aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/include
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/include')
-rw-r--r--arch/arm/include/asm/idmap.h17
-rw-r--r--arch/arm/include/asm/pgtable.h3
2 files changed, 17 insertions, 3 deletions
diff --git a/arch/arm/include/asm/idmap.h b/arch/arm/include/asm/idmap.h
new file mode 100644
index 000000000000..62e3d19c9ad7
--- /dev/null
+++ b/arch/arm/include/asm/idmap.h
@@ -0,0 +1,17 @@
1#ifndef __ASM_IDMAP_H
2#define __ASM_IDMAP_H
3
4#include <linux/compiler.h>
5#include <asm/pgtable.h>
6
7/* Tag a function as requiring to be executed via an identity mapping. */
8#define __idmap __section(.idmap.text) noinline notrace
9
10extern pgd_t *idmap_pgd;
11
12void identity_mapping_add(pgd_t *, unsigned long, unsigned long);
13void identity_mapping_del(pgd_t *, unsigned long, unsigned long);
14
15void setup_mm_for_reboot(void);
16
17#endif /* __ASM_IDMAP_H */
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index 9451dce3a553..03893a55e680 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -346,9 +346,6 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
346 346
347#define pgtable_cache_init() do { } while (0) 347#define pgtable_cache_init() do { } while (0)
348 348
349void identity_mapping_add(pgd_t *, unsigned long, unsigned long);
350void identity_mapping_del(pgd_t *, unsigned long, unsigned long);
351
352#endif /* !__ASSEMBLY__ */ 349#endif /* !__ASSEMBLY__ */
353 350
354#endif /* CONFIG_MMU */ 351#endif /* CONFIG_MMU */