diff options
author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2010-07-09 10:21:22 +0200 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2010-08-03 10:24:03 +1000 |
commit | 09f86cd093b76b699656eaa82c37ca6d9a02b892 (patch) | |
tree | bff88b7d3a1573ffdf7da4c1fce06b892de05087 /arch/powerpc/kernel/perf_event_fsl_emb.c | |
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/perf_event_fsl_emb.c')
-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) * Therefore we treat them like NMIs. */ do { - prev = atomic64_read(&event->hw.prev_count); + prev = local64_read(&event->hw.prev_count); barrier(); val = read_pmc(event->hw.idx); - } while (atomic64_cmpxchg(&event->hw.prev_count, prev, val) != prev); + } while (local64_cmpxchg(&event->hw.prev_count, prev, val) != prev); /* The counters are only 32 bits wide */ delta = (val - prev) & 0xfffffffful; - atomic64_add(delta, &event->count); - atomic64_sub(delta, &event->hw.period_left); + local64_add(delta, &event->count); + local64_sub(delta, &event->hw.period_left); } /* @@ -296,11 +296,11 @@ static int fsl_emb_pmu_enable(struct perf_event *event) val = 0; if (event->hw.sample_period) { - s64 left = atomic64_read(&event->hw.period_left); + s64 left = local64_read(&event->hw.period_left); if (left < 0x80000000L) val = 0x80000000L - left; } - atomic64_set(&event->hw.prev_count, val); + local64_set(&event->hw.prev_count, val); write_pmc(i, val); perf_event_update_userpage(event); @@ -371,8 +371,8 @@ static void fsl_emb_pmu_unthrottle(struct perf_event *event) if (left < 0x80000000L) val = 0x80000000L - left; write_pmc(event->hw.idx, val); - atomic64_set(&event->hw.prev_count, val); - atomic64_set(&event->hw.period_left, left); + local64_set(&event->hw.prev_count, val); + local64_set(&event->hw.period_left, left); perf_event_update_userpage(event); perf_enable(); local_irq_restore(flags); @@ -500,7 +500,7 @@ const struct pmu *hw_perf_event_init(struct perf_event *event) return ERR_PTR(-ENOTSUPP); event->hw.last_period = event->hw.sample_period; - atomic64_set(&event->hw.period_left, event->hw.last_period); + local64_set(&event->hw.period_left, event->hw.last_period); /* * See if we need to reserve the PMU. @@ -541,16 +541,16 @@ static void record_and_restart(struct perf_event *event, unsigned long val, int record = 0; /* we don't have to worry about interrupts here */ - prev = atomic64_read(&event->hw.prev_count); + prev = local64_read(&event->hw.prev_count); delta = (val - prev) & 0xfffffffful; - atomic64_add(delta, &event->count); + local64_add(delta, &event->count); /* * See if the total period for this event has expired, * and update for the next period. */ val = 0; - left = atomic64_read(&event->hw.period_left) - delta; + left = local64_read(&event->hw.period_left) - delta; if (period) { if (left <= 0) { left += period; @@ -584,8 +584,8 @@ static void record_and_restart(struct perf_event *event, unsigned long val, } write_pmc(event->hw.idx, val); - atomic64_set(&event->hw.prev_count, val); - atomic64_set(&event->hw.period_left, left); + local64_set(&event->hw.prev_count, val); + local64_set(&event->hw.period_left, left); perf_event_update_userpage(event); } |