linux-kernel - Re: [PATCH 08/10] MAINTAINERS

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Message-ID: <alpine.DEB.1.10.0901140811530.6759@gandalf.stny.rr.com>
Date:	Wed, 14 Jan 2009 08:16:50 -0500 (EST)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Joe Perches <joe@...ches.com>
cc:	Paul Mundt <lethal@...ux-sh.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Pavel Machek <pavel@....cz>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 08/10] MAINTAINERS - Add FTRACE git


On Tue, 13 Jan 2009, Joe Perches wrote:

> On Wed, 2009-01-14 at 14:59 +0900, Paul Mundt wrote:
> > On Tue, Jan 13, 2009 at 12:28:16PM -0800, Joe Perches wrote:
> > > Signed-off-by: Joe Perches <joe@...ches.com>
> > > ---
> > >  MAINTAINERS |    1 +
> > >  1 files changed, 1 insertions(+), 0 deletions(-)
> > > 
> > > diff --git a/MAINTAINERS b/MAINTAINERS
> > > index ceeeb8c..6e051c3 100644
> > > --- a/MAINTAINERS
> > > +++ b/MAINTAINERS
> > > @@ -2189,6 +2189,7 @@ F:	fs/freevxfs/
> > >  FTRACE
> > >  P:	Steven Rostedt
> > >  M:	rostedt@...dmis.org
> > > +T:	git git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip.git
> > >  S:	Maintained
> > >  F:	Documentation/ftrace.txt
> > >  F:	arch/*/*/*/ftrace.h
> > 
> > This sort of thing only makes sense if you include the topic branch for
> > the tree in question. While it is true that ftrace development happens in
> > this tree, people looking at ftrace may not want to sort through the
> > hundreds of unrelated topic branches in the process. I say this as
> > someone that does not want to sort through hundreds of unrelated topic
> > branches in search of ftrace code ;-)
> 
> http://git.kernel.org/?p=linux/kernel/git/x86/linux-2.6-tip.git;a=heads
> 
> Is the correct topic branch for ftrace auto-ftrace-next?

That is just a location that Ingo places changes that are ready to go to 
linux-next. Not where development is.

> 
> maybe:
> 
> T:	git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-tip.git auto-ftrace-next
> 
> No idea what's right here.  I had some private emails
> with Steven Rostedt about a git tree.  He suggested
> to use tip.
> 
> Steven?  Suggestions?

Ingo usually pulls ftrace related patches into the tracing/ftrace 
branch. That is for core ftrace. Since ftrace has a bunch of pluggins, 
they may have their own branches.

But to answer Paul's question, I would suggest tracing/ftrace for 
seeing latest core ftrace changes.

Should we add another topic in MAINTAINERS? The "TRACE RING BUFFER"? or 
just call it ring_buffer? This is separate from ftrace, although ftrace 
uses it for on the fly tracing. I maintain it and it is located in the tip 
git repo under tracing/ring-buffer.

-- Steve

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