linux-kernel - Re: ftrace introduces instability into kernel 2.6.27(-rc2,-rc3)

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Message-ID: <alpine.DEB.1.10.0808201022080.23571@gandalf.stny.rr.com>
Date:	Wed, 20 Aug 2008 10:22:49 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Josh Boyer <jwboyer@...ux.vnet.ibm.com>
cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Eran Liberty <liberty@...ricom.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	Steven Rostedt <srostedt@...hat.com>,
	Alan Modra <amodra@....ibm.com>,
	Scott Wood <scottwood@...escale.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	segher@...nel.crashing.org
Subject: Re: ftrace introduces instability into kernel 2.6.27(-rc2,-rc3)


On Wed, 20 Aug 2008, Josh Boyer wrote:
> 
> Segher was looking at this a bit this morning.  He thinks it's really
> -fno-omit-frame-pointer that is causing this.  That really shouldn't
> even be set on PowerPC, but FTRACE uses select which overrides the
> depends on stuff in Kconfig.

I can easily make a patch that makes that select an x86 only.

-- Steve

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