Re: [PATCH 2/2] arch: add pidfd and io_uring syscalls everywhere

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On Mon, Mar 25, 2019 at 03:47:37PM +0100, Arnd Bergmann wrote:
> Add the io_uring and pidfd_send_signal system calls to all architectures.
> 
> These system calls are designed to handle both native and compat tasks,
> so all entries are the same across architectures, only arm-compat and
> the generic tale still use an old format.
> 
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>

> diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl
> index 02579f95f391..3eb56e639b96 100644
> --- a/arch/s390/kernel/syscalls/syscall.tbl
> +++ b/arch/s390/kernel/syscalls/syscall.tbl
> @@ -426,3 +426,7 @@
>  421	32	rt_sigtimedwait_time64	-				compat_sys_rt_sigtimedwait_time64
>  422	32	futex_time64		-				sys_futex
>  423	32	sched_rr_get_interval_time64	-			sys_sched_rr_get_interval
> +424	common	pidfd_send_signal		sys_pidfd_send_signal
> +425	common	io_uring_setup			sys_io_uring_setup
> +426	common	io_uring_enter			sys_io_uring_enter
> +427	common	io_uring_register		sys_io_uring_register

I was just about to write that io_uring_enter is missing compat
handling, but your first patch actually fixes that. Would have been
good to be cc'ed on both patches :)

For s390:
Acked-by: Heiko Carstens <heiko.carstens@xxxxxxxxxx>




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