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    SubjectRe: [PATCH v5 15/19] ARM: LPAE: Add support for cpu_v7_do_(suspend|resume)
    On Fri, 20 May 2011, Catalin Marinas wrote:
    > On Wed, 2011-05-18 at 08:27 +0100, Tony Lindgren wrote:
    > > Do we really need all this ifdef else throughout this series?
    > >
    > > I think we already have things in place to do this dynamically
    > > like we already do for thumb, smp_on_up, v6 vs v7 and so on.
    > By dynamically, do you mean at run-time? We won't be able to compile
    > both classic and LPAE in the same kernel, there is just too much
    > difference between them (2 vs 3 levels of page tables - LPAE is an
    > entirely new format).
    > If you mean some simpler macros like what we have for ARM/THUMB to
    > reduce the number of lines, I'm fine with it though we don't always have
    > a 1:1 mapping between LPAE and non-LPAE instructions.
    > Alternatively, I'm happy to create a separate proc-v7lpae.S file.

    That would probably be the best option.


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