1 files changed, 11 insertions, 0 deletions
diff --git a/accel/tcg/internal-common.h b/accel/tcg/internal-common.h
index 5d5247442e..3b2277e6e9 100644
--- a/accel/tcg/internal-common.h
+++ b/accel/tcg/internal-common.h
@@ -9,9 +9,20 @@
 #ifndef ACCEL_TCG_INTERNAL_COMMON_H
 #define ACCEL_TCG_INTERNAL_COMMON_H
 
+#include "exec/translation-block.h"
+
 extern int64_t max_delay;
 extern int64_t max_advance;
 
 void dump_exec_info(GString *buf);
 
+/*
+ * Return true if CS is not running in parallel with other cpus, either
+ * because there are no other cpus or we are within an exclusive context.
+ */
+static inline bool cpu_in_serial_context(CPUState *cs)
+{
+    return !(cs->tcg_cflags & CF_PARALLEL) || cpu_in_exclusive_context(cs);
+}
+
 #endif