linux-kernel - Re: [patch] export hrtimer

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Message-Id: <20070503165800.5b7cd3fd.akpm@linux-foundation.org>
Date:	Thu, 3 May 2007 16:58:00 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Stas Sergeev <stsp@...et.ru>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Linux kernel <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [patch] export hrtimer_forward

On Thu, 03 May 2007 23:10:02 +0400
Stas Sergeev <stsp@...et.ru> wrote:

> Hello.
> 
> Peter Zijlstra wrote:
> >> It seems hrtimer_forward was forgotten to
> >> export - other symbols of the hrtimers API
> > Are there actual in-tree users of this symbol? Without we usually leave
> > the symbol unexported, this saves some space.
> Do you mean it was really left intentional?
> Unbeleivable! But why the other parts of a
> hrtimer API are exported nevertheless, and
> only this particular function not?

It was probably an oversight - generally we take the position that all the
formal interface of a subsystem is exported to modules rather than a
piecemeal whichever-bits-kernel.org-happens-to-use-today approach.

Thomas, is hrtimer_forward() considered part of the hrtimer public API? 
And are you OK with the patch?


> As for the users - I am porting my pcsp driver to
> it and I need that function.
> It is not exactly in-tree stuff, but it was
> in an ALSA tree for years already, so it is a
> close one.
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