26 lines
556 B
C
26 lines
556 B
C
|
// 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)
|
||
|
|
{
|
||
|
|
}
|