From: Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
To: Jason Gunthorpe <jgg-uk2M96/98Pc@public.gmane.org>
Cc: Andrea Arcangeli
<aarcange-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Philip Yang <Philip.Yang-5C7GfCeVMHo@public.gmane.org>,
Ralph Campbell
<rcampbell-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
John Hubbard <jhubbard-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
Felix.Kuehling-5C7GfCeVMHo@public.gmane.org,
dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
Christoph Hellwig <hch-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
Jerome Glisse <jglisse-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
Ira Weiny <ira.weiny-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Ben Skeggs <bskeggs-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH v3 hmm 02/12] mm/hmm: Use hmm_mirror not mm as an argument for hmm_range_register
Date: Wed, 19 Jun 2019 01:14:16 -0700 [thread overview]
Message-ID: <20190619081416.GA24900@infradead.org> (raw)
In-Reply-To: <20190618130544.GC6961-uk2M96/98Pc@public.gmane.org>
On Tue, Jun 18, 2019 at 10:05:44AM -0300, Jason Gunthorpe wrote:
> I'm thinking to tackle that as part of the mmu notififer invlock
> idea.. Once the range looses the lock then we don't really need to
> register it at all.
Ok.
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WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@infradead.org>
To: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Christoph Hellwig <hch@infradead.org>,
Jerome Glisse <jglisse@redhat.com>,
Ralph Campbell <rcampbell@nvidia.com>,
John Hubbard <jhubbard@nvidia.com>,
Felix.Kuehling@amd.com, linux-rdma@vger.kernel.org,
linux-mm@kvack.org, Andrea Arcangeli <aarcange@redhat.com>,
dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org,
Ben Skeggs <bskeggs@redhat.com>, Ira Weiny <ira.weiny@intel.com>,
Philip Yang <Philip.Yang@amd.com>
Subject: Re: [PATCH v3 hmm 02/12] mm/hmm: Use hmm_mirror not mm as an argument for hmm_range_register
Date: Wed, 19 Jun 2019 01:14:16 -0700 [thread overview]
Message-ID: <20190619081416.GA24900@infradead.org> (raw)
In-Reply-To: <20190618130544.GC6961@ziepe.ca>
On Tue, Jun 18, 2019 at 10:05:44AM -0300, Jason Gunthorpe wrote:
> I'm thinking to tackle that as part of the mmu notififer invlock
> idea.. Once the range looses the lock then we don't really need to
> register it at all.
Ok.
next prev parent reply other threads:[~2019-06-19 8:14 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-14 0:44 [PATCH v3 hmm 00/12] mm/hmm: Various revisions from a locking/code review Jason Gunthorpe
2019-06-14 0:44 ` Jason Gunthorpe
2019-06-14 0:44 ` [PATCH v3 hmm 01/12] mm/hmm: fix use after free with struct hmm in the mmu notifiers Jason Gunthorpe
2019-06-14 0:44 ` Jason Gunthorpe
[not found] ` <20190614004450.20252-2-jgg-uk2M96/98Pc@public.gmane.org>
2019-06-15 13:56 ` Christoph Hellwig
2019-06-15 13:56 ` Christoph Hellwig
2019-06-14 0:44 ` [PATCH v3 hmm 02/12] mm/hmm: Use hmm_mirror not mm as an argument for hmm_range_register Jason Gunthorpe
2019-06-14 0:44 ` Jason Gunthorpe
[not found] ` <20190614004450.20252-3-jgg-uk2M96/98Pc@public.gmane.org>
2019-06-15 13:59 ` Christoph Hellwig
2019-06-15 13:59 ` Christoph Hellwig
2019-06-18 13:05 ` Jason Gunthorpe
2019-06-18 13:05 ` Jason Gunthorpe
[not found] ` <20190618130544.GC6961-uk2M96/98Pc@public.gmane.org>
2019-06-19 8:14 ` Christoph Hellwig [this message]
2019-06-19 8:14 ` Christoph Hellwig
2019-06-14 0:44 ` [PATCH v3 hmm 03/12] mm/hmm: Hold a mmgrab from hmm to mm Jason Gunthorpe
2019-06-14 0:44 ` Jason Gunthorpe
[not found] ` <20190614004450.20252-4-jgg-uk2M96/98Pc@public.gmane.org>
2019-06-15 13:59 ` Christoph Hellwig
2019-06-15 13:59 ` Christoph Hellwig
2019-06-14 0:44 ` [PATCH v3 hmm 04/12] mm/hmm: Simplify hmm_get_or_create and make it reliable Jason Gunthorpe
2019-06-14 0:44 ` Jason Gunthorpe
[not found] ` <20190614004450.20252-5-jgg-uk2M96/98Pc@public.gmane.org>
2019-06-15 14:12 ` Christoph Hellwig
2019-06-15 14:12 ` Christoph Hellwig
2019-06-18 0:36 ` Jason Gunthorpe
2019-06-18 0:36 ` Jason Gunthorpe
2019-06-18 18:55 ` Jason Gunthorpe
2019-06-18 18:55 ` Jason Gunthorpe
2019-06-14 0:44 ` [PATCH v3 hmm 05/12] mm/hmm: Remove duplicate condition test before wait_event_timeout Jason Gunthorpe
2019-06-14 0:44 ` Jason Gunthorpe
[not found] ` <20190614004450.20252-6-jgg-uk2M96/98Pc@public.gmane.org>
2019-06-15 14:12 ` Christoph Hellwig
2019-06-15 14:12 ` Christoph Hellwig
2019-06-14 0:44 ` [PATCH v3 hmm 06/12] mm/hmm: Hold on to the mmget for the lifetime of the range Jason Gunthorpe
2019-06-14 0:44 ` Jason Gunthorpe
[not found] ` <20190614004450.20252-7-jgg-uk2M96/98Pc@public.gmane.org>
2019-06-15 14:14 ` Christoph Hellwig
2019-06-15 14:14 ` Christoph Hellwig
2019-06-18 15:11 ` Jason Gunthorpe
2019-06-18 15:11 ` Jason Gunthorpe
[not found] ` <20190618151100.GI6961-uk2M96/98Pc@public.gmane.org>
2019-06-19 8:18 ` Christoph Hellwig
2019-06-19 8:18 ` Christoph Hellwig
2019-06-19 11:34 ` Jason Gunthorpe
2019-06-19 11:34 ` Jason Gunthorpe
[not found] ` <20190619113452.GB9360-uk2M96/98Pc@public.gmane.org>
2019-06-19 11:54 ` Christoph Hellwig
2019-06-19 11:54 ` Christoph Hellwig
2019-06-14 0:44 ` [PATCH v3 hmm 07/12] mm/hmm: Use lockdep instead of comments Jason Gunthorpe
2019-06-14 0:44 ` Jason Gunthorpe
[not found] ` <20190614004450.20252-8-jgg-uk2M96/98Pc@public.gmane.org>
2019-06-15 14:14 ` Christoph Hellwig
2019-06-15 14:14 ` Christoph Hellwig
2019-06-14 0:44 ` [PATCH v3 hmm 08/12] mm/hmm: Remove racy protection against double-unregistration Jason Gunthorpe
2019-06-14 0:44 ` Jason Gunthorpe
[not found] ` <20190614004450.20252-9-jgg-uk2M96/98Pc@public.gmane.org>
2019-06-15 14:16 ` Christoph Hellwig
2019-06-15 14:16 ` Christoph Hellwig
2019-06-18 13:13 ` Jason Gunthorpe
2019-06-18 13:13 ` Jason Gunthorpe
[not found] ` <20190618131324.GF6961-uk2M96/98Pc@public.gmane.org>
2019-06-18 13:27 ` Christoph Hellwig
2019-06-18 13:27 ` Christoph Hellwig
2019-06-18 18:57 ` Jason Gunthorpe
2019-06-18 18:57 ` Jason Gunthorpe
[not found] ` <20190618185757.GP6961-uk2M96/98Pc@public.gmane.org>
2019-06-19 8:19 ` Christoph Hellwig
2019-06-19 8:19 ` Christoph Hellwig
2019-06-14 0:44 ` [PATCH v3 hmm 09/12] mm/hmm: Poison hmm_range during unregister Jason Gunthorpe
2019-06-14 0:44 ` Jason Gunthorpe
[not found] ` <20190614004450.20252-10-jgg-uk2M96/98Pc@public.gmane.org>
2019-06-15 14:17 ` Christoph Hellwig
2019-06-15 14:17 ` Christoph Hellwig
2019-06-18 18:04 ` Jason Gunthorpe
2019-06-18 18:04 ` Jason Gunthorpe
2019-06-14 0:44 ` [PATCH v3 hmm 10/12] mm/hmm: Do not use list*_rcu() for hmm->ranges Jason Gunthorpe
2019-06-14 0:44 ` Jason Gunthorpe
[not found] ` <20190614004450.20252-11-jgg-uk2M96/98Pc@public.gmane.org>
2019-06-15 14:18 ` Christoph Hellwig
2019-06-15 14:18 ` Christoph Hellwig
2019-06-18 0:38 ` Jason Gunthorpe
2019-06-18 0:38 ` Jason Gunthorpe
2019-06-14 0:44 ` [PATCH v3 hmm 11/12] mm/hmm: Remove confusing comment and logic from hmm_release Jason Gunthorpe
2019-06-14 0:44 ` Jason Gunthorpe
[not found] ` <20190614004450.20252-12-jgg-uk2M96/98Pc@public.gmane.org>
2019-06-15 14:21 ` Christoph Hellwig
2019-06-15 14:21 ` Christoph Hellwig
2019-06-18 0:45 ` Jason Gunthorpe
2019-06-18 0:45 ` Jason Gunthorpe
[not found] ` <20190618004509.GE30762-uk2M96/98Pc@public.gmane.org>
2019-06-18 5:37 ` Christoph Hellwig
2019-06-18 5:37 ` Christoph Hellwig
[not found] ` <20190618053733.GA25048-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2019-06-19 0:53 ` Kuehling, Felix
2019-06-19 0:53 ` Kuehling, Felix
[not found] ` <be4f8573-6284-04a6-7862-23bb357bfe3c-5C7GfCeVMHo@public.gmane.org>
2019-06-19 8:07 ` Christoph Hellwig
2019-06-19 8:07 ` Christoph Hellwig
2019-06-19 11:56 ` Jason Gunthorpe
2019-06-19 11:56 ` Jason Gunthorpe
[not found] ` <20190619115632.GC9360-uk2M96/98Pc@public.gmane.org>
2019-06-19 12:03 ` Christoph Hellwig
2019-06-19 12:03 ` Christoph Hellwig
2019-06-14 0:44 ` [PATCH v3 hmm 12/12] mm/hmm: Fix error flows in hmm_invalidate_range_start Jason Gunthorpe
2019-06-14 0:44 ` Jason Gunthorpe
[not found] ` <20190614004450.20252-13-jgg-uk2M96/98Pc@public.gmane.org>
2019-06-15 14:25 ` Christoph Hellwig
2019-06-15 14:25 ` Christoph Hellwig
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