The basic flow for iommu_group_for_dev is:
iommu_group_get_for_dev
|-> iommu_group_get : increase reference count by 1.
return group;
|-> ops->device_group : Init/increase reference count to/by 1.
iommu_group_add_device : Increase reference count by
Hi Will,
On Fri, Nov 06, 2015 at 12:23:39PM +, Will Deacon wrote:
>On Wed, Nov 04, 2015 at 10:48:28AM +0800, Peng Fan wrote:
>> On Tue, Nov 03, 2015 at 01:17:34PM +, Will Deacon wrote:
>> >On Tue, Nov 03, 2015 at 08:59:17PM +0800, Peng Fan wrote:
>> >> iommu_group_alloc will initialize
