ust: use libkcompat

[ust.git] / share / kernelcompat.h

diff --git a/share/kernelcompat.h b/share/kernelcompat.h
index f95d0d77e886d17090b41c8be0c556935e2df399..052f7688bb9f36d804529eca4ca65176fc04c428 100644 (file)
--- a/share/kernelcompat.h
+++ b/share/kernelcompat.h
@@ -1,6 +1,8 @@
 #ifndef KERNELCOMPAT_H
 #define KERNELCOMPAT_H
 
+#include <kcompat.h>
+
 #include "compiler.h"
 
 #include <string.h>
@@ -40,12 +42,12 @@ static inline long IS_ERR(const void *ptr)
 
 /* FIXED SIZE INTEGERS */
 
-#include <stdint.h>
+//#include <stdint.h>
 
-typedef uint8_t u8;
-typedef uint16_t u16;
-typedef uint32_t u32;
-typedef uint64_t u64;
+//typedef uint8_t u8;
+//typedef uint16_t u16;
+//typedef uint32_t u32;
+//typedef uint64_t u64;
 
 #define min_t(type, x, y) ({                    \
        type __min1 = (x);                      \
@@ -98,14 +100,8 @@ typedef int spinlock_t;
 
 /* MEMORY BARRIERS */
 
-//#define smp_rmb() do {} while(0)
-//#define smp_wmb() do {} while(0)
-//#define smp_mb() do {} while(0)
 #define smp_mb__after_atomic_inc() do {} while(0)
 
-#define read_barrier_depends() do {} while(0)
-//#define smp_read_barrier_depends() do {} while(0)
-
 /* RCU */
 
 #include "urcu.h"
@@ -118,8 +114,6 @@ typedef int spinlock_t;
 
 #include <signal.h>
 
-typedef struct { sig_atomic_t counter; } atomic_t;
-
 static inline int atomic_dec_and_test(atomic_t *p)
 {
        (p->counter)--;
@@ -153,39 +147,6 @@ static int atomic_read(atomic_t *p)
        ((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o),       \
                                       (unsigned long)(n), sizeof(*(ptr))))
 
-static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
-                                     unsigned long new, int size)
-{
-       unsigned long prev;
-       switch (size) {
-       case 1:
-               asm volatile("lock; cmpxchgb %b1,%2"
-                            : "=a"(prev)
-                            : "q"(new), "m"(*__xg(ptr)), "0"(old)
-                            : "memory");
-               return prev;
-       case 2:
-               asm volatile("lock; cmpxchgw %w1,%2"
-                            : "=a"(prev)
-                            : "r"(new), "m"(*__xg(ptr)), "0"(old)
-                            : "memory");
-               return prev;
-       case 4:
-               asm volatile("lock; cmpxchgl %k1,%2"
-                            : "=a"(prev)
-                            : "r"(new), "m"(*__xg(ptr)), "0"(old)
-                            : "memory");
-               return prev;
-       case 8:
-               asm volatile("lock; cmpxchgq %1,%2"
-                            : "=a"(prev)
-                            : "r"(new), "m"(*__xg(ptr)), "0"(old)
-                            : "memory");
-               return prev;
-       }
-       return old;
-}
-
 //#define local_cmpxchg cmpxchg
 #define local_cmpxchg(l, o, n) (cmpxchg(&((l)->a.counter), (o), (n)))