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    SubjectRe: [PATCH 00/36] AArch64 Linux kernel port

    On Mon, Jul 09, 2012 at 04:32:11PM +0100, Arnd Bergmann wrote:
    > We have a lot of reviewers that are familiar with the 32 bit code, so
    > I think the main strategy should be to spot duplicate code early
    > and make sure we deal with it individually. Examples for this are
    > probably the implementations for kvm and perf, which largely deal
    > with the same hardware on both architectures. Those definitely must
    > not get duplicated into mostly-identical files. In many cases, we're
    > moving those things into drivers/*, in other cases we might want to
    > use Makefile logic to include a sub-directory from one arch into another,
    > as we do for arch/um.

    I don't see why we would need to get a subdir from one into the other.
    If the SoCs would need some common drivers (like GPIO), they should go
    into drivers/ anyway. There is some perf code that could be shared
    (though not building a subdir as we have different instruction sets) but
    I would like that moved to a more generic place.


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