Subject: [RFC v5 03/17] iommu: introduce a reserved iova cookie

From: [email-masked] (Julien Grall)
Date: Thu, 3 Mar 2016 16:26:31 +0000

Hi Eric,

On 01/03/16 18:27, Eric Auger wrote:
> diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
> index 0e3b009..7b2bb94 100644
> --- a/drivers/iommu/iommu.c
> +++ b/drivers/iommu/iommu.c
> @@ -1072,6 +1072,7 @@ static struct iommu_domain *__iommu_domain_alloc(struct bus_type *bus,
>
>   	domain->ops  = bus->iommu_ops;
>   	domain->type = type;
> +	mutex_init(&domain->reserved_mutex);

For consistency, the RB-tree reserved_binding_list should be initialized 
too:

domain->reserved_binding_list = RB_ROOT;

Cheers,

-- 
Julien Grall