVR issue.

Benjamin Herrenschmidt benh at kernel.crashing.org
Fri Oct 26 21:25:23 EST 2007


On Fri, 2007-10-26 at 15:05 +0400, Valentine Barshak wrote:
> 
> It's not enough. We need to enable APU instruction broadcast for
> EP(x) 
> (call __init_fpu_44x in arch/powerpc/kernel/cpu_setup_44x.S).
> Or do you suggest to or-in FPU feature bit and enable APUIB later,
> not 
> in the cpu_setup callback?

It can be done at any time before the feature fixup. However, on 32
bits, iirc, the fixup happens very early so it might not be that easy...
just asking :-) Your patch is allright, we can always find a better way
to do it later on.

Ben.





More information about the Linuxppc-dev mailing list