Contributors: 13
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Catalin Marinas |
47 |
23.86% |
2 |
7.41% |
| Ard Biesheuvel |
42 |
21.32% |
5 |
18.52% |
| Will Deacon |
39 |
19.80% |
9 |
33.33% |
| Mark Brown |
18 |
9.14% |
2 |
7.41% |
| Jun Yao |
8 |
4.06% |
1 |
3.70% |
| David Daney |
7 |
3.55% |
1 |
3.70% |
| Mark Salter |
7 |
3.55% |
1 |
3.70% |
| Hsin-Yi, Wang |
7 |
3.55% |
1 |
3.70% |
| Jean-Philippe Brucker |
6 |
3.05% |
1 |
3.70% |
| Yury Norov |
5 |
2.54% |
1 |
3.70% |
| James Morse |
5 |
2.54% |
1 |
3.70% |
| Pratyush Anand |
4 |
2.03% |
1 |
3.70% |
| Thomas Gleixner |
2 |
1.02% |
1 |
3.70% |
| Total |
197 |
|
27 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2012 ARM Ltd.
*/
#ifndef __ASM_MMU_H
#define __ASM_MMU_H
#include <asm/cputype.h>
#define MMCF_AARCH32 0x1 /* mm context flag for AArch32 executables */
#define USER_ASID_BIT 48
#define USER_ASID_FLAG (UL(1) << USER_ASID_BIT)
#define TTBR_ASID_MASK (UL(0xffff) << 48)
#ifndef __ASSEMBLY__
#include <linux/refcount.h>
typedef struct {
atomic64_t id;
#ifdef CONFIG_COMPAT
void *sigpage;
#endif
refcount_t pinned;
void *vdso;
unsigned long flags;
} mm_context_t;
/*
* This macro is only used by the TLBI and low-level switch_mm() code,
* neither of which can race with an ASID change. We therefore don't
* need to reload the counter using atomic64_read().
*/
#define ASID(mm) ((mm)->context.id.counter & 0xffff)
static inline bool arm64_kernel_unmapped_at_el0(void)
{
return cpus_have_const_cap(ARM64_UNMAP_KERNEL_AT_EL0);
}
extern void arm64_memblock_init(void);
extern void paging_init(void);
extern void bootmem_init(void);
extern void __iomem *early_io_map(phys_addr_t phys, unsigned long virt);
extern void init_mem_pgprot(void);
extern void create_pgd_mapping(struct mm_struct *mm, phys_addr_t phys,
unsigned long virt, phys_addr_t size,
pgprot_t prot, bool page_mappings_only);
extern void *fixmap_remap_fdt(phys_addr_t dt_phys, int *size, pgprot_t prot);
extern void mark_linear_text_alias_ro(void);
extern bool kaslr_requires_kpti(void);
#define INIT_MM_CONTEXT(name) \
.pgd = init_pg_dir,
#endif /* !__ASSEMBLY__ */
#endif