linux-kernel - Re: linux-next: add utrace tree

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Date:	Fri, 29 Jan 2010 10:53:06 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Kyle Moffett <kyle@...fetthome.net>, tytso@....edu,
	"Frank Ch. Eigler" <fche@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	Oleg Nesterov <oleg@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Peter Zijlstra <peterz@...radead.org>,
	Fr??d??ric Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	linux-next@...r.kernel.org, "H. Peter Anvin" <hpa@...or.com>,
	utrace-devel@...hat.com, Thomas Gleixner <tglx@...utronix.de>
Subject: Re: linux-next: add utrace tree

On Mon, 2010-01-25 at 08:52 -0800, Linus Torvalds wrote:
> 
> That said, I also suspect that people should still look seriously at 
> simply just improving ptrace. For example, I suspect that the biggest 
> problem with ptrace is really just the signalling, and that creating a
> new 
> extension for JUST THAT, and then having a model where you can choose
> - at 
> PTRACE_ATTACH time - how to wait for events would be a good thing.

like returning a fd to poll() on ? :-)

Cheers,
Ben.


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