4 files changed, 25 insertions, 15 deletions

diff --git a/arch/sparc/include/asm/local64.h b/arch/sparc/include/asm/local64.h
new file mode 100644
index 000000000000..36c93b5cc239
--- /dev/null
+++ b/arch/sparc/include/asm/local64.h
@@ -0,0 +1 @@
+#include <asm-generic/local64.h>
diff --git a/arch/sparc/include/asm/perf_event.h b/arch/sparc/include/asm/perf_event.h
index 7e2669894ce8..74c4e0cd889c 100644
--- a/arch/sparc/include/asm/perf_event.h
+++ b/arch/sparc/include/asm/perf_event.h
@@ -6,7 +6,15 @@ extern void set_perf_event_pending(void);
 #define PERF_EVENT_INDEX_OFFSET 0
 
 #ifdef CONFIG_PERF_EVENTS
+#include <asm/ptrace.h>
+
 extern void init_hw_perf_events(void);
+
+extern void
+__perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip);
+
+#define perf_arch_fetch_caller_regs(pt_regs, ip)        \
+        __perf_arch_fetch_caller_regs(pt_regs, ip, 1);
 #else
 static inline void init_hw_perf_events(void)    { }
 #endif
diff --git a/arch/sparc/kernel/helpers.S b/arch/sparc/kernel/helpers.S
index 92090cc9e829..682fee06a16b 100644
--- a/arch/sparc/kernel/helpers.S
+++ b/arch/sparc/kernel/helpers.S
@@ -47,9 +47,9 @@ stack_trace_flush:
         .size           stack_trace_flush,.-stack_trace_flush
 
 #ifdef CONFIG_PERF_EVENTS
-        .globl          perf_arch_fetch_caller_regs
-        .type           perf_arch_fetch_caller_regs,#function
-perf_arch_fetch_caller_regs:
+        .globl          __perf_arch_fetch_caller_regs
+        .type           __perf_arch_fetch_caller_regs,#function
+__perf_arch_fetch_caller_regs:
         /* We always read the %pstate into %o5 since we will use
          * that to construct a fake %tstate to store into the regs.
          */
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 44faabc3c02c..357ced3c33ff 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -572,18 +572,18 @@ static u64 sparc_perf_event_update(struct perf_event *event,
         s64 delta;
 
 again:
-        prev_raw_count = atomic64_read(&hwc->prev_count);
+        prev_raw_count = local64_read(&hwc->prev_count);
         new_raw_count = read_pmc(idx);
 
-        if (atomic64_cmpxchg(&hwc->prev_count, prev_raw_count,
+        if (local64_cmpxchg(&hwc->prev_count, prev_raw_count,
                              new_raw_count) != prev_raw_count)
                 goto again;
 
         delta = (new_raw_count << shift) - (prev_raw_count << shift);
         delta >>= shift;
 
-        atomic64_add(delta, &event->count);
-        atomic64_sub(delta, &hwc->period_left);
+        local64_add(delta, &event->count);
+        local64_sub(delta, &hwc->period_left);
 
         return new_raw_count;
 }
@@ -591,27 +591,27 @@ again:
 static int sparc_perf_event_set_period(struct perf_event *event,
                                        struct hw_perf_event *hwc, int idx)
 {
-        s64 left = atomic64_read(&hwc->period_left);
+        s64 left = local64_read(&hwc->period_left);
         s64 period = hwc->sample_period;
         int ret = 0;
 
         if (unlikely(left <= -period)) {
                 left = period;
-                atomic64_set(&hwc->period_left, left);
+                local64_set(&hwc->period_left, left);
                 hwc->last_period = period;
                 ret = 1;
         }
 
         if (unlikely(left <= 0)) {
                 left += period;
-                atomic64_set(&hwc->period_left, left);
+                local64_set(&hwc->period_left, left);
                 hwc->last_period = period;
                 ret = 1;
         }
         if (left > MAX_PERIOD)
                 left = MAX_PERIOD;
 
-        atomic64_set(&hwc->prev_count, (u64)-left);
+        local64_set(&hwc->prev_count, (u64)-left);
 
         write_pmc(idx, (u64)(-left) & 0xffffffff);
 
@@ -1006,7 +1006,7 @@ static int sparc_pmu_enable(struct perf_event *event)
          * skip the schedulability test here, it will be peformed
          * at commit time(->commit_txn) as a whole
          */
-        if (cpuc->group_flag & PERF_EVENT_TXN_STARTED)
+        if (cpuc->group_flag & PERF_EVENT_TXN)
                 goto nocheck;
 
         if (check_excludes(cpuc->event, n0, 1))
@@ -1088,7 +1088,7 @@ static int __hw_perf_event_init(struct perf_event *event)
         if (!hwc->sample_period) {
                 hwc->sample_period = MAX_PERIOD;
                 hwc->last_period = hwc->sample_period;
-                atomic64_set(&hwc->period_left, hwc->sample_period);
+                local64_set(&hwc->period_left, hwc->sample_period);
         }
 
         return 0;
@@ -1103,7 +1103,7 @@ static void sparc_pmu_start_txn(const struct pmu *pmu)
 {
         struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);
 
-        cpuhw->group_flag |= PERF_EVENT_TXN_STARTED;
+        cpuhw->group_flag |= PERF_EVENT_TXN;
 }
 
 /*
@@ -1115,7 +1115,7 @@ static void sparc_pmu_cancel_txn(const struct pmu *pmu)
 {
         struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);
 
-        cpuhw->group_flag &= ~PERF_EVENT_TXN_STARTED;
+        cpuhw->group_flag &= ~PERF_EVENT_TXN;
 }
 
 /*
@@ -1138,6 +1138,7 @@ static int sparc_pmu_commit_txn(const struct pmu *pmu)
         if (sparc_check_constraints(cpuc->event, cpuc->events, n))
                 return -EAGAIN;
 
+        cpuc->group_flag &= ~PERF_EVENT_TXN;
         return 0;
 }