linux-kernel - Re: [patch] x86, ptrace: support pebs in ds.c and disable ptraceand ds support

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Message-ID: <20080327095803.GB15003@elte.hu>
Date:	Thu, 27 Mar 2008 10:58:03 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	"Metzger, Markus T" <markus.t.metzger@...el.com>
Cc:	ak@...e.de, hpa@...or.com, linux-kernel@...r.kernel.org,
	tglx@...utronix.de, markus.t.metzger@...il.com,
	"Siddha, Suresh B" <suresh.b.siddha@...el.com>, roland@...hat.com,
	akpm@...ux-foundation.org, mtk.manpages@...il.com,
	eranian@...glemail.com, "Villacis, Juan" <juan.villacis@...el.com>
Subject: Re: [patch] x86, ptrace: support pebs in ds.c and disable
	ptraceand ds support


* Metzger, Markus T <markus.t.metzger@...el.com> wrote:

> > we could apply this if Roland Acks it - but i guess a precondition 
> > for that is to not include more ptrace extensions and to also start 
> > working on utrace support for it. Ptrace is something we want to 
> > reduce usage of, not extend.
> 
> The patch is not adding new features. It is merely re-establishing the 
> state before the patch mysteriously disappeared from x86#testing.

well, Roland is the de-facto ptrace maintainer and he has NAK-ed the 
current approach of extending ptrace, so i removed the patch. Is there 
anything particularly wrong about doing this based on utrace? The API 
will hit upstream in 2.6.26 or 2.6.27.

	Ingo
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