1 files changed, 6 insertions, 0 deletions
diff --git a/exec.c b/exec.c
index 4c84389b56..ab30629367 100644
--- a/exec.c
+++ b/exec.c
@@ -2064,6 +2064,12 @@ static void check_watchpoint(int offset, int len, MemTxAttrs attrs, int flags)
                     continue;
                 }
                 cpu->watchpoint_hit = wp;
+
+                /* The tb_lock will be reset when cpu_loop_exit or
+                 * cpu_loop_exit_noexc longjmp back into the cpu_exec
+                 * main loop.
+                 */
+                tb_lock();
                 tb_check_watchpoint(cpu);
                 if (wp->flags & BP_STOP_BEFORE_ACCESS) {
                     cpu->exception_index = EXCP_DEBUG;