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Date:   Thu, 31 Aug 2017 17:17:32 -0400
From:   jglisse@...hat.com
To:     linux-mm@...ck.org
Cc:     linux-kernel@...r.kernel.org,
        Jérôme Glisse <jglisse@...hat.com>,
        Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
        iommu@...ts.linux-foundation.org, Joerg Roedel <jroedel@...e.de>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrea Arcangeli <aarcange@...hat.com>
Subject: [PATCH 07/13] iommu/amd: update to new mmu_notifier semantic

From: Jérôme Glisse <jglisse@...hat.com>

Call to mmu_notifier_invalidate_page() are replaced by call to
mmu_notifier_invalidate_range() and thus call are bracketed by
call to mmu_notifier_invalidate_range_start()/end()

Remove now useless invalidate_page callback.

Signed-off-by: Jérôme Glisse <jglisse@...hat.com>
Cc: Suravee Suthikulpanit <suravee.suthikulpanit@....com>
Cc: iommu@...ts.linux-foundation.org
Cc: Joerg Roedel <jroedel@...e.de>
Cc: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Andrea Arcangeli <aarcange@...hat.com>
---
 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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