From: Pierre-Marc Fournier <pierre-marc.fournier@polymtl.ca>
Date: Fri, 3 Apr 2009 19:12:03 +0000 (-0400)
Subject: cleanup kernelcompat.h
X-Git-Tag: v0.1~237
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=981e27d976f58157323770384f8fd125733e0b8e;p=ust.git

cleanup kernelcompat.h
---

diff --git a/share/kernelcompat.h b/share/kernelcompat.h
index 41746d9..6396488 100644
--- a/share/kernelcompat.h
+++ b/share/kernelcompat.h
@@ -8,6 +8,11 @@
 #include <string.h>
 #include <sys/time.h>
 
+/* FIXME: libkcompat must not define arch-specific local ops, as ust *must*
+ * fallback to the normal atomic ops. Fix things so we don't add them and
+ * break things accidentally.
+ */
+
 #define container_of(ptr, type, member) ({                      \
         const typeof( ((type *)0)->member ) *__mptr = (ptr);    \
         (type *)( (char *)__mptr - offsetof(type,member) );})
@@ -41,14 +46,7 @@ static inline long IS_ERR(const void *ptr)
 }
 
 
-/* FIXED SIZE INTEGERS */
-
-//#include <stdint.h>
-
-//typedef uint8_t u8;
-//typedef uint16_t u16;
-//typedef uint32_t u32;
-//typedef uint64_t u64;
+/* Min / Max */
 
 #define min_t(type, x, y) ({                    \
 	type __min1 = (x);                      \
@@ -91,93 +89,6 @@ static inline long IS_ERR(const void *ptr)
 #include <stdio.h>
 #define printk(fmt, args...) printf(fmt, ## args)
 
-/* MEMORY BARRIERS */
-
-//#define smp_mb__after_atomic_inc() do {} while(0)
-
-///* RCU */
-//
-//#include "urcu.h"
-//#define call_rcu_sched(a,b) b(a); synchronize_rcu()
-//#define rcu_barrier_sched() do {} while(0) /* this nop is ok if call_rcu_sched does a synchronize_rcu() */
-//#define rcu_read_lock_sched_notrace() rcu_read_lock()
-//#define rcu_read_unlock_sched_notrace() rcu_read_unlock()
-
-/* ATOMICITY */
-
-//#include <signal.h>
-//
-//static inline int atomic_dec_and_test(atomic_t *p)
-//{
-//	(p->counter)--;
-//	return !p->counter;
-//}
-//
-//static inline void atomic_set(atomic_t *p, int v)
-//{
-//	p->counter=v;
-//}
-//
-//static inline void atomic_inc(atomic_t *p)
-//{
-//	p->counter++;
-//}
-//
-//static int atomic_read(atomic_t *p)
-//{
-//	return p->counter;
-//}
-//
-//#define atomic_long_t atomic_t
-//#define atomic_long_set atomic_set
-//#define atomic_long_read atomic_read
-
-//#define __xg(x) ((volatile long *)(x))
-
-//#define cmpxchg(ptr, o, n)						\
-//	((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o),	\
-				       (unsigned long)(n), sizeof(*(ptr))))
-
-//#define local_cmpxchg cmpxchg
-//#define local_cmpxchg(l, o, n) (cmpxchg(&((l)->a.counter), (o), (n)))
-
-//#define atomic_long_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new)))
-
-
-/* LOCAL OPS */
-
-//typedef int local_t;
-//typedef struct
-//{
-//	atomic_long_t a;
-//} local_t;
-//
-//
-//static inline void local_inc(local_t *l)
-//{
-//	(l->a.counter)++;
-//}
-//
-//static inline void local_set(local_t *l, int v)
-//{
-//	l->a.counter = v;
-//}
-//
-//static inline void local_add(int v, local_t *l)
-//{
-//	l->a.counter += v;
-//}
-//
-//static int local_add_return(int v, local_t *l)
-//{
-//	return l->a.counter += v;
-//}
-//
-//static inline int local_read(local_t *l)
-//{
-//	return l->a.counter;
-//}
-
 
 /* ATTRIBUTES */