Contributors: 13
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Andi Kleen |
74 |
56.92% |
5 |
26.32% |
| Rafael J. Wysocki |
18 |
13.85% |
2 |
10.53% |
| Konrad Rzeszutek Wilk |
8 |
6.15% |
1 |
5.26% |
| Andrew Lutomirski |
7 |
5.38% |
2 |
10.53% |
| Ondrej Zary |
6 |
4.62% |
1 |
5.26% |
| Vivek Goyal |
4 |
3.08% |
1 |
5.26% |
| Chen Yu |
4 |
3.08% |
1 |
5.26% |
| H. Peter Anvin |
3 |
2.31% |
1 |
5.26% |
| Kees Cook |
2 |
1.54% |
1 |
5.26% |
| Greg Kroah-Hartman |
1 |
0.77% |
1 |
5.26% |
| Matthieu Baerts |
1 |
0.77% |
1 |
5.26% |
| Jan Beulich |
1 |
0.77% |
1 |
5.26% |
| Ingo Molnar |
1 |
0.77% |
1 |
5.26% |
| Total |
130 |
|
19 |
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright 2001-2003 Pavel Machek <pavel@suse.cz>
* Based on code
* Copyright 2001 Patrick Mochel <mochel@osdl.org>
*/
#ifndef _ASM_X86_SUSPEND_64_H
#define _ASM_X86_SUSPEND_64_H
#include <asm/desc.h>
#include <asm/fpu/api.h>
/*
* Image of the saved processor state, used by the low level ACPI suspend to
* RAM code and by the low level hibernation code.
*
* If you modify it, check how it is used in arch/x86/kernel/acpi/wakeup_64.S
* and make sure that __save/__restore_processor_state(), defined in
* arch/x86/power/cpu.c, still work as required.
*
* Because the structure is packed, make sure to avoid unaligned members. For
* optimisation purposes but also because tools like kmemleak only search for
* pointers that are aligned.
*/
struct saved_context {
struct pt_regs regs;
/*
* User CS and SS are saved in current_pt_regs(). The rest of the
* segment selectors need to be saved and restored here.
*/
u16 ds, es, fs, gs;
/*
* Usermode FSBASE and GSBASE may not match the fs and gs selectors,
* so we save them separately. We save the kernelmode GSBASE to
* restore percpu access after resume.
*/
unsigned long kernelmode_gs_base, usermode_gs_base, fs_base;
unsigned long cr0, cr2, cr3, cr4;
u64 misc_enable;
struct saved_msrs saved_msrs;
unsigned long efer;
u16 gdt_pad; /* Unused */
struct desc_ptr gdt_desc;
u16 idt_pad;
struct desc_ptr idt;
u16 ldt;
u16 tss;
unsigned long tr;
unsigned long safety;
unsigned long return_address;
bool misc_enable_saved;
} __attribute__((packed));
#define loaddebug(thread,register) \
set_debugreg((thread)->debugreg##register, register)
/* routines for saving/restoring kernel state */
extern char core_restore_code[];
extern char restore_registers[];
#endif /* _ASM_X86_SUSPEND_64_H */