On 2016/10/31 3:59, Alex Williamson wrote:
On Wed, 26 Oct 2016 16:56:13 +0800
Yongji Xie wrote:
Now the kernel commit 05f0c03fbac1 ("vfio-pci: Allow to mmap
sub-page MMIO BARs if the mmio page is exclusive") allows VFIO
to mmap sub-page BARs. This is the corresponding QEMU patch.
With those p
On Wed, 26 Oct 2016 16:56:13 +0800
Yongji Xie wrote:
> Now the kernel commit 05f0c03fbac1 ("vfio-pci: Allow to mmap
> sub-page MMIO BARs if the mmio page is exclusive") allows VFIO
> to mmap sub-page BARs. This is the corresponding QEMU patch.
> With those patches applied, we could passthrough su
Now the kernel commit 05f0c03fbac1 ("vfio-pci: Allow to mmap
sub-page MMIO BARs if the mmio page is exclusive") allows VFIO
to mmap sub-page BARs. This is the corresponding QEMU patch.
With those patches applied, we could passthrough sub-page BARs
to guest, which can help to improve IO performance