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Subject: Re: [PATCH 1/19] MUTEX: Introduce simple mutex implementation
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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Date: Wed, 14 Dec 2005 11:18:41 +0000
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To: David Howells <dhowells@redhat.com>
Cc: Paul Jackson <pj@sgi.com>, mingo@elte.hu, hch@infradead.org, akpm@osdl.org, torvalds@osdl.org, arjan@infradead.org, matthew@wil.cx, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org
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On Mer, 2005-12-14 at 11:12 +0000, David Howells wrote:
> David Howells <dhowells@redhat.com> wrote:
> 
> > 
> >  (6) Make wrappers for up/down that map to counting semaphores with the
> >      deprecation attribute set.
> 
>  (7) After a couple of months, remove up and down entirely.

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