linux-kernel - Re: [PATCH 00/15] arch: synchronize syscall tables in preparation for y2038

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Date:   Fri, 11 Jan 2019 09:07:43 +0100
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     y2038 Mailman List <y2038@...ts.linaro.org>,
        Linux API <linux-api@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Ivan Kokshaysky <ink@...assic.park.msu.ru>,
        Matt Turner <mattst88@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Tony Luck <tony.luck@...el.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Michal Simek <monstr@...str.eu>,
        Paul Burton <paul.burton@...s.com>,
        Helge Deller <deller@....de>,
        Michael Ellerman <mpe@...erman.id.au>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Rich Felker <dalias@...c.org>,
        "David S. Miller" <davem@...emloft.net>,
        Andy Lutomirski <luto@...nel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        "the arch/x86 maintainers" <x86@...nel.org>,
        Max Filippov <jcmvbkbc@...il.com>,
        Firoz Khan <firoz.khan@...aro.org>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        Deepa Dinamani <deepa.kernel@...il.com>,
        Dominik Brodowski <linux@...inikbrodowski.net>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Davidlohr Bueso <dave@...olabs.net>,
        alpha <linux-alpha@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        "linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>,
        linux-m68k <linux-m68k@...ts.linux-m68k.org>,
        linux-mips@...r.kernel.org,
        Parisc List <linux-parisc@...r.kernel.org>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        linux-s390 <linux-s390@...r.kernel.org>,
        Linux-sh list <linux-sh@...r.kernel.org>,
        sparclinux <sparclinux@...r.kernel.org>
Subject: Re: [PATCH 00/15] arch: synchronize syscall tables in preparation for y2038

Hi Arnd,

On Thu, Jan 10, 2019 at 11:43 PM Arnd Bergmann <arnd@...db.de> wrote:
> On Thu, Jan 10, 2019 at 7:11 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> > On Thu, Jan 10, 2019 at 6:06 PM Arnd Bergmann <arnd@...db.de> wrote:
> > > On Thu, Jan 10, 2019 at 5:59 PM Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> > > > On Thu, Jan 10, 2019 at 5:26 PM Arnd Bergmann <arnd@...db.de> wrote:
> > > > > The system call tables have diverged a bit over the years, and a number
> > > > > of the recent additions never made it into all architectures, for one
> > > > > reason or another.
> > > > >
> > > > > This is an attempt to clean it up as far as we can without breaking
> > > > > compatibility, doing a number of steps:
> > > >
> > > > Thanks a lot!
> > > >
> > > > > - Add system calls that have not yet been integrated into all
> > > > >   architectures but that we definitely want there.
> > > >
> > > > It looks like you missed wiring up io_pgetevents() on m68k.
> > > > Is that intentional?
> > >
> > > Yes, I thought I had described that somewhere but maybe I
> > > forgot: semtimedop() and io_pgetevents() get replaced with
> > > time64 versions in the follow-up, so I only added them in
> > > 64-bit architectures. If you think we should have both
> > > io_pgetevents() and io_pgetevents_time32() on all 32-bit
> > > architectures, I can add that as well.
> >
> > Thanks, sounds fine to me.
>
> Just to be sure, you mean it's fine to not add it, not that we should
> add it?

I'm fine with not having the legacy 32-bit ones.

Sorry for being unclear.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-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