vserver 1.9.5.x5

[linux-2.6.git] / arch / ia64 / kernel / smp.c

diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c
index 14134f2..4149a0d 100644 (file)
--- a/arch/ia64/kernel/smp.c
+++ b/arch/ia64/kernel/smp.c
@@ -29,9 +29,9 @@
 #include <linux/cache.h>
 #include <linux/delay.h>
 #include <linux/efi.h>
+#include <linux/bitops.h>
 
 #include <asm/atomic.h>
-#include <asm/bitops.h>
 #include <asm/current.h>
 #include <asm/delay.h>
 #include <asm/machvec.h>
@@ -52,7 +52,7 @@
  * Structure and data for smp_call_function(). This is designed to minimise static memory
  * requirements. It also looks cleaner.
  */
-static spinlock_t call_lock __cacheline_aligned = SPIN_LOCK_UNLOCKED;
+static  __cacheline_aligned DEFINE_SPINLOCK(call_lock);
 
 struct call_data_struct {
        void (*func) (void *info);
@@ -290,11 +290,11 @@ smp_call_function_single (int cpuid, void (*func) (void *info), void *info, int
 
        /* Wait for response */
        while (atomic_read(&data.started) != cpus)
-               barrier();
+               cpu_relax();
 
        if (wait)
                while (atomic_read(&data.finished) != cpus)
-                       barrier();
+                       cpu_relax();
        call_data = NULL;
 
        spin_unlock_bh(&call_lock);
@@ -349,11 +349,11 @@ smp_call_function (void (*func) (void *info), void *info, int nonatomic, int wai
 
        /* Wait for response */
        while (atomic_read(&data.started) != cpus)
-               barrier();
+               cpu_relax();
 
        if (wait)
                while (atomic_read(&data.finished) != cpus)
-                       barrier();
+                       cpu_relax();
        call_data = NULL;
 
        spin_unlock(&call_lock);