From: Michael Buesch <mbuesch@freenet.de>
To: omkar lagu <omkarlagu@yahoo.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Fwd: How to call a function in a module from the kernel code !!! (Linux kernel)
Date: Thu, 9 Feb 2006 20:32:11 +0100 [thread overview]
Message-ID: <200602092032.12091.mbuesch@freenet.de> (raw)
In-Reply-To: <20060209192510.32377.qmail@web50307.mail.yahoo.com>
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On Thursday 09 February 2006 20:25, you wrote:
>
> hello sir,
>
> PROBLEM::How to call a function in a module from the
> kernel code ??
>
> what we did ? ::
> we wanted to call a function in our module ll from
> shm.c file (which is in the kernel)
>
> so we declared function pointer in shm.c
> :: unsigned long long (*ptr1)(int)
>
> we declared it as extern in shm.h
> :: extern unsigned long long (*ptr1)(int)
>
> then we declared also in our module (ll)
> :: extern unsigned long long (*ptr1)(int)
>
> we initialized it to ptr1 = commun; in init module
> of ll.c
> where commun is we wanted to call from the kernel
>
> but it gave an error as undefined refernce to ptr1
> when we inserted our module..
>
> can you help on this thing or can you give us a
> example
> regarding how it is done ??
EXPORT_SYMBOL(ptr1);
--
Greetings Michael.
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next prev parent reply other threads:[~2006-02-09 19:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-09 19:25 omkar lagu
2006-02-09 19:32 ` Michael Buesch [this message]
2006-02-09 23:07 ` Kyle Moffett
2006-02-10 7:55 ` Steven Rostedt
2006-02-10 8:16 ` Kyle Moffett
2006-02-10 10:30 Fwd: " omkar lagu
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