On Wed, Jun 10, 2020 at 09:32:03PM -0400, Joel Fernandes wrote:
> On Thu, Jun 04, 2020 at 03:10:30PM +0200, Frederic Weisbecker wrote:
> > On Tue, May 26, 2020 at 06:49:08PM -0400, Joel Fernandes wrote:
> > > On Tue, May 26, 2020 at 05:20:17PM -0400, Joel Fernandes wrote:
> > >
> > > > > The
On Thu, Jun 04, 2020 at 03:10:30PM +0200, Frederic Weisbecker wrote:
> On Tue, May 26, 2020 at 06:49:08PM -0400, Joel Fernandes wrote:
> > On Tue, May 26, 2020 at 05:20:17PM -0400, Joel Fernandes wrote:
> >
> > > > The switch happens on the target with IRQs disabled and rdp->nocb_lock
> > > >
On Tue, May 26, 2020 at 05:20:17PM -0400, Joel Fernandes wrote:
> On Wed, May 13, 2020 at 06:47:12PM +0200, Frederic Weisbecker wrote:
> > Allow a CPU's rdp to quit the callback offlined mode.
>
> nit: s/offlined/offloaded/ ?
Oh, looks like I did that everywhere :)
>
> > The switch happens on
On Tue, May 26, 2020 at 06:49:08PM -0400, Joel Fernandes wrote:
> On Tue, May 26, 2020 at 05:20:17PM -0400, Joel Fernandes wrote:
>
> > > The switch happens on the target with IRQs disabled and rdp->nocb_lock
> > > held to avoid races between local callbacks handling and kthread
> > > offloaded
On Tue, May 26, 2020 at 05:20:17PM -0400, Joel Fernandes wrote:
> > The switch happens on the target with IRQs disabled and rdp->nocb_lock
> > held to avoid races between local callbacks handling and kthread
> > offloaded callbacks handling.
> > nocb_cb kthread is first parked to avoid any
On Wed, May 13, 2020 at 06:47:12PM +0200, Frederic Weisbecker wrote:
> Allow a CPU's rdp to quit the callback offlined mode.
nit: s/offlined/offloaded/ ?
> The switch happens on the target with IRQs disabled and rdp->nocb_lock
> held to avoid races between local callbacks handling and kthread
>
On Thu, May 14, 2020 at 03:47:35PM -0700, Paul E. McKenney wrote:
> On Fri, May 15, 2020 at 12:30:23AM +0200, Frederic Weisbecker wrote:
> > On Thu, May 14, 2020 at 08:47:07AM -0700, Paul E. McKenney wrote:
> > > On Thu, May 14, 2020 at 12:45:26AM +0200, Frederic Weisbecker wrote:
> > > This last
On Fri, May 15, 2020 at 12:30:23AM +0200, Frederic Weisbecker wrote:
> On Thu, May 14, 2020 at 08:47:07AM -0700, Paul E. McKenney wrote:
> > On Thu, May 14, 2020 at 12:45:26AM +0200, Frederic Weisbecker wrote:
> > This last seems best to me. The transition from CBLIST_NOT_OFFLOADED
> > to
On Thu, May 14, 2020 at 08:47:07AM -0700, Paul E. McKenney wrote:
> On Thu, May 14, 2020 at 12:45:26AM +0200, Frederic Weisbecker wrote:
> This last seems best to me. The transition from CBLIST_NOT_OFFLOADED
> to CBLIST_OFFLOADING of course needs to be on the CPU in question with
> at least bh
On Thu, May 14, 2020 at 12:45:26AM +0200, Frederic Weisbecker wrote:
> On Wed, May 13, 2020 at 11:38:31AM -0700, Paul E. McKenney wrote:
> > On Wed, May 13, 2020 at 06:47:12PM +0200, Frederic Weisbecker wrote:
> > > +static void __rcu_nocb_rdp_deoffload(struct rcu_data *rdp)
> > > +{
> > > +
On Wed, May 13, 2020 at 11:38:31AM -0700, Paul E. McKenney wrote:
> On Wed, May 13, 2020 at 06:47:12PM +0200, Frederic Weisbecker wrote:
> > +static void __rcu_nocb_rdp_deoffload(struct rcu_data *rdp)
> > +{
> > + unsigned long flags;
> > + struct rcu_node *rnp = rdp->mynode;
> > +
> > +
On Wed, May 13, 2020 at 06:47:12PM +0200, Frederic Weisbecker wrote:
> Allow a CPU's rdp to quit the callback offlined mode.
> The switch happens on the target with IRQs disabled and rdp->nocb_lock
> held to avoid races between local callbacks handling and kthread
> offloaded callbacks handling.
>
Allow a CPU's rdp to quit the callback offlined mode.
The switch happens on the target with IRQs disabled and rdp->nocb_lock
held to avoid races between local callbacks handling and kthread
offloaded callbacks handling.
nocb_cb kthread is first parked to avoid any future race with
concurrent
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