On Thu, 17 Mar 2016 19:28:34 +0800
Yongji Xie wrote:
> On 2016/3/17 0:30, Alex Williamson wrote:
> > On Mon, 7 Mar 2016 15:48:35 +0800
> > Yongji Xie wrote:
> >
> >> When vfio passthrough a PCI device of which MMIO BARs
> >> are smaller than PAGE_SIZE, guest will not handle the
> >> mmio acce
On 2016/3/17 20:40, Alex Williamson wrote:
On Thu, 17 Mar 2016 19:28:34 +0800
Yongji Xie wrote:
On 2016/3/17 0:30, Alex Williamson wrote:
On Mon, 7 Mar 2016 15:48:35 +0800
Yongji Xie wrote:
When vfio passthrough a PCI device of which MMIO BARs
are smaller than PAGE_SIZE, guest will not
On Mon, 7 Mar 2016 15:48:35 +0800
Yongji Xie wrote:
> When vfio passthrough a PCI device of which MMIO BARs
> are smaller than PAGE_SIZE, guest will not handle the
> mmio accesses to the BARs which leads to mmio emulations
> in host.
>
> This is because vfio will not allow to passthrough one
>
On 2016/3/17 0:30, Alex Williamson wrote:
On Mon, 7 Mar 2016 15:48:35 +0800
Yongji Xie wrote:
When vfio passthrough a PCI device of which MMIO BARs
are smaller than PAGE_SIZE, guest will not handle the
mmio accesses to the BARs which leads to mmio emulations
in host.
This is because vfio wil
When vfio passthrough a PCI device of which MMIO BARs
are smaller than PAGE_SIZE, guest will not handle the
mmio accesses to the BARs which leads to mmio emulations
in host.
This is because vfio will not allow to passthrough one
BAR's mmio page which may be shared with other BARs.
To solve this p