> From: Jason Gunthorpe
> Sent: Friday, May 19, 2023 4:19 AM
>
> On Thu, May 18, 2023 at 03:45:24PM -0400, Peter Xu wrote:
>
> > I see that Intel is already copied here (at least Yi and Kevin) so I assume
> > there're already some kind of synchronizations on multi-vIOMMU vs recent
> > works on I
> From: Jason Gunthorpe
> Sent: Thursday, May 18, 2023 10:57 PM
>
> On Thu, May 18, 2023 at 10:16:24AM -0400, Peter Xu wrote:
>
> > What you mentioned above makes sense to me from the POV that 1
> vIOMMU may
> > not suffice, but that's at least totally new area to me because I never
> > used >1
On Thu, May 18, 2023 at 03:45:24PM -0400, Peter Xu wrote:
> On Thu, May 18, 2023 at 11:56:46AM -0300, Jason Gunthorpe wrote:
> > On Thu, May 18, 2023 at 10:16:24AM -0400, Peter Xu wrote:
> >
> > > What you mentioned above makes sense to me from the POV that 1 vIOMMU may
> > > not suffice, but that
On Thu, May 18, 2023 at 11:56:46AM -0300, Jason Gunthorpe wrote:
> On Thu, May 18, 2023 at 10:16:24AM -0400, Peter Xu wrote:
>
> > What you mentioned above makes sense to me from the POV that 1 vIOMMU may
> > not suffice, but that's at least totally new area to me because I never
> > used >1 IOMMU
Hi Eric,
On Thu, May 18, 2023 at 11:06:50AM +0200, Eric Auger wrote:
> > On Mon, Apr 24, 2023 at 04:42:57PM -0700, Nicolin Chen wrote:
> >> Hi all,
> >>
> >> (Please feel free to include related folks into this thread.)
> >>
> >> In light of an ongoing nested-IOMMU support effort via IOMMUFD, we
>
On Thu, May 18, 2023 at 10:16:24AM -0400, Peter Xu wrote:
> What you mentioned above makes sense to me from the POV that 1 vIOMMU may
> not suffice, but that's at least totally new area to me because I never
> used >1 IOMMUs even bare metal (excluding the case where I'm aware that
> e.g. a GPU cou
On Thu, May 18, 2023 at 11:06:50AM +0200, Eric Auger wrote:
> Hi Nicolin,
>
> On 5/18/23 05:22, Nicolin Chen wrote:
> > Hi Peter,
> >
> > Eric previously mentioned that you might not like the idea.
> > Before we start this big effort, would it possible for you
> > to comment a word or two on this
Hi Nicolin,
On 5/18/23 05:22, Nicolin Chen wrote:
> Hi Peter,
>
> Eric previously mentioned that you might not like the idea.
> Before we start this big effort, would it possible for you
> to comment a word or two on this topic?
>
> Thanks!
>
> On Mon, Apr 24, 2023 at 04:42:57PM -0700, Nicolin Che
Hi Peter,
Eric previously mentioned that you might not like the idea.
Before we start this big effort, would it possible for you
to comment a word or two on this topic?
Thanks!
On Mon, Apr 24, 2023 at 04:42:57PM -0700, Nicolin Chen wrote:
> Hi all,
>
> (Please feel free to include related folks
Hi all,
(Please feel free to include related folks into this thread.)
In light of an ongoing nested-IOMMU support effort via IOMMUFD, we
would likely have a need of a multi-vIOMMU support in QEMU, or more
specificly a multi-vSMMU support for an underlying HW that has multi
physical SMMUs. This wo
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