Messages in this thread | | | Date | Mon, 2 Aug 2021 08:48:39 +0200 | From | Sebastian Andrzej Siewior <> | Subject | Re: [PREEMPT_RT][PATCH] printk: Enhance the condition check of msleep in pr_flush() |
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On 2021-07-30 16:52:42 [+0206], John Ogness wrote: > On 2021-07-30, Sebastian Andrzej Siewior <bigeasy@linutronix.de> wrote: > > I don't have more context but scheduling should work starting with > > SYSTEM_SCHEDULING. > > I also thought this, but a quick test shows that is not the case. For > example, init/main.c:kernel_init() is called in preemptible context, but > msleep() will hang if called at the beginning of that function.
hmm. So the timer device is missing. Everything else is fine.
> John Ogness
Sebastian
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