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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: |
Tue, 27 Jun 2023 10:31:45 +0200 |
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(-)
Ping)
--
Vitaly