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

From: Steven Rostedt
Date: Mon Aug 05 2013 - 14:39:45 EST

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:

But it got dropped for some reason. I don't remember why. Maybe because
of the complexity?

-- Steve

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at