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From: Blaisorblade <blaisorblade@yahoo.it>
To: user-mode-linux-devel@lists.sourceforge.net
Cc: John Dykstra <jdykstra@nortel.com>
Subject: Re: [uml-devel] Unknown symbol vsyscall_end when loading external module
Date: Wed, 1 Mar 2006 23:29:16 +0100	[thread overview]
Message-ID: <200603012329.17111.blaisorblade@yahoo.it> (raw)
In-Reply-To: <6FC4416DDE56C44DA0AEE67BC7CA43710D313E2A@zrc2hxm2.corp.nortel.com>

On Wednesday 01 March 2006 21:04, John Dykstra wrote:
> I'm getting this when loading an externally built module:
>
> infinity: Unknown symbol vsyscall_end
> infinity: Unknown symbol vsyscall_ehdr
>
> The module uses copy_from_user().  When ARCH=um, copy_from_user() is
> defined as inline, and uses FIXADDR_USER_END.  That macro is defined as
> VSYSCALL_END, which in turn is defined as vsyscall_end.  However,
> there's no EXPORT_SYMBOL(vsyscall_end).

Ok, EXPORT_SYMBOL for both ones should be added, to any suitable file 
(arch/um/kernel/ksyms.c, for instance), and it'll work.

We'll add the patch ASAP, but please remind us.

> This is in linux-2.6.16-rc4, with Jeff's patch set from last week.

> TIA.

>   --  John

-- 
Inform me of my mistakes, so I can keep imitating Homer Simpson's "Doh!".
Paolo Giarrusso, aka Blaisorblade (Skype ID "PaoloGiarrusso", ICQ 215621894)
http://www.user-mode-linux.org/~blaisorblade

	

	
		
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      reply	other threads:[~2006-03-01 22:29 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-01 20:04 [uml-devel] Unknown symbol vsyscall_end when loading external module John Dykstra
2006-03-01 22:29 ` Blaisorblade [this message]

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