return get_desc_base(&t->thread.tls_array[tls]);
}
-/*
- * This gets called before we allocate a new thread and copy
- * the current task into it.
- */
-void prepare_to_copy(struct task_struct *tsk)
-{
- unlazy_fpu(tsk);
-}
-
int copy_thread(unsigned long clone_flags, unsigned long sp,
unsigned long unused,
struct task_struct *p, struct pt_regs *regs)
current->thread.usersp = new_sp;
regs->ip = new_ip;
regs->sp = new_sp;
- percpu_write(old_rsp, new_sp);
+ this_cpu_write(old_rsp, new_sp);
regs->cs = _cs;
regs->ss = _ss;
regs->flags = X86_EFLAGS_IF;
/*
* Switch the PDA and FPU contexts.
*/
- prev->usersp = percpu_read(old_rsp);
- percpu_write(old_rsp, next->usersp);
- percpu_write(current_task, next_p);
+ prev->usersp = this_cpu_read(old_rsp);
+ this_cpu_write(old_rsp, next->usersp);
+ this_cpu_write(current_task, next_p);
- percpu_write(kernel_stack,
+ this_cpu_write(kernel_stack,
(unsigned long)task_stack_page(next_p) +
THREAD_SIZE - KERNEL_STACK_OFFSET);
current_thread_info()->status |= TS_COMPAT;
}
}
+EXPORT_SYMBOL_GPL(set_personality_ia32);
unsigned long get_wchan(struct task_struct *p)
{