Messages in this thread | | | Date | Fri, 8 Jan 2021 10:05:06 +0100 | From | Sebastian Siewior <> | Subject | Re: [PATCH] [RFC] rt: kernel/sched/core: fix kthread_park() pending too long when CPU un-plugged |
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On 2021-01-08 08:45:14 [+0000], Ran Wang wrote: > Hi Sebastian, Peter Hi,
> > I had a similar patch in -RT and dropped it in v5.10-rc7-rt16. > > It was added because RT couldn't boot since creating the boot-threads didn't work before the ksoftirqd was up. This was fixed by commit > > 26c7295be0c5e ("kthread: Do not preempt current task if it is going to call schedule()") > > I tried applying above commit to linux-5.6.y-rt, it could resolve my problem on LX2160ARDB, THANKS!
so in other words all this could have been avoided by using a supported or maintained RT series. The v5.4 series has this patch, v5.6 isn't maintained anymore so it is likely that there is more missing.
Sebastian
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