diff options
author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2010-07-09 04:21:22 -0400 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2010-08-02 20:24:03 -0400 |
commit | 09f86cd093b76b699656eaa82c37ca6d9a02b892 (patch) | |
tree | bff88b7d3a1573ffdf7da4c1fce06b892de05087 /arch/powerpc/kernel | |
parent | 3772b734720e1a3f2dc1d95cfdfaa5332f4ccf01 (diff) |
perf, powerpc: Convert the FSL driver to use local64_t
For some reason the FSL driver got left out when we converted perf
to use local64_t instead of atomic64_t.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r-- | arch/powerpc/kernel/perf_event_fsl_emb.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/arch/powerpc/kernel/perf_event_fsl_emb.c b/arch/powerpc/kernel/perf_event_fsl_emb.c index babcceecd2ea..fc6a89b7f08e 100644 --- a/arch/powerpc/kernel/perf_event_fsl_emb.c +++ b/arch/powerpc/kernel/perf_event_fsl_emb.c | |||
@@ -162,15 +162,15 @@ static void fsl_emb_pmu_read(struct perf_event *event) | |||
162 | * Therefore we treat them like NMIs. | 162 | * Therefore we treat them like NMIs. |
163 | */ | 163 | */ |
164 | do { | 164 | do { |
165 | prev = atomic64_read(&event->hw.prev_count); | 165 | prev = local64_read(&event->hw.prev_count); |
166 | barrier(); | 166 | barrier(); |
167 | val = read_pmc(event->hw.idx); | 167 | val = read_pmc(event->hw.idx); |
168 | } while (atomic64_cmpxchg(&event->hw.prev_count, prev, val) != prev); | 168 | } while (local64_cmpxchg(&event->hw.prev_count, prev, val) != prev); |
169 | 169 | ||
170 | /* The counters are only 32 bits wide */ | 170 | /* The counters are only 32 bits wide */ |
171 | delta = (val - prev) & 0xfffffffful; | 171 | delta = (val - prev) & 0xfffffffful; |
172 | atomic64_add(delta, &event->count); | 172 | local64_add(delta, &event->count); |
173 | atomic64_sub(delta, &event->hw.period_left); | 173 | local64_sub(delta, &event->hw.period_left); |
174 | } | 174 | } |
175 | 175 | ||
176 | /* | 176 | /* |
@@ -296,11 +296,11 @@ static int fsl_emb_pmu_enable(struct perf_event *event) | |||
296 | 296 | ||
297 | val = 0; | 297 | val = 0; |
298 | if (event->hw.sample_period) { | 298 | if (event->hw.sample_period) { |
299 | s64 left = atomic64_read(&event->hw.period_left); | 299 | s64 left = local64_read(&event->hw.period_left); |
300 | if (left < 0x80000000L) | 300 | if (left < 0x80000000L) |
301 | val = 0x80000000L - left; | 301 | val = 0x80000000L - left; |
302 | } | 302 | } |
303 | atomic64_set(&event->hw.prev_count, val); | 303 | local64_set(&event->hw.prev_count, val); |
304 | write_pmc(i, val); | 304 | write_pmc(i, val); |
305 | perf_event_update_userpage(event); | 305 | perf_event_update_userpage(event); |
306 | 306 | ||
@@ -371,8 +371,8 @@ static void fsl_emb_pmu_unthrottle(struct perf_event *event) | |||
371 | if (left < 0x80000000L) | 371 | if (left < 0x80000000L) |
372 | val = 0x80000000L - left; | 372 | val = 0x80000000L - left; |
373 | write_pmc(event->hw.idx, val); | 373 | write_pmc(event->hw.idx, val); |
374 | atomic64_set(&event->hw.prev_count, val); | 374 | local64_set(&event->hw.prev_count, val); |
375 | atomic64_set(&event->hw.period_left, left); | 375 | local64_set(&event->hw.period_left, left); |
376 | perf_event_update_userpage(event); | 376 | perf_event_update_userpage(event); |
377 | perf_enable(); | 377 | perf_enable(); |
378 | local_irq_restore(flags); | 378 | local_irq_restore(flags); |
@@ -500,7 +500,7 @@ const struct pmu *hw_perf_event_init(struct perf_event *event) | |||
500 | return ERR_PTR(-ENOTSUPP); | 500 | return ERR_PTR(-ENOTSUPP); |
501 | 501 | ||
502 | event->hw.last_period = event->hw.sample_period; | 502 | event->hw.last_period = event->hw.sample_period; |
503 | atomic64_set(&event->hw.period_left, event->hw.last_period); | 503 | local64_set(&event->hw.period_left, event->hw.last_period); |
504 | 504 | ||
505 | /* | 505 | /* |
506 | * See if we need to reserve the PMU. | 506 | * See if we need to reserve the PMU. |
@@ -541,16 +541,16 @@ static void record_and_restart(struct perf_event *event, unsigned long val, | |||
541 | int record = 0; | 541 | int record = 0; |
542 | 542 | ||
543 | /* we don't have to worry about interrupts here */ | 543 | /* we don't have to worry about interrupts here */ |
544 | prev = atomic64_read(&event->hw.prev_count); | 544 | prev = local64_read(&event->hw.prev_count); |
545 | delta = (val - prev) & 0xfffffffful; | 545 | delta = (val - prev) & 0xfffffffful; |
546 | atomic64_add(delta, &event->count); | 546 | local64_add(delta, &event->count); |
547 | 547 | ||
548 | /* | 548 | /* |
549 | * See if the total period for this event has expired, | 549 | * See if the total period for this event has expired, |
550 | * and update for the next period. | 550 | * and update for the next period. |
551 | */ | 551 | */ |
552 | val = 0; | 552 | val = 0; |
553 | left = atomic64_read(&event->hw.period_left) - delta; | 553 | left = local64_read(&event->hw.period_left) - delta; |
554 | if (period) { | 554 | if (period) { |
555 | if (left <= 0) { | 555 | if (left <= 0) { |
556 | left += period; | 556 | left += period; |
@@ -584,8 +584,8 @@ static void record_and_restart(struct perf_event *event, unsigned long val, | |||
584 | } | 584 | } |
585 | 585 | ||
586 | write_pmc(event->hw.idx, val); | 586 | write_pmc(event->hw.idx, val); |
587 | atomic64_set(&event->hw.prev_count, val); | 587 | local64_set(&event->hw.prev_count, val); |
588 | atomic64_set(&event->hw.period_left, left); | 588 | local64_set(&event->hw.period_left, left); |
589 | perf_event_update_userpage(event); | 589 | perf_event_update_userpage(event); |
590 | } | 590 | } |
591 | 591 | ||