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genirq: Rename setup_affinity() to irq_setup_affinity()

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Rename it with a proper irq_ prefix and make it available for other files
in the core code. Preparatory patch for moving the irq affinity setup
around.

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/20170619235444.928501004@linutronix.de
This commit is contained in:
Thomas Gleixner 2017-06-20 01:37:22 +02:00
parent cba4235e60
commit 43564bd97d
2 changed files with 7 additions and 6 deletions
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6
kernel/irq/internals.h
View File

@ -116,6 +116,12 @@ extern void irq_set_thread_affinity(struct irq_desc *desc);
extern int irq_do_set_affinity(struct irq_data *data, extern int irq_do_set_affinity(struct irq_data *data,
const struct cpumask *dest, bool force); const struct cpumask *dest, bool force);
#ifdef CONFIG_SMP
extern int irq_setup_affinity(struct irq_desc *desc);
#else
static inline int irq_setup_affinity(struct irq_desc *desc) { return 0; }
#endif
/* Inline functions for support of irq chips on slow busses */ /* Inline functions for support of irq chips on slow busses */
static inline void chip_bus_lock(struct irq_desc *desc) static inline void chip_bus_lock(struct irq_desc *desc)
{ {

7
kernel/irq/manage.c
View File

@ -345,7 +345,7 @@ EXPORT_SYMBOL_GPL(irq_set_affinity_notifier);
/* /*
* Generic version of the affinity autoselector. * Generic version of the affinity autoselector.
*/ */
static int irq_setup_affinity(struct irq_desc *desc) int irq_setup_affinity(struct irq_desc *desc)
{ {
struct cpumask *set = irq_default_affinity; struct cpumask *set = irq_default_affinity;
int ret, node = irq_desc_get_node(desc); int ret, node = irq_desc_get_node(desc);
@ -404,11 +404,6 @@ int irq_select_affinity_usr(unsigned int irq)
raw_spin_unlock_irqrestore(&desc->lock, flags); raw_spin_unlock_irqrestore(&desc->lock, flags);
return ret; return ret;
} }
#else
static inline int setup_affinity(struct irq_desc *desc)
{
return 0;
}
#endif #endif
/** /**