Vitaly Kuznetsov <vkuzn...@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