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Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v4 5/5] kvm/x86: Hyper-V kvm exit |
Date: |
Fri, 18 Dec 2015 19:23:19 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 |
On 18/12/2015 19:10, Peter Hornyack wrote:
> On brief inspection of Andrey's patch (I have not been following
> closely) it looks like the kvm_hyperv_exit struct that's returned to
> userspace contains more data (control, evt_page, and msg_page fields)
> than simply the value of the MSR, so would the desired SynIC exit fit
> into a general-purpose exit for MSR emulation?
This would be a special case that is used even if the hyperv MSRs are
emulated in the kernel. Other exit subcodes than
KVM_EXIT_(MSR_)HYPERV_SYNIC would be used for your usecase of for MSR
emulation in userspace.
Paolo
- 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 <=
- 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, 2015/12/21
- 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