This source file includes following definitions.
- do_bottom_half
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11 #define INCLUDE_INLINE_FUNCS
12 #include <linux/tqueue.h>
13
14 #include <linux/ptrace.h>
15 #include <linux/errno.h>
16 #include <linux/kernel_stat.h>
17 #include <linux/signal.h>
18 #include <linux/sched.h>
19 #include <linux/interrupt.h>
20 #include <linux/mm.h>
21
22 #include <asm/system.h>
23 #include <asm/io.h>
24 #include <asm/irq.h>
25 #include <asm/bitops.h>
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28 unsigned long intr_count = 0;
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30 int bh_mask_count[32];
31 unsigned long bh_active = 0;
32 unsigned long bh_mask = 0;
33 void (*bh_base[32])(void);
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36 asmlinkage void do_bottom_half(void)
37 {
38 unsigned long active;
39 unsigned long mask, left;
40 void (**bh)(void);
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42 sti();
43 bh = bh_base;
44 active = bh_active & bh_mask;
45 for (mask = 1, left = ~0 ; left & active ; bh++,mask += mask,left += left) {
46 if (mask & active) {
47 void (*fn)(void);
48 bh_active &= ~mask;
49 fn = *bh;
50 if (!fn)
51 goto bad_bh;
52 fn();
53 }
54 }
55 return;
56 bad_bh:
57 printk ("irq.c:bad bottom half entry %08lx\n", mask);
58 }