diff options
Diffstat (limited to 'arch/hexagon/include/asm')
| -rw-r--r-- | arch/hexagon/include/asm/pgalloc.h | 36 | ||||
| -rw-r--r-- | arch/hexagon/include/asm/pgtable.h | 3 | ||||
| -rw-r--r-- | arch/hexagon/include/asm/syscall.h | 14 |
3 files changed, 16 insertions, 37 deletions
diff --git a/arch/hexagon/include/asm/pgalloc.h b/arch/hexagon/include/asm/pgalloc.h index 3c9e1bd9a3e9..cc9be514a676 100644 --- a/arch/hexagon/include/asm/pgalloc.h +++ b/arch/hexagon/include/asm/pgalloc.h @@ -11,7 +11,7 @@ #include <asm/mem-layout.h> #include <asm/atomic.h> -#define check_pgt_cache() do {} while (0) +#include <asm-generic/pgalloc.h> /* for pte_{alloc,free}_one */ extern unsigned long long kmap_generation; @@ -46,38 +46,6 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) free_page((unsigned long) pgd); } -static inline struct page *pte_alloc_one(struct mm_struct *mm) -{ - struct page *pte; - - pte = alloc_page(GFP_KERNEL | __GFP_ZERO); - if (!pte) - return NULL; - if (!pgtable_page_ctor(pte)) { - __free_page(pte); - return NULL; - } - return pte; -} - -/* _kernel variant gets to use a different allocator */ -static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm) -{ - gfp_t flags = GFP_KERNEL | __GFP_ZERO; - return (pte_t *) __get_free_page(flags); -} - -static inline void pte_free(struct mm_struct *mm, struct page *pte) -{ - pgtable_page_dtor(pte); - __free_page(pte); -} - -static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) -{ - free_page((unsigned long)pte); -} - static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, pgtable_t pte) { @@ -126,7 +94,7 @@ static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, #define __pte_free_tlb(tlb, pte, addr) \ do { \ - pgtable_page_dtor((pte)); \ + pgtable_pte_page_dtor((pte)); \ tlb_remove_page((tlb), (pte)); \ } while (0) diff --git a/arch/hexagon/include/asm/pgtable.h b/arch/hexagon/include/asm/pgtable.h index a3ff6d24c09e..2fec20ad939e 100644 --- a/arch/hexagon/include/asm/pgtable.h +++ b/arch/hexagon/include/asm/pgtable.h @@ -431,9 +431,6 @@ static inline int pte_exec(pte_t pte) #define __pte_offset(address) (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)) -/* I think this is in case we have page table caches; needed by init/main.c */ -#define pgtable_cache_init() do { } while (0) - /* * Swap/file PTE definitions. If _PAGE_PRESENT is zero, the rest of the PTE is * interpreted as swap information. The remaining free bits are interpreted as diff --git a/arch/hexagon/include/asm/syscall.h b/arch/hexagon/include/asm/syscall.h index 4f054b1ddef5..f6e454f18038 100644 --- a/arch/hexagon/include/asm/syscall.h +++ b/arch/hexagon/include/asm/syscall.h @@ -9,6 +9,8 @@ #define _ASM_HEXAGON_SYSCALL_H #include <uapi/linux/audit.h> +#include <linux/err.h> +#include <asm/ptrace.h> typedef long (*syscall_fn)(unsigned long, unsigned long, unsigned long, unsigned long, @@ -31,6 +33,18 @@ static inline void syscall_get_arguments(struct task_struct *task, memcpy(args, &(®s->r00)[0], 6 * sizeof(args[0])); } +static inline long syscall_get_error(struct task_struct *task, + struct pt_regs *regs) +{ + return IS_ERR_VALUE(regs->r00) ? regs->r00 : 0; +} + +static inline long syscall_get_return_value(struct task_struct *task, + struct pt_regs *regs) +{ + return regs->r00; +} + static inline int syscall_get_arch(struct task_struct *task) { return AUDIT_ARCH_HEXAGON; |