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Re: [PATCH v7 8/9] i386: Hyper-V SynIC requires POST_MESSAGES/SIGNAL_EVE
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From: |
Eric Blake |
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Subject: |
Re: [PATCH v7 8/9] i386: Hyper-V SynIC requires POST_MESSAGES/SIGNAL_EVENTS priviliges |
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Date: |
Fri, 4 Jun 2021 09:06:51 -0500 |
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User-agent: |
NeoMutt/20210205 |
On Thu, Jun 03, 2021 at 01:48:34PM +0200, Vitaly Kuznetsov wrote:
In the subject, s/priviliges/privileges/
> When Hyper-V SynIC is enabled, we may need to allow Windows guests to make
> hypercalls (POST_MESSAGES/SIGNAL_EVENTS). No issue is currently observed
> because KVM is very permissive, allowing these hypercalls regarding of
> guest visible CPUid bits.
>
> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org