[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit
From: |
Pavel Fedin |
Subject: |
Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit |
Date: |
Mon, 21 Dec 2015 16:28:12 +0300 |
Hello!
> Yes, we can use KVM_EXIT_REG_IO/MSR_IO for Hyper-V SynIC MSRS's changes
> and can even use only one MSR value . So union inside struct
> kvm_hyperv_exit is excessive.
>
> But we still need Vcpu exit to handle VMBus hypercalls by QEMU to
> emulate VMBus devices inside QEMU.
>
> And currently we are going to extend struct kvm_hyperv_exit
> to store Hyper-V VMBus hypercall parameters.
Hm... Hypercalls, you say?
We already have KVM_EXIT_HYPERCALL. Documentation says it's currently unused.
Is it a leftover from ia64 KVM? Could we reuse it for
the purpose?
> but could we replace Hyper-V VMBus hypercall and it's parameters
> by KVM_EXIT_REG_IO/MSR_IO too?
It depends. Can i read about these hypercalls somewhere? Is there any
documentation?
Kind regards,
Pavel Fedin
Expert Engineer
Samsung Electronics Research center Russia
- Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit, Pavel Fedin, 2015/12/18
- Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit, Denis V. Lunev, 2015/12/18
- Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit, Paolo Bonzini, 2015/12/18
- Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit, Peter Hornyack, 2015/12/18
- Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit, Paolo Bonzini, 2015/12/18
- Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit, Roman Kagan, 2015/12/18
- Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit, Andrey Smetanin, 2015/12/21
- Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit,
Pavel Fedin <=
- Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit, Andrey Smetanin, 2015/12/21
- Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit, Pavel Fedin, 2015/12/21
Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit, 'Roman Kagan', 2015/12/18
Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit, Pavel Fedin, 2015/12/21
Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit, 'Roman Kagan', 2015/12/18