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| author | Thomas Gleixner <tglx@linutronix.de> | 2017-06-20 01:37:45 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-06-22 18:21:23 +0200 |
| commit | ef1c2cc88531a967fa97d1ac1f3f8a64ee6910b4 (patch) | |
| tree | 6e19a5e6ed424d9a36f539e99ec5596d58279c62 /drivers/xen/events | |
| parent | 0e24f7c9f67e218546ad44160d2a12d9d8be0171 (diff) | |
| download | linux-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/events')
| -rw-r--r-- | drivers/xen/events/events_base.c | 6 |
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) |