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Re: [PATCH] x86: Wire up 32-bit direct socket calls

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On Fri, Sep 11, 2015 at 10:46 AM, Arnd Bergmann <arnd@arndb.de> wrote:
> On Friday 11 September 2015 10:24:29 Heiko Carstens wrote:
>>
>> FWIW, the s390 approach (ignoring the "new" system calls) is only temporarily.
>> I'll enable the seperate calls later when I have time to test everything,
>> especially the glibc stuff.
>
> Ok, thanks for clarifying.
>
>> The same is true for the ipc system call. (any reason why the seperate system
>> calls haven't been enabled on x86 now as well?)
>
> Agreed, we should split that out on all architectures as well.
> Almost the same set of architectures that have sys_socketcall also
> have sys_ipc, and the reasons for changing are identical. I don't
> think we have any other system calls that are handled like this
> on some architectures but not on others. There are a couple of
> system calls (e.g. futex) that are also multiplexers, but at
> least they do it consistently.

To make sure I don't miss any (it seems I missed recvmmsg and sendmmsg for
the socketcall case, sigh), this is the list of ipc syscalls to implement?

    sys_msgget
    sys_msgctl
    sys_msgrcv
    sys_msgsnd
    sys_semget
    sys_semctl
    sys_semtimedop
    sys_shmget
    sys_shmctl
    sys_shmat
    sys_shmdt

sys_semop() seems to be unneeded because it can be implemented using
sys_semtimedop()?

Thanks!

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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Re: [PATCH] x86: Wire up 32-bit direct socket calls Arnd Bergmann <arnd@arndb.de> - 2015-09-07 15:00 +0200
  Re: [PATCH] x86: Wire up 32-bit direct socket calls Heiko Carstens <heiko.carstens@de.ibm.com> - 2015-09-11 10:30 +0200
    Re: [PATCH] x86: Wire up 32-bit direct socket calls Arnd Bergmann <arnd@arndb.de> - 2015-09-11 10:50 +0200
      Re: [PATCH] x86: Wire up 32-bit direct socket calls Geert Uytterhoeven <geert@linux-m68k.org> - 2015-09-11 12:00 +0200
        Re: [PATCH] x86: Wire up 32-bit direct socket calls Arnd Bergmann <arnd@arndb.de> - 2015-09-11 12:20 +0200
          Re: [PATCH] x86: Wire up 32-bit direct socket calls Andy Lutomirski <luto@amacapital.net> - 2015-09-11 18:40 +0200
            Re: [PATCH] x86: Wire up 32-bit direct socket calls Ingo Molnar <mingo@kernel.org> - 2015-09-14 15:40 +0200
              Re: [PATCH] x86: Wire up 32-bit direct socket calls "H. Peter Anvin" <hpa@zytor.com> - 2015-09-15 23:00 +0200

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