linux-kernel - Re: [PATCH] Move kprobes examples to samples/ (resend)

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Message-ID: <20071113153924.GA25095@in.ibm.com>
Date:	Tue, 13 Nov 2007 21:09:25 +0530
From:	Ananth N Mavinakayanahalli <ananth@...ibm.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	lkml <linux-kernel@...r.kernel.org>, hch@...radead.org,
	randy.dunlap@...cle.com,
	Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>,
	mathieu.desnoyers@...ymtl.ca, davem@...emloft.net,
	Prasanna S Panchamukhi <prasanna@...ibm.com>
Subject: Re: [PATCH] Move kprobes examples to samples/ (resend)

On Tue, Nov 13, 2007 at 04:00:45AM -0800, Andrew Morton wrote:
> On Sun, 21 Oct 2007 18:09:19 +0530 Ananth N Mavinakayanahalli <ananth@...ibm.com> wrote:
> 
> > Move kprobes examples from Documentation/kprobes.txt to under samples/.
> > Patch originally by Randy Dunlap.
> > 
> > In addition, I have
> > 
> > o Updated the patch to apply on 2.6.23-mm1
> > o Modified examples code to build on multiple architectures. Currently,
> >   the examples code works for x86_64, x86_32 and powerpc
> > o Cleaned up unneeded #includes
> 
> Could you please take a look at what's needed to get this working on sparc64?
> 
> samples/kprobes/kretprobe_example.c: In function `ret_handler':
> samples/kprobes/kretprobe_example.c:19: error: implicit declaration of function `regs_return_value'
> 
> Thanks.

As Davem mentions, these are a fallout of sparc64 not having kretprobe
support. As a followup to this mail, I am sending a couple of patches
that should fix the issue (sparc64 cross compile works fine with the
patches).

Ananth
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