>>> Konrad Rzeszutek Wilk <[email protected]> 10/23/13 5:37 PM >>> >On Mon, Oct 21, 2013 at 04:12:56PM +0100, Jan Beulich wrote: >> > Were you suggesting a lookup when we scan the PCI devices? >> > (xen_add_device)? >> >> That was for PVH, and is obviously fragile, as there can be MMIO >> regions not matched by any PCI device's BAR. We could hope for >> all of them to be below 4Gb, but I think (based on logs I got to see >> recently from a certain vendor's upcoming systems) this isn't going >> to work out. > >This is the patch I had in mind that I think will fix these issues. But >I would appreciate testing it and naturally send me the dmesg if possible.
So this indeed is only about PCI devices (i.e. not taking into account the comment I made earlier [above]). Further, a brute force loop over all balloon pages seems like a pretty bad thing to do when the balloon is rather big. And finally - did you check that the bus notification happens after resource assignment? Jan -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
