On Thu, 6 Oct 2022 18:19:12 +0200
Florent Revest [off-list ref] wrote:

Sure, we can give this a try, I'll work on a macro that generates the
7 callbacks and we can check how much that helps. My belief right now
is that ftrace's iteration over all ops on arm64 is where we lose most
time but now that we have numbers it's pretty easy to check hypothesis
:)

Ah, I forgot that's what Mark's code is doing. But yes, that needs to be
fixed first. I forget that arm64 doesn't have the dedicated trampolines yet.

So, let's hold off until that is complete.

-- Steve

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