Messages in this thread | | | Date | Wed, 16 Dec 2020 09:19:04 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH] sched: Prevent raising SCHED_SOFTIRQ when CPU is !active |
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On Tue, Dec 15, 2020 at 06:52:49PM +0100, Thomas Gleixner wrote: > I might be missing something, but how is the CPU which runs the pinned > kernel thread, i.e. the hotplug thread, supposed to go idle between the > two calls?
Take a mutex or something other daft. My disabling preemption around it we basically assert the two functions are non-blocking and none of that cruft matters.
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