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-rw-r--r--cpu-exec.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/cpu-exec.c b/cpu-exec.c
index 525b3b45ee..5f88f3fa89 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -600,8 +600,9 @@ int cpu_exec(CPUState *env1)
TB, but before it is linked into a potentially
infinite loop and becomes env->current_tb. Avoid
starting execution if there is a pending interrupt. */
- if (!unlikely (env->exit_request)) {
- env->current_tb = tb;
+ env->current_tb = tb;
+ barrier();
+ if (likely(!env->exit_request)) {
tc_ptr = tb->tc_ptr;
/* execute the generated code */
#if defined(__sparc__) && !defined(CONFIG_SOLARIS)
@@ -610,7 +611,6 @@ int cpu_exec(CPUState *env1)
#define env cpu_single_env
#endif
next_tb = tcg_qemu_tb_exec(tc_ptr);
- env->current_tb = NULL;
if ((next_tb & 3) == 2) {
/* Instruction counter expired. */
int insns_left;
@@ -639,6 +639,7 @@ int cpu_exec(CPUState *env1)
}
}
}
+ env->current_tb = NULL;
/* reset soft MMU for next block (it can currently
only be set by a memory fault) */
} /* for(;;) */