cpu-exec: reset BQL after longjmp in cpu_exec_step_atomic

Just like we do in cpu_exec(). Reported-by: Max Filippov <[email protected]> Tested-by: Max Filippov <[email protected]> Signed-off-by: Emilio G. Cota <[email protected]> Reviewed-by: Richard Henderson <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
dreddy · Feb 5, 2019 · 6aaa24f · 6aaa24f
1 parent 8fd3a9b
commit 6aaa24f
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
@@ -266,6 +266,9 @@ void cpu_exec_step_atomic(CPUState *cpu)
 #ifndef CONFIG_SOFTMMU
         tcg_debug_assert(!have_mmap_lock());
 #endif
+        if (qemu_mutex_iothread_locked()) {
+            qemu_mutex_unlock_iothread();
+        }
         assert_no_pages_locked();
     }