On Mon, Jul 04, 2016 at 09:55:34AM -0700, Paul E. McKenney wrote:
> On Mon, Jul 04, 2016 at 02:21:43PM +0200, Frederic Weisbecker wrote:
> > On Fri, Jul 01, 2016 at 05:15:06PM -0700, Paul E. McKenney wrote:
> > > On Sat, Jul 02, 2016 at 01:49:56AM +0200, Frederic Weisbecker wrote:
> > > > On Fri, J
On Fri, Jul 01, 2016 at 01:29:59AM +0200, Frederic Weisbecker wrote:
> > void wake_up_nohz_cpu(int cpu)
> > {
> > - if (!wake_up_full_nohz_cpu(cpu))
> > + if (cpu_online(cpu) && !wake_up_full_nohz_cpu(cpu))
>
> So at this point, as we passed CPU_DYING, I believe the CPU isn't visible in
> t
On Mon, Jul 04, 2016 at 02:21:43PM +0200, Frederic Weisbecker wrote:
> On Fri, Jul 01, 2016 at 05:15:06PM -0700, Paul E. McKenney wrote:
> > On Sat, Jul 02, 2016 at 01:49:56AM +0200, Frederic Weisbecker wrote:
> > > On Fri, Jul 01, 2016 at 11:40:54AM -0700, Paul E. McKenney wrote:
> > > > On Fri, J
On Fri, Jul 01, 2016 at 05:15:06PM -0700, Paul E. McKenney wrote:
> On Sat, Jul 02, 2016 at 01:49:56AM +0200, Frederic Weisbecker wrote:
> > On Fri, Jul 01, 2016 at 11:40:54AM -0700, Paul E. McKenney wrote:
> > > On Fri, Jul 01, 2016 at 01:29:59AM +0200, Frederic Weisbecker wrote:
> > > > > +/*
> >
On Sat, Jul 02, 2016 at 01:49:56AM +0200, Frederic Weisbecker wrote:
> On Fri, Jul 01, 2016 at 11:40:54AM -0700, Paul E. McKenney wrote:
> > On Fri, Jul 01, 2016 at 01:29:59AM +0200, Frederic Weisbecker wrote:
> > > > +/*
> > > > + * Wake up the specified CPU. If the CPU is going offline, it is th
On Fri, Jul 01, 2016 at 11:40:54AM -0700, Paul E. McKenney wrote:
> On Fri, Jul 01, 2016 at 01:29:59AM +0200, Frederic Weisbecker wrote:
> > > +/*
> > > + * Wake up the specified CPU. If the CPU is going offline, it is the
> > > + * caller's responsibility to deal with the lost wakeup, for example
On Fri, Jul 01, 2016 at 01:29:59AM +0200, Frederic Weisbecker wrote:
> On Thu, Jun 30, 2016 at 10:58:45AM -0700, Paul E. McKenney wrote:
> > Both timers and hrtimers are maintained on the outgoing CPU until
> > CPU_DEAD time, at which point they are migrated to a surviving CPU. If a
> > mod_timer(
On Thu, Jun 30, 2016 at 10:58:45AM -0700, Paul E. McKenney wrote:
> Both timers and hrtimers are maintained on the outgoing CPU until
> CPU_DEAD time, at which point they are migrated to a surviving CPU. If a
> mod_timer() executes between CPU_DYING and CPU_DEAD time, x86 systems
> will splat in n
Both timers and hrtimers are maintained on the outgoing CPU until
CPU_DEAD time, at which point they are migrated to a surviving CPU. If a
mod_timer() executes between CPU_DYING and CPU_DEAD time, x86 systems
will splat in native_smp_send_reschedule() when attempting to wake up
the just-now-offlin
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