Contributors: 10
Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
Alexander Duyck |
139 |
58.40% |
3 |
23.08% |
Borislav Petkov |
60 |
25.21% |
1 |
7.69% |
Kirill A. Shutemov |
15 |
6.30% |
1 |
7.69% |
Andrew Lutomirski |
9 |
3.78% |
2 |
15.38% |
Andi Kleen |
4 |
1.68% |
1 |
7.69% |
H. Peter Anvin |
3 |
1.26% |
1 |
7.69% |
Jeremy Fitzhardinge |
3 |
1.26% |
1 |
7.69% |
Alexey Dobriyan |
2 |
0.84% |
1 |
7.69% |
David Woodhouse |
2 |
0.84% |
1 |
7.69% |
Greg Kroah-Hartman |
1 |
0.42% |
1 |
7.69% |
Total |
238 |
|
13 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_PAGE_64_H
#define _ASM_X86_PAGE_64_H
#include <asm/page_64_types.h>
#ifndef __ASSEMBLY__
#include <asm/alternative.h>
/* duplicated to the one in bootmem.h */
extern unsigned long max_pfn;
extern unsigned long phys_base;
extern unsigned long page_offset_base;
extern unsigned long vmalloc_base;
extern unsigned long vmemmap_base;
static inline unsigned long __phys_addr_nodebug(unsigned long x)
{
unsigned long y = x - __START_KERNEL_map;
/* use the carry flag to determine if x was < __START_KERNEL_map */
x = y + ((x > y) ? phys_base : (__START_KERNEL_map - PAGE_OFFSET));
return x;
}
#ifdef CONFIG_DEBUG_VIRTUAL
extern unsigned long __phys_addr(unsigned long);
extern unsigned long __phys_addr_symbol(unsigned long);
#else
#define __phys_addr(x) __phys_addr_nodebug(x)
#define __phys_addr_symbol(x) \
((unsigned long)(x) - __START_KERNEL_map + phys_base)
#endif
#define __phys_reloc_hide(x) (x)
#ifdef CONFIG_FLATMEM
#define pfn_valid(pfn) ((pfn) < max_pfn)
#endif
void clear_page_orig(void *page);
void clear_page_rep(void *page);
void clear_page_erms(void *page);
static inline void clear_page(void *page)
{
alternative_call_2(clear_page_orig,
clear_page_rep, X86_FEATURE_REP_GOOD,
clear_page_erms, X86_FEATURE_ERMS,
"=D" (page),
"0" (page)
: "cc", "memory", "rax", "rcx");
}
void copy_page(void *to, void *from);
#endif /* !__ASSEMBLY__ */
#ifdef CONFIG_X86_VSYSCALL_EMULATION
# define __HAVE_ARCH_GATE_AREA 1
#endif
#endif /* _ASM_X86_PAGE_64_H */