Hi Jason,
On Thu, 17 Sep 2020 11:53:49 +0800, Jason Wang
wrote:
> On 2020/9/17 上午7:09, Jacob Pan (Jun) wrote:
> > Hi Jason,
> > On Wed, 16 Sep 2020 15:38:41 -0300, Jason Gunthorpe
> > wrote:
> >
> >> On Wed, Sep 16, 2020 at 11:21:10AM -0700, Jac
Hi Jason,
On Wed, 16 Sep 2020 15:38:41 -0300, Jason Gunthorpe
wrote:
> On Wed, Sep 16, 2020 at 11:21:10AM -0700, Jacob Pan (Jun) wrote:
> > Hi Jason,
> > On Wed, 16 Sep 2020 14:01:13 -0300, Jason Gunthorpe
> > wrote:
> >
> > > On Wed, Sep 16, 2020 a
Hi Jason,
On Wed, 16 Sep 2020 14:01:13 -0300, Jason Gunthorpe
wrote:
> On Wed, Sep 16, 2020 at 09:33:43AM -0700, Raj, Ashok wrote:
> > On Wed, Sep 16, 2020 at 12:07:54PM -0300, Jason Gunthorpe wrote:
> > > On Tue, Sep 15, 2020 at 05:22:26PM -0700, Jacob Pan (Jun) wrote:
Hi Jason,
On Tue, 15 Sep 2020 20:51:26 -0300, Jason Gunthorpe
wrote:
> On Tue, Sep 15, 2020 at 03:08:51PM -0700, Jacob Pan wrote:
> > > A PASID vIOMMU solution sharable with VDPA and VFIO, based on a
> > > PASID control char dev (eg /dev/sva, or maybe /dev/iommu) seems
> > > like a reasonable
On Tue, 28 Apr 2020 13:59:43 -0700
"Luck, Tony" wrote:
> >> So the driver needs to use flush/drain operations to make sure all
> >> the in-flight work has completed before releasing/re-using the
> >> PASID.
> > Are you suggesting we should let driver also hold a reference of the
> > PASID?
>
On Tue, 28 Apr 2020 12:07:25 -0700
"Luck, Tony" wrote:
> > If fd release cleans up then how should there be something in
> > flight at the final mmdrop?
>
> ENQCMD from the user is only synchronous in that it lets the user
> know their request has been added to a queue (or not). Execution of
On Tue, 28 Apr 2020 20:54:01 +0200
Thomas Gleixner wrote:
> "Jacob Pan (Jun)" writes:
> > On Sun, 26 Apr 2020 16:55:25 +0200
> > Thomas Gleixner wrote:
> >> Fenghua Yu writes:
> >> > The PASID is freed when the process exits (so no need t
On Sun, 26 Apr 2020 16:55:25 +0200
Thomas Gleixner wrote:
> Fenghua Yu writes:
>
> > PASID is shared by all threads in a process. So the logical place
> > to keep track of it is in the "mm". Add the field to the
> > architecture specific mm_context_t structure.
> >
> > A PASID is allocated for
On Wed, 4 Mar 2020 18:40:46 +0100
Joerg Roedel wrote:
> On Wed, Mar 04, 2020 at 04:38:21PM +0100, Jean-Philippe Brucker wrote:
> > I agree with this. The problem is I don't know how to get a new
> > ACPI table or change an existing one. It needs to go through the
> > UEFI forum in order to be
On Wed, 18 Dec 2019 12:20:44 +0100
Jean-Philippe Brucker wrote:
> On Tue, Dec 03, 2019 at 07:01:36PM -0800, Jacob Pan (Jun) wrote:
> > Hi Jean,
> >
> > Sorry for the delay, I was out last week. Comments inline below.
> >
> > On Mon, 25 Nov 2019 19:02:47 +0100
Hi Jean,
Sorry for the delay, I was out last week. Comments inline below.
On Mon, 25 Nov 2019 19:02:47 +0100
Jean-Philippe Brucker wrote:
> On Fri, Nov 22, 2019 at 04:01:02PM -0800, Jacob Pan (Jun) wrote:
> > > (1) ACPI has one table per vendor (DMAR for Intel, IVRS for AMD
&g
On Fri, 22 Nov 2019 11:49:47 +0100
Jean-Philippe Brucker wrote:
> I'm seeking feedback on multi-platform support for virtio-iommu. At
> the moment only devicetree (DT) is supported and we don't have a
> pleasant solution for other platforms. Once we figure out the topology
> description, x86
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