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-rw-r--r--arch/microblaze/include/asm/entry.h36
1 files changed, 0 insertions, 36 deletions
diff --git a/arch/microblaze/include/asm/entry.h b/arch/microblaze/include/asm/entry.h
index ec89f2ad0fe1..af0144b91b79 100644
--- a/arch/microblaze/include/asm/entry.h
+++ b/arch/microblaze/include/asm/entry.h
@@ -31,40 +31,4 @@ DECLARE_PER_CPU(unsigned int, R11_SAVE); /* Temp variable for entry */
DECLARE_PER_CPU(unsigned int, CURRENT_SAVE); /* Saved current pointer */
# endif /* __ASSEMBLY__ */
-#ifndef CONFIG_MMU
-
-/* noMMU hasn't any space for args */
-# define STATE_SAVE_ARG_SPACE (0)
-
-#else /* CONFIG_MMU */
-
-/* If true, system calls save and restore all registers (except result
- * registers, of course). If false, then `call clobbered' registers
- * will not be preserved, on the theory that system calls are basically
- * function calls anyway, and the caller should be able to deal with it.
- * This is a security risk, of course, as `internal' values may leak out
- * after a system call, but that certainly doesn't matter very much for
- * a processor with no MMU protection! For a protected-mode kernel, it
- * would be faster to just zero those registers before returning.
- *
- * I can not rely on the glibc implementation. If you turn it off make
- * sure that r11/r12 is saved in user-space. --KAA
- *
- * These are special variables using by the kernel trap/interrupt code
- * to save registers in, at a time when there are no spare registers we
- * can use to do so, and we can't depend on the value of the stack
- * pointer. This means that they must be within a signed 16-bit
- * displacement of 0x00000000.
- */
-
-/* A `state save frame' is a struct pt_regs preceded by some extra space
- * suitable for a function call stack frame. */
-
-/* Amount of room on the stack reserved for arguments and to satisfy the
- * C calling conventions, in addition to the space used by the struct
- * pt_regs that actually holds saved values. */
-#define STATE_SAVE_ARG_SPACE (6*4) /* Up to six arguments */
-
-#endif /* CONFIG_MMU */
-
#endif /* _ASM_MICROBLAZE_ENTRY_H */
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