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

Heiko Carstens
2019-03-30T09:42:36Z

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@arndb.de>

> 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@de.ibm.com>