On 2/7/19 1:15 PM, David Woodhouse wrote:
On Thu, 2019-02-07 at 13:09 -0800, Raj, Ashok wrote:
You are right.. they are completely orthogonal. We just don't have
a way to handle the page-requests for request without PASID's.
There are some of the vIOMMU work to pass the PRI to who owns
the de
On Thu, Feb 07, 2019 at 09:15:24PM +, David Woodhouse wrote:
> On Thu, 2019-02-07 at 13:09 -0800, Raj, Ashok wrote:
> > You are right.. they are completely orthogonal. We just don't have
> > a way to handle the page-requests for request without PASID's.
> >
> > There are some of the vIOMMU wor
On Thu, 2019-02-07 at 13:09 -0800, Raj, Ashok wrote:
> You are right.. they are completely orthogonal. We just don't have
> a way to handle the page-requests for request without PASID's.
>
> There are some of the vIOMMU work to pass the PRI to who owns
> the device, and we can certainly relax it t
On Thu, 2019-02-07 at 10:44 -0800, sathyanarayanan.kuppusw...@linux.intel.com
wrote:
> From: Kuppuswamy Sathyanarayanan
>
> Intel IOMMU Page Request Services (PRS) only works with devices which
> supports/uses PASID. So enable PRI only if the device also enables
> PASID support. For more details
On Thu, Feb 07, 2019 at 08:08:06PM +, David Woodhouse wrote:
> On Thu, 2019-02-07 at 10:44 -0800, sathyanarayanan.kuppusw...@linux.intel.com
> wrote:
> > From: Kuppuswamy Sathyanarayanan
> >
> >
> > Intel IOMMU Page Request Services (PRS) only works with devices which
> > supports/uses PASI
From: Kuppuswamy Sathyanarayanan
Intel IOMMU Page Request Services (PRS) only works with devices which
supports/uses PASID. So enable PRI only if the device also enables
PASID support. For more details, Please check the implementation of PRQ
handler(prq_event_thread()) in intel-svm driver.
Cc: J
