Le Wed, Oct 23, 2024 at 12:52:57PM +0200, Sebastian Andrzej Siewior a écrit :
> On 2024-10-23 08:30:18 [+0200], To Frederic Weisbecker wrote:
> > > > > > +void raise_timer_softirq(void)
> > > > > > +{
> > > > > > + unsigned long flags;
> > > > > > +
> > > > > > + local_irq_save(flags);
> > > >
On 2024-10-23 08:30:18 [+0200], To Frederic Weisbecker wrote:
> > > > > +void raise_timer_softirq(void)
> > > > > +{
> > > > > + unsigned long flags;
> > > > > +
> > > > > + local_irq_save(flags);
> > > > > + raise_ktimers_thread(TIMER_SOFTIRQ);
> > > > > + wake_timersd();
> > > >
Le Wed, Oct 23, 2024 at 08:30:14AM +0200, Sebastian Andrzej Siewior a écrit :
> On 2024-10-23 00:27:34 [+0200], Frederic Weisbecker wrote:
> > > Try again without the "ksoftirqd will collect it all" since this won't
> > > happen since the revert I mentioned.
> >
> > I still don't get it, this make
On 2024-10-23 00:27:34 [+0200], Frederic Weisbecker wrote:
> > Try again without the "ksoftirqd will collect it all" since this won't
> > happen since the revert I mentioned.
>
> I still don't get it, this makes:
>
> """
> Once the ksoftirqd is marked as pending (or is running), a softirq which
>
Le Tue, Oct 22, 2024 at 05:34:21PM +0200, Sebastian Andrzej Siewior a écrit :
> On 2024-10-22 15:28:56 [+0200], Frederic Weisbecker wrote:
> > > Once the ksoftirqd is marked as pending (or is running) it will collect
> > > all raised softirqs. This in turn means that a softirq which would have
> >
On 2024-10-22 15:28:56 [+0200], Frederic Weisbecker wrote:
> Le Fri, Oct 04, 2024 at 12:17:04PM +0200, Sebastian Andrzej Siewior a écrit :
> > A timer/ hrtimer softirq is raised in-IRQ context. With threaded
> > interrupts enabled or on PREEMPT_RT this leads to waking the ksoftirqd
> > for the proc
Le Fri, Oct 04, 2024 at 12:17:04PM +0200, Sebastian Andrzej Siewior a écrit :
> A timer/ hrtimer softirq is raised in-IRQ context. With threaded
> interrupts enabled or on PREEMPT_RT this leads to waking the ksoftirqd
> for the processing of the softirq.
It took me some time to understand the actu
On Fri, Oct 04, 2024 at 12:17:04PM +0200, Sebastian Andrzej Siewior wrote:
> A timer/ hrtimer softirq is raised in-IRQ context. With threaded
> interrupts enabled or on PREEMPT_RT this leads to waking the ksoftirqd
> for the processing of the softirq.
> Once the ksoftirqd is marked as pending (or i
A timer/ hrtimer softirq is raised in-IRQ context. With threaded
interrupts enabled or on PREEMPT_RT this leads to waking the ksoftirqd
for the processing of the softirq.
Once the ksoftirqd is marked as pending (or is running) it will collect
all raised softirqs. This in turn means that a softirq w
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