From: Arnd Bergmann <arnd@arndb.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>,
        Andy Lutomirski <luto@amacapital.net>
Cc: Andreas Schwab <schwab@suse.de>,
        "linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
        Yury Norov <ynorov@caviumnetworks.com>,
        Catalin Marinas <catalin.marinas@arm.com>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        pinskia@gmail.com, Prasun.Kapoor@caviumnetworks.com,
        Nathan Lynch <Nathan_Lynch@mentor.com>, Alexander Graf <agraf@suse.de>,
        klimov.linux@gmail.com, Mark Brown <broonie@kernel.org>,
        jan.dakinevich@gmail.com, David Daney <ddaney.cavm@gmail.com>,
        bamvor.zhangjian@huawei.com, philipp.tomsich@theobroma-systems.com,
        andrey.konovalov@linaro.org,
        "Joseph S. Myers" <joseph@codesourcery.com>,
        christoph.muellner@theobroma-systems.com
Subject: Re: [PATCH v6 15/19] arm64: ilp32: force IPC_64 in msgctl, shmctl, semctl
Date: Wed, 18 Nov 2015 13:04:02 +0100
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On Wednesday 18 November 2015 11:07:26 Geert Uytterhoeven wrote:
> >
> > I've done a complete list of what the architectures (see
> > https://docs.google.com/spreadsheets/d/18GxXEHE2ywnSr-SPoGFd1ABz6wEM1ex-JMu5lEraaH8/ )
> >
> > We have these categories:
> >
> > 1. uses IPC_PARSE_VERSION with sys_ipc, and has just introduced
> >    separate syscalls:
> >
> >     arm, avr32, powerpc, x86-32
> 
> x86-32, where?

My mistake. x86 uses a different way to do this, so I didn't see it
using grep and just assumed that Andy Lutomirski had patched it already
based on my memory of

https://sourceware.org/ml/libc-alpha/2015-09/msg00323.html

> > 2. uses IPC_PARSE_VERSION with sys_ipc, and has not yet introduced
> >    separate syscalls (currently producing a compile warning):
> >
> >    cris, frv, m32r, m68k, mips (o32), mn10300, s390, sh32, sparc
> >
> > 3. uses IPC_PARSE_VERSION with separate syscalls:
> >
> >    alpha, blackfin, microblaze, mips (n32/64), xtensa
> >
> > 4a. only new-style IPC with separate syscalls:
> >
> >     ia64, parisc, sh64
> 
> and x86-64?

right, that too. I got it in my spreadsheet by copied it wrong.

> > 4b. only new-style IPC with separate syscalls, using generic syscall
> >     table:
> >
> >     arc, arm64, c6x, h8300, hexagon, metag, nios2, openrisc, score,
> >     tile, unicore32
> >
> > So we should probably fix 1. and 2. before it's too late, but make
> > sure we don't break 3. in the process.
> 
> (Fortunately?) x86-32 doesn't seem to be converted in next yet?
> 
> I was hoping for them to do the heavy lifting for the generic solution 

yes, that would be nice ;-)

	Arnd
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