cris: switch to generic fork/vfork/clone

same braindamage as on s390 - the first two arguments of clone(2) in the
wrong order.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 4 insertions, 28 deletions

diff --git a/arch/cris/arch-v10/kernel/process.c b/arch/cris/arch-v10/kernel/process.c
index 1d6458287f3..520547c8b19 100644
--- a/arch/cris/arch-v10/kernel/process.c
+++ b/arch/cris/arch-v10/kernel/process.c
@@ -17,7 +17,7 @@
 #include <arch/svinto.h>
 #include <linux/init.h>
 #include <arch/system.h>
-#include <asm/ptrace.h>
+#include <linux/ptrace.h>
 
 #ifdef CONFIG_ETRAX_GPIO
 void etrax_gpio_wake_up_check(void); /* drivers/gpio.c */
@@ -95,7 +95,7 @@ asmlinkage void ret_from_kernel_thread(void);
 
 int copy_thread(unsigned long clone_flags, unsigned long usp,
                 unsigned long arg,
-                struct task_struct *p, struct pt_regs *regs)
+                struct task_struct *p, struct pt_regs *unused)
 {
         struct pt_regs *childregs = task_pt_regs(p);
         struct switch_stack *swstack = ((struct switch_stack *)childregs) - 1;
@@ -115,7 +115,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
                 p->thread.usp = 0;
                 return 0;
         }
-        *childregs = *regs;  /* struct copy of pt_regs */
+        *childregs = *current_pt_regs();  /* struct copy of pt_regs */
 
         childregs->r10 = 0;  /* child returns 0 after a fork/clone */
 
@@ -129,7 +129,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
         
         /* fix the user-mode stackpointer */
 
-        p->thread.usp = usp;
+        p->thread.usp = usp ?: rdusp();
 
         /* and the kernel-mode one */
 
@@ -143,30 +143,6 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
         return 0;
 }
 
-asmlinkage int sys_fork(void)
-{
-        return do_fork(SIGCHLD, rdusp(), current_pt_regs(), 0, NULL, NULL);
-}
-
-/* if newusp is 0, we just grab the old usp */
-/* FIXME: Is parent_tid/child_tid really third/fourth argument? Update lib? */
-asmlinkage int sys_clone(unsigned long newusp, unsigned long flags,
-                         int* parent_tid, int* child_tid)
-{
-        if (!newusp)
-                newusp = rdusp();
-        return do_fork(flags, newusp, current_pt_regs(), 0, parent_tid, child_tid);
-}
-
-/* vfork is a system call in i386 because of register-pressure - maybe
- * we can remove it and handle it in libc but we put it here until then.
- */
-
-asmlinkage int sys_vfork(void)
-{
-        return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, rdusp(), current_pt_regs(), 0, NULL, NULL);
-}
-
 unsigned long get_wchan(struct task_struct *p)
 {
 #if 0