Re: [PATCH 00/10] jump label: introduce very_[un]likely + cleanups+ docs

From: Steven Rostedt
Date: Tue Feb 21 2012 - 15:22:02 EST


On Tue, 2012-02-21 at 12:09 -0800, H. Peter Anvin wrote:
> On 02/21/2012 12:02 PM, Jason Baron wrote:
> > Hi,
> >
> > Renames 'static_branch()' -> very_unlikely(), hopefully, to be more intuitive
> > as to what jump labels is about. I'm also introducing 'very_likely()', as
> > the analogue to very_unlikely(). Patch is against the -tip perf branch.
> >
>
> Erk... I'm not happy about this. very_unlikely() makes it sound like it
> operates like unlikely(), which really is not the case. There is a huge
> difference in mechanism here as well as usage.

I agree with Peter.

What about static_branch_true() and static_branch_false().

Or remove the "_branch" part and have static_true() and static_false()?

-- Steve


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