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Message-ID: <A503C24F5B2FB844864C0DD400A8F742BE12B1@ORSMSX113.amr.corp.intel.com>
Date: Wed, 6 Sep 2017 14:08:04 +0000
From: "Arumugam, Kamenee" <kamenee.arumugam@...el.com>
To: Jérôme Glisse <jglisse@...hat.com>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-mm@...ck.org" <linux-mm@...ck.org>
CC: "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
"Luick, Dean" <dean.luick@...el.com>,
"Weiny, Ira" <ira.weiny@...el.com>,
Doug Ledford <dledford@...hat.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: RE: [PATCH 06/13] IB/hfi1: update to new mmu_notifier semantic
Tested this patch with hfi1 driver and no issue found.
Tested-by: Kamenee Arumugam <kamenee.arumugam@...el.com>
-----Original Message-----
From: linux-rdma-owner@...r.kernel.org [mailto:linux-rdma-owner@...r.kernel.org] On Behalf Of Jérôme Glisse
Sent: Tuesday, August 29, 2017 7:55 PM
To: linux-kernel@...r.kernel.org; linux-mm@...ck.org
Cc: Jérôme Glisse <jglisse@...hat.com>; linux-rdma@...r.kernel.org; Luick, Dean <dean.luick@...el.com>; Weiny, Ira <ira.weiny@...el.com>; Doug Ledford <dledford@...hat.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 06/13] IB/hfi1: 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: linux-rdma@...r.kernel.org
Cc: Dean Luick <dean.luick@...el.com>
Cc: Ira Weiny <ira.weiny@...el.com>
Cc: Doug Ledford <dledford@...hat.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/infiniband/hw/hfi1/mmu_rb.c | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/drivers/infiniband/hw/hfi1/mmu_rb.c b/drivers/infiniband/hw/hfi1/mmu_rb.c
index ccbf52c8ff6f..e4b56a0dd6d0 100644
--- a/drivers/infiniband/hw/hfi1/mmu_rb.c
+++ b/drivers/infiniband/hw/hfi1/mmu_rb.c
@@ -67,8 +67,6 @@ struct mmu_rb_handler {
static unsigned long mmu_node_start(struct mmu_rb_node *); static unsigned long mmu_node_last(struct mmu_rb_node *); -static inline void mmu_notifier_page(struct mmu_notifier *, struct mm_struct *,
- unsigned long);
static inline void mmu_notifier_range_start(struct mmu_notifier *,
struct mm_struct *,
unsigned long, unsigned long); @@ -82,7 +80,6 @@ static void do_remove(struct mmu_rb_handler *handler, static void handle_remove(struct work_struct *work);
static const struct mmu_notifier_ops mn_opts = {
- .invalidate_page = mmu_notifier_page,
.invalidate_range_start = mmu_notifier_range_start, };
@@ -285,12 +282,6 @@ void hfi1_mmu_rb_remove(struct mmu_rb_handler *handler,
handler->ops->remove(handler->ops_arg, node); }
-static inline void mmu_notifier_page(struct mmu_notifier *mn,
- struct mm_struct *mm, unsigned long addr)
-{
- mmu_notifier_mem_invalidate(mn, mm, addr, addr + PAGE_SIZE);
-}
-
static inline void mmu_notifier_range_start(struct mmu_notifier *mn,
struct mm_struct *mm,
unsigned long start,
--
2.13.5
--
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