1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
2 /* 2 /*
3 * hibernate.c: Hibernaton support specific f 3 * hibernate.c: Hibernaton support specific for sparc64.
4 * 4 *
5 * Copyright (C) 2013 Kirill V Tkhai (tkhai@ya 5 * Copyright (C) 2013 Kirill V Tkhai (tkhai@yandex.ru)
6 */ 6 */
7 7
8 #include <linux/suspend.h> 8 #include <linux/suspend.h>
9 #include <linux/mm.h> 9 #include <linux/mm.h>
10 10
11 #include <asm/hibernate.h> 11 #include <asm/hibernate.h>
12 #include <asm/visasm.h> 12 #include <asm/visasm.h>
13 #include <asm/page.h> 13 #include <asm/page.h>
14 #include <asm/sections.h> 14 #include <asm/sections.h>
15 #include <asm/tlb.h> 15 #include <asm/tlb.h>
16 16
17 struct saved_context saved_context; 17 struct saved_context saved_context;
18 18
19 /* 19 /*
20 * pfn_is_nosave - check if given pfn is 20 * pfn_is_nosave - check if given pfn is in the 'nosave' section
21 */ 21 */
22 22
23 int pfn_is_nosave(unsigned long pfn) 23 int pfn_is_nosave(unsigned long pfn)
24 { 24 {
25 unsigned long nosave_begin_pfn = PFN_D 25 unsigned long nosave_begin_pfn = PFN_DOWN((unsigned long)&__nosave_begin);
26 unsigned long nosave_end_pfn = PFN_DOW 26 unsigned long nosave_end_pfn = PFN_DOWN((unsigned long)&__nosave_end);
27 27
28 return (pfn >= nosave_begin_pfn) && (p 28 return (pfn >= nosave_begin_pfn) && (pfn < nosave_end_pfn);
29 } 29 }
30 30
31 void save_processor_state(void) 31 void save_processor_state(void)
32 { 32 {
33 save_and_clear_fpu(); 33 save_and_clear_fpu();
34 } 34 }
35 35
36 void restore_processor_state(void) 36 void restore_processor_state(void)
37 { 37 {
38 struct mm_struct *mm = current->active 38 struct mm_struct *mm = current->active_mm;
39 39
40 tsb_context_switch_ctx(mm, CTX_HWBITS( 40 tsb_context_switch_ctx(mm, CTX_HWBITS(mm->context));
41 } 41 }
42 42
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