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Diffstat (limited to 'kernel')
-rw-r--r--kernel/perf_counter.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index a5bdc93ac47..7373b96bc36 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -837,6 +837,14 @@ void perf_counter_task_sched_out(struct task_struct *task, int cpu)
cpuctx->task_ctx = NULL;
}
+static void __perf_counter_task_sched_out(struct perf_counter_context *ctx)
+{
+ struct perf_cpu_context *cpuctx = &__get_cpu_var(perf_cpu_context);
+
+ __perf_counter_sched_out(ctx, cpuctx);
+ cpuctx->task_ctx = NULL;
+}
+
static void perf_counter_cpu_sched_out(struct perf_cpu_context *cpuctx)
{
__perf_counter_sched_out(&cpuctx->ctx, cpuctx);
@@ -943,15 +951,13 @@ int perf_counter_task_disable(void)
struct perf_counter *counter;
unsigned long flags;
u64 perf_flags;
- int cpu;
if (likely(!ctx->nr_counters))
return 0;
local_irq_save(flags);
- cpu = smp_processor_id();
- perf_counter_task_sched_out(curr, cpu);
+ __perf_counter_task_sched_out(ctx);
spin_lock(&ctx->lock);
@@ -989,7 +995,7 @@ int perf_counter_task_enable(void)
local_irq_save(flags);
cpu = smp_processor_id();
- perf_counter_task_sched_out(curr, cpu);
+ __perf_counter_task_sched_out(ctx);
spin_lock(&ctx->lock);
@@ -1054,7 +1060,7 @@ void perf_counter_task_tick(struct task_struct *curr, int cpu)
ctx = &curr->perf_counter_ctx;
perf_counter_cpu_sched_out(cpuctx);
- perf_counter_task_sched_out(curr, cpu);
+ __perf_counter_task_sched_out(ctx);
rotate_ctx(&cpuctx->ctx);
rotate_ctx(ctx);