linux-kernel - [PATCH] Tracing/Profiling: Ftrace: exported additional symbols after de7b2973 change

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Date:	Thu, 16 Apr 2015 19:45:34 -0500
From:	Ron Rechenmacher <ron@...l.gov>
To:	<rostedt@...dmis.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] Tracing/Profiling: Ftrace: exported additional symbols after
 de7b2973 change


After change to use "struct pointer instead of name hash",
additional symbols need to be exported using the EXPORT_TRACEPOINT_SYMBOL_GPL
macro.

Signed-off-by: Ron Rechenmacher <ron@...l.gov>
---
  kernel/irq/handle.c               |    3 +++
  kernel/softirq.c                  |    3 +++
  kernel/trace/trace_sched_switch.c |    2 ++
  kernel/trace/trace_syscalls.c     |    3 +++
  4 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 6354802..241e165 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -195,3 +195,6 @@ irqreturn_t handle_irq_event(struct irq_desc *desc)
         irqd_clear(&desc->irq_data, IRQD_IRQ_INPROGRESS);
         return ret;
  }
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(irq_handler_entry);
+EXPORT_TRACEPOINT_SYMBOL_GPL(irq_handler_exit);
diff --git a/kernel/softirq.c b/kernel/softirq.c
index 479e443..adce531 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -785,3 +785,6 @@ unsigned int __weak arch_dynirq_lower_bound(unsigned int from)
  {
         return from;
  }
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(softirq_entry);
+EXPORT_TRACEPOINT_SYMBOL_GPL(softirq_exit);
diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c
index 419ca37..c5b96d2 100644
--- a/kernel/trace/trace_sched_switch.c
+++ b/kernel/trace/trace_sched_switch.c
@@ -99,3 +99,5 @@ void tracing_stop_cmdline_record(void)
  {
         tracing_stop_sched_switch();
  }
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(sched_switch);
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index f97f6e3..377c712 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -748,3 +748,6 @@ static int syscall_exit_register(struct ftrace_event_call *event,
         }
         return 0;
  }
+
+EXPORT_TRACEPOINT_SYMBOL_GPL(sys_exit);
+EXPORT_TRACEPOINT_SYMBOL_GPL(sys_enter);
--
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