Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  lockdep: Fix lockdep_no_validate against IRQ states
  mutex: Make mutex_destroy() an inline function
  plist: Remove the need to supply locks to plist heads
  lockup detector: Fix reference to the non-existent CONFIG_DETECT_SOFTLOCKUP option

2 files changed, 3 insertions, 8 deletions

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index dd373c8ee94..9c28fa4202f 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -227,7 +227,7 @@ config BOOTPARAM_SOFTLOCKUP_PANIC_VALUE
 config DETECT_HUNG_TASK
         bool "Detect Hung Tasks"
         depends on DEBUG_KERNEL
-        default DETECT_SOFTLOCKUP
+        default LOCKUP_DETECTOR
         help
           Say Y here to enable the kernel to detect "hung tasks",
           which are bugs that cause the task to be stuck in
@@ -866,7 +866,7 @@ config BOOT_PRINTK_DELAY
           system, and then set "lpj=M" before setting "boot_delay=N".
           NOTE:  Using this option may adversely affect SMP systems.
           I.e., processors other than the first one may not boot up.
-          BOOT_PRINTK_DELAY also may cause DETECT_SOFTLOCKUP to detect
+          BOOT_PRINTK_DELAY also may cause LOCKUP_DETECTOR to detect
           what it believes to be lockup conditions.
 
 config RCU_TORTURE_TEST
diff --git a/lib/plist.c b/lib/plist.c
index 0ae7e643172..a0a4da489c2 100644
--- a/lib/plist.c
+++ b/lib/plist.c
@@ -56,11 +56,6 @@ static void plist_check_list(struct list_head *top)
 
 static void plist_check_head(struct plist_head *head)
 {
-        WARN_ON(head != &test_head && !head->rawlock && !head->spinlock);
-        if (head->rawlock)
-                WARN_ON_SMP(!raw_spin_is_locked(head->rawlock));
-        if (head->spinlock)
-                WARN_ON_SMP(!spin_is_locked(head->spinlock));
         if (!plist_head_empty(head))
                 plist_check_list(&plist_first(head)->prio_list);
         plist_check_list(&head->node_list);
@@ -180,7 +175,7 @@ static int  __init plist_test(void)
         unsigned int r = local_clock();
 
         printk(KERN_INFO "start plist test\n");
-        plist_head_init(&test_head, NULL);
+        plist_head_init(&test_head);
         for (i = 0; i < ARRAY_SIZE(test_node); i++)
                 plist_node_init(test_node + i, 0);