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Bug#658759: disable l2 cache on kirkwood devices (workaround #658904)

Hi Ian,

On Aug 30, 2012, Ian Campbell wrote:

> I've just tried injecting the following onto the head of the zImage (in
> a similar manner to flash-kernel's set_machine_id function):
> This works around the issue on my dreamplug (this is effectively the
> same code sequence as what the u-boot fix does).
> I can see two ways of distributing this fix. Either a kernel patch gated
> on CONFIG_ARCH_KIRKWOOD to some early bit of code or use devio in
> flash-kernel + the installer build.

Sorry I missed this before.  That sounds like an excellent idea for a
kernel patch.  A kind user on the linux-arm-kernel@ list[1] recently
mentioned he'd be willing to test patches, if you need a guinea pig,
and I assume once a patch is written and tested it should be possible
to get useful feedback from the list.


[1] http://thread.gmane.org/gmane.linux.ports.arm.kernel/185621/focus=185879

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