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[PATCH 03/13] powerpc/powernv: update to new mmu_notifier semantic

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  [PATCH 03/13] powerpc/powernv: update to new mmu_notifier semantic jglisse@redhat.com - 2017-08-31 23:30 +0200

#1724601 — [PATCH 03/13] powerpc/powernv: update to new mmu_notifier semantic

From: Jérôme Glisse <jglisse@redhat.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@redhat.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Alistair Popple <alistair@popple.id.au>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
---
 arch/powerpc/platforms/powernv/npu-dma.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/arch/powerpc/platforms/powernv/npu-dma.c b/arch/powerpc/platforms/powernv/npu-dma.c
index b5d960d6db3d..4c7b8591f737 100644
--- a/arch/powerpc/platforms/powernv/npu-dma.c
+++ b/arch/powerpc/platforms/powernv/npu-dma.c
@@ -614,15 +614,6 @@ static void pnv_npu2_mn_change_pte(struct mmu_notifier *mn,
 	mmio_invalidate(npu_context, 1, address, true);
 }
 
-static void pnv_npu2_mn_invalidate_page(struct mmu_notifier *mn,
-					struct mm_struct *mm,
-					unsigned long address)
-{
-	struct npu_context *npu_context = mn_to_npu_context(mn);
-
-	mmio_invalidate(npu_context, 1, address, true);
-}
-
 static void pnv_npu2_mn_invalidate_range(struct mmu_notifier *mn,
 					struct mm_struct *mm,
 					unsigned long start, unsigned long end)
@@ -640,7 +631,6 @@ static void pnv_npu2_mn_invalidate_range(struct mmu_notifier *mn,
 static const struct mmu_notifier_ops nv_nmmu_notifier_ops = {
 	.release = pnv_npu2_mn_release,
 	.change_pte = pnv_npu2_mn_change_pte,
-	.invalidate_page = pnv_npu2_mn_invalidate_page,
 	.invalidate_range = pnv_npu2_mn_invalidate_range,
 };
 
-- 
2.13.5

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