On Thu, Mar 27, 2025 at 05:08:35PM +, Joel Fernandes wrote:
>
>
> > On Mar 27, 2025, at 12:48 PM, Paul E. McKenney wrote:
> >
> > On Thu, Mar 27, 2025 at 12:22:12PM -0400, Joel Fernandes wrote:
> >> Paul,
> >>
> If rtorsu_hrt timer is still in timer_queue, invoke hrtimer_cancel() wil
> On Mar 27, 2025, at 12:48 PM, Paul E. McKenney wrote:
>
> On Thu, Mar 27, 2025 at 12:22:12PM -0400, Joel Fernandes wrote:
>> Paul,
>>
If rtorsu_hrt timer is still in timer_queue, invoke hrtimer_cancel() will
remove it from timerqueue and directly return, so the
rcu_torture_u
On Thu, Mar 27, 2025 at 12:22:12PM -0400, Joel Fernandes wrote:
> Paul,
>
> >> If rtorsu_hrt timer is still in timer_queue, invoke hrtimer_cancel() will
> >> remove it from timerqueue and directly return, so the
> >> rcu_torture_updown_hrt()
> >> will not be executed and the rtorsup->rtorsu_inuse
Paul,
>> If rtorsu_hrt timer is still in timer_queue, invoke hrtimer_cancel() will
>> remove it from timerqueue and directly return, so the
>> rcu_torture_updown_hrt()
>> will not be executed and the rtorsup->rtorsu_inuse cannot be set false.
>>
>> How about modifying it as follows:
>>
>> diff --
On Thu, Mar 27, 2025 at 11:26:01AM +0800, Z qiang wrote:
> >
> > This commit adds a new rcutorture.n_up_down kernel boot parameter
> > that specifies the number of outstanding SRCU up/down readers, which
> > begin in kthread context and end in an hrtimer handler. There is a new
> > kthread ("rcu_t
>
> This commit adds a new rcutorture.n_up_down kernel boot parameter
> that specifies the number of outstanding SRCU up/down readers, which
> begin in kthread context and end in an hrtimer handler. There is a new
> kthread ("rcu_torture_updown") that scans an per-reader array looking
> for elemen
This commit adds a new rcutorture.n_up_down kernel boot parameter
that specifies the number of outstanding SRCU up/down readers, which
begin in kthread context and end in an hrtimer handler. There is a new
kthread ("rcu_torture_updown") that scans an per-reader array looking
for elements whose rea
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