From: Arjan van de Ven <arjan@infradead.org>
To: "Jinkai Gao" <mickeygjk@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Suggestion: LKM should be able to add system call for itself
Date: Mon, 7 Jul 2008 00:01:28 -0700 [thread overview]
Message-ID: <20080707000128.1e93d8e4@infradead.org> (raw)
In-Reply-To: <fb82a8210807062209t6cfe3e46m50a11b577f0540e7@mail.gmail.com>
On Mon, 7 Jul 2008 01:09:30 -0400
"Jinkai Gao" <mickeygjk@gmail.com> wrote:
> Above is to demonstrate that LKM is extension to kernel, and the
> system calls should be able to extend as long as the kernel is
> extending. So The LKM should be able to define its own user interface
> by adding new system call for itself.
Since we promise a stable ABI to userspace, this is a bit of a problem.
But... look today, we already have various system calls implemented by
modules. (example: sys_nfsservctl)
but to make it fully dynamic? Not a good idea... nobody would be able
to program to it.
--
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next prev parent reply other threads:[~2008-07-07 7:01 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-07 5:09 Jinkai Gao
2008-07-07 7:01 ` Arjan van de Ven [this message]
2008-07-07 12:12 ` Jinkai Gao
2008-07-07 14:29 ` Arjan van de Ven
2008-07-07 8:40 ` Bart Van Assche
2008-07-07 12:36 ` Jinkai Gao
2008-07-07 14:16 ` Bart Van Assche
2008-07-07 14:42 ` Jan Engelhardt
2008-07-07 9:35 ` Jan Engelhardt
2008-07-07 14:00 ` Jinkai Gao
2008-07-07 14:16 ` Josh Boyer
2008-07-07 16:33 ` Eduard - Gabriel Munteanu
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