On Mon, Sep 22, 2008 at 12:29:18PM -0700, Jesse Barnes wrote: > PCI address space management > ---------------------------- > TJ has a bunch of code to improve address space management in Linux. We > talked for a few minutes about this at the BoF; at this point I'm just > waiting for TJ to post his stuff so we can start integrating it. Hopefully > we can start merging small pieces of it (like the multiple PCI gap stuff) for > 2.6.28, and get some more eyes on the more aggressive PCI-DMAR stuff he's > been talking about soon. > > Well that's all I have in the way of notes. Feel free to add your own if I > missed anything or correct me if I mischaracterized things. One thing that wasn't resolved at the meeting was the question of 64-bit addressing and PCI-PCI bridges (primarily because nobody had their PCI-SIG login with them). I've now downloaded the latest PCI-PCI Bridge spec and there are still no facilities to forward addresses >4GB (other than the prefetchable region that was already in PPB 1.1). -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
