From: Ingo Molnar <mingo@elte•hu>
To: "Uwe Kleine-König" <u.kleine-koenig@pengutronix•de>
Cc: Stephen Rothwell <sfr@canb•auug.org.au>,
Thomas Gleixner <tglx@linutronix•de>,
"H. Peter Anvin" <hpa@zytor•com>,
linux-next@vger•kernel.org, Helge Deller <deller@gmx•de>,
Kyle McMartin <kyle@mcmartin•ca>,
linux-parisc@vger•kernel.org,
Steven Rostedt <srostedt@redhat•com>
Subject: Re: linux-next: manual merge of the tracing tree with the parisc tree
Date: Wed, 1 Apr 2009 13:19:01 +0200 [thread overview]
Message-ID: <20090401111901.GD15442@elte.hu> (raw)
In-Reply-To: <20090401111036.GA5894@pengutronix.de>
* Uwe Kleine-König <u.kleine-koenig@pengutronix•de> wrote:
> Hello Ingo,
>
> On Wed, Apr 01, 2009 at 01:05:12PM +0200, Ingo Molnar wrote:
> >
> > * Stephen Rothwell <sfr@canb•auug.org.au> wrote:
> >
> > > Hi all,
> > >
> > > Today's linux-next merge of the tracing tree got a conflict in
> > > arch/parisc/include/asm/ftrace.h between commit
> > > d75f054a2cf0614ff63d534ff21ca8eaab41e713 ("parisc: add ftrace (function
> > > and graph tracer) functionality") from the parisc tree and commit
> > > c79a61f55773d2519fd0525bf58385f7d20752d3 ("tracing: make CALLER_ADDRx
> > > overwriteable") from the tracing tree.
> > >
> > > The former adds a non-trivial version of the file, so I used that.
> >
> > You need to be careful, the two trees likely cannot be combined like
> > that, ftrace will likely stop working on parisc because you combine
> > old-parisc with new-ftrace.
> >
> > If the two trees are integrated without forward-porting the parisc
> > ftrace port to the new facilities, then it's safer to do a trivial
> > patch that disables the ftrace bits on parisc.
>
> I'm not sure that they really conflict. My change ("tracing: make
> CALLER_ADDRx overwriteable") only created the empty include file
> that I can unconditionally include <asm/ftrace.h>.
I know, that commit is not a problem. It just exposed the problem
that these trees got combined in linux-next.
Ingo
next prev parent reply other threads:[~2009-04-01 11:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-01 0:37 linux-next: manual merge of the tracing tree with the parisc tree Stephen Rothwell
2009-04-01 6:54 ` Uwe Kleine-König
2009-04-01 11:05 ` Ingo Molnar
2009-04-01 11:10 ` Uwe Kleine-König
2009-04-01 11:19 ` Ingo Molnar [this message]
2009-04-01 17:50 ` Kyle McMartin
2009-04-02 11:32 ` Stephen Rothwell
2009-04-02 13:54 ` James Bottomley
2009-04-02 15:22 ` Kyle McMartin
2009-04-03 14:15 ` Ingo Molnar
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