diff mbox series

[7/7] iommu: Remove ops->pgsize_bitmap

Message ID 7-v1-7c5282b0c334+2db-iommu_rm_ops_pgsize_jgg@nvidia.com
State New
Headers show
Series Remove ops.pgsize_bitmap | expand

Commit Message

Jason Gunthorpe April 29, 2025, 2:34 p.m. UTC 
No driver uses it now, remove the core code.

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
---
 drivers/iommu/iommu.c | 7 -------
 include/linux/iommu.h | 2 --
 2 files changed, 9 deletions(-)

Comments

Baolu Lu April 30, 2025, 2:34 a.m. UTC | #1 
On 4/29/25 22:34, Jason Gunthorpe wrote:
> No driver uses it now, remove the core code.
> 
> Signed-off-by: Jason Gunthorpe<jgg@nvidia.com>

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

Patch

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 900fb782c3a6a1..db23093c9fa856 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -2002,13 +2002,6 @@  static void iommu_domain_init(struct iommu_domain *domain, unsigned int type,
 	domain->owner = ops;
 	if (!domain->ops)
 		domain->ops = ops->default_domain_ops;
-
-	/*
-	 * If not already set, assume all sizes by default; the driver
-	 * may override this later
-	 */
-	if (!domain->pgsize_bitmap)
-		domain->pgsize_bitmap = ops->pgsize_bitmap;
 }
 
 static struct iommu_domain *
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 1785caee597778..1c2ddf62a672e2 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -606,7 +606,6 @@  iommu_copy_struct_from_full_user_array(void *kdst, size_t kdst_entry_size,
  *                It is required to call iommufd_viommu_alloc() helper for
  *                a bundled allocation of the core and the driver structures,
  *                using the given @ictx pointer.
- * @pgsize_bitmap: bitmap of all possible supported page sizes
  * @owner: Driver module providing these ops
  * @identity_domain: An always available, always attachable identity
  *                   translation.
@@ -661,7 +660,6 @@  struct iommu_ops {
 		struct iommufd_ctx *ictx, unsigned int viommu_type);
 
 	const struct iommu_domain_ops *default_domain_ops;
-	unsigned long pgsize_bitmap;
 	struct module *owner;
 	struct iommu_domain *identity_domain;
 	struct iommu_domain *blocked_domain;