irq_do_set_affinity() last argument differentiates whether notify work
need to queued for this irq or not. So that we can avoid double queuing of
notify
in the irq_set_affinity_locked() path.
On Fri, 17 Mar 2017, Sodagudi Prasad wrote:
> On 2017-03-13 13:19, Thomas Gleixner wrote:
> > Can you actually see the difference between these functions? There is a
> > damned good reason WHY this calls irq_do_set_affinity().
>
> Other option is that, adding an argument to irq_do_set_affinity() a
On 2017-03-13 13:19, Thomas Gleixner wrote:
On Mon, 13 Mar 2017, Sodagudi Prasad wrote:
On 2017-02-27 09:21, Thomas Gleixner wrote:
> On Mon, 27 Feb 2017, Sodagudi Prasad wrote:
> > So I am thinking that, adding following sched_work() would notify clients.
>
> And break the world and some more.
On Mon, 13 Mar 2017, Sodagudi Prasad wrote:
> On 2017-02-27 09:21, Thomas Gleixner wrote:
> > On Mon, 27 Feb 2017, Sodagudi Prasad wrote:
> > > So I am thinking that, adding following sched_work() would notify clients.
> >
> > And break the world and some more.
> >
> > > diff --git a/kernel/irq/m
On 2017-02-27 09:21, Thomas Gleixner wrote:
On Mon, 27 Feb 2017, Sodagudi Prasad wrote:
So I am thinking that, adding following sched_work() would notify
clients.
And break the world and some more.
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 6b66959..5e4766b 100644
--- a/ker
On Mon, 27 Feb 2017, Sodagudi Prasad wrote:
> So I am thinking that, adding following sched_work() would notify clients.
And break the world and some more.
> diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
> index 6b66959..5e4766b 100644
> --- a/kernel/irq/manage.c
> +++ b/kernel/irq/manag
On 2017-02-21 12:59, Sodagudi Prasad wrote:
Hi Thomas,
Currently irq_set_affinity() is called to migrate irqs from
migrate_one_irq()
during cpu hot plug and clients which are interested to know the irq
affinity change
not getting notified
take_cpu_down () --> __cpu_disable() -->
irq_migrate_
Hi Thomas,
Currently irq_set_affinity() is called to migrate irqs from
migrate_one_irq()
during cpu hot plug and clients which are interested to know the irq
affinity change
not getting notified
take_cpu_down () --> __cpu_disable() --> irq_migrate_all_off_this_cpu();
irq_set_affinity() is ch
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