iommu/amd: Remove change_pte mmu_notifier call-back
All calls to this call-back are wrapped with
mmu_notifer_invalidate_range_start()/end(), making this
notifier pretty useless, so remove it.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Tested-by: Oded Gabbay <oded.gabbay@amd.com>
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 2b7de88..524fd67 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -406,14 +406,6 @@
return 0;
}
-static void mn_change_pte(struct mmu_notifier *mn,
- struct mm_struct *mm,
- unsigned long address,
- pte_t pte)
-{
- __mn_flush_page(mn, address);
-}
-
static void mn_invalidate_page(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long address)
@@ -484,7 +476,6 @@
static struct mmu_notifier_ops iommu_mn = {
.release = mn_release,
.clear_flush_young = mn_clear_flush_young,
- .change_pte = mn_change_pte,
.invalidate_page = mn_invalidate_page,
.invalidate_range_start = mn_invalidate_range_start,
.invalidate_range_end = mn_invalidate_range_end,