[RFC v2 PATCH 23/23] ARM: Allow ARCH_MULTIPLATFORM to be selected for NOMMU
Chris Brandt
Chris.Brandt at renesas.com
Thu Dec 1 12:11:30 PST 2016
On 11/29/2016, Vladimir Murzin wrote:
> >> motivation behind of this patch:
> >> - bring build coverage for NOMMU configurations
> >> - allow known working NOMMU platforms (like R-class) to be used
> >> - pave a way to add support for single address space (aka 1:1 mapping)
> >> for MMU platforms, so they can be usable in NOMMU configurations
I use XIP_KERNEL with a MMU platform (Renesas RZ/A1, Cortex A9) which is
also ARCH_MULTIPLATFORM.
So I also have to hack the Kconfig to get it to build.
I had proposed this patch to allow you to select which multiplatform
devices are XIP capable, but it never made it in.
https://patchwork.kernel.org/patch/8395661/
Maybe you can do the same idea for !MMU platforms as well (just
say whether the device can do XIP regardless of MMU or !MMU)
Chris
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