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irq_work: Use llist in the struct irq_work logic

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Use llist in irq_work instead of the lock-less linked list
implementation in irq_work to avoid the code duplication.

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1315461646-1379-6-git-send-email-ying.huang@intel.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Huang Ying
2011-09-08 14:00:46 +08:00
committed by Ingo Molnar
parent 781f7fd916
commit 38aaf8090d
2 changed files with 42 additions and 64 deletions
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15
include/linux/irq_work.h
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@@ -1,20 +1,23 @@
#ifndef _LINUX_IRQ_WORK_H
#define _LINUX_IRQ_WORK_H
#include <linux/llist.h>
struct irq_work {
struct irq_work *next;
unsigned long flags;
struct llist_node llnode;
void (*func)(struct irq_work *);
};
static inline
void init_irq_work(struct irq_work *entry, void (*func)(struct irq_work *))
void init_irq_work(struct irq_work *work, void (*func)(struct irq_work *))
{
entry->next = NULL;
entry->func = func;
work->flags = 0;
work->func = func;
}
bool irq_work_queue(struct irq_work *entry);
bool irq_work_queue(struct irq_work *work);
void irq_work_run(void);
void irq_work_sync(struct irq_work *entry);
void irq_work_sync(struct irq_work *work);
#endif /* _LINUX_IRQ_WORK_H */