linux-kernel - Re: [PATCH 0/7] Porting dynmaic ftrace to PowerPC

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Message-ID: <20081119092723.GC22309@elte.hu>
Date:	Wed, 19 Nov 2008 10:27:23 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Paul Mackerras <paulus@...ba.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	linuxppc-dev@...abs.org
Subject: Re: [PATCH 0/7] Porting dynmaic ftrace to PowerPC


* Steven Rostedt <rostedt@...dmis.org> wrote:

> On Wed, 19 Nov 2008, Paul Mackerras wrote:
> 
> > Steven Rostedt writes:
> > 
> > > Can I add your Acked-by: to all these patches that I submitted? I'm going 
> > > to recommit them with a consistent subject (all lower case ppc), but I'm 
> > > not going to change the patches themselves.
> > > 
> > > Would you two be fine with that? Or at least one of you?
> > 
> > My preference would be for the patches to go through the powerpc tree
> > unless there is a good reason for them to go via another tree.
> 
> I have no problem with that. The only thing is that we have a lot of 
> pending work still in the linux-tip tree, which you may need to pull 
> in to get these patches working. Well, there's two or three commits 
> in the generic code that I know the PPC code is dependent on.
> 
> I could give you a list of commits in tip that need to go mainline 
> first before we can pull in the PPC changes. Then you could wait 
> till those changes make it into 29 and then you could push the PPC 
> modifications in from your tree.

note that this inserts a lot of (unnecessary) serialization and a 
window of non-testing - by all likelyhood this will delay ppc ftrace 
to v2.6.30 or later kernels.

	Ingo
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