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authorThomas Gleixner <tglx@linutronix.de>2009-12-02 14:01:25 -0500
committerThomas Gleixner <tglx@linutronix.de>2009-12-14 17:55:32 -0500
commit0199c4e68d1f02894bdefe4b5d9e9ee4aedd8d62 (patch)
treee371d17bd73d64332349debbf45962ec67e7269d /kernel/trace
parentedc35bd72e2079b25f99c5da7d7a65dbbffc4a26 (diff)
locking: Convert __raw_spin* functions to arch_spin*
Name space cleanup. No functional change. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra <peterz@infradead.org> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Ingo Molnar <mingo@elte.hu> Cc: linux-arch@vger.kernel.org
Diffstat (limited to 'kernel/trace')
-rw-r--r--kernel/trace/ring_buffer.c12
-rw-r--r--kernel/trace/trace.c32
-rw-r--r--kernel/trace/trace_clock.c4
-rw-r--r--kernel/trace/trace_sched_wakeup.c12
-rw-r--r--kernel/trace/trace_selftest.c4
-rw-r--r--kernel/trace/trace_stack.c12
6 files changed, 38 insertions, 38 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index fb7a0fa508b9..f58c9ad15830 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -2834,7 +2834,7 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
2834 int ret; 2834 int ret;
2835 2835
2836 local_irq_save(flags); 2836 local_irq_save(flags);
2837 __raw_spin_lock(&cpu_buffer->lock); 2837 arch_spin_lock(&cpu_buffer->lock);
2838 2838
2839 again: 2839 again:
2840 /* 2840 /*
@@ -2923,7 +2923,7 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer)
2923 goto again; 2923 goto again;
2924 2924
2925 out: 2925 out:
2926 __raw_spin_unlock(&cpu_buffer->lock); 2926 arch_spin_unlock(&cpu_buffer->lock);
2927 local_irq_restore(flags); 2927 local_irq_restore(flags);
2928 2928
2929 return reader; 2929 return reader;
@@ -3286,9 +3286,9 @@ ring_buffer_read_start(struct ring_buffer *buffer, int cpu)
3286 synchronize_sched(); 3286 synchronize_sched();
3287 3287
3288 spin_lock_irqsave(&cpu_buffer->reader_lock, flags); 3288 spin_lock_irqsave(&cpu_buffer->reader_lock, flags);
3289 __raw_spin_lock(&cpu_buffer->lock); 3289 arch_spin_lock(&cpu_buffer->lock);
3290 rb_iter_reset(iter); 3290 rb_iter_reset(iter);
3291 __raw_spin_unlock(&cpu_buffer->lock); 3291 arch_spin_unlock(&cpu_buffer->lock);
3292 spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags); 3292 spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags);
3293 3293
3294 return iter; 3294 return iter;
@@ -3408,11 +3408,11 @@ void ring_buffer_reset_cpu(struct ring_buffer *buffer, int cpu)
3408 if (RB_WARN_ON(cpu_buffer, local_read(&cpu_buffer->committing))) 3408 if (RB_WARN_ON(cpu_buffer, local_read(&cpu_buffer->committing)))
3409 goto out; 3409 goto out;
3410 3410
3411 __raw_spin_lock(&cpu_buffer->lock); 3411 arch_spin_lock(&cpu_buffer->lock);
3412 3412
3413 rb_reset_cpu(cpu_buffer); 3413 rb_reset_cpu(cpu_buffer);
3414 3414
3415 __raw_spin_unlock(&cpu_buffer->lock); 3415 arch_spin_unlock(&cpu_buffer->lock);
3416 3416
3417 out: 3417 out:
3418 spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags); 3418 spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags);
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 63bc1cc38219..bb6b5e7fa2a2 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -555,13 +555,13 @@ update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
555 return; 555 return;
556 556
557 WARN_ON_ONCE(!irqs_disabled()); 557 WARN_ON_ONCE(!irqs_disabled());
558 __raw_spin_lock(&ftrace_max_lock); 558 arch_spin_lock(&ftrace_max_lock);
559 559
560 tr->buffer = max_tr.buffer; 560 tr->buffer = max_tr.buffer;
561 max_tr.buffer = buf; 561 max_tr.buffer = buf;
562 562
563 __update_max_tr(tr, tsk, cpu); 563 __update_max_tr(tr, tsk, cpu);
564 __raw_spin_unlock(&ftrace_max_lock); 564 arch_spin_unlock(&ftrace_max_lock);
565} 565}
566 566
567/** 567/**
@@ -581,7 +581,7 @@ update_max_tr_single(struct trace_array *tr, struct task_struct *tsk, int cpu)
581 return; 581 return;
582 582
583 WARN_ON_ONCE(!irqs_disabled()); 583 WARN_ON_ONCE(!irqs_disabled());
584 __raw_spin_lock(&ftrace_max_lock); 584 arch_spin_lock(&ftrace_max_lock);
585 585
586 ftrace_disable_cpu(); 586 ftrace_disable_cpu();
587 587
@@ -603,7 +603,7 @@ update_max_tr_single(struct trace_array *tr, struct task_struct *tsk, int cpu)
603 WARN_ON_ONCE(ret && ret != -EAGAIN && ret != -EBUSY); 603 WARN_ON_ONCE(ret && ret != -EAGAIN && ret != -EBUSY);
604 604
605 __update_max_tr(tr, tsk, cpu); 605 __update_max_tr(tr, tsk, cpu);
606 __raw_spin_unlock(&ftrace_max_lock); 606 arch_spin_unlock(&ftrace_max_lock);
607} 607}
608#endif /* CONFIG_TRACER_MAX_TRACE */ 608#endif /* CONFIG_TRACER_MAX_TRACE */
609 609
@@ -915,7 +915,7 @@ static void trace_save_cmdline(struct task_struct *tsk)
915 * nor do we want to disable interrupts, 915 * nor do we want to disable interrupts,
916 * so if we miss here, then better luck next time. 916 * so if we miss here, then better luck next time.
917 */ 917 */
918 if (!__raw_spin_trylock(&trace_cmdline_lock)) 918 if (!arch_spin_trylock(&trace_cmdline_lock))
919 return; 919 return;
920 920
921 idx = map_pid_to_cmdline[tsk->pid]; 921 idx = map_pid_to_cmdline[tsk->pid];
@@ -940,7 +940,7 @@ static void trace_save_cmdline(struct task_struct *tsk)
940 940
941 memcpy(&saved_cmdlines[idx], tsk->comm, TASK_COMM_LEN); 941 memcpy(&saved_cmdlines[idx], tsk->comm, TASK_COMM_LEN);
942 942
943 __raw_spin_unlock(&trace_cmdline_lock); 943 arch_spin_unlock(&trace_cmdline_lock);
944} 944}
945 945
946void trace_find_cmdline(int pid, char comm[]) 946void trace_find_cmdline(int pid, char comm[])
@@ -958,14 +958,14 @@ void trace_find_cmdline(int pid, char comm[])
958 } 958 }
959 959
960 preempt_disable(); 960 preempt_disable();
961 __raw_spin_lock(&trace_cmdline_lock); 961 arch_spin_lock(&trace_cmdline_lock);
962 map = map_pid_to_cmdline[pid]; 962 map = map_pid_to_cmdline[pid];
963 if (map != NO_CMDLINE_MAP) 963 if (map != NO_CMDLINE_MAP)
964 strcpy(comm, saved_cmdlines[map]); 964 strcpy(comm, saved_cmdlines[map]);
965 else 965 else
966 strcpy(comm, "<...>"); 966 strcpy(comm, "<...>");
967 967
968 __raw_spin_unlock(&trace_cmdline_lock); 968 arch_spin_unlock(&trace_cmdline_lock);
969 preempt_enable(); 969 preempt_enable();
970} 970}
971 971
@@ -1283,7 +1283,7 @@ int trace_vbprintk(unsigned long ip, const char *fmt, va_list args)
1283 1283
1284 /* Lockdep uses trace_printk for lock tracing */ 1284 /* Lockdep uses trace_printk for lock tracing */
1285 local_irq_save(flags); 1285 local_irq_save(flags);
1286 __raw_spin_lock(&trace_buf_lock); 1286 arch_spin_lock(&trace_buf_lock);
1287 len = vbin_printf(trace_buf, TRACE_BUF_SIZE, fmt, args); 1287 len = vbin_printf(trace_buf, TRACE_BUF_SIZE, fmt, args);
1288 1288
1289 if (len > TRACE_BUF_SIZE || len < 0) 1289 if (len > TRACE_BUF_SIZE || len < 0)
@@ -1304,7 +1304,7 @@ int trace_vbprintk(unsigned long ip, const char *fmt, va_list args)
1304 ring_buffer_unlock_commit(buffer, event); 1304 ring_buffer_unlock_commit(buffer, event);
1305 1305
1306out_unlock: 1306out_unlock:
1307 __raw_spin_unlock(&trace_buf_lock); 1307 arch_spin_unlock(&trace_buf_lock);
1308 local_irq_restore(flags); 1308 local_irq_restore(flags);
1309 1309
1310out: 1310out:
@@ -1360,7 +1360,7 @@ int trace_array_vprintk(struct trace_array *tr,
1360 1360
1361 pause_graph_tracing(); 1361 pause_graph_tracing();
1362 raw_local_irq_save(irq_flags); 1362 raw_local_irq_save(irq_flags);
1363 __raw_spin_lock(&trace_buf_lock); 1363 arch_spin_lock(&trace_buf_lock);
1364 len = vsnprintf(trace_buf, TRACE_BUF_SIZE, fmt, args); 1364 len = vsnprintf(trace_buf, TRACE_BUF_SIZE, fmt, args);
1365 1365
1366 size = sizeof(*entry) + len + 1; 1366 size = sizeof(*entry) + len + 1;
@@ -1378,7 +1378,7 @@ int trace_array_vprintk(struct trace_array *tr,
1378 ring_buffer_unlock_commit(buffer, event); 1378 ring_buffer_unlock_commit(buffer, event);
1379 1379
1380 out_unlock: 1380 out_unlock:
1381 __raw_spin_unlock(&trace_buf_lock); 1381 arch_spin_unlock(&trace_buf_lock);
1382 raw_local_irq_restore(irq_flags); 1382 raw_local_irq_restore(irq_flags);
1383 unpause_graph_tracing(); 1383 unpause_graph_tracing();
1384 out: 1384 out:
@@ -2279,7 +2279,7 @@ tracing_cpumask_write(struct file *filp, const char __user *ubuf,
2279 mutex_lock(&tracing_cpumask_update_lock); 2279 mutex_lock(&tracing_cpumask_update_lock);
2280 2280
2281 local_irq_disable(); 2281 local_irq_disable();
2282 __raw_spin_lock(&ftrace_max_lock); 2282 arch_spin_lock(&ftrace_max_lock);
2283 for_each_tracing_cpu(cpu) { 2283 for_each_tracing_cpu(cpu) {
2284 /* 2284 /*
2285 * Increase/decrease the disabled counter if we are 2285 * Increase/decrease the disabled counter if we are
@@ -2294,7 +2294,7 @@ tracing_cpumask_write(struct file *filp, const char __user *ubuf,
2294 atomic_dec(&global_trace.data[cpu]->disabled); 2294 atomic_dec(&global_trace.data[cpu]->disabled);
2295 } 2295 }
2296 } 2296 }
2297 __raw_spin_unlock(&ftrace_max_lock); 2297 arch_spin_unlock(&ftrace_max_lock);
2298 local_irq_enable(); 2298 local_irq_enable();
2299 2299
2300 cpumask_copy(tracing_cpumask, tracing_cpumask_new); 2300 cpumask_copy(tracing_cpumask, tracing_cpumask_new);
@@ -4318,7 +4318,7 @@ static void __ftrace_dump(bool disable_tracing)
4318 4318
4319 /* only one dump */ 4319 /* only one dump */
4320 local_irq_save(flags); 4320 local_irq_save(flags);
4321 __raw_spin_lock(&ftrace_dump_lock); 4321 arch_spin_lock(&ftrace_dump_lock);
4322 if (dump_ran) 4322 if (dump_ran)
4323 goto out; 4323 goto out;
4324 4324
@@ -4393,7 +4393,7 @@ static void __ftrace_dump(bool disable_tracing)
4393 } 4393 }
4394 4394
4395 out: 4395 out:
4396 __raw_spin_unlock(&ftrace_dump_lock); 4396 arch_spin_unlock(&ftrace_dump_lock);
4397 local_irq_restore(flags); 4397 local_irq_restore(flags);
4398} 4398}
4399 4399
diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c
index 433e2eda2d01..84a3a7ba072a 100644
--- a/kernel/trace/trace_clock.c
+++ b/kernel/trace/trace_clock.c
@@ -94,7 +94,7 @@ u64 notrace trace_clock_global(void)
94 if (unlikely(in_nmi())) 94 if (unlikely(in_nmi()))
95 goto out; 95 goto out;
96 96
97 __raw_spin_lock(&trace_clock_struct.lock); 97 arch_spin_lock(&trace_clock_struct.lock);
98 98
99 /* 99 /*
100 * TODO: if this happens often then maybe we should reset 100 * TODO: if this happens often then maybe we should reset
@@ -106,7 +106,7 @@ u64 notrace trace_clock_global(void)
106 106
107 trace_clock_struct.prev_time = now; 107 trace_clock_struct.prev_time = now;
108 108
109 __raw_spin_unlock(&trace_clock_struct.lock); 109 arch_spin_unlock(&trace_clock_struct.lock);
110 110
111 out: 111 out:
112 raw_local_irq_restore(flags); 112 raw_local_irq_restore(flags);
diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index e347853564e9..0271742abb8d 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -143,7 +143,7 @@ probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev,
143 goto out; 143 goto out;
144 144
145 local_irq_save(flags); 145 local_irq_save(flags);
146 __raw_spin_lock(&wakeup_lock); 146 arch_spin_lock(&wakeup_lock);
147 147
148 /* We could race with grabbing wakeup_lock */ 148 /* We could race with grabbing wakeup_lock */
149 if (unlikely(!tracer_enabled || next != wakeup_task)) 149 if (unlikely(!tracer_enabled || next != wakeup_task))
@@ -169,7 +169,7 @@ probe_wakeup_sched_switch(struct rq *rq, struct task_struct *prev,
169 169
170out_unlock: 170out_unlock:
171 __wakeup_reset(wakeup_trace); 171 __wakeup_reset(wakeup_trace);
172 __raw_spin_unlock(&wakeup_lock); 172 arch_spin_unlock(&wakeup_lock);
173 local_irq_restore(flags); 173 local_irq_restore(flags);
174out: 174out:
175 atomic_dec(&wakeup_trace->data[cpu]->disabled); 175 atomic_dec(&wakeup_trace->data[cpu]->disabled);
@@ -193,9 +193,9 @@ static void wakeup_reset(struct trace_array *tr)
193 tracing_reset_online_cpus(tr); 193 tracing_reset_online_cpus(tr);
194 194
195 local_irq_save(flags); 195 local_irq_save(flags);
196 __raw_spin_lock(&wakeup_lock); 196 arch_spin_lock(&wakeup_lock);
197 __wakeup_reset(tr); 197 __wakeup_reset(tr);
198 __raw_spin_unlock(&wakeup_lock); 198 arch_spin_unlock(&wakeup_lock);
199 local_irq_restore(flags); 199 local_irq_restore(flags);
200} 200}
201 201
@@ -225,7 +225,7 @@ probe_wakeup(struct rq *rq, struct task_struct *p, int success)
225 goto out; 225 goto out;
226 226
227 /* interrupts should be off from try_to_wake_up */ 227 /* interrupts should be off from try_to_wake_up */
228 __raw_spin_lock(&wakeup_lock); 228 arch_spin_lock(&wakeup_lock);
229 229
230 /* check for races. */ 230 /* check for races. */
231 if (!tracer_enabled || p->prio >= wakeup_prio) 231 if (!tracer_enabled || p->prio >= wakeup_prio)
@@ -255,7 +255,7 @@ probe_wakeup(struct rq *rq, struct task_struct *p, int success)
255 trace_function(wakeup_trace, CALLER_ADDR1, CALLER_ADDR2, flags, pc); 255 trace_function(wakeup_trace, CALLER_ADDR1, CALLER_ADDR2, flags, pc);
256 256
257out_locked: 257out_locked:
258 __raw_spin_unlock(&wakeup_lock); 258 arch_spin_unlock(&wakeup_lock);
259out: 259out:
260 atomic_dec(&wakeup_trace->data[cpu]->disabled); 260 atomic_dec(&wakeup_trace->data[cpu]->disabled);
261} 261}
diff --git a/kernel/trace/trace_selftest.c b/kernel/trace/trace_selftest.c
index dc98309e839a..280fea470d67 100644
--- a/kernel/trace/trace_selftest.c
+++ b/kernel/trace/trace_selftest.c
@@ -67,7 +67,7 @@ static int trace_test_buffer(struct trace_array *tr, unsigned long *count)
67 67
68 /* Don't allow flipping of max traces now */ 68 /* Don't allow flipping of max traces now */
69 local_irq_save(flags); 69 local_irq_save(flags);
70 __raw_spin_lock(&ftrace_max_lock); 70 arch_spin_lock(&ftrace_max_lock);
71 71
72 cnt = ring_buffer_entries(tr->buffer); 72 cnt = ring_buffer_entries(tr->buffer);
73 73
@@ -85,7 +85,7 @@ static int trace_test_buffer(struct trace_array *tr, unsigned long *count)
85 break; 85 break;
86 } 86 }
87 tracing_on(); 87 tracing_on();
88 __raw_spin_unlock(&ftrace_max_lock); 88 arch_spin_unlock(&ftrace_max_lock);
89 local_irq_restore(flags); 89 local_irq_restore(flags);
90 90
91 if (count) 91 if (count)
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index 728c35221483..678a5120ee30 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -54,7 +54,7 @@ static inline void check_stack(void)
54 return; 54 return;
55 55
56 local_irq_save(flags); 56 local_irq_save(flags);
57 __raw_spin_lock(&max_stack_lock); 57 arch_spin_lock(&max_stack_lock);
58 58
59 /* a race could have already updated it */ 59 /* a race could have already updated it */
60 if (this_size <= max_stack_size) 60 if (this_size <= max_stack_size)
@@ -103,7 +103,7 @@ static inline void check_stack(void)
103 } 103 }
104 104
105 out: 105 out:
106 __raw_spin_unlock(&max_stack_lock); 106 arch_spin_unlock(&max_stack_lock);
107 local_irq_restore(flags); 107 local_irq_restore(flags);
108} 108}
109 109
@@ -171,9 +171,9 @@ stack_max_size_write(struct file *filp, const char __user *ubuf,
171 return ret; 171 return ret;
172 172
173 local_irq_save(flags); 173 local_irq_save(flags);
174 __raw_spin_lock(&max_stack_lock); 174 arch_spin_lock(&max_stack_lock);
175 *ptr = val; 175 *ptr = val;
176 __raw_spin_unlock(&max_stack_lock); 176 arch_spin_unlock(&max_stack_lock);
177 local_irq_restore(flags); 177 local_irq_restore(flags);
178 178
179 return count; 179 return count;
@@ -207,7 +207,7 @@ t_next(struct seq_file *m, void *v, loff_t *pos)
207static void *t_start(struct seq_file *m, loff_t *pos) 207static void *t_start(struct seq_file *m, loff_t *pos)
208{ 208{
209 local_irq_disable(); 209 local_irq_disable();
210 __raw_spin_lock(&max_stack_lock); 210 arch_spin_lock(&max_stack_lock);
211 211
212 if (*pos == 0) 212 if (*pos == 0)
213 return SEQ_START_TOKEN; 213 return SEQ_START_TOKEN;
@@ -217,7 +217,7 @@ static void *t_start(struct seq_file *m, loff_t *pos)
217 217
218static void t_stop(struct seq_file *m, void *p) 218static void t_stop(struct seq_file *m, void *p)
219{ 219{
220 __raw_spin_unlock(&max_stack_lock); 220 arch_spin_unlock(&max_stack_lock);
221 local_irq_enable(); 221 local_irq_enable();
222} 222}
223 223