From: Tom Rini <trini@konsulko.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] net: Mark the ip_udp_hdr struct as packed
Date: Mon, 17 Jul 2017 22:35:28 -0400 [thread overview]
Message-ID: <20170718023528.GF14320@bill-the-cat> (raw)
In-Reply-To: <20170717092939.lm3mqbi5xpgpyrzi@flea>
On Mon, Jul 17, 2017 at 11:29:39AM +0200, Maxime Ripard wrote:
> On Wed, Jul 12, 2017 at 04:37:43PM +0200, Dr. Philipp Tomsich wrote:
> >
> > > On 12 Jul 2017, at 16:34, Maxime Ripard <maxime.ripard@free-electrons.com> wrote:
> > >
> > > The -mno-unaligned-access flag used on ARM to prevent GCC from generating
> > > unaligned accesses (obviously) will only do so on packed structures.
> > >
> > > It seems like gcc 7.1 is a bit stricter than previous gcc versions on this,
> > > and using it lead to data abort for unaligned accesses when generating
> > > network traffic.
> > >
> > > Fix this by adding the packed attribute to the ip_udp_hdr structure in
> > > order to let GCC do its job.
> > >
> > > Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
> > > —
> >
> > Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
>
> I'm not exactly sure who is supposed to merge patches touching
> include/ ? Tom?
I'd like Joe to chime in, since it's net related.
--
Tom
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next prev parent reply other threads:[~2017-07-18 2:35 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-12 14:34 [U-Boot] [PATCH] net: Mark the ip_udp_hdr struct as packed Maxime Ripard
2017-07-12 14:37 ` Dr. Philipp Tomsich
2017-07-17 9:29 ` Maxime Ripard
2017-07-18 2:35 ` Tom Rini [this message]
2017-07-21 19:15 ` Siarhei Siamashka
2017-07-21 19:37 ` Siarhei Siamashka
-- strict thread matches above, loose matches on Subject: below --
2017-07-12 14:34 Maxime Ripard
2017-07-18 18:10 ` Joe Hershberger
2017-07-19 7:01 ` Maxime Ripard
2017-07-19 18:13 ` Joe Hershberger
2017-07-19 18:26 ` Jeroen Hofstee
2017-07-21 18:46 ` Siarhei Siamashka
2017-07-22 13:32 ` Jeroen Hofstee
2017-07-19 18:14 ` Joe Hershberger
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