On Mon, 3 Aug 2015 22:00:02 +0200
Peter Zijlstra <pet...@infradead.org> wrote:
> On Mon, Aug 03, 2015 at 03:28:10PM -0400, Steven Rostedt wrote:
> > Technically, one can think: "activate the branch", but we are
> > activating not the branch, but the jump label itself.
>
> No you are enabling the branch, you're making the branch body active.
By making the statement "true".
Otherwise we could just have:
static_branch_likely(&blah) {
[..]
}
And remove the "if".
Then it would make sense to enable or disable it.
>
> There is no enable/disable/true/false for the jump label, only NOP or
> JUMP, and either can result in an active branch body.
That's implementation details, not a general concept that users will
need to know about.
-- Steve
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