On 06/17/14 16:17, Michael S. Tsirkin wrote: > On Tue, Jun 17, 2014 at 04:08:54PM -0400, Konrad Rzeszutek Wilk wrote: >> On Tue, Jun 17, 2014 at 10:43:29PM +0300, Michael S. Tsirkin wrote: [snip] >> I think he mentioned PCI devices, not PCIe. > OK that's a small niche but it makes some sense. > So let's focus on this case, it can be addressed > cleanly: > > default: max-ram-below-4g=4g > pc: > low = MIN(low, max-ram-below-4g) > > no special handling for any corner cases. > > For bonus points detect and warn if value chosen causes > alignment issues. >
v7 of this is being tested. Expect to post today. -Don Slutz