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From: vlad@emcraft•com (Vladimir K)
To: linux-arm-kernel@lists•infradead.org
Subject: insmod problem on ARM with more than 16MB of RAM?
Date: Fri, 03 Feb 2012 19:12:04 +0300	[thread overview]
Message-ID: <4F2C0754.4070504@emcraft.com> (raw)
In-Reply-To: <20111222204515.GQ2577@n2100.arm.linux.org.uk>

> So for MMU platforms, we just ensure that modules are always placed
> within reach of the kernel text.  For nommu platforms, modules are
> a bitch - and TBH given the virtually non-existent activity/interest
> from the nommu sector, it's something I'm willing to spend the grand
> total of zero time to solve this _really_ _hard_ problem.

Wouldn't just adding a -mlong-calls to CFLAGS_MODULE
resolve the problem?

Something along the lines of:

ifeq ($(CONFIG_MODULES),y)
CFLAGS_MODULE    += -mlong-calls
endif

in arch/arm/Makefile.

This this change, modules work fine for me on a 32MBytes RAM
Cortex-M3 configuration.

Regards,
Vladimir Khusainov

      reply	other threads:[~2012-02-03 16:12 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-22 16:35 insmod problem on ARM with more than 16MB of RAM? Sergei Poselenov
2011-12-22 16:49 ` Catalin Marinas
2011-12-22 20:45   ` Russell King - ARM Linux
2012-02-03 16:12     ` Vladimir K [this message]

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