Messages in this thread | | | From | Guo Ren <> | Date | Fri, 20 Sep 2019 08:07:38 +0800 | Subject | Re: [PATCH RFC 11/14] arm64: Move the ASID allocator code in a separate file |
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On Thu, Sep 19, 2019 at 11:18 PM Jean-Philippe Brucker <jean-philippe@linaro.org> 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/
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