Re: [PATCH V2 3/3] workqueue: Schedule work on non-idle cpu instead of current one

Hello,

On Sun, Sep 30, 2012 at 05:46:45PM +0530, Viresh Kumar wrote:

For the scheduler CPU is idle, if all below are true:

• current task is idle task
• nr_running == 0
• wake_list is empty

And during these conditions, there can be a timer running in background. And when we reach its interrupt handler, then also these conditions hold true and local cpu is idle.

It isn't about the CPU being actually idle? Also, if it's only about timers, shouldn't it be enough to implement it for timer and delayed_work?

It would be great if you explain what you're trying to achieve how. I can't tell what you're aiming for and why that would be beneficial from these submissions.

Thanks.