/*
* do necessary setup to start up a newly executed thread
- * - need to discard the frame stacked by the kernel thread invoking the execve
- * syscall (see RESTORE_ALL macro)
*/
static inline void start_thread(struct pt_regs *regs,
unsigned long new_pc, unsigned long new_sp)
{
- struct thread_info *ti = current_thread_info();
- struct pt_regs *frame0;
-
- frame0 = thread_info_to_uregs(ti);
- frame0->epsw = EPSW_nSL | EPSW_IE | EPSW_IM;
- frame0->pc = new_pc;
- frame0->sp = new_sp;
- ti->frame = frame0;
+ regs->epsw = EPSW_nSL | EPSW_IE | EPSW_IM;
+ regs->pc = new_pc;
+ regs->sp = new_sp;
}
extern void release_thread(struct task_struct *);
/*
- * create a kernel thread without removing it from tasklists
- */
-extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
-
-/*
* Return saved PC of a blocked thread.
*/
extern unsigned long thread_saved_pc(struct task_struct *tsk);