Re: [PATCH RFC 11/14] arm64: Move the ASID allocator code in a separate file

[Guo Ren]

On Thu, Sep 19, 2019 at 11:18 PM Jean-Philippe Brucker
<jean-philippe@xxxxxxxxxx> wrote:

>
> The SMMU does support PCI Virtual Function - an hypervisor can assign a
> VF to a guest, and let that guest partition the VF into smaller contexts
> by using PASID.  What it can't support is assigning partitions of a PCI
> function (VF or PF) to multiple Virtual Machines, since there is a
> single S2 PGD per function (in the Stream Table Entry), rather than one
> S2 PGD per PASID context.
>
In my concept, the two sentences "The SMMU does support PCI Virtual
Functio" v.s. "What it can't support is assigning partitions of a PCI
function (VF or PF) to multiple Virtual Machines" are conflict and I
don't want to play naming game :)

-- 
Best Regards
 Guo Ren

ML: https://lore.kernel.org/linux-csky/