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Date: Tue, 09 May 2006 09:38:00 -0000
From: Christoph Hellwig <hch@infradead.org>
To: Prasanna S Panchamukhi <prasanna@in.ibm.com>
Cc: linux-kernel@vger.kernel.org, systemtap@sources.redhat.com, 	akpm@osdl.org, Andi Kleen <ak@suse.de>, davem@davemloft.net, 	suparna@in.ibm.com, richardj_moore@uk.ibm.com
Subject: Re: [RFC] [PATCH 5/6] Kprobes: Single step the original instruction out-of-line
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On Tue, May 09, 2006 at 12:42:04PM +0530, Prasanna S Panchamukhi wrote:
> Even if the vma cannot be extended, then the instruction much be
> executed inline, by replacing the breakpoint instruction with the
> original instruction.

Patching pagecache content is not acceptable.  Just fail the probe
in this case.