At 09/09/2011 03:12 PM, Michael S. Tsirkin Write: > On Fri, Sep 09, 2011 at 02:43:24PM +0800, Wen Congyang wrote: >>> However, filtering doesn't work. You could put a BAR outside the >>> filtered area and it would be visible to the guest. >>> >> >> I test it on real hardware. If I put a BAR outside the filterer area, and >> then run 'lspci -vv', the BAR does not change: > > ... > > >> The BAR1 is feafbc00, and it is in the bus2's range. >> I map the BAR(mmap /sys/bus/pci/devices/0000\:03\:01.0/resource1), and find >> I can read and write the memory. >> >> Thanks >> Wen Congyang > > So, it's as expected. Nothing seems wrong with this picture. But > this is not the test that Avi suggested.
Sorry for my misunderstand. My question is: How to put a BAR outside the filterer area, and how to know whether it is visible? Thanks Wen Congyang
