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

From: Scott Wood
Date: Sat Jul 09 2016 - 03:13:36 EST

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@xxxxxx>
> ---

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