3 files changed, 4 insertions, 27 deletions

diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c
index 3a8ece7d09ca..0d7103c9eff3 100644
--- a/arch/um/kernel/exec.c
+++ b/arch/um/kernel/exec.c
@@ -32,13 +32,14 @@ void flush_thread(void)
 		       "err = %d\n", ret);
 		force_sig(SIGKILL, current);
 	}
+	get_safe_registers(current_pt_regs()->regs.gp,
+			   current_pt_regs()->regs.fp);
 
 	__switch_mm(&current->mm->context.id);
 }
 
 void start_thread(struct pt_regs *regs, unsigned long eip, unsigned long esp)
 {
-	get_safe_registers(regs->regs.gp, regs->regs.fp);
 	PT_REGS_IP(regs) = eip;
 	PT_REGS_SP(regs) = esp;
 	current->ptrace &= ~PT_DTRACE;
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index b6d699cdd557..b462b13c5bae 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -161,8 +161,7 @@ void fork_handler(void)
 }
 
 int copy_thread(unsigned long clone_flags, unsigned long sp,
-		unsigned long arg, struct task_struct * p,
-		struct pt_regs *regs)
+		unsigned long arg, struct task_struct * p)
 {
 	void (*handler)(void);
 	int kthread = current->flags & PF_KTHREAD;
@@ -171,7 +170,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp,
 	p->thread = (struct thread_struct) INIT_THREAD;
 
 	if (!kthread) {
-	  	memcpy(&p->thread.regs.regs, &regs->regs,
+	  	memcpy(&p->thread.regs.regs, current_pt_regs(),
 		       sizeof(p->thread.regs.regs));
 		PT_REGS_SET_SYSCALL_RETURN(&p->thread.regs, 0);
 		if (sp != 0)
diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c
index a81f3705e90f..c1d0ae069b53 100644
--- a/arch/um/kernel/syscall.c
+++ b/arch/um/kernel/syscall.c
@@ -14,29 +14,6 @@
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
 
-long sys_fork(void)
-{
-	return do_fork(SIGCHLD, UPT_SP(&current->thread.regs.regs),
-		      &current->thread.regs, 0, NULL, NULL);
-}
-
-long sys_vfork(void)
-{
-	return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD,
-		      UPT_SP(&current->thread.regs.regs),
-		      &current->thread.regs, 0, NULL, NULL);
-}
-
-long sys_clone(unsigned long clone_flags, unsigned long newsp,
-	       void __user *parent_tid, void __user *child_tid)
-{
-	if (!newsp)
-		newsp = UPT_SP(&current->thread.regs.regs);
-
-	return do_fork(clone_flags, newsp, &current->thread.regs, 0, parent_tid,
-		      child_tid);
-}
-
 long old_mmap(unsigned long addr, unsigned long len,
 	      unsigned long prot, unsigned long flags,
 	      unsigned long fd, unsigned long offset)