Sv: Sv: [PATCH] hrtimer: Interrupt storm on clock_settime

From: Mikael Beckius
Date: Thu Feb 25 2021 - 06:19:34 EST


> The proposed change breaks the reprogramming logic. To keep it working
> cpu_base::*expires_next is only updated by hrtimer_reprogram() and
> hrtimer_interrupt(). I will send you a patch for testing in reply to this
> thread. The patch is compile tested only.
>
Ok. I kind of guessed that would be the response as I noticed a similar comment
during the review of the original patch which introduced the softirq_expires_next
logic. Anyway it seemed logical to update softirq_expires_next
when updating softirq_next_timer.

Micke