[Xen-devel] [PATCH v6 1/4] arm: introduce psci_smp_ops

[Ian Campbell]

On Fri, 2013-04-19 at 16:47 +0100, Nicolas Pitre wrote:
> No one should be probing registers without making sure it is safe to do 
> so.  Even on non virtualized hardware this can be a dangerous thing to 
> do.

Won't people writing per machine code consider, not unreasonably, that
having been called through a mdesc machine specific hook constitutes
enough "making sure" that they think it is safe to touch registers which
are specific to that machine?

Ian.