On Wed, Jun 18, 2014 at 12:36:15PM -0400, Konrad Rzeszutek Wilk wrote:
> On Sun, Jun 15, 2014 at 02:47:04PM +0200, Peter Zijlstra wrote:
> > From: Waiman Long
> >
> > Currently, atomic_cmpxchg() is used to get the lock. However, this is
> > not really necessary if there is more than one task in t
On Sun, Jun 15, 2014 at 02:47:04PM +0200, Peter Zijlstra wrote:
> From: Waiman Long
>
> Currently, atomic_cmpxchg() is used to get the lock. However, this is
> not really necessary if there is more than one task in the queue and
> the queue head don't need to reset the queue code word. For that c
