Am 08.10.2012 14:23, schrieb Alexander Graf: > When running on PowerPC, we don't have native PIO support. There are a few > hacks > around to enable PIO access on PowerPC nevertheless. > > The most typical one is the isa-mmio device. It takes MMIO requests and > converts > them to PIO requests on the (QEMU internal) PIO bus. > > This however is not how real hardware works and it limits us in the ability to > spawn eventfd's on PIO ports which doesn't work with this approach. Instead, > let's model it more easily. Let's just map the PIO memory region into MMIO > space. > > For this to work, we need to get rid of all old_portio struct users, as they > break with this approach. This is what this patch set does.
Looks sensible to me as far as reviewed, but I'm missing a patch 13 that actually rips out old_portio afterwards. :) Andreas > It also converts > the e500 machines and sPAPR to the new memory region model. > > > Alex -- SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
