Re: [PATCH 2/4] timer: relax tick stop in idle entry

From: Thomas Gleixner
Date: Mon Nov 16 2015 - 17:02:04 EST

On Mon, 16 Nov 2015, Jacob Pan wrote:

> For the second case, which is much more rare, I think we do have next
> timer exactly one tick away. Just don't know why tick will continue into
> idle loop.

Well, it should not be hard to figure that out. There are not so many
checks involved when tick_nohz_irq_exit() is called.


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