diff mbox series

[iommufd,v3,9/9] iommu: Remove IOMMU_CAP_INTR_REMAP

Message ID 9-v3-3313bb5dd3a3+10f11-secure_msi_jgg@nvidia.com (mailing list archive)
State New, archived
Headers show
Series Remove IOMMU_CAP_INTR_REMAP | expand

Commit Message

Jason Gunthorpe Jan. 5, 2023, 7:33 p.m. UTC 
No iommu driver implements this any more, get rid of it.

Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---
 drivers/iommu/iommu.c | 4 +---
 include/linux/iommu.h | 1 -
 2 files changed, 1 insertion(+), 4 deletions(-)

Comments

Baolu Lu Jan. 6, 2023, 11:45 a.m. UTC | #1 
On 1/6/2023 3:33 AM, Jason Gunthorpe wrote:
> No iommu driver implements this any more, get rid of it.
> 
> Tested-by: Matthew Rosato <mjrosato@linux.ibm.com>
> Reviewed-by: Kevin Tian <kevin.tian@intel.com>
> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
> ---
>   drivers/iommu/iommu.c | 4 +---
>   include/linux/iommu.h | 1 -
>   2 files changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
> index 7f744904e02f4d..834e6ecf3e5197 100644
> --- a/drivers/iommu/iommu.c
> +++ b/drivers/iommu/iommu.c
> @@ -1915,9 +1915,7 @@ bool iommu_group_has_isolated_msi(struct iommu_group *group)
>   
>   	mutex_lock(&group->mutex);
>   	list_for_each_entry(group_dev, &group->devices, list)
> -		ret &= msi_device_has_isolated_msi(group_dev->dev) ||
> -		       device_iommu_capable(group_dev->dev,
> -					    IOMMU_CAP_INTR_REMAP);
> +		ret &= msi_device_has_isolated_msi(group_dev->dev);
>   	mutex_unlock(&group->mutex);
>   	return ret;
>   }
> diff --git a/include/linux/iommu.h b/include/linux/iommu.h
> index 9b7a9fa5ad28d3..933cc57bfc4818 100644
> --- a/include/linux/iommu.h
> +++ b/include/linux/iommu.h
> @@ -120,7 +120,6 @@ static inline bool iommu_is_dma_domain(struct iommu_domain *domain)
>   
>   enum iommu_cap {
>   	IOMMU_CAP_CACHE_COHERENCY,	/* IOMMU_CACHE is supported */
> -	IOMMU_CAP_INTR_REMAP,		/* IOMMU supports interrupt isolation */
>   	IOMMU_CAP_NOEXEC,		/* IOMMU_NOEXEC flag */
>   	IOMMU_CAP_PRE_BOOT_PROTECTION,	/* Firmware says it used the IOMMU for
>   					   DMA protection and we should too */

Reviewed-by: Lu Baolu <baolu.lu@linux.intel.com>

--
Best regards,
baolu
diff mbox series

Patch

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 7f744904e02f4d..834e6ecf3e5197 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -1915,9 +1915,7 @@  bool iommu_group_has_isolated_msi(struct iommu_group *group)
 
 	mutex_lock(&group->mutex);
 	list_for_each_entry(group_dev, &group->devices, list)
-		ret &= msi_device_has_isolated_msi(group_dev->dev) ||
-		       device_iommu_capable(group_dev->dev,
-					    IOMMU_CAP_INTR_REMAP);
+		ret &= msi_device_has_isolated_msi(group_dev->dev);
 	mutex_unlock(&group->mutex);
 	return ret;
 }
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 9b7a9fa5ad28d3..933cc57bfc4818 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -120,7 +120,6 @@  static inline bool iommu_is_dma_domain(struct iommu_domain *domain)
 
 enum iommu_cap {
 	IOMMU_CAP_CACHE_COHERENCY,	/* IOMMU_CACHE is supported */
-	IOMMU_CAP_INTR_REMAP,		/* IOMMU supports interrupt isolation */
 	IOMMU_CAP_NOEXEC,		/* IOMMU_NOEXEC flag */
 	IOMMU_CAP_PRE_BOOT_PROTECTION,	/* Firmware says it used the IOMMU for
 					   DMA protection and we should too */