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    SubjectRe: [PATCH 2/2] arch: add pidfd and io_uring syscalls everywhere
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    Arnd Bergmann <arnd@arndb.de> writes:
    > diff --git a/arch/powerpc/kernel/syscalls/syscall.tbl b/arch/powerpc/kernel/syscalls/syscall.tbl
    > index b18abb0c3dae..00f5a63c8d9a 100644
    > --- a/arch/powerpc/kernel/syscalls/syscall.tbl
    > +++ b/arch/powerpc/kernel/syscalls/syscall.tbl
    > @@ -505,3 +505,7 @@
    > 421 32 rt_sigtimedwait_time64 sys_rt_sigtimedwait compat_sys_rt_sigtimedwait_time64
    > 422 32 futex_time64 sys_futex sys_futex
    > 423 32 sched_rr_get_interval_time64 sys_sched_rr_get_interval 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

    Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

    Lightly tested.

    The pidfd_test selftest passes.

    Ran the io_uring example from fio, which prints lots of:

    IOPS=209952, IOS/call=32/32, inflight=117 (117), Cachehit=0.00%
    IOPS=209952, IOS/call=32/32, inflight=116 (116), Cachehit=0.00%
    IOPS=209920, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
    IOPS=209952, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
    IOPS=209920, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
    IOPS=209952, IOS/call=32/32, inflight=115 (115), Cachehit=0.00%
    IOPS=210016, IOS/call=32/32, inflight=114 (114), Cachehit=0.00%
    IOPS=210016, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
    IOPS=210048, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
    IOPS=210016, IOS/call=32/32, inflight=113 (113), Cachehit=0.00%
    IOPS=210048, IOS/call=32/32, inflight=112 (112), Cachehit=0.00%
    IOPS=210016, IOS/call=32/32, inflight=110 (110), Cachehit=0.00%
    IOPS=210048, IOS/call=32/32, inflight=105 (105), Cachehit=0.00%
    IOPS=210048, IOS/call=32/32, inflight=104 (104), Cachehit=0.00%
    IOPS=210080, IOS/call=32/32, inflight=102 (102), Cachehit=0.00%
    IOPS=210112, IOS/call=32/32, inflight=100 (100), Cachehit=0.00%
    IOPS=210080, IOS/call=32/32, inflight=97 (97), Cachehit=0.00%
    IOPS=210112, IOS/call=32/32, inflight=97 (97), Cachehit=0.00%
    IOPS=210112, IOS/call=32/31, inflight=126 (126), Cachehit=0.00%
    IOPS=210048, IOS/call=32/32, inflight=126 (126), Cachehit=0.00%
    IOPS=210048, IOS/call=32/32, inflight=125 (125), Cachehit=0.00%
    IOPS=210016, IOS/call=32/32, inflight=119 (119), Cachehit=0.00%
    IOPS=210048, IOS/call=32/32, inflight=117 (117), Cachehit=0.00%
    IOPS=210016, IOS/call=32/32, inflight=114 (114), Cachehit=0.00%
    IOPS=210048, IOS/call=32/32, inflight=111 (111), Cachehit=0.00%
    IOPS=210048, IOS/call=32/32, inflight=108 (108), Cachehit=0.00%
    IOPS=210048, IOS/call=32/32, inflight=107 (107), Cachehit=0.00%
    IOPS=210048, IOS/call=32/32, inflight=105 (105), Cachehit=0.00%

    Which is good I think?


    cheers

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