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Date: Wed, 30 Apr 2008 05:55:39 -0700
From: Andrew Morton <akpm@linux-foundation.org>
To: "Metzger, Markus T" <markus.t.metzger@intel.com>
Cc: <andi-suse@firstfloor.org>, <hpa@zytor.com>,
       <linux-kernel@vger.kernel.org>, <mingo@elte.hu>, <tglx@linutronix.de>,
       <markus.t.metzger@gmail.com>,
       "Siddha, Suresh B" <suresh.b.siddha@intel.com>, <roland@redhat.com>,
       <mtk.manpages@gmail.com>, <eranian@googlemail.com>,
       "Villacis, Juan" <juan.villacis@intel.com>
Subject: Re: [patch] x86, ptrace: in-kernel BTS interface
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On Wed, 30 Apr 2008 13:43:20 +0100 "Metzger, Markus T" <markus.t.metzger@intel.com> wrote:

> >-----Original Message-----
> >From: Andrew Morton [mailto:akpm@linux-foundation.org] 
> >Sent: Mittwoch, 30. April 2008 14:27
> >To: Metzger, Markus T
> 
> >> Provide an in-kernel interface to Branch Trace Store and 
> >implement the
> >> ptrace user interface on top of it.
> >> 
> >> Fix a few bugs that were detected during the perfmon2 adaptation to
> >> the DS interface by Stephane Eranian.
> >> 
> >> The ptrace implementation becomes a rather thin layer that only
> >> forwards requests.
> >> 
> >> The BTS interface may later be morphed into a utrace interface for
> >> execution trace, or it may be used to implement such a utrace
> >> interface on top of it.
> >
> >This appears to be against a version of x86-ptrace-pebs-support
> >which I don't have.
> >
> >I dropped everything - let's start again.
> 
> That was against x86.git#latest.

oh, ok.  Hopefully this run-multiple-trees-to-confuse-everyone problem will
go away soon.

> Do you want me to send patches against some other git? Which one?

I'll let you and Ingo sort it out.