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Date: Fri, 20 Mar 2009 20:57:43 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Anton Vorontsov <avorontsov@ru.mvista.com>
Subject: Re: [PATCH] tracing: Fix TRACING_SUPPORT dependency
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Cc: linuxppc-dev@ozlabs.org, Steven Rostedt <srostedt@redhat.com>,
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* Anton Vorontsov <avorontsov@ru.mvista.com> wrote:

> On Fri, Mar 20, 2009 at 08:04:28PM +0100, Ingo Molnar wrote:
> > 
> > * Anton Vorontsov <avorontsov@ru.mvista.com> wrote:
> > 
> > > commit 40ada30f9621fbd831ac2437b9a2a399aad34b00 ("tracing: clean 
> > > up menu"), despite the "clean up" in its purpose, introduced 
> > > behavioural change for Kconfig symbols: we no longer able to 
> > > select tracing support on PPC32 (because IRQFLAGS_SUPPORT isn't 
> > > yet implemented).
> > 
> > Could you please solve this by implementing proper 
> > irqflag-tracing support? It's been available upstream for almost 
> > three years. It's needed for lockdep support as well, etc.
> 
> Breaking things via clean up patches is an interesting method of 
> encouraging something to implement. ;-)
>
> Surely I'll look into implementing irqflags tracing, but 
> considering that no one ever needed this for almost three years, 
> [...]

Weird, there's no lockdep support?

	Ingo