[PATCH v3 2/2] powerpc32: fix check_io_access()

[Scott Wood]

On Tue, 2016-05-17 at 14:01 +0200, Christophe Leroy wrote:
> On processors like the 8xx, the machine check exception can also
> happen directly on the load/store instruction itself, so that case
> needs to be handled as well
> 
> Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>
> ---

What machine checks are happening that this is handling?  Is there still 8xx
code that probes for registers that might not be there?

-Scott