From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: Allow kernel unaligned accesses on ARMv6+ processors
Date: Mon, 7 Nov 2011 17:07:23 +0000 [thread overview]
Message-ID: <20111107170723.GD24887@arm.com> (raw)
In-Reply-To: <1d0610da-0dc0-4130-9d14-8524820b9846@WA4EHSMHS001.ehs.local>
On Mon, Nov 07, 2011 at 02:11:24AM +0000, John Linn wrote:
> > -----Original Message-----
> > From: Catalin Marinas [mailto:catalin.marinas at gmail.com] On Behalf Of
> > Catalin Marinas
> > Sent: Saturday, November 05, 2011 3:41 AM
> > To: linux-arm-kernel at lists.infradead.org
> > Cc: John Linn
> > Subject: [PATCH] ARM: Allow kernel unaligned accesses on ARMv6+
> > processors
> >
> > Recent gcc versions generate unaligned accesses by default on ARMv6
> and
> > later processors. This patch ensures that the SCTLR.A bit is always
> > cleared on such processors to avoid kernel traping before
> > alignment_init() is called.
> >
> > Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
> > Cc: John Linn <John.Linn@xilinx.com>
>
> It worked great, thanks Catalin. I'd love to see a solution merged in
> the mainline and this seems reasonable.
> I'm being pushed to newer tools which require a solution.
>
> Tested-by: John Linn <john.linn@xilinx.com>
Thanks. I pushed it to Russell's patch system as:
http://www.arm.linux.org.uk/developer/patches/viewpatch.php?id=7150/1
--
Catalin
prev parent reply other threads:[~2011-11-07 17:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-05 10:41 [PATCH] ARM: Allow kernel unaligned accesses on ARMv6+ processors Catalin Marinas
2011-11-05 15:59 ` Nicolas Pitre
2011-11-07 2:11 ` John Linn
[not found] ` <1d0610da-0dc0-4130-9d14-8524820b9846@WA4EHSMHS001.ehs.local>
2011-11-07 17:07 ` Catalin Marinas [this message]
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=20111107170723.GD24887@arm.com \
--to=catalin.marinas@arm.com \
--cc=linux-arm-kernel@lists.infradead.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).