From: Dmitry Osipenko <digetx@gmail.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: "Arnd Bergmann" <arnd@arndb.de>,
"Nicolas Pitre" <nico@fluxnic.net>,
"Russell King" <linux@armlinux.org.uk>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
"Chris Brandt" <chris.brandt@renesas.com>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>,
"Eric Miao" <eric.miao@nvidia.com>,
"Linux ARM" <linux-arm-kernel@lists.infradead.org>,
"Marek Szyprowski" <m.szyprowski@samsung.com>
Subject: Re: [PATCH v2] ARM: boot: Obtain start of physical memory from DTB
Date: Fri, 20 Mar 2020 16:27:07 +0300 [thread overview]
Message-ID: <0c70b161-64e8-7765-cc4f-112c2cec9a29@gmail.com> (raw)
In-Reply-To: <CAMuHMdX9PH+WUvONz2C8D1fRrZXn5rEND-p_my2mYvoyxF_gWA@mail.gmail.com>
20.03.2020 12:18, Geert Uytterhoeven пишет:
...
> Thanks for the info!
>
>> I recalled that CONFIG_THUMB2_KERNEL=y is set in my kernel's config and
>> disabling thumb2 build fixes the problem. Please correct it in the next
>> version of the patch, thanks in advance.
>
> Interesting. I enabled CONFIG_THUMB2_KERNEL=y, and it doesn't make
> a difference for the few board combos I've tried (with/without appended DTB).
> So it must be related to ATAGS. Will dive deeper...
>
> P.S. I never realized CONFIG_THUMB2_KERNEL=y had such a big size
> impact: my kernel shrunk by ca. 1 MiB.
A quick observation tells that fdt_get_mem_start() returns a wrong
address with CONFIG_THUMB2_KERNEL=y, I haven't tried to look further yet.
Disabling all ATAGS options in kernel's config doesn't help.
Kernel config:
https://gist.github.com/digetx/b7c4e1d2d4dae0c5566748c0d7f1e884
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next prev parent reply other threads:[~2020-03-20 13:27 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20200225112354eucas1p1300749b32c6809b6a22194c1a952a68c@eucas1p1.samsung.com>
2020-01-27 14:07 ` [PATCH v2] ARM: boot: Obtain start of physical memory from DTB Geert Uytterhoeven
2020-01-27 14:36 ` Nicolas Pitre
2020-02-25 11:23 ` Marek Szyprowski
2020-02-25 11:40 ` Geert Uytterhoeven
2020-03-19 1:11 ` Dmitry Osipenko
2020-03-19 8:18 ` Geert Uytterhoeven
2020-03-19 14:35 ` Dmitry Osipenko
2020-03-20 9:18 ` Geert Uytterhoeven
2020-03-20 13:27 ` Dmitry Osipenko [this message]
2020-03-20 13:43 ` Geert Uytterhoeven
2020-03-20 13:47 ` Dmitry Osipenko
2020-03-19 9:25 ` Russell King - ARM Linux admin
2020-03-19 14:35 ` Dmitry Osipenko
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