diff mbox series

[v3,1/5] iommu: Add DOMAIN_ATTR_SPLIT_TABLES

Message ID 1576514271-15687-2-git-send-email-jcrouse@codeaurora.org (mailing list archive)
State Superseded
Headers show
Series iommu/arm-smmu: Split pagetable support for arm-smmu-v2 | expand

Commit Message

Jordan Crouse Dec. 16, 2019, 4:37 p.m. UTC 
Add a new attribute to enable and query the state of split pagetables
for the domain.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
---

 include/linux/iommu.h | 1 +
 1 file changed, 1 insertion(+)

Comments

Will Deacon Jan. 9, 2020, 2:36 p.m. UTC | #1 
On Mon, Dec 16, 2019 at 09:37:47AM -0700, Jordan Crouse wrote:
> Add a new attribute to enable and query the state of split pagetables
> for the domain.
> 
> Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
> ---
> 
>  include/linux/iommu.h | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/include/linux/iommu.h b/include/linux/iommu.h
> index f2223cb..18c861e 100644
> --- a/include/linux/iommu.h
> +++ b/include/linux/iommu.h
> @@ -126,6 +126,7 @@ enum iommu_attr {
>  	DOMAIN_ATTR_FSL_PAMUV1,
>  	DOMAIN_ATTR_NESTING,	/* two stages of translation */
>  	DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE,
> +	DOMAIN_ATTR_SPLIT_TABLES,
>  	DOMAIN_ATTR_MAX,
>  };

Acked-by: Will Deacon <will@kernel.org>

Although a comment describing what this does wouldn't hurt.

Will
diff mbox series

Patch

diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index f2223cb..18c861e 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -126,6 +126,7 @@  enum iommu_attr {
 	DOMAIN_ATTR_FSL_PAMUV1,
 	DOMAIN_ATTR_NESTING,	/* two stages of translation */
 	DOMAIN_ATTR_DMA_USE_FLUSH_QUEUE,
+	DOMAIN_ATTR_SPLIT_TABLES,
 	DOMAIN_ATTR_MAX,
 };