// 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) { }