[PATCH v7 5/5] mm: Deprecate pasid field

From: Tina Zhang
Date: Wed Oct 11 2023 - 23:02:00 EST


Drop the pasid field, as all the information needed for sva domain
management has been moved to the newly added iommu_mm field.

Reviewed-by: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
Reviewed-by: Vasant Hegde <vasant.hegde@xxxxxxx>
Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
Signed-off-by: Tina Zhang <tina.zhang@xxxxxxxxx>
---
include/linux/mm_types.h | 1 -
mm/init-mm.c | 3 ---
2 files changed, 4 deletions(-)

diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 9f4efed85f74..37f049c4b059 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -883,7 +883,6 @@ struct mm_struct {
struct work_struct async_put_work;

#ifdef CONFIG_IOMMU_SVA
- u32 pasid;
struct iommu_mm_data *iommu_mm;
#endif
#ifdef CONFIG_KSM
diff --git a/mm/init-mm.c b/mm/init-mm.c
index cfd367822cdd..24c809379274 100644
--- a/mm/init-mm.c
+++ b/mm/init-mm.c
@@ -44,9 +44,6 @@ struct mm_struct init_mm = {
#endif
.user_ns = &init_user_ns,
.cpu_bitmap = CPU_BITS_NONE,
-#ifdef CONFIG_IOMMU_SVA
- .pasid = IOMMU_PASID_INVALID,
-#endif
INIT_MM_CONTEXT(init_mm)
};

--
2.39.3