On Mon, 30 Apr 2018 11:58:10 +0100
Jean-Philippe Brucker wrote:
> On 25/04/18 16:37, Jacob Pan wrote:
> >> In the other cases (unsupported PRI or rogue guest) then disabling
> >> PRI using a FAILURE status might be the right thing to do. However,
> >> assuming the device follows the PCI spec it w
On 25/04/18 16:37, Jacob Pan wrote:
>> In the other cases (unsupported PRI or rogue guest) then disabling PRI
>> using a FAILURE status might be the right thing to do. However,
>> assuming the device follows the PCI spec it will stop sending page
>> requests once there are as many PPRs in flight as
On Mon, 23 Apr 2018 16:36:23 +0100
Jean-Philippe Brucker wrote:
> On Mon, Apr 16, 2018 at 10:49:03PM +0100, Jacob Pan wrote:
> > When IO page faults are reported outside IOMMU subsystem, the page
> > request handler may fail for various reasons. E.g. a guest received
> > page requests but did not
On Mon, Apr 16, 2018 at 10:49:03PM +0100, Jacob Pan wrote:
> When IO page faults are reported outside IOMMU subsystem, the page
> request handler may fail for various reasons. E.g. a guest received
> page requests but did not have a chance to run for a long time. The
> irresponsive behavior could h
When IO page faults are reported outside IOMMU subsystem, the page
request handler may fail for various reasons. E.g. a guest received
page requests but did not have a chance to run for a long time. The
irresponsive behavior could hold off limited resources on the pending
device.
There can be hardw
When IO page faults are reported outside IOMMU subsystem, the page
request handler may fail for various reasons. E.g. a guest received
page requests but did not have a chance to run for a long time. The
irresponsive behavior could hold off limited resources on the pending
device.
There can be hardw
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