1 files changed, 0 insertions, 52 deletions
diff --git a/arch/tile/include/asm/percpu.h b/arch/tile/include/asm/percpu.h
deleted file mode 100644
index 4f7ae39fa202..000000000000
--- a/arch/tile/include/asm/percpu.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/*
- * Copyright 2010 Tilera Corporation. All Rights Reserved.
- *
- *   This program is free software; you can redistribute it and/or
- *   modify it under the terms of the GNU General Public License
- *   as published by the Free Software Foundation, version 2.
- *
- *   This program is distributed in the hope that it will be useful, but
- *   WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- *   NON INFRINGEMENT.  See the GNU General Public License for
- *   more details.
- */
-
-#ifndef _ASM_TILE_PERCPU_H
-#define _ASM_TILE_PERCPU_H
-
-register unsigned long my_cpu_offset_reg asm("tp");
-
-#ifdef CONFIG_PREEMPT
-/*
- * For full preemption, we can't just use the register variable
- * directly, since we need barrier() to hazard against it, causing the
- * compiler to reload anything computed from a previous "tp" value.
- * But we also don't want to use volatile asm, since we'd like the
- * compiler to be able to cache the value across multiple percpu reads.
- * So we use a fake stack read as a hazard against barrier().
- * The 'U' constraint is like 'm' but disallows postincrement.
- */
-static inline unsigned long __my_cpu_offset(void)
-{
-	unsigned long tp;
-	register unsigned long *sp asm("sp");
-	asm("move %0, tp" : "=r" (tp) : "U" (*sp));
-	return tp;
-}
-#define __my_cpu_offset __my_cpu_offset()
-#else
-/*
- * We don't need to hazard against barrier() since "tp" doesn't ever
- * change with PREEMPT_NONE, and with PREEMPT_VOLUNTARY it only
- * changes at function call points, at which we are already re-reading
- * the value of "tp" due to "my_cpu_offset_reg" being a global variable.
- */
-#define __my_cpu_offset my_cpu_offset_reg
-#endif
-
-#define set_my_cpu_offset(tp) (my_cpu_offset_reg = (tp))
-
-#include <asm-generic/percpu.h>
-
-#endif /* _ASM_TILE_PERCPU_H */