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[v6,1/7] genirq: export irq_get_percpu_devid_partition to modules

Message ID 1507811438-2267-2-git-send-email-will.deacon@arm.com
State Accepted
Commit 5ffeb0501c6b36d080de78372fdb70b404b91e9d
Headers show
Series Add support for the ARMv8.2 Statistical Profiling Extension | expand

Commit Message

Will Deacon Oct. 12, 2017, 12:30 p.m. UTC 
Any modular driver using cluster-affine PPIs needs to be able to call
irq_get_percpu_devid_partition so that it can enable the IRQ on the
correct subset of CPUs.

This patch exports the symbol so that it can be called from within a
module.

Acked-by: Marc Zyngier <marc.zyngier@arm.com>

Acked-by: Thomas Gleixner <tglx@linutronix.de>

Signed-off-by: Will Deacon <will.deacon@arm.com>

---
 kernel/irq/irqdesc.c | 1 +
 1 file changed, 1 insertion(+)

-- 
2.1.4
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Patch

diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 82afb7ed369f..694c1a9d6485 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -863,6 +863,7 @@  int irq_get_percpu_devid_partition(unsigned int irq, struct cpumask *affinity)
 
 	return 0;
 }
+EXPORT_SYMBOL_GPL(irq_get_percpu_devid_partition);
 
 void kstat_incr_irq_this_cpu(unsigned int irq)
 {