Messages in this thread | | | From | Thomas Gleixner <> | Subject | Re: [PATCH] use 64bit timer for hpet | Date | Mon, 12 Jul 2021 09:25:38 +0200 |
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Liao,
On Mon, Jul 12 2021 at 12:52, Linux wrote: >> Sorry, keeping the softirq from running for 3 minutes is simply out of >> spec. If the sysadmin decides to do so, then he can keep the pieces. > > It is because the kernel thread is busy that the clocksource_watchdog > thread is not scheduled, not softirq.
Which thread?
The clocksource watchdog runs from a timer_list timer callback in softirq context. Even if the softirq is switched to the softirq thread then still my argument of starving that for 3 minutes still stands.
This is _not_ a kernel problem. Overcommitment is a admin problem.
Thanks,
tglx
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