RE: [PATCH v3] Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors

2015-01-26 Thread KY Srinivasan
ubject: Re: [PATCH v3] Drivers: hv: vmbus: prevent cpu offlining on newer > hypervisors > > On Mon, Jan 26, 2015 at 11:38:54AM +0100, Vitaly Kuznetsov wrote: > > Greg Kroah-Hartman writes: > > > > > On Mon, Jan 12, 2015 at 05:50:11PM +0100, Vitaly Kuznetsov wrote: > >

Re: [PATCH v3] Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors

2015-01-26 Thread Greg Kroah-Hartman
On Mon, Jan 26, 2015 at 11:38:54AM +0100, Vitaly Kuznetsov wrote: > Greg Kroah-Hartman writes: > > > On Mon, Jan 12, 2015 at 05:50:11PM +0100, Vitaly Kuznetsov wrote: > >> When an SMP Hyper-V guest is running on top of 2012R2 Server and secondary > >> cpus are sent offline (with echo 0 > > >>

RE: [PATCH v3] Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors

2015-01-26 Thread KY Srinivasan
PATCH v3] Drivers: hv: vmbus: prevent cpu offlining on newer > hypervisors > > Greg Kroah-Hartman writes: > > > On Mon, Jan 12, 2015 at 05:50:11PM +0100, Vitaly Kuznetsov wrote: > >> When an SMP Hyper-V guest is running on top of 2012R2 Server and > >> seconda

Re: [PATCH v3] Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors

2015-01-26 Thread Vitaly Kuznetsov
Greg Kroah-Hartman writes: > On Mon, Jan 12, 2015 at 05:50:11PM +0100, Vitaly Kuznetsov wrote: >> When an SMP Hyper-V guest is running on top of 2012R2 Server and secondary >> cpus are sent offline (with echo 0 > /sys/devices/system/cpu/cpu$cpu/online) >> the system freeze is observed. This

RE: [PATCH v3] Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors

2015-01-26 Thread KY Srinivasan
-Original Message- From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com] Sent: Monday, January 26, 2015 2:39 AM To: Greg Kroah-Hartman Cc: KY Srinivasan; de...@linuxdriverproject.org; Haiyang Zhang; linux- ker...@vger.kernel.org; Dexuan Cui Subject: Re: [PATCH v3] Drivers: hv: vmbus

Re: [PATCH v3] Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors

2015-01-26 Thread Vitaly Kuznetsov
Greg Kroah-Hartman gre...@linuxfoundation.org writes: On Mon, Jan 12, 2015 at 05:50:11PM +0100, Vitaly Kuznetsov wrote: When an SMP Hyper-V guest is running on top of 2012R2 Server and secondary cpus are sent offline (with echo 0 /sys/devices/system/cpu/cpu$cpu/online) the system freeze is

Re: [PATCH v3] Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors

2015-01-26 Thread Greg Kroah-Hartman
On Mon, Jan 26, 2015 at 11:38:54AM +0100, Vitaly Kuznetsov wrote: Greg Kroah-Hartman gre...@linuxfoundation.org writes: On Mon, Jan 12, 2015 at 05:50:11PM +0100, Vitaly Kuznetsov wrote: When an SMP Hyper-V guest is running on top of 2012R2 Server and secondary cpus are sent offline (with

RE: [PATCH v3] Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors

2015-01-26 Thread KY Srinivasan
: vmbus: prevent cpu offlining on newer hypervisors On Mon, Jan 26, 2015 at 11:38:54AM +0100, Vitaly Kuznetsov wrote: Greg Kroah-Hartman gre...@linuxfoundation.org writes: On Mon, Jan 12, 2015 at 05:50:11PM +0100, Vitaly Kuznetsov wrote: When an SMP Hyper-V guest is running on top

Re: [PATCH v3] Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors

2015-01-25 Thread Greg Kroah-Hartman
On Mon, Jan 12, 2015 at 05:50:11PM +0100, Vitaly Kuznetsov wrote: > When an SMP Hyper-V guest is running on top of 2012R2 Server and secondary > cpus are sent offline (with echo 0 > /sys/devices/system/cpu/cpu$cpu/online) > the system freeze is observed. This happens due to the fact that on newer

Re: [PATCH v3] Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors

2015-01-25 Thread Greg Kroah-Hartman
On Mon, Jan 12, 2015 at 05:50:11PM +0100, Vitaly Kuznetsov wrote: When an SMP Hyper-V guest is running on top of 2012R2 Server and secondary cpus are sent offline (with echo 0 /sys/devices/system/cpu/cpu$cpu/online) the system freeze is observed. This happens due to the fact that on newer

RE: [PATCH v3] Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors

2015-01-12 Thread KY Srinivasan
> -Original Message- > From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com] > Sent: Monday, January 12, 2015 8:50 AM > To: KY Srinivasan; de...@linuxdriverproject.org > Cc: Haiyang Zhang; Greg Kroah-Hartman; linux-kernel@vger.kernel.org; > Dexuan Cui > Subject: [PATCH v3] Drivers: hv:

RE: [PATCH v3] Drivers: hv: vmbus: prevent cpu offlining on newer hypervisors

2015-01-12 Thread KY Srinivasan
-Original Message- From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com] Sent: Monday, January 12, 2015 8:50 AM To: KY Srinivasan; de...@linuxdriverproject.org Cc: Haiyang Zhang; Greg Kroah-Hartman; linux-kernel@vger.kernel.org; Dexuan Cui Subject: [PATCH v3] Drivers: hv: vmbus: