[PATCH v3 6/6] mm: Deprecate pasid field

From: Tina Zhang
Date: Mon Sep 04 2023 - 20:10:41 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>
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 b486f521afee..fb0e4416d9d7 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -808,7 +808,6 @@ 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 efa97b57acfd..69719291463e 100644
--- a/mm/init-mm.c
+++ b/mm/init-mm.c
@@ -42,9 +42,6 @@ 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)
};

--
2.17.1