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

Benjamin Herrenschmidt wrote:

quoted

quoted

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.

Since we already have ioremap_nocache(), maybe adding ioremap_wcomb() is appropriate?

	Jeff