Messages in this thread | | | Date | Thu, 1 Dec 2016 15:11:39 +0100 | From | Sebastian Andrzej Siewior <> | Subject | Re: [PATCH] arm: kprobe: replace patch_lock to raw lock |
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On 2016-11-10 16:17:55 [-0800], Yang Shi wrote: > > Since patch_text_stop_machine() is called in stop_machine() which disables IRQ, > sleepable lock should be not used in this atomic context, so replace patch_lock > to raw lock.
I am taking this one. Thank you. We have jump_labels() deactivated on ARM because stop_machine() may cause latencies at runtime. kprobe and kgdb is used by the user on purpose (and not because he changed some sched setting) I think we are fine. I am going to document this.
> Signed-off-by: Yang Shi <yang.shi@linaro.org>
Sebastian
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