On 2019-07-01 11:42:15 [+0200], Peter Zijlstra wrote: > I'm not sure if smp_send_reschedule() can be used as self-IPI, some > hardware doesn't particularly like that IIRC. That is, hardware might > only have interfaces to IPI _other_ CPUs, but not self. > > The normal scheduler code takes care to not call smp_send_reschedule() > to self.
and irq_work:
471ba0e686cb1 ("irq_work: Do not raise an IPI when queueing work on the local
CPU")
Sebastian
