[tip:core/locking] liblockdep: Remove the need for liblockdep_init()

From: tip-bot for Sasha Levin
Date: Mon Feb 11 2013 - 07:21:42 EST


Commit-ID: 62347c63f0646e76a36dc7039d395e0faa880c79
Gitweb: http://git.kernel.org/tip/62347c63f0646e76a36dc7039d395e0faa880c79
Author: Sasha Levin <sasha.levin@xxxxxxxxxx>
AuthorDate: Sat, 9 Feb 2013 19:39:31 -0500
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Mon, 11 Feb 2013 10:12:36 +0100

liblockdep: Remove the need for liblockdep_init()

Use a constructor in the library instead of making the user
manually call liblockdep_init().

Signed-off-by: Sasha Levin <sasha.levin@xxxxxxxxxx>
Cc: jamie.iles@xxxxxxxxxx
Cc: penberg@xxxxxxxxxx
Cc: acme@xxxxxxxxxxxxxxxxxx
Cc: paulus@xxxxxxxxx
Cc: namhyung@xxxxxxxxxx
Cc: peterz@xxxxxxxxxxxxx
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1360456781-32462-1-git-send-email-sasha.levin@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
tools/lib/lockdep/common.c | 2 +-
tools/lib/lockdep/include/liblockdep/common.h | 1 -
tools/lib/lockdep/tests/AA.c | 1 -
tools/lib/lockdep/tests/ABBA.c | 1 -
tools/lib/lockdep/tests/ABBCCA.c | 1 -
tools/lib/lockdep/tests/ABBCCDDA.c | 1 -
tools/lib/lockdep/tests/ABCABC.c | 1 -
tools/lib/lockdep/tests/ABCDBCDA.c | 1 -
tools/lib/lockdep/tests/ABCDBDDA.c | 1 -
tools/lib/lockdep/tests/WW.c | 1 -
tools/lib/lockdep/tests/unlock_balance.c | 1 -
tools/lib/lockdep/uinclude/linux/lockdep.h | 1 -
12 files changed, 1 insertion(+), 12 deletions(-)

diff --git a/tools/lib/lockdep/common.c b/tools/lib/lockdep/common.c
index 99d3b4b..d2946e0 100644
--- a/tools/lib/lockdep/common.c
+++ b/tools/lib/lockdep/common.c
@@ -10,7 +10,7 @@ __thread struct task_struct current_obj;
bool debug_locks = true;
bool debug_locks_silent;

-void liblockdep_init(void)
+__attribute__((constructor)) static void liblockdep_init(void)
{
lockdep_init();
}
diff --git a/tools/lib/lockdep/include/liblockdep/common.h b/tools/lib/lockdep/include/liblockdep/common.h
index b72f9c1..f6f7fec8 100644
--- a/tools/lib/lockdep/include/liblockdep/common.h
+++ b/tools/lib/lockdep/include/liblockdep/common.h
@@ -26,7 +26,6 @@ struct lockdep_map {
#endif
};

-void liblockdep_init(void);
void liblockdep_set_thread(void);
void lockdep_init_map(struct lockdep_map *lock, const char *name,
struct lock_class_key *key, int subclass);
diff --git a/tools/lib/lockdep/tests/AA.c b/tools/lib/lockdep/tests/AA.c
index 933d32f..3f71333 100644
--- a/tools/lib/lockdep/tests/AA.c
+++ b/tools/lib/lockdep/tests/AA.c
@@ -4,7 +4,6 @@ void main(void)
{
pthread_mutex_t a, b;

- liblockdep_init();
liblockdep_set_thread();

pthread_mutex_init(&a, NULL);
diff --git a/tools/lib/lockdep/tests/ABBA.c b/tools/lib/lockdep/tests/ABBA.c
index 9f5146b..08d87a7 100644
--- a/tools/lib/lockdep/tests/ABBA.c
+++ b/tools/lib/lockdep/tests/ABBA.c
@@ -5,7 +5,6 @@ void main(void)
{
pthread_mutex_t a, b;

- liblockdep_init();
liblockdep_set_thread();

pthread_mutex_init(&a, NULL);
diff --git a/tools/lib/lockdep/tests/ABBCCA.c b/tools/lib/lockdep/tests/ABBCCA.c
index b7435d7..c5d0e5c 100644
--- a/tools/lib/lockdep/tests/ABBCCA.c
+++ b/tools/lib/lockdep/tests/ABBCCA.c
@@ -5,7 +5,6 @@ void main(void)
{
pthread_mutex_t a, b, c;

- liblockdep_init();
liblockdep_set_thread();

pthread_mutex_init(&a, NULL);
diff --git a/tools/lib/lockdep/tests/ABBCCDDA.c b/tools/lib/lockdep/tests/ABBCCDDA.c
index 2425330..e12dc98 100644
--- a/tools/lib/lockdep/tests/ABBCCDDA.c
+++ b/tools/lib/lockdep/tests/ABBCCDDA.c
@@ -5,7 +5,6 @@ void main(void)
{
pthread_mutex_t a, b, c, d;

- liblockdep_init();
liblockdep_set_thread();

pthread_mutex_init(&a, NULL);
diff --git a/tools/lib/lockdep/tests/ABCABC.c b/tools/lib/lockdep/tests/ABCABC.c
index 2ee30fe..70879c95 100644
--- a/tools/lib/lockdep/tests/ABCABC.c
+++ b/tools/lib/lockdep/tests/ABCABC.c
@@ -5,7 +5,6 @@ void main(void)
{
pthread_mutex_t a, b, c;

- liblockdep_init();
liblockdep_set_thread();

pthread_mutex_init(&a, NULL);
diff --git a/tools/lib/lockdep/tests/ABCDBCDA.c b/tools/lib/lockdep/tests/ABCDBCDA.c
index 32d19d6..00cd676 100644
--- a/tools/lib/lockdep/tests/ABCDBCDA.c
+++ b/tools/lib/lockdep/tests/ABCDBCDA.c
@@ -5,7 +5,6 @@ void main(void)
{
liblockdep_pthread_mutex_t a, b, c, d;

- liblockdep_init();
liblockdep_set_thread();

liblockdep_pthread_mutex_init(&a, NULL);
diff --git a/tools/lib/lockdep/tests/ABCDBDDA.c b/tools/lib/lockdep/tests/ABCDBDDA.c
index 850eaca..19b3ed1 100644
--- a/tools/lib/lockdep/tests/ABCDBDDA.c
+++ b/tools/lib/lockdep/tests/ABCDBDDA.c
@@ -5,7 +5,6 @@ void main(void)
{
pthread_mutex_t a, b, c, d;

- liblockdep_init();
liblockdep_set_thread();

pthread_mutex_init(&a, NULL);
diff --git a/tools/lib/lockdep/tests/WW.c b/tools/lib/lockdep/tests/WW.c
index 4b1be0f..2467b13 100644
--- a/tools/lib/lockdep/tests/WW.c
+++ b/tools/lib/lockdep/tests/WW.c
@@ -4,7 +4,6 @@ void main(void)
{
pthread_rwlock_t a, b;

- liblockdep_init();
liblockdep_set_thread();

pthread_rwlock_init(&a, NULL);
diff --git a/tools/lib/lockdep/tests/unlock_balance.c b/tools/lib/lockdep/tests/unlock_balance.c
index 9dfaf97..07a4c21 100644
--- a/tools/lib/lockdep/tests/unlock_balance.c
+++ b/tools/lib/lockdep/tests/unlock_balance.c
@@ -4,7 +4,6 @@ void main(void)
{
pthread_mutex_t a;

- liblockdep_init();
liblockdep_set_thread();

pthread_mutex_init(&a, NULL);
diff --git a/tools/lib/lockdep/uinclude/linux/lockdep.h b/tools/lib/lockdep/uinclude/linux/lockdep.h
index 1ed83a5..611cb28 100644
--- a/tools/lib/lockdep/uinclude/linux/lockdep.h
+++ b/tools/lib/lockdep/uinclude/linux/lockdep.h
@@ -25,7 +25,6 @@ struct task_struct {
extern __thread struct task_struct current_obj;
#define current (&current_obj)

-void liblockdep_init(void);
void liblockdep_set_thread(void);

#define debug_locks_off() 1
--
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