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

From: H. Peter Anvin
Date: Tue Feb 21 2012 - 16:11:53 EST


On 02/21/2012 12:21 PM, Steven Rostedt wrote:
> 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()?
>

static_true() and static_false() seem good.

-hpa

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