[PATCH 4/4] iommu/amd: update to new mmu_notifier_invalidate_page() semantic

["Jérôme Glisse" <jglisse@redhat.com>]

mmu_notifier_invalidate_page() is now be call from under the spinlock.
But we can now rely on invalidate_range() being call afterward.

Signed-off-by: JA(C)rA'me Glisse <jglisse@redhat.com>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Bernhard Held <berny156@gmx.de>
Cc: Adam Borowski <kilobyte@angband.pl>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Radim KrA?mA!A? <rkrcmar@redhat.com>
Cc: Wanpeng Li <kernellwp@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Takashi Iwai <tiwai@suse.de>
Cc: Nadav Amit <nadav.amit@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: axie <axie@amd.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
---
 drivers/iommu/amd_iommu_v2.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index 6629c472eafd..dccf5b76eff2 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -391,13 +391,6 @@ static int mn_clear_flush_young(struct mmu_notifier *mn,
 	return 0;
 }
 
-static void mn_invalidate_page(struct mmu_notifier *mn,
-			       struct mm_struct *mm,
-			       unsigned long address)
-{
-	__mn_flush_page(mn, address);
-}
-
 static void mn_invalidate_range(struct mmu_notifier *mn,
 				struct mm_struct *mm,
 				unsigned long start, unsigned long end)
@@ -436,7 +429,6 @@ static void mn_release(struct mmu_notifier *mn, struct mm_struct *mm)
 static const struct mmu_notifier_ops iommu_mn = {
 	.release		= mn_release,
 	.clear_flush_young      = mn_clear_flush_young,
-	.invalidate_page        = mn_invalidate_page,
 	.invalidate_range       = mn_invalidate_range,
 };
 
-- 
2.13.5

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