fedora core 2.6.10-1.12-FC2

[linux-2.6.git] / arch / ppc64 / kernel / process.c

diff --git a/arch/ppc64/kernel/process.c b/arch/ppc64/kernel/process.c
index 8211337..2da3914 100644 (file)
--- a/arch/ppc64/kernel/process.c
+++ b/arch/ppc64/kernel/process.c
@@ -258,6 +258,7 @@ void show_regs(struct pt_regs * regs)
        print_symbol("%s\n", regs->link);
        show_stack(current, (unsigned long *)regs->gpr[1]);
 }
+EXPORT_SYMBOL_GPL(show_regs);
 
 void exit_thread(void)
 {
@@ -315,8 +316,6 @@ copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
        extern void ret_from_fork(void);
        unsigned long sp = (unsigned long)p->thread_info + THREAD_SIZE;
 
-       p->set_child_tid = p->clear_child_tid = NULL;
-
        /* Copy registers */
        sp -= sizeof(struct pt_regs);
        childregs = (struct pt_regs *) sp;
@@ -512,8 +511,11 @@ int sys_execve(unsigned long a0, unsigned long a1, unsigned long a2,
        error = do_execve(filename, (char __user * __user *) a1,
                                    (char __user * __user *) a2, regs);
   
-       if (error == 0)
+       if (error == 0) {
+               task_lock(current);
                current->ptrace &= ~PT_DTRACE;
+               task_unlock(current);
+       }
        putname(filename);
 
 out: