[PATCH] lockref: stop doing cpu_relax in the cmpxchg loop

Linus Torvalds torvalds at linux-foundation.org
Fri Jan 13 15:31:39 PST 2023


On Fri, Jan 13, 2023 at 3:47 PM Luck, Tony <tony.luck at intel.com> wrote:
>
> The computer necrophiliacs at Debian and Gentoo seem determined
> to keep ia64 alive.
>
> So perhaps this should s/cpu_relax/soemt_relax/ where soemt_relax
> is a no-op everywhere except ia64, which can define it as cpu_relax.

Heh. I already took your earlier "$ git rm -r arch/ia64" comment as an
ack for not really caring about ia64.

I suspect nobody will notice, and if ia64 is the only reason to do
this, I really don't think it would be worth it.

              Linus



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