> -Original Message-
> From: Andy Lutomirski [mailto:l...@amacapital.net]
> Sent: Sunday, November 30, 2014 12:14 AM
> To: Ingo Molnar; Thomas Gleixner; linux-kernel@vger.kernel.org
> Cc: Peter Zijlstra; Andy Lutomirski; Liu, Chuansheng
> Subject: [PATCH urgent v2] sche
Locklessly doing is_idle_task(rq->curr) is only okay because of RCU
protection. The older variant of the broken code checked
rq->curr == rq->idle instead and therefore didn't need RCU.
Fixes: f6be8af1c95d sched: Add new API wake_up_if_idle() to wake up the idle cpu
Cc: Chuansheng Liu
Signed-off-
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