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xen/events: Add support for effective affinity mask

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Update the effective affinity mask when an interrupt was successfully
targeted to a CPU.

Signed-off-by: Thomas Gleixner <[email protected]>
Cc: Jens Axboe <[email protected]>
Cc: Marc Zyngier <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Keith Busch <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
This commit is contained in:
Thomas Gleixner 2017-06-20 01:37:45 +02:00
commit ef1c2cc885
1 changed files with 5 additions and 1 deletions
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6
drivers/xen/events/events_base.c
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@ -1343,8 +1343,12 @@ static int set_affinity_irq(struct irq_data *data, const struct cpumask *dest,
bool force)
{
unsigned tcpu = cpumask_first_and(dest, cpu_online_mask);
int ret = rebind_irq_to_cpu(data->irq, tcpu);
return rebind_irq_to_cpu(data->irq, tcpu);
if (!ret)
irq_data_update_effective_affinity(data, cpumask_of(tcpu));
return ret;
}
static void enable_dynirq(struct irq_data *data)