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authorArnd Bergmann <arnd@arndb.de>2011-01-25 15:54:50 -0500
committerArnd Bergmann <arnd@arndb.de>2011-03-01 18:02:39 -0500
commitf51b452bed4ae5c20e1f8a790e4ed8663d909a40 (patch)
tree3c028a2cb74253d74cf4ed15b2900531217cb6b6 /lib
parent4688a066ecf60086ea82f68edb3b036b567d2c08 (diff)
tracing: don't trace the BKL
No reason to trace it when the last user is gone. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'lib')
-rw-r--r--lib/kernel_lock.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/lib/kernel_lock.c b/lib/kernel_lock.c
index b135d04aa48a..d80e12265862 100644
--- a/lib/kernel_lock.c
+++ b/lib/kernel_lock.c
@@ -10,9 +10,6 @@
10#include <linux/semaphore.h> 10#include <linux/semaphore.h>
11#include <linux/smp_lock.h> 11#include <linux/smp_lock.h>
12 12
13#define CREATE_TRACE_POINTS
14#include <trace/events/bkl.h>
15
16/* 13/*
17 * The 'big kernel lock' 14 * The 'big kernel lock'
18 * 15 *
@@ -120,8 +117,6 @@ void __lockfunc _lock_kernel(const char *func, const char *file, int line)
120{ 117{
121 int depth = current->lock_depth + 1; 118 int depth = current->lock_depth + 1;
122 119
123 trace_lock_kernel(func, file, line);
124
125 if (likely(!depth)) { 120 if (likely(!depth)) {
126 might_sleep(); 121 might_sleep();
127 __lock_kernel(); 122 __lock_kernel();
@@ -134,8 +129,6 @@ void __lockfunc _unlock_kernel(const char *func, const char *file, int line)
134 BUG_ON(current->lock_depth < 0); 129 BUG_ON(current->lock_depth < 0);
135 if (likely(--current->lock_depth < 0)) 130 if (likely(--current->lock_depth < 0))
136 __unlock_kernel(); 131 __unlock_kernel();
137
138 trace_unlock_kernel(func, file, line);
139} 132}
140 133
141EXPORT_SYMBOL(_lock_kernel); 134EXPORT_SYMBOL(_lock_kernel);