[PATCH 0/3] KVM: SVM: Fix guest not booting w/ AVIC enabled

2017-09-05 Thread Suravee Suthikulpanit
Certain QEMU options fails to boot VM guest w/ SVM AVIC enabled (e.g. modprobe kvm_amd avic=1). Investigation shows that this mainly due to AVIC hardware does not trap into hypervisor when guest OS writes to APIC_EOI register. The boot hang is caused by missing timer interrupt when using

[PATCH 0/3] KVM: SVM: Fix guest not booting w/ AVIC enabled

2017-09-05 Thread Suravee Suthikulpanit
Certain QEMU options fails to boot VM guest w/ SVM AVIC enabled (e.g. modprobe kvm_amd avic=1). Investigation shows that this mainly due to AVIC hardware does not trap into hypervisor when guest OS writes to APIC_EOI register. The boot hang is caused by missing timer interrupt when using