Messages in this thread | | | Subject | Re: [RFC] gcc feature request: Moving blocks into sections | From | Steven Rostedt <> | Date | Mon, 05 Aug 2013 14:39:37 -0400 |
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On Mon, 2013-08-05 at 11:20 -0700, Linus Torvalds wrote:
> Of course, it would be good to optimize static_key_false() itself - > right now those static key jumps are always five bytes, and while they > get nopped out, it would still be nice if there was some way to have > just a two-byte nop (turning into a short branch) *if* we can reach > another jump that way..For small functions that would be lovely. Oh > well.
I had patches that did exactly this:
https://lkml.org/lkml/2012/3/8/461
But it got dropped for some reason. I don't remember why. Maybe because of the complexity?
-- Steve
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