On Fri, Mar 01, 2024 at 03:30:01PM -0500, Steven Rostedt wrote:
> On Fri, 1 Mar 2024 12:25:10 -0800
> "Paul E. McKenney" wrote:
>
> > > That would work for me. If there are no objections, I will make this
> > > change.
> >
> > But I did check the latency of synchronize_rcu_tasks_rude() (about
On Fri, 1 Mar 2024 12:25:10 -0800
"Paul E. McKenney" wrote:
> > That would work for me. If there are no objections, I will make this
> > change.
>
> But I did check the latency of synchronize_rcu_tasks_rude() (about 100ms)
> and synchronize_rcu() (about 20ms). This is on a 80-hardware-thread
On Wed, Feb 28, 2024 at 01:16:04PM -0800, Paul E. McKenney wrote:
> On Wed, Feb 28, 2024 at 03:22:36PM -0500, Steven Rostedt wrote:
> > On Wed, 28 Feb 2024 11:38:29 -0800
> > "Paul E. McKenney" wrote:
> >
> > > The advent of CONFIG_PREEMPT_AUTO, AKA lazy preemption, will mean that
> > > even kern
On Wed, Feb 28, 2024 at 03:22:36PM -0500, Steven Rostedt wrote:
> On Wed, 28 Feb 2024 11:38:29 -0800
> "Paul E. McKenney" wrote:
>
> > The advent of CONFIG_PREEMPT_AUTO, AKA lazy preemption, will mean that
> > even kernels built with CONFIG_PREEMPT_NONE or CONFIG_PREEMPT_VOLUNTARY
> > might see t
On Wed, 28 Feb 2024 11:38:29 -0800
"Paul E. McKenney" wrote:
> The advent of CONFIG_PREEMPT_AUTO, AKA lazy preemption, will mean that
> even kernels built with CONFIG_PREEMPT_NONE or CONFIG_PREEMPT_VOLUNTARY
> might see the occasional preemption, and that this preemption just might
> happen withi
The advent of CONFIG_PREEMPT_AUTO, AKA lazy preemption, will mean that
even kernels built with CONFIG_PREEMPT_NONE or CONFIG_PREEMPT_VOLUNTARY
might see the occasional preemption, and that this preemption just might
happen within a trampoline.
Therefore, update ftrace_shutdown() to invoke synchron
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