Re: [PATCH 1/19] MUTEX: Introduce simple mutex implementation

[David Howells]

Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:

> Why bother. As has already been discussed up and down are the natural
> and normal names for counting semaphores. You don't need to obsolete the
> old API thats just silly, you need to add a new one and wait for people
> to use it.

The vast majority of ups and downs are actually mutex related not semaphore
related, so by majority share, up/down perhaps ought to be repurposed to
mutexes: they _are_ the preeminent uses.

>From my modified tree, I see:

	semaphore	up	down	down_in	down_try
	Counting	41	59	1	0
	Mutex		4405	2824	362	107

> The old API is still very useful for some applications that want
> counting semaphores.

Whilst that is true, they're in a small minority, and it'd be easier to change
them.

David
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