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Adaptation Guide

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This page contains information what is expected from a Mer Hardware Adaptation.

After checking the requirements, see step-by-step guide how to move on.



Required kernel config options are now available in This git tree has also been packaged to rpm package that is available in mer core. The package is called mer-kernel-checks, which is also used in the kernel packaging template available at


When compiling kernel for ARM with Mer 0.20110105.1 or newer

NOTE: Kernels newer than 3.4 seem to have fix for this error already thus, this patchs isn't needed.

You will need to apply this patch to your kernel with this new Mer and toolchain release, if your kernels break on boot (they likely will). It will enable -mno-unaligned-access in your kernel compilation flags.

--- linux-3.1/Makefile  2011-10-24 18:10:05.000000000 +1100
+++ b/Makefile  2011-12-24 16:06:38.848284875 +1100
@@ -640,6 +640,8 @@

+KBUILD_CFLAGS  += -mno-unaligned-access
 # Add user supplied CPPFLAGS, AFLAGS and CFLAGS as the last assignments
 # But warn user when we do so
 warn-assign = \

When compiling arm kernels < 2.6.36

This patch needs adding to stop systemd journal taking 100% cpu and also other features

Patches for proper cgroups support on older kernels.

When compiling kernel < 3.2

If you get complain about module-init-tools, you might want to get;a=commit;h=620c231c7a7f48745094727bb612f6321cfc8844 patch.

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