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authorLinus Torvalds <torvalds@linux-foundation.org>2010-08-06 12:30:52 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2010-08-06 12:30:52 -0400
commit4aed2fd8e3181fea7c09ba79cf64e7e3f4413bf9 (patch)
tree1f69733e5daab4915a76a41de0e4d1dc61e12cfb /arch/sh/kernel/perf_event.c
parent3a3527b6461b1298cc53ce72f336346739297ac8 (diff)
parentfc9ea5a1e53ee54f681e226d735008e2a6f8f470 (diff)
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (162 commits) tracing/kprobes: unregister_trace_probe needs to be called under mutex perf: expose event__process function perf events: Fix mmap offset determination perf, powerpc: fsl_emb: Restore setting perf_sample_data.period perf, powerpc: Convert the FSL driver to use local64_t perf tools: Don't keep unreferenced maps when unmaps are detected perf session: Invalidate last_match when removing threads from rb_tree perf session: Free the ref_reloc_sym memory at the right place x86,mmiotrace: Add support for tracing STOS instruction perf, sched migration: Librarize task states and event headers helpers perf, sched migration: Librarize the GUI class perf, sched migration: Make the GUI class client agnostic perf, sched migration: Make it vertically scrollable perf, sched migration: Parameterize cpu height and spacing perf, sched migration: Fix key bindings perf, sched migration: Ignore unhandled task states perf, sched migration: Handle ignored migrate out events perf: New migration tool overview tracing: Drop cpparg() macro perf: Use tracepoint_synchronize_unregister() to flush any pending tracepoint call ... Fix up trivial conflicts in Makefile and drivers/cpufreq/cpufreq.c
Diffstat (limited to 'arch/sh/kernel/perf_event.c')
-rw-r--r--arch/sh/kernel/perf_event.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/sh/kernel/perf_event.c b/arch/sh/kernel/perf_event.c
index 81b6de41ae5d..7a3dc3567258 100644
--- a/arch/sh/kernel/perf_event.c
+++ b/arch/sh/kernel/perf_event.c
@@ -185,10 +185,10 @@ static void sh_perf_event_update(struct perf_event *event,
185 * this is the simplest approach for maintaining consistency. 185 * this is the simplest approach for maintaining consistency.
186 */ 186 */
187again: 187again:
188 prev_raw_count = atomic64_read(&hwc->prev_count); 188 prev_raw_count = local64_read(&hwc->prev_count);
189 new_raw_count = sh_pmu->read(idx); 189 new_raw_count = sh_pmu->read(idx);
190 190
191 if (atomic64_cmpxchg(&hwc->prev_count, prev_raw_count, 191 if (local64_cmpxchg(&hwc->prev_count, prev_raw_count,
192 new_raw_count) != prev_raw_count) 192 new_raw_count) != prev_raw_count)
193 goto again; 193 goto again;
194 194
@@ -203,7 +203,7 @@ again:
203 delta = (new_raw_count << shift) - (prev_raw_count << shift); 203 delta = (new_raw_count << shift) - (prev_raw_count << shift);
204 delta >>= shift; 204 delta >>= shift;
205 205
206 atomic64_add(delta, &event->count); 206 local64_add(delta, &event->count);
207} 207}
208 208
209static void sh_pmu_disable(struct perf_event *event) 209static void sh_pmu_disable(struct perf_event *event)