diff options
| author | Marc Zyngier <[email protected]> | 2017-08-18 09:39:17 +0100 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2017-08-18 10:54:40 +0200 |
| commit | 956ae91ae8761f2cd8cd7b8d6cb90fd4d0b8a596 (patch) | |
| tree | 6e8d6513b79075181e2cf8b559ad69d853064ba8 | |
| parent | 0c9e498286ef9762e0ae62fc8a02b4739796970f (diff) | |
irqchip/gic-v3: Report that effective affinity is a single target
The GICv3 driver only targets a single CPU at a time, even if
the notional affinity is wider. Let's inform the core code
about this.
Signed-off-by: Marc Zyngier <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Cc: Andrew Lunn <[email protected]>
Cc: James Hogan <[email protected]>
Cc: Jason Cooper <[email protected]>
Cc: Paul Burton <[email protected]>
Cc: Chris Zankel <[email protected]>
Cc: Kevin Cernekee <[email protected]>
Cc: Wei Xu <[email protected]>
Cc: Max Filippov <[email protected]>
Cc: Florian Fainelli <[email protected]>
Cc: Gregory Clement <[email protected]>
Cc: Matt Redfearn <[email protected]>
Cc: Sebastian Hesselbarth <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
| -rw-r--r-- | drivers/irqchip/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/irqchip/irq-gic-v3.c | 3 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 586929d072ca..ce99c1ee6c7d 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -35,6 +35,7 @@ config ARM_GIC_V3 select MULTI_IRQ_HANDLER select IRQ_DOMAIN_HIERARCHY select PARTITION_PERCPU + select GENERIC_IRQ_EFFECTIVE_AFF_MASK config ARM_GIC_V3_ITS bool diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index dbffb7ab6203..511c290c4a26 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -670,6 +670,8 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, else gic_dist_wait_for_rwp(); + irq_data_update_effective_affinity(d, cpumask_of(cpu)); + return IRQ_SET_MASK_OK_DONE; } #else @@ -768,6 +770,7 @@ static int gic_irq_domain_map(struct irq_domain *d, unsigned int irq, irq_domain_set_info(d, irq, hw, chip, d->host_data, handle_fasteoi_irq, NULL, NULL); irq_set_probe(irq); + irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(irq))); } /* LPIs */ if (hw >= 8192 && hw < GIC_ID_NR) { |