On Wed, May 18, 2016 at 07:30:41PM +0100, Mark Rutland wrote:
> On Wed, May 18, 2016 at 11:01:53AM -0700, Paul E. McKenney wrote:
> > On Wed, May 18, 2016 at 06:15:23PM +0300, Andrey Ryabinin wrote:
> > > 2016-05-16 19:48 GMT+03:00 Mark Rutland :
> > >
> > > > /*
> > > > + * Iterate over all poss
On Wed, May 18, 2016 at 11:01:53AM -0700, Paul E. McKenney wrote:
> On Wed, May 18, 2016 at 06:15:23PM +0300, Andrey Ryabinin wrote:
> > 2016-05-16 19:48 GMT+03:00 Mark Rutland :
> >
> > > /*
> > > + * Iterate over all possible CPUs in a leaf RCU node.
> > > + */
> > > +#define for_each_leaf_node
On Wed, May 18, 2016 at 06:15:23PM +0300, Andrey Ryabinin wrote:
> 2016-05-16 19:48 GMT+03:00 Mark Rutland :
>
> > /*
> > + * Iterate over all possible CPUs in a leaf RCU node.
> > + */
> > +#define for_each_leaf_node_possible_cpu(rnp, cpu) \
> > + for ((cpu) = rnp->grplo; \
> > +
2016-05-16 19:48 GMT+03:00 Mark Rutland :
> /*
> + * Iterate over all possible CPUs in a leaf RCU node.
> + */
> +#define for_each_leaf_node_possible_cpu(rnp, cpu) \
> + for ((cpu) = rnp->grplo; \
> +cpu <= rnp->grphi; \
> +cpu = cpumask_next((cpu), cpu_possible_mask
On Mon, May 16, 2016 at 05:48:26PM +0100, Mark Rutland wrote:
> In many cases in the RCU tree code, we iterate over the set of CPUS for
> a leaf node described by rcu_node::grplo and rcu_node::grphi, checking
> per-cpu data for each CPU in this range. However, if the set of possible
> CPUs is spars
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