On Wed, Oct 30, 2024 at 02:34:28PM -0700, Nicolin Chen wrote:
The following patch will add a new vIOMMU allocator that will require this _iommufd_object_alloc to be sharable with IOMMU drivers (and iommufd too).
Add a new driver.c file that will be built with CONFIG_IOMMUFD_DRIVER_CORE selected by CONFIG_IOMMUFD, and put the CONFIG_DRIVER under that remaining to be selectable for drivers to build the existing iova_bitmap.c file.
Suggested-by: Jason Gunthorpe jgg@nvidia.com Signed-off-by: Nicolin Chen nicolinc@nvidia.com
drivers/iommu/iommufd/Kconfig | 5 ++++ drivers/iommu/iommufd/Makefile | 5 +++- drivers/iommu/iommufd/iommufd_private.h | 4 --- include/linux/iommufd.h | 10 +++++++ drivers/iommu/iommufd/driver.c | 40 +++++++++++++++++++++++++ drivers/iommu/iommufd/main.c | 32 -------------------- 6 files changed, 59 insertions(+), 37 deletions(-) create mode 100644 drivers/iommu/iommufd/driver.c
diff --git a/drivers/iommu/iommufd/Kconfig b/drivers/iommu/iommufd/Kconfig index 76656fe0470d..83addbe2ff7b 100644 --- a/drivers/iommu/iommufd/Kconfig +++ b/drivers/iommu/iommufd/Kconfig @@ -1,9 +1,14 @@ # SPDX-License-Identifier: GPL-2.0-only +config IOMMUFD_DRIVER_CORE
- tristate
- default IOMMUFD_DRIVER || IOMMUFD
config IOMMUFD tristate "IOMMU Userspace API" select INTERVAL_TREE select INTERVAL_TREE_SPAN_ITER select IOMMU_API
- select IOMMUFD_DRIVER_CORE
Should drop the select
Reviewed-by: Jason Gunthorpe jgg@nvidia.com
Jason