[PATCH 08/19] arm64: introduce is_a32_task and is_a32_thread (for AArch32 compat)

Andreas Schwab
2016-06-21T11:34:59Z

"Zhangjian (Bamvor)" <bamvor.zhangjian@huawei.com> writes:

>> @@ -78,9 +79,9 @@
>>
>> #ifdef CONFIG_COMPAT
>> #define TASK_SIZE_32 UL(0x100000000)
>> -#define TASK_SIZE (test_thread_flag(TIF_32BIT) ? \
>> +#define TASK_SIZE (is_compat_task() ? \
>> TASK_SIZE_32 : TASK_SIZE_64)
>> -#define TASK_SIZE_OF(tsk) (test_tsk_thread_flag(tsk, TIF_32BIT) ? \
>> +#define TASK_SIZE_OF(tsk) (is_compat_thread(tsk) ? \
> It should be
> +#define TASK_SIZE_OF(tsk) (is_compat_thread(task_thread_info(tsk)) ? \
> is_compat_thread takes "struct thread_info *thread" while TASK_SIZE_OF takes
> "struct task_struct *tsk"tsk.

If that doesn't throw an error does that mean that TASK_SIZE_OF is
unused?

Andreas.

--
Andreas Schwab, SUSE Labs, schwab at suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."