RE: [RFC PATCH] docs/memory-barriers.txt: Rewrite "KERNEL I/O BARRIER EFFECTS" section

From: Luck, Tony
Date: Wed Feb 13 2019 - 13:51:00 EST

> I think the last time this came up, it was said that those people still
> running Linux on Itanium were running old distro kernels, not upstream.
> So yeah, we could probably do whatever and nobody would ever notice,
> except maybe Al, who is rumoured to still have an ia64 :-)

I haven't heard of anyone taking upstream kernels and actually using them
for production work in a long time. It's mostly just a few folks keeping ia64
alive "just because" these days. I doubt any of them have an SGI Altix
to test on (so realistically Altix was probably broken upstream many releases