[PATCH] - UML - remove some dead code

[Jeff Dike <jdike@addtoit.com>]

Bodo pointed out that arch/um/kernel/skas/exec_user.c is dead code, so
this removes it.

Signed-off-by: Jeff Dike <jdike@addtoit.com>

Index: 2.6.9/arch/um/kernel/skas/Makefile
===================================================================
--- 2.6.9.orig/arch/um/kernel/skas/Makefile	2004-11-14 15:31:24.000000000 -0500
+++ 2.6.9/arch/um/kernel/skas/Makefile	2004-11-14 15:31:37.000000000 -0500
@@ -1,11 +1,11 @@
 # 
-# Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
+# Copyright (C) 2002 - 2004 Jeff Dike (jdike@addtoit.com)
 # Licensed under the GPL
 #
 
-obj-y := exec_kern.o exec_user.o mem.o mem_user.o mmu.o process.o \
-	process_kern.o syscall_kern.o syscall_user.o time.o tlb.o trap_user.o \
-	uaccess.o sys-$(SUBARCH)/
+obj-y := exec_kern.o mem.o mem_user.o mmu.o process.o process_kern.o \
+	syscall_kern.o syscall_user.o time.o tlb.o trap_user.o uaccess.o \
+	sys-$(SUBARCH)/
 
 subdir-y := util
 
Index: 2.6.9/arch/um/kernel/skas/exec_user.c
===================================================================
--- 2.6.9.orig/arch/um/kernel/skas/exec_user.c	2004-11-14 15:31:24.000000000 -0500
+++ 2.6.9/arch/um/kernel/skas/exec_user.c	2003-09-15 09:40:47.000000000 -0400
@@ -1,63 +0,0 @@
-/* 
- * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include <stdlib.h>
-#include <errno.h>
-#include <signal.h>
-#include <sched.h>
-#include <sys/wait.h>
-#include <sys/ptrace.h>
-#include "user.h"
-#include "kern_util.h"
-#include "user_util.h"
-#include "os.h"
-#include "time_user.h"
-
-static int user_thread_tramp(void *arg)
-{
-	if(ptrace(PTRACE_TRACEME, 0, 0, 0) < 0)
-		panic("user_thread_tramp - PTRACE_TRACEME failed, "
-		      "errno = %d\n", errno);
-	enable_timer();
-	os_stop_process(os_getpid());
-	return(0);
-}
-
-int user_thread(unsigned long stack, int flags)
-{
-	int pid, status, err;
-
-	pid = clone(user_thread_tramp, (void *) stack_sp(stack), 
-		    flags | CLONE_FILES | SIGCHLD, NULL);
-	if(pid < 0){
-		printk("user_thread - clone failed, errno = %d\n", errno);
-		return(pid);
-	}
-
-	CATCH_EINTR(err = waitpid(pid, &status, WUNTRACED));
-	if(err < 0){
-		printk("user_thread - waitpid failed, errno = %d\n", errno);
-		return(-errno);
-	}
-
-	if(!WIFSTOPPED(status) || (WSTOPSIG(status) != SIGSTOP)){
-		printk("user_thread - trampoline didn't stop, status = %d\n", 
-		       status);
-		return(-EINVAL);
-	}
-
-	return(pid);
-}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */