Re: [PATCH] memcg: remove unneeded preempt_disable

Peter Zijlstra
2011-08-25T18:54:07Z

On Thu, 2011-08-25 at 20:49 +0200, Peter Zijlstra wrote:
> the ARM LL/SC constraints pretty much mandate we do
> preempt_disable()/preempt_enable() around them,

My bad, that was MIPS, it states that portable programs should not issue
load/store/prefetch insn inside a LL/SC region or the behaviour is
undefined or somesuch.