Messages in this thread | | | Date | Tue, 9 Mar 2021 22:24:44 +0100 | From | Peter Zijlstra <> | Subject | Re: The killing of ideal_nops[] |
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On Tue, Mar 09, 2021 at 12:05:19PM -0500, Steven Rostedt wrote: > On Tue, 9 Mar 2021 17:58:17 +0100 > Peter Zijlstra <peterz@infradead.org> 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.
If the machine is more than a decade old, I'm not really caring about optimal performance. If it is 32bit, I really couldn't be arsed as long as it boots.
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