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Subject: Re: [RFC PATCH] introduce sys_membarrier(): process-wide memory
 barrier (v3a)
From: Peter Zijlstra <peterz@infradead.org>
To: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
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Date: Mon, 11 Jan 2010 22:19:51 +0100
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On Mon, 2010-01-11 at 15:52 -0500, Mathieu Desnoyers wrote:
> >  1) don't like that memory barrier in the generic code, 
> 
> Would that help if we proceed to arch-per-arch modification of
> switch_mm() instead ? 

Much preferred indeed.