Re: Non disruptive dumps -- current work.

["Matt D. Robinson" <yakker@xxxxxxxxxxx>]

On Tue, 18 Sep 2001, Bharata B Rao wrote:
|>On Mon, Sep 17, 2001 at 04:44:56PM -0700, Matt D. Robinson wrote:
|>Will this fuction be called for each cpu ? If so won't you be going through
|>the loop of NR_IRQS for all cpus ? Can't the affinities of all irqs be changed
|>to that of dumping cpu at one go ? Something like this,
|>
|>{
|>      .
|>      .
|>      int cpu = smp_processor_id();
|>        for (i = 0; i < NR_IRQS; i++) {
|>                if (irq_desc[i].handler == NULL)
|>                        continue;
|>                irq_affinity[i] = 1UL << cpu;
|>                if (irq_desc[i].handler->set_affinity != NULL)
|>                        irq_desc[i].handler->set_affinity(i, irq_affinity[i]);
|>        }
|>}

This is fine ... it makes it a single call rather than
an smp_call_function() mechanism.

|>Regards,
|>Bharata.

Thanks for the heads-up, as always.

--Matt