From: "Manu Abraham" <abraham.manu@gmail.com>
To: "Arjan van de Ven" <arjan@infradead.org>
Cc: "Marcel Siegert" <mws@linuxtv.org>,
"Andrew Morton" <akpm@osdl.org>,
v4l-dvb-maintainer@linuxtv.org,
"Robert P. J. Day" <rpjday@mindspring.com>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Subject: Re: [v4l-dvb-maintainer] [PATCH] DVB: Delete unused header file linux/dvb/version.h.
Date: Sun, 25 Mar 2007 16:03:38 +0400 [thread overview]
Message-ID: <1a297b360703250503g1a973e70ycd0f7a683982b228@mail.gmail.com> (raw)
In-Reply-To: <1174813880.1158.297.camel@laptopd505.fenrus.org>
On 3/25/07, Arjan van de Ven <arjan@infradead.org> wrote:
>
>
> > There are cases where we need an API update since newer systems do show up.
> > In such a case, the only way is to provide backward compatibility
> > while adding in newer stuff.
> >
> > Currently we use the version major/minor for the userspace to identify
> > the in kernel API, while the userspace apps can remain binary
> > compatible
>
> this is the problem exactly! Your userspace binary knows about the
> kernel headers it was compiled against, not about the actual running
> kernel! They are very likely not the same.
Well, we could go for an IOCTL in such a case to avoid the unpleasant scenario.
Manu
prev parent reply other threads:[~2007-03-25 12:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-23 15:32 Robert P. J. Day
2007-03-23 15:47 ` [v4l-dvb-maintainer] " Marcel Siegert
2007-03-23 15:50 ` Robert P. J. Day
2007-03-23 16:02 ` Arjan van de Ven
2007-03-23 16:18 ` Marcel Siegert
2007-03-24 12:04 ` Manu Abraham
2007-03-25 9:11 ` Arjan van de Ven
2007-03-25 12:03 ` Manu Abraham [this message]
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