linux-kernel - Re: [Alsa-user] another in kernel alsa update that breaks backward compatibilty?

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Date:	Wed, 9 Aug 2006 12:36:23 -0400
From:	"Dmitry Torokhov" <dmitry.torokhov@...il.com>
To:	"Sergei Steshenko" <steshenko_sergei@...t.ru>
Cc:	"Sam Ravnborg" <sam@...nborg.org>,
	"Benoit Fouet" <benoit.fouet@...plelabs.com>,
	"Gene Heskett" <gene.heskett@...izon.net>,
	alsa-user@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [Alsa-user] another in kernel alsa update that breaks backward compatibilty?

On 8/9/06, Sergei Steshenko <steshenko_sergei@...t.ru> wrote:
> On Wed, 9 Aug 2006 18:00:43 +0200
> Sam Ravnborg <sam@...nborg.org> wrote:
>
> > On Wed, Aug 09, 2006 at 05:56:57PM +0200, Benoit Fouet wrote:
> > > >
> > > >Demand stable ABI.
> > > >
> > > >
> > > >
> > > sorry for the noise, but it's been a while now since i began reading
> > > mails from this list, and i must admit i don't always (never?) see the
> > > point of such messages...
> > > if you can help me understand, i'll be very happy to get something more
> > > detailed from you...
> > Documentation/stable_api_nonsense.txt
> >
> >       Sam
> >
>
> I love senselessness and technical incompetence of the document.
>
> As I was taught at school, to prove that a statement is wrong one
> has to prove that it is wrong once.
>

Yep, the only trick is that you need a valid proof ;)

> Regardless of what the document says stable ABI can be achieved
> today - run a chosen Linux kernel version + chosen ALSA version under XEN or
> similar, and assign sound card to these (chosen Linux kernel version +
> chosen ALSA version).
>
> Redirect sound ('ncat' + friends) to this (chosen Linux kernel version +
> chosen ALSA version) from your kernel in which developers refuse
> to ensure stable ABI.
>
> Because of the chosen (kernel+ALSA) you have stable ABI regardless
> of what Documentation/stable_api_nonsense.txt says and ALSA + kernel
> developers think.
>

You are confused. By your logic you do not need XEN at all - just take
a kernel version + alsa and never change/update it - and viola!
"stable" ABI.

-- 
Dmitry
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