Re: [RFC] gcc feature request: Moving blocks into sections

From: Linus Torvalds
Date: Tue Aug 06 2013 - 13:48:56 EST

On Tue, Aug 6, 2013 at 7:19 AM, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> After playing with the patches again, I now understand why I did that.
> It wasn't just for optimization.

[explanation snipped]

> Anyway, if you feel that update_jump_label is too complex, I can go the
> "update at early boot" route and see how that goes.

Ugh. I'd love to see short jumps, but I do dislike binary rewriting,
and doing it at early boot seems really quite scary too.

So I wonder if this is a "ok, let's not bother, it's not worth the
pain" issue. 128 bytes of offset is very small, so there probably
aren't all that many cases that would use it.

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