[Qemu-devel] [PATCH v2 2/2] target/lm32: hold BQL in gdbstub

[Michael Walle]

Changing the IP/IM registers may cause interrupts, so hold the BQL.

Cc: address@hidden
Signed-off-by: Michael Walle <address@hidden>
---
 target/lm32/gdbstub.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/target/lm32/gdbstub.c b/target/lm32/gdbstub.c
index cf929dd392..dac9418a2b 100644
--- a/target/lm32/gdbstub.c
+++ b/target/lm32/gdbstub.c
@@ -18,6 +18,7 @@
  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
 #include "qemu/osdep.h"
+#include "qemu/main-loop.h"
 #include "qemu-common.h"
 #include "cpu.h"
 #include "exec/gdbstub.h"
@@ -82,10 +83,14 @@ int lm32_cpu_gdb_write_register(CPUState *cs, uint8_t 
*mem_buf, int n)
             env->ie = tmp;
             break;
         case 37:
+            qemu_mutex_lock_iothread();
             lm32_pic_set_im(env->pic_state, tmp);
+            qemu_mutex_unlock_iothread();
             break;
         case 38:
+            qemu_mutex_lock_iothread();
             lm32_pic_set_ip(env->pic_state, tmp);
+            qemu_mutex_unlock_iothread();
             break;
         }
     }
-- 
2.11.0