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authorJoerg Roedel <jroedel@suse.de>2014-07-30 16:04:38 +0200
committerJoerg Roedel <jroedel@suse.de>2014-07-30 16:07:49 +0200
commit8301da53fbc1dff07c96f7ebf32bda331e4775e3 (patch)
tree6323f43c2c91dca6f26eb43716b61a62e64d3b07 /drivers/iommu
parentfcaa96060809224c4d2092e1e0d6efcf0d342bb4 (diff)
downloadlinux-8301da53fbc1dff07c96f7ebf32bda331e4775e3.tar.gz
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>
Diffstat (limited to 'drivers/iommu')
-rw-r--r--drivers/iommu/amd_iommu_v2.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 2b7de882e91c..524fd67a85b1 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -406,14 +406,6 @@ static int mn_clear_flush_young(struct mmu_notifier *mn,
 	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 void mn_release(struct mmu_notifier *mn, struct mm_struct *mm)
 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,