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From:   Michael Ellerman <mpe@ellerman.id.au>
To:     Arnd Bergmann <arnd@arndb.de>,
        Andrew Morton <akpm@linux-foundation.org>
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        Firoz Khan <firoz.khan@linaro.org>,
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        sparclinux@vger.kernel.org, Arnd Bergmann <arnd@arndb.de>
Subject: Re: [PATCH 2/2] arch: add pidfd and io_uring syscalls everywhere
In-Reply-To: <20190325144737.703921-1-arnd@arndb.de>
References: <20190325143521.34928-1-arnd@arndb.de> <20190325144737.703921-1-arnd@arndb.de>
Date:   Sun, 31 Mar 2019 20:47:13 +1100
Message-ID: <87y34vl6ji.fsf@concordia.ellerman.id.au>
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Sender: linux-kernel-owner@vger.kernel.org
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Arnd Bergmann <arnd@arndb.de> writes:
> 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>
> ---
>  arch/alpha/kernel/syscalls/syscall.tbl      | 4 ++++
>  arch/arm/tools/syscall.tbl                  | 4 ++++
>  arch/arm64/include/asm/unistd.h             | 2 +-
>  arch/arm64/include/asm/unistd32.h           | 8 ++++++++
>  arch/ia64/kernel/syscalls/syscall.tbl       | 4 ++++
>  arch/m68k/kernel/syscalls/syscall.tbl       | 4 ++++
>  arch/microblaze/kernel/syscalls/syscall.tbl | 4 ++++
>  arch/mips/kernel/syscalls/syscall_n32.tbl   | 4 ++++
>  arch/mips/kernel/syscalls/syscall_n64.tbl   | 4 ++++
>  arch/mips/kernel/syscalls/syscall_o32.tbl   | 4 ++++
>  arch/parisc/kernel/syscalls/syscall.tbl     | 4 ++++
>  arch/powerpc/kernel/syscalls/syscall.tbl    | 4 ++++

Have you done any testing?

I'd rather not wire up syscalls that have never been tested at all on
powerpc.

cheers