Re: [PATCH v1 04/10] iommu/vt-d: Remove iova_cache_get/put()

[Lu Baolu <baolu.lu@linux.intel.com>]

On 2/7/22 6:39 PM, John Garry wrote:
> On 07/02/2022 06:41, Lu Baolu wrote:
>> diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
>> index 583ec0fa4ac1..e8d58654361c 100644
>> --- a/drivers/iommu/intel/iommu.c
>> +++ b/drivers/iommu/intel/iommu.c
>> @@ -3348,9 +3348,6 @@ static inline int iommu_devinfo_cache_init(void)
>>   static int __init iommu_init_mempool(void)
>>   {
>>       int ret;
>> -    ret = iova_cache_get();
>> -    if (ret)
>> -        return ret;
>>       ret = iommu_domain_cache_init();
>>       if (ret)
>> @@ -3362,7 +3359,6 @@ static int __init iommu_init_mempool(void)
>>       kmem_cache_destroy(iommu_domain_cache);
>>   domain_error:
> 
> nit: is this label still really required? only failures in 
> iommu_domain_cache_init() jump to it, and that can return directly now.

It will be cleaned up in the next patch.

> 
> Thanks,
> John
> 
>> -    iova_cache_put();
> 

Best regards,
baolu