On 26/11/18 16:47, Vitaly Kuznetsov wrote: > Changes since v1: > - avoid open-coding stimer_mark_pending() in kvm_hv_notify_acked_sint() and > kvm_hv_synic_send_eoi [Paolo Bonzini] > > 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. > > Qemu and kvm-unit-test patches for testing this series can be found in > v1 submission: > https://lkml.org/lkml/2018/11/13/972 > > Vitaly Kuznetsov (4): > x86/hyper-v: move synic/stimer control structures definitions to > hyperv-tlfs.h > x86/kvm/hyper-v: use stimer config definition from hyperv-tlfs.h > x86/kvm/hyper-v: direct mode for synthetic timers > x86/kvm/hyper-v: avoid open-coding stimer_mark_pending() in > kvm_hv_notify_acked_sint() > > arch/x86/include/asm/hyperv-tlfs.h | 73 ++++++++++++++++++-- > arch/x86/include/asm/kvm_host.h | 2 +- > arch/x86/kvm/hyperv.c | 106 +++++++++++++++++++++-------- > arch/x86/kvm/trace.h | 10 +-- > arch/x86/kvm/x86.c | 1 + > drivers/hv/hv.c | 2 +- > drivers/hv/hyperv_vmbus.h | 68 ------------------ > include/uapi/linux/kvm.h | 1 + > 8 files changed, 154 insertions(+), 109 deletions(-) > Queued, thanks. Paolo
