Messages in this thread | | | Date | Mon, 05 Aug 2013 11:33:57 -0700 | From | "H. Peter Anvin" <> | Subject | Re: [RFC] gcc feature request: Moving blocks into sections |
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On 08/05/2013 11:20 AM, 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. >
That would definitely require gcc support. It would be useful, but probably requires a lot of machinery.
-hpa
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