On 2015/12/18 5:46, Alex Williamson wrote:
On Thu, 2015-12-17 at 18:26 +0800, yongji xie wrote:
On 2015/12/17 4:04, Alex Williamson wrote:
On Fri, 2015-12-11 at 16:53 +0800, Yongji Xie wrote:
Current vfio-pci implementation disallows to mmap
sub-page(size < PAGE_SIZE) MMIO BARs because
On 2015/12/18 5:46, Alex Williamson wrote:
On Thu, 2015-12-17 at 18:26 +0800, yongji xie wrote:
On 2015/12/17 4:04, Alex Williamson wrote:
On Fri, 2015-12-11 at 16:53 +0800, Yongji Xie wrote:
Current vfio-pci implementation disallows to mmap
sub-page(size < PAGE_SIZE) MMIO BARs because
On Thu, 2015-12-17 at 18:26 +0800, yongji xie wrote:
>
> On 2015/12/17 4:04, Alex Williamson wrote:
> > On Fri, 2015-12-11 at 16:53 +0800, Yongji Xie wrote:
> > > Current vfio-pci implementation disallows to mmap
> > > sub-page(size < PAGE_SIZE) MMIO BARs because these BARs' mmio
> > > page
> > >
On 2015/12/17 4:04, Alex Williamson wrote:
On Fri, 2015-12-11 at 16:53 +0800, Yongji Xie wrote:
Current vfio-pci implementation disallows to mmap
sub-page(size < PAGE_SIZE) MMIO BARs because these BARs' mmio page
may be shared with other BARs.
But we should allow to mmap these sub-page MMIO
On 2015/12/17 4:04, Alex Williamson wrote:
On Fri, 2015-12-11 at 16:53 +0800, Yongji Xie wrote:
Current vfio-pci implementation disallows to mmap
sub-page(size < PAGE_SIZE) MMIO BARs because these BARs' mmio page
may be shared with other BARs.
But we should allow to mmap these sub-page MMIO
On Thu, 2015-12-17 at 18:26 +0800, yongji xie wrote:
>
> On 2015/12/17 4:04, Alex Williamson wrote:
> > On Fri, 2015-12-11 at 16:53 +0800, Yongji Xie wrote:
> > > Current vfio-pci implementation disallows to mmap
> > > sub-page(size < PAGE_SIZE) MMIO BARs because these BARs' mmio
> > > page
> > >
On Fri, 2015-12-11 at 16:53 +0800, Yongji Xie wrote:
> Current vfio-pci implementation disallows to mmap
> sub-page(size < PAGE_SIZE) MMIO BARs because these BARs' mmio page
> may be shared with other BARs.
>
> But we should allow to mmap these sub-page MMIO BARs if all MMIO BARs
> are page
On Fri, 2015-12-11 at 16:53 +0800, Yongji Xie wrote:
> Current vfio-pci implementation disallows to mmap
> sub-page(size < PAGE_SIZE) MMIO BARs because these BARs' mmio page
> may be shared with other BARs.
>
> But we should allow to mmap these sub-page MMIO BARs if all MMIO BARs
> are page
Current vfio-pci implementation disallows to mmap
sub-page(size < PAGE_SIZE) MMIO BARs because these BARs' mmio page
may be shared with other BARs.
But we should allow to mmap these sub-page MMIO BARs if all MMIO BARs
are page aligned which leads the BARs' mmio page would not be shared
with other
Current vfio-pci implementation disallows to mmap
sub-page(size < PAGE_SIZE) MMIO BARs because these BARs' mmio page
may be shared with other BARs.
But we should allow to mmap these sub-page MMIO BARs if all MMIO BARs
are page aligned which leads the BARs' mmio page would not be shared
with other
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