Re: [PATCH v3 hmm 11/11] mm/mmu_notifiers: remove unregister_no_release

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To: Jason Gunthorpe <jgg@xxxxxxxx>, <linux-mm@xxxxxxxxx>
Subject: Re: [PATCH v3 hmm 11/11] mm/mmu_notifiers: remove unregister_no_release
From: Ralph Campbell <rcampbell@xxxxxxxxxx>
Date: Wed, 14 Aug 2019 14:53:42 -0700
Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx>, Christoph Hellwig <hch@xxxxxx>, John Hubbard <jhubbard@xxxxxxxxxx>, Jérôme Glisse <jglisse@xxxxxxxxxx>, "Kuehling, Felix" <Felix.Kuehling@xxxxxxx>, "Alex Deucher" <alexander.deucher@xxxxxxx>, Christian König <christian.koenig@xxxxxxx>, "David (ChunMing) Zhou" <David1.Zhou@xxxxxxx>, Dimitri Sivanich <sivanich@xxxxxxx>, <dri-devel@xxxxxxxxxxxxxxxxxxxxx>, <amd-gfx@xxxxxxxxxxxxxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, <linux-rdma@xxxxxxxxxxxxxxx>, <iommu@xxxxxxxxxxxxxxxxxxxxxxxxxx>, <intel-gfx@xxxxxxxxxxxxxxxxxxxxx>, Gavin Shan <shangw@xxxxxxxxxxxxxxxxxx>, Andrea Righi <andrea@xxxxxxxxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxxxxxx>
In-reply-to: <20190806231548.25242-12-jgg@ziepe.ca>
References: <20190806231548.25242-1-jgg@ziepe.ca> <20190806231548.25242-12-jgg@ziepe.ca>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.0


On 8/6/19 4:15 PM, Jason Gunthorpe wrote:

From: Jason Gunthorpe <jgg@xxxxxxxxxxxx>

mmu_notifier_unregister_no_release() and mmu_notifier_call_srcu() no
longer have any users, they have all been converted to use
mmu_notifier_put().

So delete this difficult to use interface.

Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>


Reviewed-by: Ralph Campbell <rcampbell@xxxxxxxxxx>

References:
- [PATCH v3 hmm 00/11] Add mmu_notifier_get/put for managing mmu notifier registrations
  - From: Jason Gunthorpe
- [PATCH v3 hmm 11/11] mm/mmu_notifiers: remove unregister_no_release
  - From: Jason Gunthorpe

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