On 03/03/2015 12:42 PM, Paul E. McKenney wrote:
}
@@ -511,7 +508,8 @@ static void xen_cpu_die(unsigned int cpu)
schedule_timeout(HZ/10);
}
- cpu_die_common(cpu);
+ (void)cpu_wait_death(cpu, 5);
+ /* FIXME: Are the below calls really safe in case of timeout? */
Not for HVM guests (PV guests will only reach this point after target
cpu has been marked as down by the hypervisor).
We need at least to have a message similar to what native_cpu_die()
prints on cpu_wait_death() failure. And I think we should not call the
two routines below (three, actually --- there is also
xen_teardown_timer() below, which is not part of the diff).
-boris
xen_smp_intr_free(cpu);
xen_uninit_lock_cpu(cpu);
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