From 2d87f9c7002abaee4965e66bc5a2c7ce229c0829 Mon Sep 17 00:00:00 2001
From: Sai Cao <1665673333@qq.com>
Date: Sat, 16 Nov 2024 11:42:16 +0800
Subject: [PATCH] Fix bug that  CF_NOCACHE TB excuted without regeneration.

---
 qemu/accel/tcg/cpu-exec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qemu/accel/tcg/cpu-exec.c b/qemu/accel/tcg/cpu-exec.c
index f938cfaa70..fc47eecbfc 100644
--- a/qemu/accel/tcg/cpu-exec.c
+++ b/qemu/accel/tcg/cpu-exec.c
@@ -257,7 +257,7 @@ static inline TranslationBlock *tb_find(CPUState *cpu,
     struct hook *hook;
 
     tb = tb_lookup__cpu_state(cpu, &pc, &cs_base, &flags, cf_mask);
-    if (tb == NULL) {
+    if (tb == NULL||tb->cflags&CF_NOCACHE) {
         mmap_lock();
         tb = tb_gen_code(cpu, pc, cs_base, flags, cf_mask);
         mmap_unlock();