Messages in this thread | | | Subject | Re: [PATCH v2 03/22] KVM: SVM: immediately inject INTR vmexit | From | Paolo Bonzini <> | Date | Thu, 21 May 2020 16:08:19 +0200 |
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On 21/05/20 14:50, Vitaly Kuznetsov wrote: > Sorry for reporting this late but I just found out that this commit > breaks Hyper-V 2016 on KVM on SVM completely (always hangs on boot). I > haven't investigated it yet (well, this is Windows, you know...) but > what's usually different about Hyper-V is that unlike KVM/Linux it has > handlers for some hardware interrupts in the guest and not in the > hypervisor.
"Always hangs on boot" is easy. :) At this point I think it's easiest to debug it on top of the whole pending SVM patches that remove exit_required completely (and exit_required is not coming back anyway).
Can you get a trace and send it to me?
Paolo
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