diff options
Diffstat (limited to 'arch/um/kernel/tlb.c')
| -rw-r--r-- | arch/um/kernel/tlb.c | 14 |
1 files changed, 4 insertions, 10 deletions
diff --git a/arch/um/kernel/tlb.c b/arch/um/kernel/tlb.c index 61776790cd67..bc38f79ca3a3 100644 --- a/arch/um/kernel/tlb.c +++ b/arch/um/kernel/tlb.c @@ -162,9 +162,6 @@ static int add_munmap(unsigned long addr, unsigned long len, struct host_vm_op *last; int ret = 0; - if ((addr >= STUB_START) && (addr < STUB_END)) - return -EINVAL; - if (hvc->index != 0) { last = &hvc->ops[hvc->index - 1]; if ((last->type == MUNMAP) && @@ -226,9 +223,6 @@ static inline int update_pte_range(pmd_t *pmd, unsigned long addr, pte = pte_offset_kernel(pmd, addr); do { - if ((addr >= STUB_START) && (addr < STUB_END)) - continue; - r = pte_read(*pte); w = pte_write(*pte); x = pte_exec(*pte); @@ -346,12 +340,11 @@ void fix_range_common(struct mm_struct *mm, unsigned long start_addr, /* This is not an else because ret is modified above */ if (ret) { + struct mm_id *mm_idp = ¤t->mm->context.id; + printk(KERN_ERR "fix_range_common: failed, killing current " "process: %d\n", task_tgid_vnr(current)); - /* We are under mmap_lock, release it such that current can terminate */ - mmap_write_unlock(current->mm); - force_sig(SIGKILL); - do_signal(¤t->thread.regs); + mm_idp->kill = 1; } } @@ -472,6 +465,7 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long address) struct mm_id *mm_id; address &= PAGE_MASK; + pgd = pgd_offset(mm, address); if (!pgd_present(*pgd)) goto kill; |