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Re: [PATCH 0/2] i386: Fix Hyper-V Gen1 guests stuck on boot with 'hv-pas
From: |
Vitaly Kuznetsov |
Subject: |
Re: [PATCH 0/2] i386: Fix Hyper-V Gen1 guests stuck on boot with 'hv-passthrough' |
Date: |
Fri, 22 Sep 2023 14:08:24 +0200 |
Vitaly Kuznetsov <vkuznets@redhat.com> writes:
> Vitaly Kuznetsov <vkuznets@redhat.com> writes:
>
>> Vitaly Kuznetsov <vkuznets@redhat.com> writes:
>>
>>> Hyper-V Gen1 guests are getting stuck on boot when 'hv-passthrough' is
>>> used. While 'hv-passthrough' is a debug only feature, this significantly
>>> limit its usefullness. While debugging the problem, I found that there are
>>> two loosely connected issues:
>>> - 'hv-passthrough' enables 'hv-syndbg' and this is undesired.
>>> - 'hv-syndbg's support by KVM is detected incorrectly when !CONFIG_SYNDBG.
>>>
>>> Fix both issues; exclude 'hv-syndbg' from 'hv-passthrough' and don't allow
>>> to turn on 'hv-syndbg' for !CONFIG_SYNDBG builds.
>>>
>>> Vitaly Kuznetsov (2):
>>> i386: Fix conditional CONFIG_SYNDBG enablement
>>> i386: Exclude 'hv-syndbg' from 'hv-passthrough'
>>>
>>> docs/system/i386/hyperv.rst | 13 +++++++++----
>>> target/i386/cpu.c | 2 ++
>>> target/i386/kvm/kvm.c | 18 ++++++++++++------
>>> 3 files changed, 23 insertions(+), 10 deletions(-)
>
> Monthly ping)
Turns out these patches were never merged and honestly I forgot about
them myself. Will resend shortly.
--
Vitaly
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