Re: [Qemu-devel] [PATCH] pci: add standard bridge device

[Michael S. Tsirkin]

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.

-- 
MST