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

* 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  lockdep: fix irqs on/off ip tracing
  lockdep: minor fix for debug_show_all_locks()
  x86: restore the old swiotlb alloc_coherent behavior
  x86: use GFP_DMA for 24bit coherent_dma_mask
  swiotlb: remove panic for alloc_coherent failure
  xen: compilation fix of drivers/xen/events.c on IA64
  xen: portability clean up and some minor clean up for xencomm.c
  xen: don't reload cr3 on suspend
  kernel/resource: fix reserve_region_with_split() section mismatch
  printk: remove unused code from kernel/printk.c

1 files changed, 8 insertions, 9 deletions

diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index dbda475b13bd..06e157119d2b 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -2169,12 +2169,11 @@ void early_boot_irqs_on(void)
 /*
  * Hardirqs will be enabled:
  */
-void trace_hardirqs_on_caller(unsigned long a0)
+void trace_hardirqs_on_caller(unsigned long ip)
 {
         struct task_struct *curr = current;
-        unsigned long ip;
 
-        time_hardirqs_on(CALLER_ADDR0, a0);
+        time_hardirqs_on(CALLER_ADDR0, ip);
 
         if (unlikely(!debug_locks || current->lockdep_recursion))
                 return;
@@ -2188,7 +2187,6 @@ void trace_hardirqs_on_caller(unsigned long a0)
         }
         /* we'll do an OFF -> ON transition: */
         curr->hardirqs_enabled = 1;
-        ip = (unsigned long) __builtin_return_address(0);
 
         if (DEBUG_LOCKS_WARN_ON(!irqs_disabled()))
                 return;
@@ -2224,11 +2222,11 @@ EXPORT_SYMBOL(trace_hardirqs_on);
 /*
  * Hardirqs were disabled:
  */
-void trace_hardirqs_off_caller(unsigned long a0)
+void trace_hardirqs_off_caller(unsigned long ip)
 {
         struct task_struct *curr = current;
 
-        time_hardirqs_off(CALLER_ADDR0, a0);
+        time_hardirqs_off(CALLER_ADDR0, ip);
 
         if (unlikely(!debug_locks || current->lockdep_recursion))
                 return;
@@ -2241,7 +2239,7 @@ void trace_hardirqs_off_caller(unsigned long a0)
                  * We have done an ON -> OFF transition:
                  */
                 curr->hardirqs_enabled = 0;
-                curr->hardirq_disable_ip = _RET_IP_;
+                curr->hardirq_disable_ip = ip;
                 curr->hardirq_disable_event = ++curr->irq_events;
                 debug_atomic_inc(&hardirqs_off_events);
         } else
@@ -3417,9 +3415,10 @@ retry:
                 }
                 printk(" ignoring it.\n");
                 unlock = 0;
+        } else {
+                if (count != 10)
+                        printk(KERN_CONT " locked it.\n");
         }
-        if (count != 10)
-                printk(" locked it.\n");
 
         do_each_thread(g, p) {
                 /*