[PATCH] powerpc: add ibm,suspend-me rtas interface

[Dave C Boutcher]

On Thu, Jan 12, 2006 at 10:59:07AM +1100, Paul Mackerras wrote:
> Dave C Boutcher writes:
> 
> > I wish they had called the RTAS call "OS-sync" or something.
> 
> There's no reason why the userlevel interface can't use "sync" or
> or "hmcsync" or "hvsync", is there?

None at all, except that since the RTAS call is suspend, I thought that
might be needlessly obfuscatory :-)

> Are there going to be any other values that we might want to write to
> /proc/ppc64/platform_state?  If not, why not just have a
> /proc/ppc64/hmcsync instead, and have any (non-zero length) write to
> it invoke the RTAS call?

There are no other values today...but I would rather leave it open for
future functions.  There's not much value in demanding that the string
be "suspend" as opposed to anything else, but a strcmp doesn't cost that
much...

-- 
Dave Boutcher