From: Andi Kleen <[email protected]>
Subject: Re: [PATCH] Only process_die notifier in ia64_do_page_fault if KPROBES is configured.
Date: Wed, 31 Aug 2005 01:38:08 +0200
> On Wednesday 31 August 2005 01:05, Luck, Tony wrote:
> > >Please do not generate any code if the feature cannot ever be
> > >used (CONFIG_KPROBES off). With this patch we still have lots of
> > >unnecessary code being executed on each page fault.
> >
> > I can (eventually) wrap this call inside the #ifdef CONFIG_KPROBES.
>
> At least the original die notifiers were designed as a generic debugger
> interface, not a kprobes specific thing. So I don't think it's a good idea.
Me neither, I think a way too big deal is being made about
about this by the ia64 folks. Just put the dang hook in
there unconditionally already :-)
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