clean up env->current_tb
There are three paths from the innermost while loop of cpu_exec
to the top of the outermost for loop. Two do not reset
env->current_tb. Fix this.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/cpu-exec.c b/cpu-exec.c
index 2f119a9..2b3e698 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -56,6 +56,7 @@
void cpu_loop_exit(void)
{
+ env->current_tb = NULL;
longjmp(env->jmp_env, 1);
}
@@ -107,6 +108,7 @@
env->current_tb = tb;
/* execute the generated code */
next_tb = tcg_qemu_tb_exec(tb->tc_ptr);
+ env->current_tb = NULL;
if ((next_tb & 3) == 2) {
/* Restore PC. This may happen if async event occurs before