Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm

[powerpc.git] / lib / spinlock_debug.c

diff --git a/lib/spinlock_debug.c b/lib/spinlock_debug.c
index c8bb8cc..93c15ee 100644 (file)
--- a/lib/spinlock_debug.c
+++ b/lib/spinlock_debug.c
@@ -6,7 +6,6 @@
  * DEBUG_SPINLOCK.
  */
 
-#include <linux/config.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>
@@ -72,9 +71,9 @@ static void __spin_lock_debug(spinlock_t *lock)
 
        for (;;) {
                for (i = 0; i < loops_per_jiffy * HZ; i++) {
-                       cpu_relax();
                        if (__raw_spin_trylock(&lock->raw_lock))
                                return;
+                       __delay(1);
                }
                /* lockup suspected: */
                if (print_once) {
@@ -144,9 +143,9 @@ static void __read_lock_debug(rwlock_t *lock)
 
        for (;;) {
                for (i = 0; i < loops_per_jiffy * HZ; i++) {
-                       cpu_relax();
                        if (__raw_read_trylock(&lock->raw_lock))
                                return;
+                       __delay(1);
                }
                /* lockup suspected: */
                if (print_once) {
@@ -217,9 +216,9 @@ static void __write_lock_debug(rwlock_t *lock)
 
        for (;;) {
                for (i = 0; i < loops_per_jiffy * HZ; i++) {
-                       cpu_relax();
                        if (__raw_write_trylock(&lock->raw_lock))
                                return;
+                       __delay(1);
                }
                /* lockup suspected: */
                if (print_once) {