| // SPDX-License-Identifier: GPL-2.0-only |
| |
| #include <linux/mm.h> |
| #include <linux/suspend.h> |
| #include <asm/coprocessor.h> |
| |
| int pfn_is_nosave(unsigned long pfn) |
| { |
| unsigned long nosave_begin_pfn = PFN_DOWN(__pa(&__nosave_begin)); |
| unsigned long nosave_end_pfn = PFN_UP(__pa(&__nosave_end)); |
| |
| return (pfn >= nosave_begin_pfn) && (pfn < nosave_end_pfn); |
| } |
| |
| void notrace save_processor_state(void) |
| { |
| WARN_ON(num_online_cpus() != 1); |
| #if XTENSA_HAVE_COPROCESSORS |
| local_coprocessors_flush_release_all(); |
| #endif |
| } |
| |
| void notrace restore_processor_state(void) |
| { |
| } |
