1/*
 2 *  linux/arch/cris/kernel/ptrace.c
 3 *
 4 * Parts taken from the m68k port.
 5 *
 6 * Copyright (c) 2000, 2001, 2002 Axis Communications AB
 7 *
 8 * Authors:   Bjorn Wesen
 9 *
10 */
11
12#include <linux/kernel.h>
13#include <linux/sched.h>
14#include <linux/mm.h>
15#include <linux/smp.h>
16#include <linux/errno.h>
17#include <linux/ptrace.h>
18#include <linux/user.h>
19#include <linux/tracehook.h>
20
21#include <asm/uaccess.h>
22#include <asm/page.h>
23#include <asm/pgtable.h>
24#include <asm/system.h>
25#include <asm/processor.h>
26
27
28/* notification of userspace execution resumption
29 * - triggered by current->work.notify_resume
30 */
31extern int do_signal(int canrestart, struct pt_regs *regs);
32
33
34void do_notify_resume(int canrestart, struct pt_regs *regs,
35		      __u32 thread_info_flags)
36{
37	/* deal with pending signal delivery */
38	if (thread_info_flags & _TIF_SIGPENDING)
39		do_signal(canrestart,regs);
40
41	if (thread_info_flags & _TIF_NOTIFY_RESUME) {
42		clear_thread_flag(TIF_NOTIFY_RESUME);
43		tracehook_notify_resume(regs);
44		if (current->replacement_session_keyring)
45			key_replace_session_keyring();
46	}
47}