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authorThomas Gleixner <tglx@linutronix.de>2017-06-20 01:37:45 +0200
committerThomas Gleixner <tglx@linutronix.de>2017-06-22 18:21:23 +0200
commitef1c2cc88531a967fa97d1ac1f3f8a64ee6910b4 (patch)
tree6e19a5e6ed424d9a36f539e99ec5596d58279c62 /drivers/xen
parent0e24f7c9f67e218546ad44160d2a12d9d8be0171 (diff)
downloadlinux-ef1c2cc88531a967fa97d1ac1f3f8a64ee6910b4.tar.bz2
xen/events: Add support for effective affinity mask
Update the effective affinity mask when an interrupt was successfully targeted to a CPU. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Jens Axboe <axboe@kernel.dk> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Keith Busch <keith.busch@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Christoph Hellwig <hch@lst.de> Link: http://lkml.kernel.org/r/20170619235446.799944725@linutronix.de
Diffstat (limited to 'drivers/xen')
-rw-r--r--drivers/xen/events/events_base.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index b52852f38cff..2e567d8433b3 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -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)