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-rw-r--r--accel/tcg/translate-all.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index ad5c758246..356dcd0948 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -2341,7 +2341,7 @@ void cpu_interrupt(CPUState *cpu, int mask)
 {
     g_assert(qemu_mutex_iothread_locked());
     cpu->interrupt_request |= mask;
-    cpu->icount_decr.u16.high = -1;
+    atomic_set(&cpu->icount_decr.u16.high, -1);
 }
 
 /*