fix sync issues in vmexit_stats

chinatiny · Sep 2, 2018 · db36987 · db36987
1 parent 81906e9
commit db36987
Showing 1 changed file with 1 addition and 6 deletions.
diff --git a/src/hvpp/hvpp/vmexit_stats.cpp b/src/hvpp/hvpp/vmexit_stats.cpp
@@ -47,15 +47,10 @@ void vmexit_stats_handler::invoke_termination() noexcept
 {
   vmexit_handler::invoke_termination();
 
-  //
-  // Increment number of terminated VCPUs.
-  //
-  terminated_vcpu_count_ += 1;
-
   //
   // Are we the last terminated VCPU?
   //
-  if (terminated_vcpu_count_ == mp::cpu_count())
+  if (terminated_vcpu_count_.fetch_add(1) == (mp::cpu_count() - 1))
   {
     //
     // Handler saves statistics separately for each VCPU.