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

From: [email-masked] (Andreas Schwab)
Date: Tue, 21 Jun 2016 13:34:59 +0200

"Zhangjian (Bamvor)" <[email-masked]> 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
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