Re: [patch-3.18.7-rt1] sched/context-tracking: fix PREEMPT_LAZY explosions

From: Sebastian Andrzej Siewior
Date: Mon Mar 09 2015 - 09:45:52 EST


* Mike Galbraith | 2015-02-18 12:21:54 [+0100]:

>On Mon, 2015-02-16 at 12:18 +0100, Sebastian Andrzej Siewior wrote:
>
>> Known issues:
>>
>> - lazy preempt on x86_64 leads to a crash with some load.
>
>The below still works for me. (it doesn't make nohz_full actually work
>in rt, but at least folks who want to tinker with it can do so)
So your box still crashes without it?

The thing is I tried to reproduce it and it does not occur anymore.
Neither in KVM nor on real HW.

Sebastian
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