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[for-next][PATCH 09/13] ftrace: Clean up ftrace_module_init() code

From Steven Rostedt <rostedt@goodmis.org>
Newsgroups linux.kernel
Subject [for-next][PATCH 09/13] ftrace: Clean up ftrace_module_init() code
Date 2015-12-24 15:40 +0100
Message-ID <qJfdD-7VC-15@gated-at.bofh.it> (permalink)
References <qJf3Y-7QW-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>

The start and end variables were only used when ftrace_module_init() was
split up into multiple functions. No need to keep them around after the
merger.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
 kernel/trace/ftrace.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 29fcc2c76583..0f7ee341f89f 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -4982,14 +4982,11 @@ void ftrace_release_mod(struct module *mod)
 
 void ftrace_module_init(struct module *mod)
 {
-	unsigned long *start = mod->ftrace_callsites;
-	unsigned long *end = mod->ftrace_callsites +
-				mod->num_ftrace_callsites;
-
-	if (ftrace_disabled || start == end)
+	if (ftrace_disabled || !mod->num_ftrace_callsites)
 		return;
 
-	ftrace_process_locs(mod, start, end);
+	ftrace_process_locs(mod, mod->ftrace_callsites,
+			    mod->ftrace_callsites + mod->num_ftrace_callsites);
 }
 
 static int ftrace_module_notify_exit(struct notifier_block *self,
-- 
2.6.2


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Thread

[for-next][PATCH 00/13] tracing: More updates for 4.5. Steven Rostedt <rostedt@goodmis.org> - 2015-12-24 15:40 +0100
  [for-next][PATCH 06/13] tracing: Use seq_buf_used() in seq_buf_to_user() instead of len Steven Rostedt <rostedt@goodmis.org> - 2015-12-24 15:40 +0100
  [for-next][PATCH 01/13] ftrace: Fix a typo in comment Steven Rostedt <rostedt@goodmis.org> - 2015-12-24 15:40 +0100
  [for-next][PATCH 12/13] metag: ftrace: Fix the comments for ftrace_modify_code Steven Rostedt <rostedt@goodmis.org> - 2015-12-24 15:40 +0100
  [for-next][PATCH 03/13] ftrace: Remove use of control list and ops Steven Rostedt <rostedt@goodmis.org> - 2015-12-24 15:40 +0100
  [for-next][PATCH 07/13] tracing: Introduce TRACE_EVENT_FN_COND macro Steven Rostedt <rostedt@goodmis.org> - 2015-12-24 15:40 +0100
  [for-next][PATCH 04/13] ftrace: Have ftrace_ops_get_func() handle RCU and PER_CPU flags too Steven Rostedt <rostedt@goodmis.org> - 2015-12-24 15:40 +0100
  [for-next][PATCH 13/13] tracing: Fix comment to use tracing_on over tracing_enable Steven Rostedt <rostedt@goodmis.org> - 2015-12-24 15:40 +0100
  [for-next][PATCH 09/13] ftrace: Clean up ftrace_module_init() code Steven Rostedt <rostedt@goodmis.org> - 2015-12-24 15:40 +0100
  [for-next][PATCH 10/13] ia64: ftrace: Fix the comments for ftrace_modify_code() Steven Rostedt <rostedt@goodmis.org> - 2015-12-24 15:40 +0100
  [for-next][PATCH 02/13] ftrace: Fix output of enabled_functions for showing tramp Steven Rostedt <rostedt@goodmis.org> - 2015-12-24 15:40 +0100

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