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    SubjectRe: [PATCH] x86: adjust GFP mask handling for coherent allocations

    * Jan Beulich <> wrote:

    > >>> Ingo Molnar <> 23.10.09 13:48 >>>
    > >makes sense (although there were a few odd ends in various ISA sound
    > >driver details so this should go on the .33 not .32), but please
    > >introduce a cleaner construct, like a new DMA_ISA_BIT_MASK() or so.
    > Hmm, I could see DMA_ISA_BIT_MASK only replace DMA_BIT_MASK(24) (but
    > specifically not being conditional upon CONFIG_ISA) without becoming
    > confusing. Consequently this would eliminate the conditional in the .c
    > file. [...]
    > Or did you have something else in mind that I just don't realize?

    DMA_ISA_BIT_MASK was what i had in mind.

    > And any attempt to eliminate the conditional another way would just
    > introduce a very similar conditional elsewhere; with this having a
    > single user (and foreseeably not ever a second one) I would think this
    > would just make the code less readable.

    There's 3 other current uses of DMA_BIT_MASK(24) in arch/x86 - couldnt
    those use ISA_DMA_BIT_MASK too?


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