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-rw-r--r--translate-all.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/translate-all.c b/translate-all.c
index 8a861cb583..f810259c41 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -55,6 +55,7 @@
 #include "translate-all.h"
 #include "qemu/bitmap.h"
 #include "qemu/timer.h"
+#include "qemu/main-loop.h"
 #include "exec/log.h"
 
 /* #define DEBUG_TB_INVALIDATE */
@@ -1523,7 +1524,7 @@ void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end,
 #ifdef CONFIG_SOFTMMU
 /* len must be <= 8 and start must be a multiple of len.
  * Called via softmmu_template.h when code areas are written to with
- * tb_lock held.
+ * iothread mutex not held.
  */
 void tb_invalidate_phys_page_fast(tb_page_addr_t start, int len)
 {
@@ -1725,7 +1726,10 @@ void tb_check_watchpoint(CPUState *cpu)
 
 #ifndef CONFIG_USER_ONLY
 /* in deterministic execution mode, instructions doing device I/Os
-   must be at the end of the TB */
+ * must be at the end of the TB.
+ *
+ * Called by softmmu_template.h, with iothread mutex not held.
+ */
 void cpu_io_recompile(CPUState *cpu, uintptr_t retaddr)
 {
 #if defined(TARGET_MIPS) || defined(TARGET_SH4)
@@ -1937,6 +1941,7 @@ void dump_opcount_info(FILE *f, fprintf_function cpu_fprintf)
 
 void cpu_interrupt(CPUState *cpu, int mask)
 {
+    g_assert(qemu_mutex_iothread_locked());
     cpu->interrupt_request |= mask;
     cpu->tcg_exit_req = 1;
 }