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SubjectRe: [PATCH V9 05/21] csky: System Call
On Tue, Oct 16, 2018 at 5:01 AM Guo Ren <> wrote:
> This patch adds files related to syscall.
> Signed-off-by: Guo Ren <>
> Cc: Arnd Bergmann <>

Reviewed-by: Arnd Bergmann <>

I had a detailed look at this one and provided lots of comments, however
one tiny thing escaped me:

> +#define __NR_set_thread_area (__NR_arch_specific_syscall + 0)
> +__SYSCALL(__NR_set_thread_area, sys_set_thread_area)
> +#define __NR_cacheflush (__NR_arch_specific_syscall + 4)
> +__SYSCALL(__NR_cacheflush, sys_cacheflush)

It's odd that the second one uses __NR_arch_specific_syscall + 4 rather
than +1. If you can still change that changing too much other stuff,
that might avoid some head-scratching later. If it causes problems,
just leave it and maybe add a comment saying that the numbers
inbetween are still available.


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