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WIP: use local_irq_{save,restore}()

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This commit is contained in:
Harald Welte
2017-11-04 12:28:30 +01:00
parent 7b36306113
commit 119624f46f
2 changed files with 27 additions and 16 deletions
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16
firmware/libcommon/include/llist_irqsafe.h
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@@ -1,19 +1,24 @@
#pragma once
#include "osmocom/core/linuxlist.h"
#include "utils.h"
static inline void llist_add_irqsafe(struct llist_head *_new,
struct llist_head *head)
{
__disable_irq();
unsigned long x;
local_irq_save(x);
llist_add(_new, head);
__enable_irq();
local_irq_retsore(x);
}
static inline void llist_add_tail_irqsafe(struct llist_head *_new,
struct llist_head *head)
{
__disable_irq();
unsigned long x;
local_irq_save(x);
llist_add_tail(_new, head);
__enable_irq();
}
@@ -21,15 +26,16 @@ static inline void llist_add_tail_irqsafe(struct llist_head *_new,
static inline struct llist_head *llist_head_dequeue_irqsafe(struct llist_head *head)
{
struct llist_head *lh;
unsigned long x;
__disable_irq();
local_irq_save(x);
if (llist_empty(head)) {
lh = NULL;
} else {
lh = head->next;
llist_del(lh);
}
__enable_irq();
local_irq_restore(x);
return lh;
}