add missing files for r1764

git-svn-id: svn://kolibrios.org@1765 a494cfbc-eb01-0410-851d-a64ba20cac60

drivers/include/linux/compiler-gcc3.h

@@ -0,0 +1,31 @@
+#ifndef __LINUX_COMPILER_H
+#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
+#endif
+
+#if __GNUC_MINOR__ < 2
+# error Sorry, your compiler is too old - please upgrade it.
+#endif
+
+#if __GNUC_MINOR__ >= 3
+# define __used                 __attribute__((__used__))
+#else
+# define __used                 __attribute__((__unused__))
+#endif
+
+#if __GNUC_MINOR__ >= 4
+#define __must_check            __attribute__((warn_unused_result))
+#endif
+
+#ifdef CONFIG_GCOV_KERNEL
+# if __GNUC_MINOR__ < 4
+#   error "GCOV profiling support for gcc versions below 3.4 not included"
+# endif /* __GNUC_MINOR__ */
+#endif /* CONFIG_GCOV_KERNEL */
+
+/*
+ * A trick to suppress uninitialized variable warning without generating any
+ * code
+ */
+#define uninitialized_var(x) x = x
+
+#define __always_inline         inline __attribute__((always_inline))