Wincy Van wrote on 2015-01-28: > v1 ---> v2: > Use spin lock to ensure vmcs12 is safe when doing nested > posted interrupt delivery. > v2 ---> v3: > 1. Add a new field in nested_vmx to avoid the spin lock in v2. > 2. Drop send eoi to L1 when doing nested interrupt delivery. > 3. Use hardware MSR bitmap to enable nested virtualize x2apic > mode. > v3 ---> v4: > 1. Optimize nested msr bitmap merging. > 2. Allocate nested msr bitmap only when nested == 1. > 3. Inline the nested vmx control checking functions.
This version looks good to me. Only minor comment: EXIT_REASON_APIC_WRITE vmexit is introduced by apic register virtualization not virtual interrupt delivery, so it's better add it in 4th patch not 5th patch.(If no other comments, I guess Paolo can help do it when applying it). Reviewed-by: Yang Zhang <yang.z.zh...@intel.com> > Wincy Van (6): > KVM: nVMX: Use hardware MSR bitmap > KVM: nVMX: Enable nested virtualize x2apic mode > KVM: nVMX: Make nested control MSRs per-cpu > KVM: nVMX: Enable nested apic register virtualization > KVM: nVMX: Enable nested virtual interrupt delivery > KVM: nVMX: Enable nested posted interrupt processing > arch/x86/kvm/vmx.c | 580 > +++++++++++++++++++++++++++++++++++++++++++--------- 1 files changed, > 480 insertions(+), 100 deletions(-) Best regards, Yang
