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Re: [PATCH v2 0/3] i386: Add support for Hyper-V Enlightened MSR-Bitmap
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From: |
Vitaly Kuznetsov |
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Subject: |
Re: [PATCH v2 0/3] i386: Add support for Hyper-V Enlightened MSR-Bitmap and XMM fast hypercall input features |
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Date: |
Sun, 06 Mar 2022 12:03:55 +0100 |
Vitaly Kuznetsov <vkuznets@redhat.com> writes:
> 'XMM fast hypercall input feature' is supported by KVM since v5.14,
> it allows for faster Hyper-V hypercall processing.
>
> 'Enlightened MSR-Bitmap' is a new nested specific enlightenment speeds up
> L2 vmexits by avoiding unnecessary updates to L2 MSR-Bitmap. KVM support
> for the feature on Intel CPUs is coming in v5.17 and is queued for 5.18 for
> AMD CPUs.
>
Gentle ping) It seems the time is running out to get this in 7.0...
--
Vitaly
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