[GIT PULL] locking fix
From: Ingo Molnar
Date: Sat Apr 16 2016 - 05:16:38 EST
Linus,
Please pull the latest locking-urgent-for-linus git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking-urgent-for-linus
# HEAD: 5c8a010c2411729a07cb1b90c09fa978ac0ac6c0 locking/lockdep: Fix print_collision() unused warning
Fixes a build warning on certain Kconfig combinations.
Thanks,
Ingo
------------------>
Borislav Petkov (1):
locking/lockdep: Fix print_collision() unused warning
kernel/locking/lockdep.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index 2324ba5310db..ed9410936a22 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -1999,6 +1999,7 @@ static inline int get_first_held_lock(struct task_struct *curr,
return ++i;
}
+#ifdef CONFIG_DEBUG_LOCKDEP
/*
* Returns the next chain_key iteration
*/
@@ -2069,6 +2070,7 @@ static void print_collision(struct task_struct *curr,
printk("\nstack backtrace:\n");
dump_stack();
}
+#endif
/*
* Checks whether the chain and the current held locks are consistent