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