Re: stop_machine lockup issue in 3.9.y.

From: Eric Dumazet
Date: Thu Jun 06 2013 - 00:08:24 EST

On Wed, 2013-06-05 at 20:50 -0700, Ben Greear wrote:
> On 06/05/2013 08:46 PM, Eric Dumazet wrote:
> >
> > We use in Google a patch triggering warning is a thread holds the cpu
> > without taking care to need_resched() for more than xx ms
> Well, I'm sure that patch works nicely until the clock stops moving
> forward :)

This is not using jiffies, but the clock used in kernel/sched/core.c,
with ns resolution ;)

> I'll post a patch with limit of 10 shortly.


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