being serviced by the RTDS scheduler, as that is a
legit situation to be in: think, for instance, of a
newly created RTDS cpupool, with no domains migrated
to it yet.
Signed-off-by: Dario Faggioli <dario.faggi...@citrix.com>
Cc: George Dunlap <george.dun...@eu.citrix.com>
Cc: Meng Xu <xumengpa...@gmail.com>
Cc: Jan Beulich <jbeul...@suse.com>
Cc: Keir Fraser <k...@xen.org>
---
xen/common/sched_rt.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/xen/common/sched_rt.c b/xen/common/sched_rt.c
index df4adac..055a50f 100644
--- a/xen/common/sched_rt.c
+++ b/xen/common/sched_rt.c
@@ -264,18 +264,17 @@ rt_dump(const struct scheduler *ops)
struct list_head *iter_sdom, *iter_svc, *runq, *depletedq, *iter;
struct rt_private *prv = rt_priv(ops);
struct rt_vcpu *svc;
- cpumask_t *online;
struct rt_dom *sdom;
unsigned long flags;
- ASSERT(!list_empty(&prv->sdom));
+ spin_lock_irqsave(&prv->lock, flags);
+
+ if (list_empty(&prv->sdom))
+ goto out;
- sdom = list_entry(prv->sdom.next, struct rt_dom, sdom_elem);
- online = cpupool_scheduler_cpumask(sdom->dom->cpupool);
runq = rt_runq(ops);
depletedq = rt_depletedq(ops);
- spin_lock_irqsave(&prv->lock, flags);
printk("Global RunQueue info:\n");
list_for_each( iter, runq )
{
@@ -303,6 +302,7 @@ rt_dump(const struct scheduler *ops)
}
}
+out:
spin_unlock_irqrestore(&prv->lock, flags);
}
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