linux-kernel - Re: [RFC PATCH 4/5] RCU: Add TASK_RCU

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Date:	Thu, 31 Mar 2011 12:25:57 -0700
From:	"H. Peter Anvin" <hpa@...ux.intel.com>
To:	Lai Jiangshan <laijs@...fujitsu.com>
CC:	paulmck@...ux.vnet.ibm.com, Jan Beulich <JBeulich@...ell.com>,
	Ingo Molnar <mingo@...e.hu>,
	Alexander van Heukelum <heukelum@...tmail.fm>,
	Dipankar Sarma <dipankar@...ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Sam Ravnborg <sam@...nborg.org>,
	David Howells <dhowells@...hat.com>,
	Oleg Nesterov <oleg@...hat.com>,
	Roland McGrath <roland@...hat.com>,
	Serge Hallyn <serue@...ibm.com>, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [RFC PATCH 4/5] RCU: Add TASK_RCU_OFFSET

On 03/29/2011 10:25 PM, Lai Jiangshan wrote:
> 
> RCU is one of the most import subsystem,
> I think it is worth to do such "wrong" way.
> 

No, that's the wrong way to look at it.

RCU is important enough that it's worth creating disruption over doing
it correctly.

	-hpa
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