Re: [PATCH 10/16] KVM: x86/tdp_mmu: Support TDX private mapping for TDP MMU

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On Wed, May 29, 2024 at 09:25:46AM +0200,
Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote:

> On Wed, May 29, 2024 at 4:14 AM Edgecombe, Rick P
> <rick.p.edgecombe@xxxxxxxxx> wrote:
> >
> > On Tue, 2024-05-28 at 19:47 +0200, Paolo Bonzini wrote:
> > > On Tue, May 28, 2024 at 6:27 PM Edgecombe, Rick P
> > > <rick.p.edgecombe@xxxxxxxxx> wrote:
> > > > > I don't see benefit of x86_ops.max_gfn() compared to kvm->arch.max_gfn.
> > > > > But I don't have strong preference. Either way will work.
> > > >
> > > > The non-TDX VM's won't need per-VM data, right? So it's just unneeded extra
> > > > state per-vm.
> > >
> > > It's just a cached value like there are many in the MMU. It's easier
> > > for me to read code without the mental overhead of a function call.
> >
> > Ok. Since this has (optimization) utility beyond TDX, maybe it's worth splitting
> > it off as a separate patch? I think maybe we'll pursue this path unless there is
> > objection.
> 
> Yes, absolutely.

Ok, let me cook an independent patch series for kvm-coco-queue. 
-- 
Isaku Yamahata <isaku.yamahata@xxxxxxxxx>




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