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Commit 8301da53 authored by Joerg Roedel's avatar Joerg Roedel
Browse files

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: default avatarJoerg Roedel <jroedel@suse.de>
Tested-by: default avatarOded Gabbay <oded.gabbay@amd.com>
parent fcaa9606

drivers/iommu/amd_iommu_v2.c

+0 −9
Original line number Diff line number Diff line
@@ -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,