Re: [PATCH 3/4] myri10ge - Driver core

[Benjamin Herrenschmidt]

> > No proper interface exposed, he'll have to do an #ifdef powerpc here or
> > such and use __ioremap with explicit page attributes. I have a hack to
> > do that automatically for memory covered by prefetchable PCI BARs when
> > mmap'ing from userland but not for kernel ioremap.
> 
> Stupid question: pci_iomap() is NOT what you are looking for, right?
> 
> Implementation is at the end of lib/iomap.c

No, there is no difference there, pci_iomap won't help for passing in
platform specific page attributes for things like write combining.

Ben.


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