1// SPDX-License-Identifier: GPL-2.0-only
2
3#include <linux/mm.h>
4#include <linux/suspend.h>
5#include <asm/coprocessor.h>
6
7int pfn_is_nosave(unsigned long pfn)
8{
9	unsigned long nosave_begin_pfn = PFN_DOWN(__pa(&__nosave_begin));
10	unsigned long nosave_end_pfn = PFN_UP(__pa(&__nosave_end));
11
12	return	(pfn >= nosave_begin_pfn) && (pfn < nosave_end_pfn);
13}
14
15void notrace save_processor_state(void)
16{
17	WARN_ON(num_online_cpus() != 1);
18#if XTENSA_HAVE_COPROCESSORS
19	local_coprocessors_flush_release_all();
20#endif
21}
22
23void notrace restore_processor_state(void)
24{
25}
26