[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20090218125334.GA1300@elte.hu>
Date: Wed, 18 Feb 2009 13:53:34 +0100
From: Ingo Molnar <mingo@...e.hu>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Andrew Morton <akpm@...ux-foundation.org>,
Frederic Weisbecker <fweisbec@...il.com>,
Geoff Levand <geoffrey.levand@...sony.com>,
LKML <linux-kernel@...r.kernel.org>,
Steven Rostedt <srostedt@...hat.com>
Subject: Re: [PATCH 1/7] tracing/function-graph-tracer: make arch generic
push pop functions
* Steven Rostedt <rostedt@...dmis.org> wrote:
> On Wed, 18 Feb 2009, Ingo Molnar wrote:
>
> >
> > * Steven Rostedt <rostedt@...dmis.org> wrote:
> >
> > > Ingo,
> > >
> > > This patch is to make function graph arch generic. But since
> > > the PowerPC changes depend on it, we want to push it through
> > > the PowerPC tree. But since it touches x86 code, can you give
> > > an Acked-by to it?
> >
> > hm, but it's all ftrace bits. Could this go through the tracing
> > tree? That's how it's generally done for most cross-arch
> > subsystems. By having it in a separate tree we risk conflicts
> > and various logistics problems. It's not like the PPC tree is
> > modifying its ftrace.c file all that frequently, right?
>
> Ingo,
>
> How about this. We could incorporate some of the power of git.
> I could make a separate branch based off of Linus's 2.6.29-rc5
> announcement, and apply just this patch (the ftrace generic
> and x86 change). If you give me your Acked-by, I'll add that
> too.
>
> This way, both you and Ben could pull from this branch to get
> the one change. When it goes upstream, because it has the same
> SHA1, git could easily resolve it.
Sure, that's fine too - if the separate tree is semantically
meaningful. If it pulls in too many ftrace prerequisites i doubt
it's appropriate for the PPC tree.
Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists