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    SubjectRe: [patch] parisc, iommu: add missing include for prefetchw()
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    On Sat, 2011-10-15 at 17:41 -0700, David Rientjes wrote:
    > On Sat, 15 Oct 2011, James Bottomley wrote:
    >
    > > This isn't physically possible on the parisc platform: prefetch.h is
    > > included by processor.h which, amongst other things, goes into
    > > spinlock.h which is above this file in sba_iommu.c
    > >
    >
    > asm/prefetch.h is included in processor.h, not linux/prefetch.h. Thus,
    > it's undefined for CONFIG_PA20=n.

    sba_iommu isn't possible with CONFIG_PA20=n; it's a ZX1 or above
    feature.

    > > How did you try to compile this file?
    > >
    >
    > make allyesconfig
    > make drivers/parisc/sba_iommu.o


    OK, so just take one of the standard configs ... I don't think anyone's
    tried much randconfig testing over parisc, most of the configuration
    lore is handed down from the mountain on stone tablets.

    James




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