Re: [Qemu-devel] [PATCH v2 1/1] hyperv: cpu hotplug fix with HyperV enabled

2016-02-18 Thread Eduardo Habkost
On Thu, Feb 18, 2016 at 07:50:59PM +0300, Denis V. Lunev wrote: > On 02/17/2016 11:31 PM, Eduardo Habkost wrote: > >On Sat, Feb 13, 2016 at 03:00:15PM +0300, Denis V. Lunev wrote: > >>With Hyper-V enabled CPU hotplug stops working. The CPU appears in device > >>manager on Windows but does not appea

Re: [Qemu-devel] [PATCH v2 1/1] hyperv: cpu hotplug fix with HyperV enabled

2016-02-18 Thread Denis V. Lunev
On 02/17/2016 11:31 PM, Eduardo Habkost wrote: On Sat, Feb 13, 2016 at 03:00:15PM +0300, Denis V. Lunev wrote: With Hyper-V enabled CPU hotplug stops working. The CPU appears in device manager on Windows but does not appear in peformance monitor and control panel. The root of the problem is the

Re: [Qemu-devel] [PATCH v2 1/1] hyperv: cpu hotplug fix with HyperV enabled

2016-02-17 Thread Eduardo Habkost
On Sat, Feb 13, 2016 at 03:00:15PM +0300, Denis V. Lunev wrote: > With Hyper-V enabled CPU hotplug stops working. The CPU appears in device > manager on Windows but does not appear in peformance monitor and control > panel. > > The root of the problem is the following. Windows checks > HV_X64_CPU_

Re: [Qemu-devel] [PATCH v2 1/1] hyperv: cpu hotplug fix with HyperV enabled

2016-02-17 Thread Denis V. Lunev
On 02/13/2016 03:00 PM, Denis V. Lunev wrote: With Hyper-V enabled CPU hotplug stops working. The CPU appears in device manager on Windows but does not appear in peformance monitor and control panel. The root of the problem is the following. Windows checks HV_X64_CPU_DYNAMIC_PARTITIONING_AVAILAB

[Qemu-devel] [PATCH v2 1/1] hyperv: cpu hotplug fix with HyperV enabled

2016-02-13 Thread Denis V. Lunev
With Hyper-V enabled CPU hotplug stops working. The CPU appears in device manager on Windows but does not appear in peformance monitor and control panel. The root of the problem is the following. Windows checks HV_X64_CPU_DYNAMIC_PARTITIONING_AVAILABLE bit in CPUID. The presence of this bit is eno