[PATCH] get_cpu_var patch

This makes introduces get_cpu_var()/put_cpu_var() which gets a
per-cpu variable and disables preemption, and renames the (unsafe
under preemption) "this_cpu()" macro to __get_cpu_var().  It also
deletes the redundant definitions in linux/smp.h.

1 files changed, 0 insertions, 3 deletions

diff --git a/include/linux/smp.h b/include/linux/smp.h
index 9c6edbd8e6ec..6f6c6ed7a239 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -96,9 +96,6 @@ static inline void smp_send_reschedule_all(void) { }
 #define cpu_online_map				1
 #define cpu_online(cpu)				({ cpu; 1; })
 #define num_online_cpus()			1
-#define __per_cpu_data
-#define per_cpu(var, cpu)			var
-#define this_cpu(var)				var
 
 struct notifier_block;