Re: [PATCH V4 00/15] x86/KVM/Hyper-v: Add HV ept tlb range flush hypercall support in KVM

2018-10-15 Thread Paolo Bonzini
On 13/10/2018 16:53, lantianyu1...@gmail.com wrote: > From: Lan Tianyu > > For nested memory virtualization, Hyper-v doesn't set write-protect > L1 hypervisor EPT page directory and page table node to track changes > while it relies on guest to tell it changes via HvFlushGuestAddressLlist > hype

[PATCH V4 00/15] x86/KVM/Hyper-v: Add HV ept tlb range flush hypercall support in KVM

2018-10-13 Thread lantianyu1986
From: Lan Tianyu For nested memory virtualization, Hyper-v doesn't set write-protect L1 hypervisor EPT page directory and page table node to track changes while it relies on guest to tell it changes via HvFlushGuestAddressLlist hypercall. HvFlushGuestAddressLlist hypercall provides a way to flus