Benjamin Herrenschmidt wrote:
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
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