linux-kernel - Re: [RFC 0/6] uprobes: kill uprobes_srcu/uprobe_srcu

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Message-ID: <20120416113124.GA25464@linux.vnet.ibm.com>
Date:	Mon, 16 Apr 2012 17:01:24 +0530
From:	Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Oleg Nesterov <oleg@...hat.com>, Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ananth N Mavinakayanahalli <ananth@...ibm.com>,
	Jim Keniston <jkenisto@...ux.vnet.ibm.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux-mm <linux-mm@...ck.org>, Andi Kleen <andi@...stfloor.org>,
	Christoph Hellwig <hch@...radead.org>,
	Steven Rostedt <rostedt@...dmis.org>,
	Arnaldo Carvalho de Melo <acme@...radead.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Anton Arapov <anton@...hat.com>
Subject: Re: [RFC 0/6] uprobes: kill uprobes_srcu/uprobe_srcu_id

* Ingo Molnar <mingo@...nel.org> [2012-04-14 13:16:37]:

> 
> * Oleg Nesterov <oleg@...hat.com> wrote:
> 
> > Hello.
> > 
> > Not for inclusion yet, only for the early review.
> 
> Srikar, any objection to these? They look like fine changes to 
> me in principle, making uprobes less of an overhead to other 
> kernel subsystems.
> 

I dont have any objections to Oleg's changes. However as Oleg has said,
they are currently untested. Once the tracing and perf bits are in -tip,
I will add these bits and test them and let you know.

Given that I have tested the current bits in -tip several times, I think
it might be worthwhile to keep these changes on hold till the current
uprobe bits in -tip go upstream. 

Oleg: Would this be acceptable?

-- 
Thanks and Regards
Srikar

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