Re: [PATCH] cpu/hw_random cleanups

[Alan Cox]

> > For example, I wonder if storing Intel's cpuid(0x00000001) ecx
> > register output is wise on older Intel cpus.  I worry about garbage
> > appearing there.  Is that a false worry?
> > 
> 
> Yes; it should be completely safe.

I have to admit I'd be more comfortable if we only set those bits IFF
we know they are valid to check, not so much because we need to right now
but out of a desire to make less mistakes possible