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Commit b1a89257 authored by Jérôme Glisse's avatar Jérôme Glisse Committed by Linus Torvalds
Browse files

IB/umem: update to new mmu_notifier semantic 



Calls to mmu_notifier_invalidate_page() were replaced by calls to
mmu_notifier_invalidate_range() and are now bracketed by calls to
mmu_notifier_invalidate_range_start()/end()

Remove now useless invalidate_page callback.

Signed-off-by: default avatarJérôme Glisse <jglisse@redhat.com>
Tested-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Cc: linux-rdma@vger.kernel.org
Cc: Artemy Kovalyov <artemyko@mellanox.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent c90270a9

drivers/infiniband/core/umem_odp.c

+0 −19
Original line number Diff line number Diff line
@@ -166,24 +166,6 @@ static int invalidate_page_trampoline(struct ib_umem *item, u64 start, 
	return 0;

}



static void ib_umem_notifier_invalidate_page(struct mmu_notifier *mn,

					     struct mm_struct *mm,

					     unsigned long address)

{

	struct ib_ucontext *context = container_of(mn, struct ib_ucontext, mn);



	if (!context->invalidate_range)

		return;



	ib_ucontext_notifier_start_account(context);

	down_read(&context->umem_rwsem);

	rbt_ib_umem_for_each_in_range(&context->umem_tree, address,

				      address + PAGE_SIZE,

				      invalidate_page_trampoline, NULL);

	up_read(&context->umem_rwsem);

	ib_ucontext_notifier_end_account(context);

}



static int invalidate_range_start_trampoline(struct ib_umem *item, u64 start,

					     u64 end, void *cookie)

{
@@ -237,7 +219,6 @@ static void ib_umem_notifier_invalidate_range_end(struct mmu_notifier *mn, 


static const struct mmu_notifier_ops ib_umem_notifiers = {

	.release                    = ib_umem_notifier_release,

	.invalidate_page            = ib_umem_notifier_invalidate_page,

	.invalidate_range_start     = ib_umem_notifier_invalidate_range_start,

	.invalidate_range_end       = ib_umem_notifier_invalidate_range_end,

};