X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fcompiler.h;h=aca66984aafd7635f254f18f8ae4518925a69703;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=f23d3c6fc2c06ea9766ec18a8580f1de5234975e;hpb=64ba3f394c830ec48a1c31b53dcae312c56f1604;p=linux-2.6.git

diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index f23d3c6fc..aca66984a 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -10,11 +10,11 @@
 # define __force	__attribute__((force))
 # define __nocast	__attribute__((nocast))
 # define __iomem	__attribute__((noderef, address_space(2)))
-# define __acquires(x)	__attribute__((context(0,1)))
-# define __releases(x)	__attribute__((context(1,0)))
-# define __acquire(x)	__context__(1)
-# define __release(x)	__context__(-1)
-# define __cond_lock(x)	((x) ? ({ __context__(1); 1; }) : 0)
+# define __acquires(x)	__attribute__((context(x,0,1)))
+# define __releases(x)	__attribute__((context(x,1,0)))
+# define __acquire(x)	__context__(x,1)
+# define __release(x)	__context__(x,-1)
+# define __cond_lock(x,c)	((c) ? ({ __acquire(x); 1; }) : 0)
 extern void __chk_user_ptr(void __user *);
 extern void __chk_io_ptr(void __iomem *);
 #else
@@ -31,7 +31,7 @@ extern void __chk_io_ptr(void __iomem *);
 # define __releases(x)
 # define __acquire(x) (void)0
 # define __release(x) (void)0
-# define __cond_lock(x) (x)
+# define __cond_lock(x,c) (c)
 #endif
 
 #ifdef __KERNEL__
@@ -40,7 +40,7 @@ extern void __chk_io_ptr(void __iomem *);
 #error no compiler-gcc.h file for this gcc version
 #elif __GNUC__ == 4
 # include <linux/compiler-gcc4.h>
-#elif __GNUC__ == 3
+#elif __GNUC__ == 3 && __GNUC_MINOR__ >= 2
 # include <linux/compiler-gcc3.h>
 #else
 # error Sorry, your compiler is too old/not recognized.
@@ -78,6 +78,7 @@ extern void __chk_io_ptr(void __iomem *);
 
 #endif /* __ASSEMBLY__ */
 
+#ifdef __KERNEL__
 /*
  * Allow us to mark functions as 'deprecated' and have gcc emit a nice
  * warning for each use, in hopes of speeding the functions removal.
@@ -98,6 +99,11 @@ extern void __chk_io_ptr(void __iomem *);
 #define __must_check
 #endif
 
+#ifndef CONFIG_ENABLE_MUST_CHECK
+#undef __must_check
+#define __must_check
+#endif
+
 /*
  * Allow us to avoid 'defined but not used' warnings on functions and data,
  * as well as force them to be emitted to the assembly file.
@@ -127,6 +133,16 @@ extern void __chk_io_ptr(void __iomem *);
 # define __attribute_pure__	/* unimplemented */
 #endif
 
+#ifndef noinline
+#define noinline
+#endif
+
+#ifndef __always_inline
+#define __always_inline inline
+#endif
+
+#endif /* __KERNEL__ */
+
 /*
  * From the GCC manual:
  *
@@ -145,12 +161,4 @@ extern void __chk_io_ptr(void __iomem *);
 # define __attribute_const__	/* unimplemented */
 #endif
 
-#ifndef noinline
-#define noinline
-#endif
-
-#ifndef __always_inline
-#define __always_inline inline
-#endif
-
 #endif /* __LINUX_COMPILER_H */