linux-kernel - [PATCH 09/13] misc/mic/scif: update to new mmu

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Date:   Tue, 29 Aug 2017 19:54:43 -0400
From:   Jérôme Glisse <jglisse@...hat.com>
To:     linux-kernel@...r.kernel.org, linux-mm@...ck.org
Cc:     Jérôme Glisse <jglisse@...hat.com>,
        Sudeep Dutt <sudeep.dutt@...el.com>,
        Ashutosh Dixit <ashutosh.dixit@...el.com>,
        "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 09/13] misc/mic/scif: update to new mmu_notifier semantic

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: Sudeep Dutt <sudeep.dutt@...el.com>
Cc: Ashutosh Dixit <ashutosh.dixit@...el.com>
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/misc/mic/scif/scif_dma.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/drivers/misc/mic/scif/scif_dma.c b/drivers/misc/mic/scif/scif_dma.c
index 64d5760d069a..63d6246d6dff 100644
--- a/drivers/misc/mic/scif/scif_dma.c
+++ b/drivers/misc/mic/scif/scif_dma.c
@@ -200,16 +200,6 @@ static void scif_mmu_notifier_release(struct mmu_notifier *mn,
 	schedule_work(&scif_info.misc_work);
 }
 
-static void scif_mmu_notifier_invalidate_page(struct mmu_notifier *mn,
-					      struct mm_struct *mm,
-					      unsigned long address)
-{
-	struct scif_mmu_notif	*mmn;
-
-	mmn = container_of(mn, struct scif_mmu_notif, ep_mmu_notifier);
-	scif_rma_destroy_tcw(mmn, address, PAGE_SIZE);
-}
-
 static void scif_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn,
 						     struct mm_struct *mm,
 						     unsigned long start,
@@ -235,7 +225,6 @@ static void scif_mmu_notifier_invalidate_range_end(struct mmu_notifier *mn,
 static const struct mmu_notifier_ops scif_mmu_notifier_ops = {
 	.release = scif_mmu_notifier_release,
 	.clear_flush_young = NULL,
-	.invalidate_page = scif_mmu_notifier_invalidate_page,
 	.invalidate_range_start = scif_mmu_notifier_invalidate_range_start,
 	.invalidate_range_end = scif_mmu_notifier_invalidate_range_end};
 
-- 
2.13.5