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

Eric Auger eric.auger at linaro.org
Tue Mar 29 10:26:25 PDT 2016


Hi Julien,
On 03/03/2016 05:26 PM, Julien Grall wrote:
> 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;
Sure

Thank you

Eric
> 
> Cheers,
> 




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