This currently depends on CONFIG_IOMMU_SUPPORT. But it is only
needed when CONFIG_IOMMU_SVA option is enabled.
Change the CONFIG guards around definition and initialization
of mm->pasid field.
Suggested-by: Jacob Pan <jacob.jun....@linux.intel.com>
Signed-off-by: Fenghua Yu <fenghua...@intel.com>
Reviewed-by: Tony Luck <tony.l...@intel.com>
---
v2:
- Change condition to more accurate CONFIG_IOMMU_SVA (Jacob and Tony)
include/linux/mm_types.h | 2 +-
kernel/fork.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index c3a6e6209600..6d92121d5bd9 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -643,7 +643,7 @@ struct mm_struct {
#endif
struct work_struct async_put_work;
-#ifdef CONFIG_IOMMU_SUPPORT
+#ifdef CONFIG_IOMMU_SVA
u32 pasid;
#endif
} __randomize_layout;
diff --git a/kernel/fork.c b/kernel/fork.c
index 3244cc56b697..b33c52021d4e 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1020,7 +1020,7 @@ static void mm_init_owner(struct mm_struct *mm, struct
task_struct *p)
static void mm_init_pasid(struct mm_struct *mm)
{
-#ifdef CONFIG_IOMMU_SUPPORT
+#ifdef CONFIG_IOMMU_SVA
mm->pasid = INIT_PASID;
#endif
}
--
2.34.1
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