Re: [PATCH 01/29] tsx: Add generic noop macros for RTM intrinsics

Andi Kleen
2013-03-25T08:19:31Z

> RTM == restricted transactional memory. I don't understand why it's
> "restricted" and why any other architecture else would call it that and

It's restricted as in there is no guarantee that a transaction ever succeeds
and always needs a fallback path. My understanding is that this is true for
PPC too, but not necessarily zSeries.

> hence why Linux should call it that?
>
> Can we just call it TM for transactional memory? Each arch can then
> have their own implementation and call it what they want.

I don't think the name will stop them to do anything.

If people feel strongly about it can change it, but it's not
actually making a real difference.

-Andi
--
ak@linux.intel.com -- Speaking for myself only