Re: [PATCH V4] tick/hotplug: Handover time related duties before cpu offline

2015-02-16 Thread Michael Ellerman
On Tue, 2015-02-17 at 09:38 +0530, Preeti U Murthy wrote: > On 02/17/2015 07:28 AM, Michael Ellerman wrote: > > On Sat, 2015-01-31 at 09:44 +0530, Preeti U Murthy wrote: > >> These duties include do_timer to update jiffies and broadcast wakeups on > >> those > >> platforms which do not have an

Re: [PATCH V4] tick/hotplug: Handover time related duties before cpu offline

2015-02-16 Thread Preeti U Murthy
On 02/17/2015 07:28 AM, Michael Ellerman wrote: > On Sat, 2015-01-31 at 09:44 +0530, Preeti U Murthy wrote: >> These duties include do_timer to update jiffies and broadcast wakeups on >> those >> platforms which do not have an external device to handle wakeup of cpus from >> deep >> idle states.

Re: [PATCH V4] tick/hotplug: Handover time related duties before cpu offline

2015-02-16 Thread Michael Ellerman
On Sat, 2015-01-31 at 09:44 +0530, Preeti U Murthy wrote: > These duties include do_timer to update jiffies and broadcast wakeups on those > platforms which do not have an external device to handle wakeup of cpus from > deep > idle states. The handover of these duties is not robust against a cpu

Re: [PATCH V4] tick/hotplug: Handover time related duties before cpu offline

2015-02-16 Thread Michael Ellerman
On Sat, 2015-01-31 at 09:44 +0530, Preeti U Murthy wrote: These duties include do_timer to update jiffies and broadcast wakeups on those platforms which do not have an external device to handle wakeup of cpus from deep idle states. The handover of these duties is not robust against a cpu

Re: [PATCH V4] tick/hotplug: Handover time related duties before cpu offline

2015-02-16 Thread Preeti U Murthy
On 02/17/2015 07:28 AM, Michael Ellerman wrote: On Sat, 2015-01-31 at 09:44 +0530, Preeti U Murthy wrote: These duties include do_timer to update jiffies and broadcast wakeups on those platforms which do not have an external device to handle wakeup of cpus from deep idle states. The

Re: [PATCH V4] tick/hotplug: Handover time related duties before cpu offline

2015-02-16 Thread Michael Ellerman
On Tue, 2015-02-17 at 09:38 +0530, Preeti U Murthy wrote: On 02/17/2015 07:28 AM, Michael Ellerman wrote: On Sat, 2015-01-31 at 09:44 +0530, Preeti U Murthy wrote: These duties include do_timer to update jiffies and broadcast wakeups on those platforms which do not have an external

[PATCH V4] tick/hotplug: Handover time related duties before cpu offline

2015-01-30 Thread Preeti U Murthy
These duties include do_timer to update jiffies and broadcast wakeups on those platforms which do not have an external device to handle wakeup of cpus from deep idle states. The handover of these duties is not robust against a cpu offline operation today. The do_timer duty is handed over in the

[PATCH V4] tick/hotplug: Handover time related duties before cpu offline

2015-01-30 Thread Preeti U Murthy
These duties include do_timer to update jiffies and broadcast wakeups on those platforms which do not have an external device to handle wakeup of cpus from deep idle states. The handover of these duties is not robust against a cpu offline operation today. The do_timer duty is handed over in the