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Date: Wed, 28 Jun 2017 16:11:23 +0200 From: Paolo Bonzini <pbonzini@...hat.com> To: Wanpeng Li <kernellwp@...il.com> Cc: Radim Krčmář <rkrcmar@...hat.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, kvm <kvm@...r.kernel.org>, Wanpeng Li <wanpeng.li@...mail.com> Subject: Re: [PATCH v6 3/4] KVM: async_pf: Force a nested vmexit if the injected #PF is async_pf On 28/06/2017 16:09, Wanpeng Li wrote: >> Yes, this was my question essentially. I would still migrate >> nested_apf_token (as part of nested virt state), and then clear it in >> KVM when doing the async-pf broadcast. > Do you mean I should save nested_apf_token by GET_VCPU_EVENTS and > restore it by SET_VCPU_EVENTS? I utilize the place of "u8 pad" in > kvm_vcpu_events to hold nested_apf, however nested_apf_token is > unsigned long. If for now we can leave out the GET/SET_VCPU_EVENTS changes, that would be best. nested_apf and nested_apf_token should be migrated together with the rest of the nested virt state. Paolo
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