Messages in this thread Patch in this message | | | Date | Wed, 31 Oct 2012 19:22:50 +0800 | From | Shan Wei <> | Subject | [PATCH 5/9] ftrace: use this_cpu_ptr per-cpu helper |
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From: Shan Wei <davidshan@tencent.com>
Signed-off-by: Shan Wei <davidshan@tencent.com> --- include/trace/ftrace.h | 4 +--- 1 files changed, 1 insertions(+), 3 deletions(-)
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h index a763888..7c9fde7 100644 --- a/include/trace/ftrace.h +++ b/include/trace/ftrace.h @@ -638,7 +638,6 @@ __attribute__((section("_ftrace_events"))) *__event_##call = &event_##call * struct trace_entry *ent; * int __entry_size; * int __data_size; - * int __cpu * int pc; * * pc = preempt_count(); @@ -654,7 +653,6 @@ __attribute__((section("_ftrace_events"))) *__event_##call = &event_##call * // Protect the non nmi buffer * // This also protects the rcu read side * local_irq_save(irq_flags); - * __cpu = smp_processor_id(); * * if (in_nmi()) * trace_buf = rcu_dereference_sched(perf_trace_buf_nmi); @@ -664,7 +662,7 @@ __attribute__((section("_ftrace_events"))) *__event_##call = &event_##call * if (!trace_buf) * goto end; * - * trace_buf = per_cpu_ptr(trace_buf, __cpu); + * trace_buf = this_cpu_ptr(trace_buf); * * // Avoid recursion from perf that could mess up the buffer * if (trace_buf->recursion++) -- 1.7.1
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