Re: [PATCH -rt] printk: Disable migration instead of preemption

From: Peter Zijlstra
Date: Mon Dec 12 2011 - 11:48:05 EST


On Mon, 2011-12-12 at 17:35 +0100, Thomas Gleixner wrote:
>
> The point is that we drop that lock further down and on RT we also
> reenable interrupts, so we have to prevent that we get migrated away.
>
Oh ok. I missed -rt reenabling interrupts somewhere down there.

Do note that these preempt_disable/enable calls are gone upstream.
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