From: Kyle McMartin <kyle@mcmartin.ca>
To: Arnd Bergmann <arnd@arndb.de>
Cc: linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [COMPAT] Add compat_merge64 helper
Date: Fri, 28 Sep 2007 20:01:31 -0400 [thread overview]
Message-ID: <20070929000131.GD25346@fattire.cabal.ca> (raw)
In-Reply-To: <200709290138.24562.arnd@arndb.de>
On Sat, Sep 29, 2007 at 01:38:23AM +0200, Arnd Bergmann wrote:
> 1. Byte order matches the order in which 64 bit arguments are split
> in system call conventions on all platforms.
I checked powerpc, sparc, and mips, which are (besides parisc) the only
64-bit with 32-bit userspace big endian architectures that I could think
of offhand. A quick grep shows sh64 too... Paul?
> 2. Every user of compat_merge64() includes asm/byteorder.h
>
*nod* Good point.
> Both should be easy to prove, but I'm not convinced until someone
> actually does it.
>
Cheers,
Kyle
next prev parent reply other threads:[~2007-09-29 0:01 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-28 22:33 [COMPAT] Add compat_merge64 helper Kyle McMartin
2007-09-28 22:33 ` [PATCH] Generic compat_sys_fallocate Kyle McMartin
2007-09-29 9:11 ` Geert Uytterhoeven
2007-09-28 23:38 ` [COMPAT] Add compat_merge64 helper Arnd Bergmann
2007-09-28 23:38 ` Arnd Bergmann
2007-09-29 0:01 ` Kyle McMartin [this message]
2007-09-28 23:52 ` Arnd Bergmann
2007-09-29 0:02 ` Kyle McMartin
2007-09-29 7:23 ` Paul Mundt
2007-09-29 9:48 ` Heiko Carstens
2007-10-03 12:12 ` Ralf Baechle
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