From: Arnd Bergmann <arnd@arndb.de>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mips@linux-mips.org, NeilBrown <neilb@suse.de>,
Heiko Carstens <heiko.carstens@de.ibm.com>,
Paul Mackerras <paulus@samba.org>,
"H. Peter Anvin" <hpa@zytor.com>,
sparclinux@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
linux-s390@vger.kernel.org,
"J. Bruce Fields" <bfields@redhat.com>,
x86@kernel.org, Ingo Molnar <mingo@redhat.com>,
Lucas De Marchi <lucas.demarchi@profusion.mobi>,
Chris Metcalf <cmetcalf@tilera.com>,
Thomas Gleixner <tglx@linutronix.de>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
linux-kernel@vger.kernel.org, Ralf Baechle <ralf@linux-mips.org>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
linux390@de.ibm.com, linuxppc-dev@lists.ozlabs.org,
"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH v2] ipc: provide generic compat versions of IPC syscalls
Date: Sat, 10 Dec 2011 00:21:35 +0100 [thread overview]
Message-ID: <1690400.7yOAjHVqTH@wuerfel> (raw)
In-Reply-To: <20111209134852.f5b5bcbc.akpm@linux-foundation.org>
On Friday 09 December 2011 13:48:52 Andrew Morton wrote:
> What would we need to do to get all architectures using the new
> interfaces, and remove __ARCH_WANT_OLD_COMPAT_IPC?
We would change the various compat_sys_ipc functions (mips, powerpc,
s390, sparc, x86) to call the new functions instead of the existing
ones, and test each architecture. For parisc, we might not
actually need the either version, but I'd have to take a closer look
to be sure.
> Regarding the implementation: rather than patching the header
> files, it would be more conventional (and arguably better) to add
>
> select ARCH_WANT_OLD_COMPAT_IPC
>
> to arch/*/Kconfig, then use CONFIG_ARCH_WANT_OLD_COMPAT_IPC.
Yes.
Arnd
next prev parent reply other threads:[~2011-12-09 23:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <201112091536.pB9Fa5f7002738@farm-0002.internal.tilera.com>
[not found] ` <201112091602.31325.arnd@arndb.de>
2011-12-09 15:29 ` [PATCH v2] ipc: provide generic compat versions of IPC syscalls Chris Metcalf
2011-12-09 21:48 ` Andrew Morton
2011-12-09 23:21 ` Arnd Bergmann [this message]
2011-12-09 15:29 ` [PATCH v3] " Chris Metcalf
2012-03-15 1:24 ` Chris Metcalf
2012-03-15 16:25 ` Arnd Bergmann
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