2016-09-15 0:08 GMT+03:00 Kyle Huey <[email protected]>:
> Signed-off-by: Kyle Huey <[email protected]>
> ---
> arch/x86/entry/syscalls/syscall_32.tbl | 1 +
> arch/x86/kernel/process.c | 80
> ++++++++++++++++++++++++++++++++++
> arch/x86/kernel/process_64.c | 66 ----------------------------
> 3 files changed, 81 insertions(+), 66 deletions(-)
>
> diff --git a/arch/x86/entry/syscalls/syscall_32.tbl
> b/arch/x86/entry/syscalls/syscall_32.tbl
> index f848572..3b6965b 100644
> --- a/arch/x86/entry/syscalls/syscall_32.tbl
> +++ b/arch/x86/entry/syscalls/syscall_32.tbl
> @@ -386,3 +386,4 @@
> 377 i386 copy_file_range sys_copy_file_range
> 378 i386 preadv2 sys_preadv2
> compat_sys_preadv2
> 379 i386 pwritev2 sys_pwritev2
> compat_sys_pwritev2
> +380 i386 arch_prctl sys_arch_prctl
Why not define it as other 32-bit syscalls with compat_sys_ prefix
with the help of COMPAT_SYSCALL_DEFINE() macro?
Then you could omit code moving, drop is_32 helper.
I miss something obvious?
--
Dmitry
