Re: [RFC PATCH v2 3/6] sched: pack small tasks

On 12/14/2012 05:33 PM, Vincent Guittot wrote: > On 14 December 2012 02:46, Alex Shi wrote: >> On 12/13/2012 11:48 PM, Vincent Guittot wrote: >>> On 13 December 2012 15:53, Vincent Guittot >>> wrote: On 13 December 2012 15:25, Alex Shi wrote: > On 12/13/2012 06:11 PM, Vincent Guittot w

[PATCH 3/3] cpufreq: Don't use cpu removed during cpufreq_driver_unregister

This is how the core works: cpufreq_driver_unregister() - subsys_interface_unregister() - for_each_cpu() call cpufreq_remove_dev(), i.e. 0,1,2,3,4 when we unregister. cpufreq_remove_dev(): - Remove policy node - Call cpufreq_add_dev() for next cpu, sharing mask with removed cpu. i.e.

[PATCH 1/3] cpufreq: Manage only online cpus

cpufreq core doesn't manage offline cpus and if driver->init() has returned mask including offline cpus, it may result in unwanted behavior by cpufreq core or governors. We need to get only online cpus in this mask. There are two places to fix this mask, cpufreq core and cpufreq driver. It makes s

[PATCH 2/3] cpufreq: Notify governors when cpus are hot-[un]plugged

Because cpufreq core and governors worry only about the online cpus, if a cpu is hot [un]plugged, we must notify governors about it, otherwise be ready to expect something unexpected. We already have notifiers in the form of CPUFREQ_GOV_START/CPUFREQ_GOV_STOP, we just need to call them now. Signe