diff options
Diffstat (limited to 'arch/powerpc/include/asm/pgtable.h')
| -rw-r--r-- | arch/powerpc/include/asm/pgtable.h | 53 |
1 files changed, 29 insertions, 24 deletions
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index 2f72ad885332..d20ff2ae02f5 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -2,7 +2,7 @@ #ifndef _ASM_POWERPC_PGTABLE_H #define _ASM_POWERPC_PGTABLE_H -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #include <linux/mmdebug.h> #include <linux/mmzone.h> #include <asm/processor.h> /* For TASK_SIZE */ @@ -12,7 +12,7 @@ struct mm_struct; -#endif /* !__ASSEMBLY__ */ +#endif /* !__ASSEMBLER__ */ #ifdef CONFIG_PPC_BOOK3S #include <asm/book3s/pgtable.h> @@ -20,18 +20,6 @@ struct mm_struct; #include <asm/nohash/pgtable.h> #endif /* !CONFIG_PPC_BOOK3S */ -/* - * Protection used for kernel text. We want the debuggers to be able to - * set breakpoints anywhere, so don't write protect the kernel text - * on platforms where such control is possible. - */ -#if defined(CONFIG_KGDB) || defined(CONFIG_XMON) || defined(CONFIG_BDI_SWITCH) || \ - defined(CONFIG_KPROBES) || defined(CONFIG_DYNAMIC_FTRACE) -#define PAGE_KERNEL_TEXT PAGE_KERNEL_X -#else -#define PAGE_KERNEL_TEXT PAGE_KERNEL_ROX -#endif - /* Make modules code happy. We don't set RO yet */ #define PAGE_KERNEL_EXEC PAGE_KERNEL_X @@ -39,13 +27,15 @@ struct mm_struct; #define PAGE_AGP (PAGE_KERNEL_NC) #define HAVE_PAGE_AGP -#ifndef __ASSEMBLY__ +#ifndef __ASSEMBLER__ #define PFN_PTE_SHIFT PTE_RPN_SHIFT void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte, unsigned int nr); #define set_ptes set_ptes +void set_pte_at_unchecked(struct mm_struct *mm, unsigned long addr, + pte_t *ptep, pte_t pte); #define update_mmu_cache(vma, addr, ptep) \ update_mmu_cache_range(NULL, vma, addr, ptep, 1) @@ -53,9 +43,8 @@ void set_ptes(struct mm_struct *mm, unsigned long addr, pte_t *ptep, #define MAX_PTRS_PER_PGD PTRS_PER_PGD #endif -/* Keep these as a macros to avoid include dependency mess */ +/* Keep this as a macro to avoid include dependency mess */ #define pte_page(x) pfn_to_page(pte_pfn(x)) -#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) static inline unsigned long pte_pfn(pte_t pte) { @@ -74,6 +63,20 @@ static inline pgprot_t pte_pgprot(pte_t pte) return __pgprot(pte_flags); } +#ifdef CONFIG_PPC64 +#define pmd_pgprot pmd_pgprot +static inline pgprot_t pmd_pgprot(pmd_t pmd) +{ + return pte_pgprot(pmd_pte(pmd)); +} + +#define pud_pgprot pud_pgprot +static inline pgprot_t pud_pgprot(pud_t pud) +{ + return pte_pgprot(pud_pte(pud)); +} +#endif /* CONFIG_PPC64 */ + static inline pgprot_t pgprot_nx(pgprot_t prot) { return pte_pgprot(pte_exprotect(__pte(pgprot_val(prot)))); @@ -87,12 +90,6 @@ static inline const void *pmd_page_vaddr(pmd_t pmd) } #define pmd_page_vaddr pmd_page_vaddr #endif -/* - * ZERO_PAGE is a global shared page that is always zero: used - * for zero-mapped memory areas etc.. - */ -extern unsigned long empty_zero_page[]; -#define ZERO_PAGE(vaddr) (virt_to_page(empty_zero_page)) extern pgd_t swapper_pg_dir[]; @@ -215,6 +212,14 @@ static inline bool arch_supports_memmap_on_memory(unsigned long vmemmap_size) #endif /* CONFIG_PPC64 */ -#endif /* __ASSEMBLY__ */ +#ifndef pmd_user_accessible_page +#define pmd_user_accessible_page(mm, addr, pmd) false +#endif + +#ifndef pud_user_accessible_page +#define pud_user_accessible_page(mm, addr, pud) false +#endif + +#endif /* __ASSEMBLER__ */ #endif /* _ASM_POWERPC_PGTABLE_H */ |