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

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No iommu driver implements this any more, get rid of it.

Tested-by: Matthew Rosato <mjrosato@xxxxxxxxxxxxx>
Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
---
 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 */
-- 
2.39.0




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