diff options
Diffstat (limited to 'arch/nios2')
| -rw-r--r-- | arch/nios2/include/asm/tlbflush.h | 13 | ||||
| -rw-r--r-- | arch/nios2/mm/fault.c | 2 | ||||
| -rw-r--r-- | arch/nios2/mm/tlb.c | 18 |
3 files changed, 19 insertions, 14 deletions
diff --git a/arch/nios2/include/asm/tlbflush.h b/arch/nios2/include/asm/tlbflush.h index e19652fca1c6..982a7ecf221f 100644 --- a/arch/nios2/include/asm/tlbflush.h +++ b/arch/nios2/include/asm/tlbflush.h @@ -26,21 +26,26 @@ struct mm_struct; * * - flush_tlb_all() flushes all processes TLB entries * - flush_tlb_mm(mm) flushes the specified mm context TLB entries - * - flush_tlb_page(vma, vmaddr) flushes one page * - flush_tlb_range(vma, start, end) flushes a range of pages + * - flush_tlb_page(vma, address) flushes a page * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages + * - flush_tlb_kernel_page(address) flushes a kernel page */ extern void flush_tlb_all(void); extern void flush_tlb_mm(struct mm_struct *mm); extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, unsigned long end); extern void flush_tlb_kernel_range(unsigned long start, unsigned long end); -extern void flush_tlb_one(unsigned long vaddr); static inline void flush_tlb_page(struct vm_area_struct *vma, - unsigned long addr) + unsigned long address) { - flush_tlb_one(addr); + flush_tlb_range(vma, address, address + PAGE_SIZE); +} + +static inline void flush_tlb_kernel_page(unsigned long address) +{ + flush_tlb_kernel_range(address, address + PAGE_SIZE); } #endif /* _ASM_NIOS2_TLBFLUSH_H */ diff --git a/arch/nios2/mm/fault.c b/arch/nios2/mm/fault.c index 24fd84cf6006..cf76fa3f457b 100644 --- a/arch/nios2/mm/fault.c +++ b/arch/nios2/mm/fault.c @@ -271,7 +271,7 @@ vmalloc_fault: if (!pte_present(*pte_k)) goto no_context; - flush_tlb_one(address); + flush_tlb_kernel_page(address); return; } } diff --git a/arch/nios2/mm/tlb.c b/arch/nios2/mm/tlb.c index cf10326aab1c..99e047082993 100644 --- a/arch/nios2/mm/tlb.c +++ b/arch/nios2/mm/tlb.c @@ -102,19 +102,11 @@ void flush_tlb_range(struct vm_area_struct *vma, unsigned long start, } } -void flush_tlb_kernel_range(unsigned long start, unsigned long end) -{ - while (start < end) { - flush_tlb_one(start); - start += PAGE_SIZE; - } -} - /* * This one is only used for pages with the global bit set so we don't care * much about the ASID. */ -void flush_tlb_one(unsigned long addr) +static void flush_tlb_one(unsigned long addr) { unsigned int way; unsigned long org_misc, pid_misc; @@ -154,6 +146,14 @@ void flush_tlb_one(unsigned long addr) WRCTL(CTL_TLBMISC, org_misc); } +void flush_tlb_kernel_range(unsigned long start, unsigned long end) +{ + while (start < end) { + flush_tlb_one(start); + start += PAGE_SIZE; + } +} + void dump_tlb_line(unsigned long line) { unsigned int way; |