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From:   Arnd Bergmann <arnd@arndb.de>
Date:   Sat, 28 May 2022 23:08:54 +0200
Message-ID: <CAK8P3a2DRBrDmfhz2GbMOqNBufNKS7K7XyeE1Px3AhqAuSZD4A@mail.gmail.com>
Subject: Re: mainline build failure due to f1e4c916f97f ("drm/edid: add EDID
 block count and size helpers")
To:     Linus Torvalds <torvalds@linux-foundation.org>
Cc:     Arnd Bergmann <arnd@arndb.de>,
        Sudip Mukherjee <sudipm.mukherjee@gmail.com>,
        Russell King <linux@armlinux.org.uk>,
        Viresh Kumar <vireshk@kernel.org>,
        Shiraz Hashim <shiraz.linux.kernel@gmail.com>,
        Jani Nikula <jani.nikula@intel.com>,
        =?UTF-8?B?VmlsbGUgU3lyasOkbMOk?= <ville.syrjala@linux.intel.com>,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Maxime Ripard <mripard@kernel.org>,
        Thomas Zimmermann <tzimmermann@suse.de>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        dri-devel <dri-devel@lists.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        SoC Team <soc@kernel.org>
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On Sat, May 28, 2022 at 10:31 PM Linus Torvalds
<torvalds@linux-foundation.org> wrote:
> On Sat, May 28, 2022 at 11:59 AM Arnd Bergmann <arnd@arndb.de> wrote:
> >
> > It's CONFIG_ARM_AEABI, which is normally set everywhere. Without this
> > option, you the kernel is built for the old 'OABI' that forces all non-packed
> > struct members to be at least 16-bit aligned.
>
> Looks like forced word (32 bit) alignment to me.

Ah, of course, I keep mixing it up with the odd structure alignment of m68k,
which does the opposite and aligns struct members to no more than 16 bits.

        Arnd