Messages in this thread | | | Subject | Re: [PATCH RFC 02/39] KVM: x86/xen: intercept xen hypercalls if enabled | From | Joao Martins <> | Date | Wed, 2 Dec 2020 11:17:54 +0000 |
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On 12/1/20 11:19 AM, David Woodhouse wrote: > On Tue, 2020-12-01 at 09:48 +0000, David Woodhouse wrote: >> So I switched it to generate the hypercall page directly from the >> kernel, just like we do for the Hyper-V hypercall page. > > Speaking of Hyper-V... I'll post this one now so you can start heckling > it. > Xen viridian mode is indeed one thing that needed fixing. And definitely a separate patch as you do here. Both this one and the previous is looking good.
I suppose that because you switch to kvm_vcpu_write_guest() you no longer need to validate that the hypercall page is correct neither marking as dirty. Probably worth making that explicit in the commit message.
> I won't post the rest as I go; not much of the rest of the series when > I eventually post it will be very new and exciting. It'll just be > rebasing and tweaking your originals and perhaps adding some tests. >
Awesome!!
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