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Commit | Line | Data |
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bd3239d2 MF |
1 | int test_bit(int nr, const void *addr) |
2 | { | |
3 | int *a = (int *)addr; | |
4 | int mask; | |
5 | a += nr >> 5; | |
6 | mask = 1 << (nr & 0x1f); | |
7 | return ((mask & *a) != 0); | |
8 | } | |
9 | typedef struct cpumask { | |
10 | unsigned long bits[1]; | |
11 | } cpumask_t; | |
12 | struct trace_array_cpu { | |
13 | int disabled; | |
14 | }; | |
15 | struct trace_array { | |
16 | struct trace_array_cpu *data[1]; | |
17 | }; | |
18 | cpumask_t tracing_buffer_mask; | |
19 | struct trace_array global_trace; | |
20 | cpumask_t tracing_cpumask; | |
21 | cpumask_t tracing_cpumask_new; | |
22 | tracing_cpumask_write() | |
23 | { | |
24 | int cpu; | |
25 | for (cpu = 0; cpu < 1; cpu++) { | |
26 | if (test_bit(cpu, tracing_cpumask.bits)) | |
27 | atomic_inc(&global_trace.data[cpu]->disabled); | |
28 | if (!test_bit(cpu, tracing_cpumask.bits)) | |
29 | atomic_dec(&global_trace.data[cpu]->disabled); | |
30 | } | |
31 | } |