return VM_FAULT_NOPAGE;
}
+ if (bdev->driver->fault_reserve_notify)
+ bdev->driver->fault_reserve_notify(bo);
+
/*
* Wait for buffer data in transit, due to a pipelined
* move.
ret = ttm_bo_wait(bo, false, true, false);
spin_unlock(&bo->lock);
if (unlikely(ret != 0)) {
- retval = (ret != -ERESTART) ?
+ retval = (ret != -ERESTARTSYS) ?
VM_FAULT_SIGBUS : VM_FAULT_NOPAGE;
goto out_unlock;
}
vma->vm_private_data = NULL;
}
-static struct vm_operations_struct ttm_bo_vm_ops = {
+static const struct vm_operations_struct ttm_bo_vm_ops = {
.fault = ttm_bo_vm_fault,
.open = ttm_bo_vm_open,
.close = ttm_bo_vm_close
return -EFAULT;
driver = bo->bdev->driver;
- if (unlikely(driver->verify_access)) {
+ if (unlikely(!driver->verify_access)) {
ret = -EPERM;
goto out_unref;
}
goto out_unref;
kmap_offset = dev_offset - bo->vm_node->start;
- if (unlikely(kmap_offset) >= bo->num_pages) {
+ if (unlikely(kmap_offset >= bo->num_pages)) {
ret = -EFBIG;
goto out_unref;
}
switch (ret) {
case 0:
break;
- case -ERESTART:
- ret = -EINTR;
- goto out_unref;
case -EBUSY:
ret = -EAGAIN;
goto out_unref;
bool dummy;
kmap_offset = (*f_pos >> PAGE_SHIFT);
- if (unlikely(kmap_offset) >= bo->num_pages)
+ if (unlikely(kmap_offset >= bo->num_pages))
return -EFBIG;
page_offset = *f_pos & ~PAGE_MASK;
switch (ret) {
case 0:
break;
- case -ERESTART:
- return -EINTR;
case -EBUSY:
return -EAGAIN;
default: