Signed-off-by: Emilio G. Cota <c...@braap.org>
---
 hw/i386/pc.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 83a444472b..7371cd9960 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -158,7 +158,18 @@ static uint64_t ioportF0_read(void *opaque, hwaddr addr, 
unsigned size)
 /* TSC handling */
 uint64_t cpu_get_tsc(CPUX86State *env)
 {
-    return cpu_get_ticks();
+    uint64_t ret;
+    bool locked;
+
+    locked = qemu_mutex_iothread_locked();
+    if (!locked) {
+        qemu_mutex_lock_iothread();
+    }
+    ret = cpu_get_ticks();
+    if (!locked) {
+        qemu_mutex_unlock_iothread();
+    }
+    return ret;
 }
 
 /* IRQ handling */
-- 
2.17.1


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