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From: "Andreas Färber" <afaerber@suse.de>
To: Laura Abbott <lauraa@codeaurora.org>,
	Tushar Behera <trblinux@gmail.com>,
	Russell King <linux@arm.linux.org.uk>,
	Kevin Hilman <khilman@linaro.org>,
	Grant Likely <grant.likely@linaro.org>,
	Rob Herring <robherring2@gmail.com>
Cc: linux-samsung-soc@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linaro-kernel@lists.linaro.org, devicetree@vger.kernel.org
Subject: Re: [PATCH 2/2] arm: Add back maximum bank limit
Date: Mon, 30 Jun 2014 00:56:54 +0200	[thread overview]
Message-ID: <53B099B6.1070706@suse.de> (raw)
In-Reply-To: <1404068784-27604-2-git-send-email-lauraa@codeaurora.org>

Hi Laura,

Am 29.06.2014 21:06, schrieb Laura Abbott:
> Commit 1c2f87c22566cd057bc8cde10c37ae9da1a1bb76
> (ARM: 8025/1: Get rid of meminfo) dropped the upper bound on
> the number of memory banks that can be added as there was no
> technical need in the kernel. It turns out though, some bootloaders
> (specifically the arndale-octa exynos boards) may pass invalid memory
> information and rely on the kernel to not parse this data. This is a
> bug in the bootloader but we still need to work around this.
> Re-introduce a maximum bank limit per board to prevent invalid banks
> from being passed to the kernel.
> 
> Reported-by: Tushar Behera <trblinux@gmail.com>
> Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
> ---
> http://lists.infradead.org/pipermail/linux-arm-kernel/2014-June/265615.html

Tested-by: Andreas Färber <afaerber@suse.de>

[    0.000000] Max banks too low, ignoring memory at 0xfbffffaf
[    0.000000] Max banks too low, ignoring memory at 0xfffedbff
[    0.000000] Max banks too low, ignoring memory at 0xffbbffd9
[    0.000000] Max banks too low, ignoring memory at 0xffefefef

Thanks,
Andreas

-- 
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg

  reply	other threads:[~2014-06-29 22:56 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-29 19:06 [PATCH 1/2] of: Split early_init_dt_scan into two parts Laura Abbott
2014-06-29 19:06 ` [PATCH 2/2] arm: Add back maximum bank limit Laura Abbott
2014-06-29 22:56   ` Andreas Färber [this message]
2014-06-30 10:43   ` Grant Likely
2014-06-30 18:03     ` Laura Abbott
2014-07-01 10:57       ` Grant Likely

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