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[142.68.57.212]) by smtp.gmail.com with ESMTPSA id x5sm715097qtx.35.2020.05.06.11.45.26 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Wed, 06 May 2020 11:45:26 -0700 (PDT) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1jWP2s-0002GJ-3V; Wed, 06 May 2020 15:45:26 -0300 Date: Wed, 6 May 2020 15:45:26 -0300 From: Jason Gunthorpe To: linux-mm@kvack.org, Ralph Campbell Cc: Alex Deucher , amd-gfx@lists.freedesktop.org, Ben Skeggs , Christian =?utf-8?B?S8O2bmln?= , "David (ChunMing) Zhou" , dri-devel@lists.freedesktop.org, Felix Kuehling , Christoph Hellwig , intel-gfx@lists.freedesktop.org, =?utf-8?B?SsOpcsO0bWU=?= Glisse , John Hubbard , linux-kernel@vger.kernel.org, Niranjana Vishwanathapura , nouveau@lists.freedesktop.org, "Yang, Philip" Subject: Re: [PATCH hmm v2 0/5] Adjust hmm_range_fault() API Message-ID: <20200506184526.GA8668@ziepe.ca> References: <0-v2-b4e84f444c7d+24f57-hmm_no_flags_jgg@mellanox.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <0-v2-b4e84f444c7d+24f57-hmm_no_flags_jgg@mellanox.com> User-Agent: Mutt/1.9.4 (2018-02-28) Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Fri, May 01, 2020 at 03:20:43PM -0300, Jason Gunthorpe wrote: > From: Jason Gunthorpe >=20 > The API is a bit complicated for the uses we actually have, and > disucssions for simplifying have come up a number of times. >=20 > This small series removes the customizable pfn format and simplifies th= e > return code of hmm_range_fault() >=20 > All the drivers are adjusted to process in the simplified format. > I would appreciated tested-by's for the two drivers, thanks! >=20 > v2: > - Move call chain to commit message > - Fix typo of HMM_PFN_REQ_FAULT > - Move nouveau_hmm_convert_pfn() to nouveau_svm.c > - Add acks and tested-bys > v1: https://lore.kernel.org/r/0-v1-4eb72686de3c+5062-hmm_no_flags_jgg@m= ellanox.com >=20 > Cc: Christoph Hellwig > Cc: John Hubbard > Cc: J=C3=A9r=C3=B4me Glisse > Cc: Ben Skeggs > To: Ralph Campbell > Cc: nouveau@lists.freedesktop.org > Cc: Niranjana Vishwanathapura > Cc: intel-gfx@lists.freedesktop.org > Cc: "Kuehling, Felix" > Cc: Alex Deucher > Cc: "Christian K=C3=B6nig" > Cc: "David (ChunMing) Zhou" > Cc: amd-gfx@lists.freedesktop.org > Cc: dri-devel@lists.freedesktop.org > Cc: linux-kernel@vger.kernel.org > Cc: "Yang, Philip" > To: linux-mm@kvack.org >=20 > Jason Gunthorpe (5): > mm/hmm: make CONFIG_DEVICE_PRIVATE into a select > mm/hmm: make hmm_range_fault return 0 or -1 > drm/amdgpu: remove dead code after hmm_range_fault() > mm/hmm: remove HMM_PFN_SPECIAL > mm/hmm: remove the customizable pfn format from hmm_range_fault Applied to hmm.git, thanks Jason