diff options
Diffstat (limited to 'arch/score/mm')
| -rw-r--r-- | arch/score/mm/fault.c | 13 | ||||
| -rw-r--r-- | arch/score/mm/tlb-score.c | 2 |
2 files changed, 7 insertions, 8 deletions
diff --git a/arch/score/mm/fault.c b/arch/score/mm/fault.c index 6b18fb0189a..52238983527 100644 --- a/arch/score/mm/fault.c +++ b/arch/score/mm/fault.c @@ -47,6 +47,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long write, struct task_struct *tsk = current; struct mm_struct *mm = tsk->mm; const int field = sizeof(unsigned long) * 2; + unsigned long flags = 0; siginfo_t info; int fault; @@ -75,6 +76,9 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long write, if (in_atomic() || !mm) goto bad_area_nosemaphore; + if (user_mode(regs)) + flags |= FAULT_FLAG_USER; + down_read(&mm->mmap_sem); vma = find_vma(mm, address); if (!vma) @@ -95,18 +99,18 @@ good_area: if (write) { if (!(vma->vm_flags & VM_WRITE)) goto bad_area; + flags |= FAULT_FLAG_WRITE; } else { if (!(vma->vm_flags & (VM_READ | VM_WRITE | VM_EXEC))) goto bad_area; } -survive: /* * If for any reason at all we couldn't handle the fault, * make sure we exit gracefully rather than endlessly redo * the fault. */ - fault = handle_mm_fault(mm, vma, address, write); + fault = handle_mm_fault(mm, vma, address, flags); if (unlikely(fault & VM_FAULT_ERROR)) { if (fault & VM_FAULT_OOM) goto out_of_memory; @@ -167,11 +171,6 @@ no_context: */ out_of_memory: up_read(&mm->mmap_sem); - if (is_global_init(tsk)) { - yield(); - down_read(&mm->mmap_sem); - goto survive; - } if (!user_mode(regs)) goto no_context; pagefault_out_of_memory(); diff --git a/arch/score/mm/tlb-score.c b/arch/score/mm/tlb-score.c index 6fdb100244c..004073717de 100644 --- a/arch/score/mm/tlb-score.c +++ b/arch/score/mm/tlb-score.c @@ -240,7 +240,7 @@ void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte) local_irq_restore(flags); } -void __cpuinit tlb_init(void) +void tlb_init(void) { tlblock_set(0); local_flush_tlb_all(); |