[libvirt] [PATCH v4 3/4] qemu: add support for Direct Mode for Hyper-V Synthetic timers

[Ján Tomko]

On Fri, Aug 09, 2019 at 04:31:40PM +0200, Vitaly Kuznetsov wrote:
>QEMU-4.1 supports 'Direct Mode' for Hyper-V synthetic timers
>(hv-stimer-direct CPU flag): Windows guests can request that timer
>expiration notifications are delivered as normal interrupts (and not
>VMBus messages). This is used by Hyper-V on KVM.
>
>Signed-off-by: Vitaly Kuznetsov <vkuznets at redhat.com>
>---
> src/qemu/qemu_command.c                       |  3 ++
> src/qemu/qemu_process.c                       | 20 +++++++++--
> .../hyperv-stimer-direct.x86_64-latest.args   | 32 +++++++++++++++++
> .../qemuxml2argvdata/hyperv-stimer-direct.xml | 33 +++++++++++++++++
> tests/qemuxml2argvtest.c                      |  1 +
> .../hyperv-stimer-direct.xml                  | 35 +++++++++++++++++++
> tests/qemuxml2xmltest.c                       |  1 +
> 7 files changed, 123 insertions(+), 2 deletions(-)
> create mode 100644 tests/qemuxml2argvdata/hyperv-stimer-direct.x86_64-latest.args
> create mode 100644 tests/qemuxml2argvdata/hyperv-stimer-direct.xml
> create mode 100644 tests/qemuxml2xmloutdata/hyperv-stimer-direct.xml
>

Reviewed-by: Ján Tomko <jtomko at redhat.com>

Jano
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