Re: [PATCH v7 05/11] iommu/vt-d: Move domain helper to header

[Lu Baolu]

HI,

On 10/25/19 3:54 AM, Jacob Pan wrote:
> Move domain helper to header to be used by SVA code.
>
> Signed-off-by: Jacob Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
> Reviewed-by: Eric Auger <eric.auger@xxxxxxxxxx>

This patch looks good to me.

Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>

Best regards,
baolu

> ---
>   drivers/iommu/intel-iommu.c | 6 ------
>   include/linux/intel-iommu.h | 6 ++++++
>   2 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
> index 2ea09b988a23..acd1ac787d8b 100644
> --- a/drivers/iommu/intel-iommu.c
> +++ b/drivers/iommu/intel-iommu.c
> @@ -428,12 +428,6 @@ static void init_translation_status(struct intel_iommu *iommu)
>   		iommu->flags |= VTD_FLAG_TRANS_PRE_ENABLED;
>   }
>   
> -/* Convert generic 'struct iommu_domain to private struct dmar_domain */
> -static struct dmar_domain *to_dmar_domain(struct iommu_domain *dom)
> -{
> -	return container_of(dom, struct dmar_domain, domain);
> -}
> -
>   static int __init intel_iommu_setup(char *str)
>   {
>   	if (!str)
> diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
> index c624733cb2e6..3dba6ad3e9ad 100644
> --- a/include/linux/intel-iommu.h
> +++ b/include/linux/intel-iommu.h
> @@ -594,6 +594,12 @@ static inline void __iommu_flush_cache(
>   		clflush_cache_range(addr, size);
>   }
>   
> +/* Convert generic struct iommu_domain to private struct dmar_domain */
> +static inline struct dmar_domain *to_dmar_domain(struct iommu_domain *dom)
> +{
> +	return container_of(dom, struct dmar_domain, domain);
> +}
> +
>   /*
>    * 0: readable
>    * 1: writable