From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Arnd Bergmann <arnd@arndb.de>
Cc: David Woodhouse <dwmw2@infradead.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Dave Airlie <airlied@linux.ie>,
linux-arch@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH] Introduce compat_u64 and compat_s64 types
Date: Fri, 15 Jun 2007 23:16:43 +1000 [thread overview]
Message-ID: <1181913403.26853.76.camel@localhost.localdomain> (raw)
In-Reply-To: <200706151131.38429.arnd@arndb.de>
On Fri, 2007-06-15 at 11:31 +0200, Arnd Bergmann wrote:
> One common problem with 32 bit system call and ioctl emulation
> is the different alignment rules between i386 and 64 bit machines.
> A number of drivers work around this by marking the compat
> structures as 'attribute((packed))', which is not the right
> solution because it breaks all the non-x86 architectures that
> want to use the same compat code.
>
> Hopefully, this patch improves the situation, it introduces two
> new types, compat_u64 and compat_s64. These are defined on all
> architectures to have the same size and alignment as the 32 bit
> version of u64 and s64.
>
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Sounds good
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
next prev parent reply other threads:[~2007-06-15 13:18 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200706150159.l5F1xNgM000459@hera.kernel.org>
2007-06-15 8:44 ` drm: fix radeon setparam on 32/64 bit systems David Woodhouse
2007-06-15 8:58 ` Benjamin Herrenschmidt
2007-06-15 9:28 ` Arnd Bergmann
2007-06-15 9:31 ` [PATCH] Introduce compat_u64 and compat_s64 types Arnd Bergmann
2007-06-15 9:55 ` David Miller
2007-06-15 11:55 ` Andi Kleen
2007-06-15 12:00 ` David Woodhouse
2007-06-15 12:38 ` Andi Kleen
2007-06-15 12:03 ` Arnd Bergmann
2007-06-15 12:40 ` Andi Kleen
2007-06-15 12:47 ` David Woodhouse
2007-06-15 13:19 ` Benjamin Herrenschmidt
2007-06-15 12:09 ` David Howells
2007-06-15 12:43 ` Andi Kleen
2007-06-15 12:54 ` Alan Cox
2007-06-15 12:54 ` Andi Kleen
2007-06-15 13:15 ` Alan Cox
2007-06-15 13:27 ` Andi Kleen
2007-06-15 13:32 ` David Woodhouse
2007-06-15 20:50 ` Robin Getz
2007-06-15 21:22 ` Andi Kleen
2007-06-16 8:31 ` David Woodhouse
2007-06-15 13:00 ` David Woodhouse
2007-06-15 12:11 ` Matthew Wilcox
2007-06-15 12:38 ` David Woodhouse
2007-06-15 12:42 ` Arnd Bergmann
2007-06-15 13:45 ` Matthew Wilcox
2007-06-15 13:52 ` Arnd Bergmann
2007-06-15 23:54 ` Benjamin Herrenschmidt
2007-06-15 13:16 ` Benjamin Herrenschmidt [this message]
2007-06-16 9:38 ` David Woodhouse
2007-06-16 10:26 ` Arnd Bergmann
2007-06-16 11:21 ` Arnd Bergmann
2007-06-16 11:34 ` David Woodhouse
2007-06-16 13:56 ` Matthew Wilcox
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1181913403.26853.76.camel@localhost.localdomain \
--to=benh@kernel.crashing.org \
--cc=airlied@linux.ie \
--cc=akpm@linux-foundation.org \
--cc=arnd@arndb.de \
--cc=dwmw2@infradead.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.