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From: j.glisse@gmail.com
Subject: mmu_notifier: preparatory patches for hmm and or iommuv2 v6
Date: Thu, 17 Jul 2014 14:46:46 -0400
Message-Id: <1405622809-3797-1-git-send-email-j.glisse@gmail.com>
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To: linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org
Cc: Linus Torvalds <torvalds@linux-foundation.org>, joro@8bytes.org, Mel Gorman <mgorman@suse.de>, "H. Peter Anvin" <hpa@zytor.com>, Peter Zijlstra <peterz@infradead.org>, Andrea Arcangeli <aarcange@redhat.com>, Johannes Weiner <jweiner@redhat.com>, Larry Woodman <lwoodman@redhat.com>, Rik van Riel <riel@redhat.com>, Dave Airlie <airlied@redhat.com>, Brendan Conoboy <blc@redhat.com>, Joe Donohue <jdonohue@redhat.com>, Duncan Poole <dpoole@nvidia.com>, Sherry Cheung <SCheung@nvidia.com>, Subhash Gutti <sgutti@nvidia.com>, John Hubbard <jhubbard@nvidia.com>, Mark Hairgrove <mhairgrove@nvidia.com>, Lucien Dunning <ldunning@nvidia.com>, Cameron Buschardt <cabuschardt@nvidia.com>, Arvind Gopalakrishnan <arvindg@nvidia.com>, Shachar Raindel <raindel@mellanox.com>, Liran Liss <liranl@mellanox.com>, Roland Dreier <roland@purestorage.com>, Ben Sander <ben.sander@amd.com>, Greg Stoner <Greg.Stoner@amd.com>, John Bridgman <John.Bridgman@amd.com>, Michael Mantor <Michael.Mantor@amd.com>, Paul Blinzer <Paul.Blinzer@amd.com>, Laurent Morichetti <Laurent.Morichetti@amd.com>, Alexander Deucher <Alexander.Deucher@amd.com>, Oded Gabbay <Oded.Gabbay@amd.com>

Nutshell few patches to improve mmu_notifier :
 - patch 1/3 allow to free resources when mm_struct is destroy.
 - patch 2/3 provide context informations to mmu_notifier listener.
 - patch 3/3 pass vma to range_start/range_end to avoid duplicate
   vma lookup inside the listener.

I restricted myself to set of less controversial patches and i believe
i have addressed all comments that were previously made. Thanks again
for all feedback, i hope this version is the good one.

This is somewhat of a v5 but i do not include core hmm with those
patches. So previous discussion thread :
v1 http://www.spinics.net/lists/linux-mm/msg72501.html
v2 http://www.spinics.net/lists/linux-mm/msg74532.html
v3 http://www.spinics.net/lists/linux-mm/msg74656.html
v4 http://www.spinics.net/lists/linux-mm/msg75401.html
v5 http://www.spinics.net/lists/linux-mm/msg75875.html

Cheers,
JA(C)rA'me Glisse


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