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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-30 14:44:09 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-30 14:44:09 -0400
commit0b54968f667585aa4b98a7225f4d4df63917703c (patch)
tree6d354dade8bfe96f00bbba55eaf3c87fc9593fe4
parenteffdb9492de01a51f8123e62e87e3330688f9bf1 (diff)
parentf3384b28a05624783b53836ccfed95ecde66a7ad (diff)
Merge branch 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'tracing-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: ftrace: fix trace_nop config select ftrace: perform an initialization for ftrace to enable it
-rw-r--r--kernel/trace/Kconfig2
-rw-r--r--kernel/trace/ftrace.c8
2 files changed, 9 insertions, 1 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index e0cea282e0c5..b58f43bec363 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -8,7 +8,6 @@ config NOP_TRACER
8 8
9config HAVE_FUNCTION_TRACER 9config HAVE_FUNCTION_TRACER
10 bool 10 bool
11 select NOP_TRACER
12 11
13config HAVE_DYNAMIC_FTRACE 12config HAVE_DYNAMIC_FTRACE
14 bool 13 bool
@@ -28,6 +27,7 @@ config TRACING
28 select RING_BUFFER 27 select RING_BUFFER
29 select STACKTRACE 28 select STACKTRACE
30 select TRACEPOINTS 29 select TRACEPOINTS
30 select NOP_TRACER
31 31
32menu "Tracers" 32menu "Tracers"
33 33
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 7618c528756b..4a39d24568c8 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -1339,6 +1339,14 @@ void __init ftrace_init(void)
1339} 1339}
1340 1340
1341#else 1341#else
1342
1343static int __init ftrace_nodyn_init(void)
1344{
1345 ftrace_enabled = 1;
1346 return 0;
1347}
1348device_initcall(ftrace_nodyn_init);
1349
1342# define ftrace_startup() do { } while (0) 1350# define ftrace_startup() do { } while (0)
1343# define ftrace_shutdown() do { } while (0) 1351# define ftrace_shutdown() do { } while (0)
1344# define ftrace_startup_sysctl() do { } while (0) 1352# define ftrace_startup_sysctl() do { } while (0)