[PATCH] remove gcc-2 checks

Remove various things which were checking for gcc-1.x and gcc-2.x compilers.

From: Adrian Bunk <bunk@stusta.de>

    Some documentation updates and removes some code paths for gcc < 3.2.

Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

9 files changed, 13 insertions, 48 deletions

diff --git a/include/linux/byteorder/generic.h b/include/linux/byteorder/generic.h
index 04bd756efc6..e86e4a93837 100644
--- a/include/linux/byteorder/generic.h
+++ b/include/linux/byteorder/generic.h
@@ -156,7 +156,7 @@ extern __be32			htonl(__u32);
 extern __u16			ntohs(__be16);
 extern __be16			htons(__u16);
 
-#if defined(__GNUC__) && (__GNUC__ >= 2) && defined(__OPTIMIZE__)
+#if defined(__GNUC__) && defined(__OPTIMIZE__)
 
 #define ___htonl(x) __cpu_to_be32(x)
 #define ___htons(x) __cpu_to_be16(x)
diff --git a/include/linux/byteorder/swab.h b/include/linux/byteorder/swab.h
index 2f1cb775125..25f7f32883e 100644
--- a/include/linux/byteorder/swab.h
+++ b/include/linux/byteorder/swab.h
@@ -110,7 +110,7 @@
 /*
  * Allow constant folding
  */
-#if defined(__GNUC__) && (__GNUC__ >= 2) && defined(__OPTIMIZE__)
+#if defined(__GNUC__) && defined(__OPTIMIZE__)
 #  define __swab16(x) \
 (__builtin_constant_p((__u16)(x)) ? \
  ___swab16((x)) : \
diff --git a/include/linux/byteorder/swabb.h b/include/linux/byteorder/swabb.h
index d5f2a320510..ae5e5f914bf 100644
--- a/include/linux/byteorder/swabb.h
+++ b/include/linux/byteorder/swabb.h
@@ -77,7 +77,7 @@
 /*
  * Allow constant folding
  */
-#if defined(__GNUC__) && (__GNUC__ >= 2) && defined(__OPTIMIZE__)
+#if defined(__GNUC__) && defined(__OPTIMIZE__)
 #  define __swahw32(x) \
 (__builtin_constant_p((__u32)(x)) ? \
  ___swahw32((x)) : \
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 15273405540..2e05e1e6b0e 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -15,3 +15,12 @@
   ({ unsigned long __ptr;					\
     __asm__ ("" : "=g"(__ptr) : "0"(ptr));		\
     (typeof(ptr)) (__ptr + (off)); })
+
+
+#define inline		inline		__attribute__((always_inline))
+#define __inline__	__inline__	__attribute__((always_inline))
+#define __inline	__inline	__attribute__((always_inline))
+#define __deprecated			__attribute__((deprecated))
+#define  noinline			__attribute__((noinline))
+#define __attribute_pure__		__attribute__((pure))
+#define __attribute_const__		__attribute__((__const__))
diff --git a/include/linux/compiler-gcc3.h b/include/linux/compiler-gcc3.h
index a6fa615afab..4209082ee93 100644
--- a/include/linux/compiler-gcc3.h
+++ b/include/linux/compiler-gcc3.h
@@ -3,29 +3,12 @@
 /* These definitions are for GCC v3.x.  */
 #include <linux/compiler-gcc.h>
 
-#if __GNUC_MINOR__ >= 1
-# define inline		inline		__attribute__((always_inline))
-# define __inline__	__inline__	__attribute__((always_inline))
-# define __inline	__inline	__attribute__((always_inline))
-#endif
-
-#if __GNUC_MINOR__ > 0
-# define __deprecated		__attribute__((deprecated))
-#endif
-
 #if __GNUC_MINOR__ >= 3
 # define __attribute_used__	__attribute__((__used__))
 #else
 # define __attribute_used__	__attribute__((__unused__))
 #endif
 
-#define __attribute_pure__	__attribute__((pure))
-#define __attribute_const__	__attribute__((__const__))
-
-#if __GNUC_MINOR__ >= 1
-#define  noinline		__attribute__((noinline))
-#endif
-
 #if __GNUC_MINOR__ >= 4
 #define __must_check		__attribute__((warn_unused_result))
 #endif
diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h
index 53686c037a0..e913e9beaf6 100644
--- a/include/linux/compiler-gcc4.h
+++ b/include/linux/compiler-gcc4.h
@@ -3,14 +3,7 @@
 /* These definitions are for GCC v4.x.  */
 #include <linux/compiler-gcc.h>
 
-#define inline			inline		__attribute__((always_inline))
-#define __inline__		__inline__	__attribute__((always_inline))
-#define __inline		__inline	__attribute__((always_inline))
-#define __deprecated		__attribute__((deprecated))
 #define __attribute_used__	__attribute__((__used__))
-#define __attribute_pure__	__attribute__((pure))
-#define __attribute_const__	__attribute__((__const__))
-#define  noinline		__attribute__((noinline))
 #define __must_check 		__attribute__((warn_unused_result))
 #define __compiler_offsetof(a,b) __builtin_offsetof(a,b)
 
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index b1e407a4fbd..ca7ff8fdd09 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -316,8 +316,6 @@ extern int randomize_va_space;
 #endif
 
 /* Trap pasters of __FUNCTION__ at compile-time */
-#if __GNUC__ > 2 || __GNUC_MINOR__ >= 95
 #define __FUNCTION__ (__func__)
-#endif
 
 #endif
diff --git a/include/linux/seccomp.h b/include/linux/seccomp.h
index dc89116bb1c..cd2773b29a6 100644
--- a/include/linux/seccomp.h
+++ b/include/linux/seccomp.h
@@ -26,11 +26,7 @@ static inline int has_secure_computing(struct thread_info *ti)
 
 #else /* CONFIG_SECCOMP */
 
-#if (__GNUC__ > 2)
-  typedef struct { } seccomp_t;
-#else
-  typedef struct { int gcc_is_buggy; } seccomp_t;
-#endif
+typedef struct { } seccomp_t;
 
 #define secure_computing(x) do { } while (0)
 /* static inline to preserve typechecking */
diff --git a/include/linux/spinlock_types_up.h b/include/linux/spinlock_types_up.h
index def2d173a8d..04135b0e198 100644
--- a/include/linux/spinlock_types_up.h
+++ b/include/linux/spinlock_types_up.h
@@ -22,30 +22,16 @@ typedef struct {
 
 #else
 
-/*
- * All gcc 2.95 versions and early versions of 2.96 have a nasty bug
- * with empty initializers.
- */
-#if (__GNUC__ > 2)
 typedef struct { } raw_spinlock_t;
 
 #define __RAW_SPIN_LOCK_UNLOCKED { }
-#else
-typedef struct { int gcc_is_buggy; } raw_spinlock_t;
-#define __RAW_SPIN_LOCK_UNLOCKED (raw_spinlock_t) { 0 }
-#endif
 
 #endif
 
-#if (__GNUC__ > 2)
 typedef struct {
 	/* no debug version on UP */
 } raw_rwlock_t;
 
 #define __RAW_RW_LOCK_UNLOCKED { }
-#else
-typedef struct { int gcc_is_buggy; } raw_rwlock_t;
-#define __RAW_RW_LOCK_UNLOCKED (raw_rwlock_t) { 0 }
-#endif
 
 #endif /* __LINUX_SPINLOCK_TYPES_UP_H */