linux-kernel - Re: [RFC] [PATCH 4/7] Uprobes Implementation

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Message-ID: <1263565509.4244.432.camel@laptop>
Date:	Fri, 15 Jan 2010 15:25:09 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:	"Frank Ch. Eigler" <fche@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Mark Wielaard <mjw@...hat.com>,
	utrace-devel <utrace-devel@...hat.com>
Subject: Re: [RFC] [PATCH 4/7] Uprobes Implementation

On Fri, 2010-01-15 at 19:50 +0530, Srikar Dronamraju wrote:

> > Srikar seemed to suggest it needed stop/resume.
> > 
> 
> If process traps, We dont need to stop/resume other threads.
> uprobes needs threads to quiesce when inserting/deleting the breakpoint.

Right, I don't think we need to at all. See the CoW thing from previous
emails.

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