At 09/05/2011 02:13 AM, Michael S. Tsirkin Write: > Support bridge filtering on top of the memory > API as suggested by Avi Kivity: > > Create a memory region for the bridge's address space. This region is > not directly added to system_memory or its descendants. Devices under > the bridge see this region as its pci_address_space(). The region is > as large as the entire address space - it does not take into account > any windows. > > For each of the three windows (pref, non-pref, vga), create an alias > with the appropriate start and size. Map the alias into the bridge's > parent's pci_address_space(), as subregions. > > Signed-off-by: Michael S. Tsirkin <m...@redhat.com> > --- > > The below seems to work fine for me so I applied this. > Still need to test bridge filtering, any help with this > appreciated. >
I test bridge filtering, and the BAR still can be visible on guest even if I change the memory region. Thanks Wen Congyang
