Re: The killing of ideal_nops[]

From: Steven Rostedt
Date: Tue Mar 09 2021 - 12:06:04 EST


On Tue, 9 Mar 2021 17:58:17 +0100
Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:

> Hi,
>
> AFAICT everything made in the past 10 years ends up using p6_nops. Is it
> time to kill off ideal_nops[] and simplify life?
>

Well, the one bug that was reported recently was due to a box that uses a
different "ideal_nops" than p6_nops. Perhaps we should ask him if there's
any noticeable difference between using p6_nops for every function than the
ideal_nops that as found for that box.

-- Steve