提交 c777ac55 编写于 作者: A Andrew Morton 提交者: Linus Torvalds

[PATCH] irq: uninline migration functions

Uninline some massive IRQ migration functions.  Put them in the new
kernel/irq/migration.c.

Cc: Andi Kleen <ak@muc.de>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
上级 4cae59d2
......@@ -114,53 +114,8 @@ static inline void set_native_irq_info(int irq, cpumask_t mask)
#if defined (CONFIG_GENERIC_PENDING_IRQ) || defined (CONFIG_IRQBALANCE)
extern cpumask_t pending_irq_cpumask[NR_IRQS];
static inline void set_pending_irq(unsigned int irq, cpumask_t mask)
{
irq_desc_t *desc = irq_desc + irq;
unsigned long flags;
spin_lock_irqsave(&desc->lock, flags);
desc->move_irq = 1;
pending_irq_cpumask[irq] = mask;
spin_unlock_irqrestore(&desc->lock, flags);
}
static inline void
move_native_irq(int irq)
{
cpumask_t tmp;
irq_desc_t *desc = irq_descp(irq);
if (likely (!desc->move_irq))
return;
desc->move_irq = 0;
if (likely(cpus_empty(pending_irq_cpumask[irq])))
return;
if (!desc->handler->set_affinity)
return;
/* note - we hold the desc->lock */
cpus_and(tmp, pending_irq_cpumask[irq], cpu_online_map);
/*
* If there was a valid mask to work with, please
* do the disable, re-program, enable sequence.
* This is *not* particularly important for level triggered
* but in a edge trigger case, we might be setting rte
* when an active trigger is comming in. This could
* cause some ioapics to mal-function.
* Being paranoid i guess!
*/
if (unlikely(!cpus_empty(tmp))) {
desc->handler->disable(irq);
desc->handler->set_affinity(irq,tmp);
desc->handler->enable(irq);
}
cpus_clear(pending_irq_cpumask[irq]);
}
void set_pending_irq(unsigned int irq, cpumask_t mask);
void move_native_irq(int irq);
#ifdef CONFIG_PCI_MSI
/*
......
obj-y := handle.o manage.o spurious.o
obj-y := handle.o manage.o spurious.o migration.o
obj-$(CONFIG_GENERIC_IRQ_PROBE) += autoprobe.o
obj-$(CONFIG_PROC_FS) += proc.o
#include <linux/irq.h>
#if defined(CONFIG_GENERIC_PENDING_IRQ)
void set_pending_irq(unsigned int irq, cpumask_t mask)
{
irq_desc_t *desc = irq_desc + irq;
unsigned long flags;
spin_lock_irqsave(&desc->lock, flags);
desc->move_irq = 1;
pending_irq_cpumask[irq] = mask;
spin_unlock_irqrestore(&desc->lock, flags);
}
void move_native_irq(int irq)
{
cpumask_t tmp;
irq_desc_t *desc = irq_descp(irq);
if (likely (!desc->move_irq))
return;
desc->move_irq = 0;
if (likely(cpus_empty(pending_irq_cpumask[irq])))
return;
if (!desc->handler->set_affinity)
return;
/* note - we hold the desc->lock */
cpus_and(tmp, pending_irq_cpumask[irq], cpu_online_map);
/*
* If there was a valid mask to work with, please
* do the disable, re-program, enable sequence.
* This is *not* particularly important for level triggered
* but in a edge trigger case, we might be setting rte
* when an active trigger is comming in. This could
* cause some ioapics to mal-function.
* Being paranoid i guess!
*/
if (unlikely(!cpus_empty(tmp))) {
desc->handler->disable(irq);
desc->handler->set_affinity(irq,tmp);
desc->handler->enable(irq);
}
cpus_clear(pending_irq_cpumask[irq]);
}
#endif
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册