1 files changed, 1 insertions, 87 deletions
diff --git a/arch/unicore32/kernel/sys.c b/arch/unicore32/kernel/sys.c
index 3afe60a39ac..f9e86253931 100644
--- a/arch/unicore32/kernel/sys.c
+++ b/arch/unicore32/kernel/sys.c
@@ -28,97 +28,11 @@
 #include <asm/syscalls.h>
 #include <asm/cacheflush.h>
 
-/* Clone a task - this clones the calling program thread.
- * This is called indirectly via a small wrapper
- */
-asmlinkage long __sys_clone(unsigned long clone_flags, unsigned long newsp,
-			 void __user *parent_tid, void __user *child_tid,
-			 struct pt_regs *regs)
-{
-	if (!newsp)
-		newsp = regs->UCreg_sp;
-
-	return do_fork(clone_flags, newsp, regs, 0,
-			parent_tid, child_tid);
-}
-
-/* sys_execve() executes a new program.
- * This is called indirectly via a small wrapper
- */
-asmlinkage long __sys_execve(const char __user *filename,
-			  const char __user *const __user *argv,
-			  const char __user *const __user *envp,
-			  struct pt_regs *regs)
-{
-	int error;
-	char *fn;
-
-	fn = getname(filename);
-	error = PTR_ERR(fn);
-	if (IS_ERR(fn))
-		goto out;
-	error = do_execve(fn, argv, envp, regs);
-	putname(fn);
-out:
-	return error;
-}
-
-int kernel_execve(const char *filename,
-		  const char *const argv[],
-		  const char *const envp[])
-{
-	struct pt_regs regs;
-	int ret;
-
-	memset(&regs, 0, sizeof(struct pt_regs));
-	ret = do_execve(filename,
-			(const char __user *const __user *)argv,
-			(const char __user *const __user *)envp, &regs);
-	if (ret < 0)
-		goto out;
-
-	/*
-	 * Save argc to the register structure for userspace.
-	 */
-	regs.UCreg_00 = ret;
-
-	/*
-	 * We were successful.  We won't be returning to our caller, but
-	 * instead to user space by manipulating the kernel stack.
-	 */
-	asm("add	r0, %0, %1\n\t"
-		"mov	r1, %2\n\t"
-		"mov	r2, %3\n\t"
-		"mov	r22, #0\n\t"	/* not a syscall */
-		"mov	r23, %0\n\t"	/* thread structure */
-		"b.l	memmove\n\t"	/* copy regs to top of stack */
-		"mov	sp, r0\n\t"	/* reposition stack pointer */
-		"b	ret_to_user"
-		:
-		: "r" (current_thread_info()),
-		  "Ir" (THREAD_START_SP - sizeof(regs)),
-		  "r" (&regs),
-		  "Ir" (sizeof(regs))
-		: "r0", "r1", "r2", "r3", "ip", "lr", "memory");
-
- out:
-	return ret;
-}
-EXPORT_SYMBOL(kernel_execve);
-
-/* Note: used by the compat code even in 64-bit Linux. */
-SYSCALL_DEFINE6(mmap2, unsigned long, addr, unsigned long, len,
-		unsigned long, prot, unsigned long, flags,
-		unsigned long, fd, unsigned long, off_4k)
-{
-	return sys_mmap_pgoff(addr, len, prot, flags, fd,
-			      off_4k);
-}
-
 /* Provide the actual syscall number to call mapping. */
 #undef __SYSCALL
 #define __SYSCALL(nr, call)	[nr] = (call),
 
+#define sys_mmap2 sys_mmap_pgoff
 /* Note that we don't include <linux/unistd.h> but <asm/unistd.h> */
 void *sys_call_table[__NR_syscalls] = {
 	[0 ... __NR_syscalls-1] = sys_ni_syscall,