On 07/25, Oleg Nesterov wrote: > > IMHO this makes sense in any case, but mostly this is preparation for > another change: show_state_filter() should be preemptible. But this needs > more discussion, I'll write another email/patch when I fully understand > the hard-lockup caused by sysrq-t.
Yes, we need to do something with show_state_filter() anyway, I think. OTOH, I believe this simple change in multi_cpu_stop() makes sense too regardless. Oleg.
