Re: [PATCH 3/3] x86/kvm/hyper-v: direct mode for synthetic timers

On 13/11/18 16:22, Vitaly Kuznetsov wrote: > Turns out Hyper-V on KVM (as of 2016) will only use synthetic timers > if direct mode is available. With direct mode we notify the guest by > asserting APIC irq instead of sending a SynIC message. > > The implementation uses existing vec_bitmap for lett

[PATCH 3/3] x86/kvm/hyper-v: direct mode for synthetic timers

Turns out Hyper-V on KVM (as of 2016) will only use synthetic timers if direct mode is available. With direct mode we notify the guest by asserting APIC irq instead of sending a SynIC message. The implementation uses existing vec_bitmap for letting lapic code know that we're interested in the part