Re: [patch] parisc, iommu: add missing include for prefetchw()

James Bottomley
2011-10-15T23:48:24Z

On Sat, 2011-10-15 at 15:38 -0700, David Rientjes wrote:
> prefetchw() requires it to be defined by linux/prefetch.h, or it results
> in a compile error:
>
> In file included from drivers/parisc/sba_iommu.c:916:0:
> drivers/parisc/iommu-helpers.h: In function 'iommu_fill_pdir':
> drivers/parisc/iommu-helpers.h:62:4: error: implicit declaration of function 'prefetchw'
>
> Include linux/prefetch.h.

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

How did you try to compile this file?

James