Re: [PATCH v5 4/4] arm64: is_compat_task is defined both in asm/compat.h and linux/compat.h

[Will Deacon]

On Sat, Mar 15, 2014 at 05:39:08AM +0000, AKASHI Takahiro wrote:
> Some kernel files may include both linux/compat.h and asm/compat.h directly
> or indirectly. Since both header files contain is_compat_task() under
> !CONFIG_COMPAT, compiling them with !CONFIG_COMPAT will eventually fail.
> Such files include kernel/auditsc.c, kernel/seccomp.c and init/do_mountfs.c
> (do_mountfs.c may read asm/compat.h via asm/ftrace.h once ftrace is
> implemented).
> 
> So this patch proactively
> 1) removes is_compat_task() under !CONFIG_COMPAT from asm/compat.h
> 2) replaces asm/compat.h to linux/compat.h in kernel/*.c,
>    but asm/compat.h is still necessary in ptrace.c and process.c because
>    they use is_compat_thread().
> 
> Signed-off-by: AKASHI Takahiro <takahiro.akashi@xxxxxxxxxx>

  Acked-by: Will Deacon <will.deacon@xxxxxxx>

Will
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