Re: [PATCH v2 2/9] iommu/ioasid: Rename ioasid_set_data()

From: Auger Eric
Date: Tue Sep 01 2020 - 08:04:20 EST


Hi jacob,

On 8/22/20 6:35 AM, Jacob Pan wrote:
> Rename ioasid_set_data() to ioasid_attach_data() to avoid confusion with
> struct ioasid_set. ioasid_set is a group of IOASIDs that share a common
> token.
>
> Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
Reviewed-by: Eric Auger <eric.auger@xxxxxxxxxx>

Eric
> ---
> drivers/iommu/intel/svm.c | 6 +++---
> drivers/iommu/ioasid.c | 6 +++---
> include/linux/ioasid.h | 4 ++--
> 3 files changed, 8 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/iommu/intel/svm.c b/drivers/iommu/intel/svm.c
> index b6972dca2ae0..37a9beabc0ca 100644
> --- a/drivers/iommu/intel/svm.c
> +++ b/drivers/iommu/intel/svm.c
> @@ -342,7 +342,7 @@ int intel_svm_bind_gpasid(struct iommu_domain *domain, struct device *dev,
> svm->gpasid = data->gpasid;
> svm->flags |= SVM_FLAG_GUEST_PASID;
> }
> - ioasid_set_data(data->hpasid, svm);
> + ioasid_attach_data(data->hpasid, svm);
> INIT_LIST_HEAD_RCU(&svm->devs);
> mmput(svm->mm);
> }
> @@ -394,7 +394,7 @@ int intel_svm_bind_gpasid(struct iommu_domain *domain, struct device *dev,
> list_add_rcu(&sdev->list, &svm->devs);
> out:
> if (!IS_ERR_OR_NULL(svm) && list_empty(&svm->devs)) {
> - ioasid_set_data(data->hpasid, NULL);
> + ioasid_attach_data(data->hpasid, NULL);
> kfree(svm);
> }
>
> @@ -437,7 +437,7 @@ int intel_svm_unbind_gpasid(struct device *dev, int pasid)
> * the unbind, IOMMU driver will get notified
> * and perform cleanup.
> */
> - ioasid_set_data(pasid, NULL);
> + ioasid_attach_data(pasid, NULL);
> kfree(svm);
> }
> }
> diff --git a/drivers/iommu/ioasid.c b/drivers/iommu/ioasid.c
> index 0f8dd377aada..5f63af07acd5 100644
> --- a/drivers/iommu/ioasid.c
> +++ b/drivers/iommu/ioasid.c
> @@ -258,14 +258,14 @@ void ioasid_unregister_allocator(struct ioasid_allocator_ops *ops)
> EXPORT_SYMBOL_GPL(ioasid_unregister_allocator);
>
> /**
> - * ioasid_set_data - Set private data for an allocated ioasid
> + * ioasid_attach_data - Set private data for an allocated ioasid
> * @ioasid: the ID to set data
> * @data: the private data
> *
> * For IOASID that is already allocated, private data can be set
> * via this API. Future lookup can be done via ioasid_find.
> */
> -int ioasid_set_data(ioasid_t ioasid, void *data)
> +int ioasid_attach_data(ioasid_t ioasid, void *data)
> {
> struct ioasid_data *ioasid_data;
> int ret = 0;
> @@ -287,7 +287,7 @@ int ioasid_set_data(ioasid_t ioasid, void *data)
>
> return ret;
> }
> -EXPORT_SYMBOL_GPL(ioasid_set_data);
> +EXPORT_SYMBOL_GPL(ioasid_attach_data);
>
> /**
> * ioasid_alloc - Allocate an IOASID
> diff --git a/include/linux/ioasid.h b/include/linux/ioasid.h
> index 6f000d7a0ddc..9c44947a68c8 100644
> --- a/include/linux/ioasid.h
> +++ b/include/linux/ioasid.h
> @@ -39,7 +39,7 @@ void *ioasid_find(struct ioasid_set *set, ioasid_t ioasid,
> bool (*getter)(void *));
> int ioasid_register_allocator(struct ioasid_allocator_ops *allocator);
> void ioasid_unregister_allocator(struct ioasid_allocator_ops *allocator);
> -int ioasid_set_data(ioasid_t ioasid, void *data);
> +int ioasid_attach_data(ioasid_t ioasid, void *data);
>
> #else /* !CONFIG_IOASID */
> static inline ioasid_t ioasid_alloc(struct ioasid_set *set, ioasid_t min,
> @@ -67,7 +67,7 @@ static inline void ioasid_unregister_allocator(struct ioasid_allocator_ops *allo
> {
> }
>
> -static inline int ioasid_set_data(ioasid_t ioasid, void *data)
> +static inline int ioasid_attach_data(ioasid_t ioasid, void *data)
> {
> return -ENOTSUPP;
> }
>