Revert to Fedora kernel-2.6.17-1.2187_FC5 patched with vs2.0.2.1; there are too many...

[linux-2.6.git] / include / linux / smp_lock.h

diff --git a/include/linux/smp_lock.h b/include/linux/smp_lock.h
index 8a142e0..fa1ff3b 100644 (file)
--- a/include/linux/smp_lock.h
+++ b/include/linux/smp_lock.h
@@ -2,22 +2,21 @@
 #define __LINUX_SMPLOCK_H
 
 #include <linux/config.h>
+#ifdef CONFIG_LOCK_KERNEL
 #include <linux/sched.h>
 #include <linux/spinlock.h>
 
-#ifdef CONFIG_LOCK_KERNEL
-
 #define kernel_locked()                (current->lock_depth >= 0)
 
-extern int __lockfunc get_kernel_lock(void);
-extern void __lockfunc put_kernel_lock(void);
+extern int __lockfunc __reacquire_kernel_lock(void);
+extern void __lockfunc __release_kernel_lock(void);
 
 /*
  * Release/re-acquire global kernel lock for the scheduler
  */
 #define release_kernel_lock(tsk) do {          \
        if (unlikely((tsk)->lock_depth >= 0))   \
-               put_kernel_lock();              \
+               __release_kernel_lock();        \
 } while (0)
 
 /*
@@ -26,16 +25,16 @@ extern void __lockfunc put_kernel_lock(void);
  * reacquire_kernel_lock() so that the compiler can see
  * it at compile-time.
  */
-#ifdef CONFIG_SMP
-#define return_value_on_smp return
+#if defined(CONFIG_SMP) && !defined(CONFIG_PREEMPT_BKL)
+# define return_value_on_smp return
 #else
-#define return_value_on_smp
+# define return_value_on_smp
 #endif
 
 static inline int reacquire_kernel_lock(struct task_struct *task)
 {
        if (unlikely(task->lock_depth >= 0))
-               return_value_on_smp get_kernel_lock();
+               return_value_on_smp __reacquire_kernel_lock();
        return 0;
 }