> Are you *sure* you can see all 4GB? I thought we lost some of the 32- > bit PCI address space for PCI IO...... Disclaimer: I'm no expert on > PCI :)
You are right. I didn't think that through when I replied. We do lose some of it for MMIO (not IO). So we cannot really go all the way to 4G because we can't DMA to all of it, right. > FYI, I'm *very* close to having swiotlb fully functional on powerpc to > support larger RAM - I am able to boot with 6GB on 8641 right now. > There are some bugs that I'm still shaking out - I hope to push this > out in the next couple of weeks. That won't make .27 then ? Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
