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

From: Ingo Molnar <mingo@elte.hu>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Paul Mackerras <paulus@samba.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	linuxppc-dev@ozlabs.org
Subject: Re: [PATCH 0/7] Porting dynmaic ftrace to PowerPC
Date: Wed, 19 Nov 2008 10:27:23 +0100	[thread overview]
Message-ID: <20081119092723.GC22309@elte.hu> (raw)
In-Reply-To: <alpine.DEB.1.10.0811182150530.14914@gandalf.stny.rr.com>

* Steven Rostedt <rostedt@goodmis.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