1 files changed, 31 insertions, 0 deletions

diff --git a/include/asm-sparc/current.h b/include/asm-sparc/current.h
new file mode 100644
index 000000000000..8fe7c82a5e21
--- /dev/null
+++ b/include/asm-sparc/current.h
@@ -0,0 +1,31 @@
+/*
+ *  include/asm-sparc/current.h
+ *
+ * Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ * Copyright (C) 2002 Pete Zaitcev (zaitcev@yahoo.com)
+ *
+ *  Derived from "include/asm-s390/current.h" by
+ *  Martin Schwidefsky (schwidefsky@de.ibm.com)
+ *  Derived from "include/asm-i386/current.h"
+ */
+#ifndef _ASM_CURRENT_H
+#define _ASM_CURRENT_H
+
+/*
+ * At the sparc64 DaveM keeps current_thread_info in %g4.
+ * We might want to consider doing the same to shave a few cycles.
+ */
+
+#include <linux/thread_info.h>
+
+struct task_struct;
+
+/* Two stage process (inline + #define) for type-checking. */
+/* We also obfuscate get_current() to check if anyone used that by mistake. */
+static inline struct task_struct *__get_current(void)
+{
+        return current_thread_info()->task;
+}
+#define current __get_current()
+
+#endif /* !(_ASM_CURRENT_H) */