On 2020-05-25 09:18:19 [+0200], Ingo Molnar wrote:
> > +static DEFINE_PER_CPU(struct local_evt, local_evt) = {
> > + .counts = 0,
>
> I don't think zero initializations need to be written out explicitly.
yes.
> > + .lock = INIT_LOCAL_LOCK(lock),
> > +};
> >
> > static inline void send_msg(
* Sebastian Andrzej Siewior wrote:
> From: Mike Galbraith
>
> send_msg() disables preemption to avoid out-of-order messages. As the
> code inside the preempt disabled section acquires regular spinlocks,
> which are converted to 'sleeping' spinlocks on a PREEMPT_RT kernel and
> eventually call
From: Mike Galbraith
send_msg() disables preemption to avoid out-of-order messages. As the
code inside the preempt disabled section acquires regular spinlocks,
which are converted to 'sleeping' spinlocks on a PREEMPT_RT kernel and
eventually calls into a memory allocator, this conflicts with the
