ilp32: skip ARM erratum 1418040 for ilp32 application

hulk inclusion
category: feature
bugzilla: 46790
CVE: NA

--------------------------------

ARM erratum 1418040 only affect AARCH32. ILP32 is not affected.
Signed-off-by: NXiongfeng Wang <wangxiongfeng2@hauwei.com>
Acked-by: NXie XiuQi <xiexiuqi@huawei.com>
Signed-off-by: NChen Jun <chenjun102@huawei.com>

arch/arm64/kernel/process.c

@@ -524,8 +524,8 @@ static void erratum_1418040_thread_switch(struct task_struct *prev,
 	if (!IS_ENABLED(CONFIG_ARM64_ERRATUM_1418040))
 		return;
 
-	prev32 = is_compat_thread(task_thread_info(prev));
-	next32 = is_compat_thread(task_thread_info(next));
+	prev32 = is_a32_compat_thread(task_thread_info(prev));
+	next32 = is_a32_compat_thread(task_thread_info(next));
 
 	if (prev32 == next32 || !this_cpu_has_cap(ARM64_WORKAROUND_1418040))
 		return;