[PATCH] smp: assert that all affected CPUs are online in on_selected_cpus()

* [PATCH] smp: assert that all affected CPUs are online in on_selected_cpus()
@ 2017-05-31  7:49 Jan Beulich
  2017-05-31  9:52 ` Wei Liu
  2017-05-31 12:45 ` Andrew Cooper
  0 siblings, 2 replies; 3+ messages in thread
From: Jan Beulich @ 2017-05-31  7:49 UTC (permalink / raw)
  To: xen-devel
  Cc: Stefano Stabellini, Wei Liu, George Dunlap, Andrew Cooper,
	Ian Jackson, Tim Deegan, Boris Ostrovsky

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Signed-off-by: Jan Beulich <jbeulich@suse.com>
Suggested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

--- a/xen/common/smp.c
+++ b/xen/common/smp.c
@@ -53,6 +53,7 @@ void on_selected_cpus(
     unsigned int nr_cpus;
 
     ASSERT(local_irq_is_enabled());
+    ASSERT(cpumask_subset(selected, &cpu_online_map));
 
     spin_lock(&call_lock);
 




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smp: assert that all affected CPUs are online in on_selected_cpus()

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Suggested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

--- a/xen/common/smp.c
+++ b/xen/common/smp.c
@@ -53,6 +53,7 @@ void on_selected_cpus(
     unsigned int nr_cpus;
 
     ASSERT(local_irq_is_enabled());
+    ASSERT(cpumask_subset(selected, &cpu_online_map));
 
     spin_lock(&call_lock);
 

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