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[209.85.220.65]) by mx.google.com with SMTPS id j21sor7920246otn.49.2019.03.19.10.34.09 for (Google Transport Security); Tue, 19 Mar 2019 10:34:09 -0700 (PDT) Received-SPF: pass (google.com: domain of dan.j.williams@intel.com designates 209.85.220.65 as permitted sender) client-ip=209.85.220.65; Authentication-Results: mx.google.com; dkim=pass header.i=@intel-com.20150623.gappssmtp.com header.s=20150623 header.b=sd6erl5p; spf=pass (google.com: domain of dan.j.williams@intel.com designates 209.85.220.65 as permitted sender) smtp.mailfrom=dan.j.williams@intel.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=intel-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Z8tMgR2jQ7qbI4Vk8rLBRaN7IkiS+UfqkL6XnvCw5WA=; b=sd6erl5p90ODa4X9rLL5PNnefwn2xpM5rzFHYDKW1il9SN+IjS81qvSWCiqL2a5zsG e6/jqjSFEdTp8yJcUzeafS4mbluGKJ4a2IEWQLXByCp6ERcA/W36tCuRJ+bO4jSRRVHG bYGgHwt85rtSYnJCptdiIpLo8DyJdLTM+daZgZOPO76M1mdIgUnPenogjSrtepNx9zXD BrgRfsSSEqFrGZ8DgZzweqxKmbP0iE4cXKRoW88XW0rlbWBXBp+SKGA/Ja2UsxehsCg/ 6CAHyNXw+DiwWe5PE1T/se5S+4uD2ijnKv0u1xqCInsGYhemYbH2NfHic9scwW78vL5i BK9A== X-Google-Smtp-Source: APXvYqwzgOn/nZ0ayGb5IqIAEXhqaIOpkNKvk+7zxMCPkmOTNxfkdseeIENR3VAu8FM7ml93AzeEPa6VcEXGk835FT4= X-Received: by 2002:a9d:2c23:: with SMTP id f32mr2407745otb.353.1553016848952; Tue, 19 Mar 2019 10:34:08 -0700 (PDT) MIME-Version: 1.0 References: <20190129165428.3931-1-jglisse@redhat.com> <20190313012706.GB3402@redhat.com> <20190313091004.b748502871ba0aa839b924e9@linux-foundation.org> <20190318170404.GA6786@redhat.com> <20190319094007.a47ce9222b5faacec3e96da4@linux-foundation.org> <20190319165802.GA3656@redhat.com> <20190319101249.d2076f4bacbef948055ae758@linux-foundation.org> <20190319171847.GC3656@redhat.com> In-Reply-To: <20190319171847.GC3656@redhat.com> From: Dan Williams Date: Tue, 19 Mar 2019 10:33:57 -0700 Message-ID: Subject: Re: [PATCH 00/10] HMM updates for 5.1 To: Jerome Glisse Cc: Andrew Morton , Linux MM , Linux Kernel Mailing List , Felix Kuehling , =?UTF-8?Q?Christian_K=C3=B6nig?= , Ralph Campbell , John Hubbard , Jason Gunthorpe , Alex Deucher Content-Type: text/plain; charset="UTF-8" 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 Tue, Mar 19, 2019 at 10:19 AM Jerome Glisse wrote: > > On Tue, Mar 19, 2019 at 10:12:49AM -0700, Andrew Morton wrote: > > On Tue, 19 Mar 2019 12:58:02 -0400 Jerome Glisse wrote: [..] > > Also, the discussion regarding [07/10] is substantial and is ongoing so > > please let's push along wth that. > > I can move it as last patch in the serie but it is needed for ODP RDMA > convertion too. Otherwise i will just move that code into the ODP RDMA > code and will have to move it again into HMM code once i am done with > the nouveau changes and in the meantime i expect other driver will want > to use this 2 helpers too. I still hold out hope that we can find a way to have productive discussions about the implementation of this infrastructure. Threatening to move the code elsewhere to bypass the feedback is not productive. > > > > > What is the review/discussion status of "[PATCH 09/10] mm/hmm: allow to > > mirror vma of a file on a DAX backed filesystem"? > > I explained that this is needed for the ODP RDMA convertion as ODP RDMA > does supported DAX today and thus i can not push that convertion without > that support as otherwise i would regress RDMA ODP. > > Also this is to be use by nouveau which is upstream and there is no > reasons to not support vma that happens to be mmap of a file on a file- > system that is using a DAX block device. > > I do not think Dan had any comment code wise, i think he was complaining > about the wording of the commit not being clear and i proposed an updated > wording that he seemed to like. Yes, please resend with the updated changelog and I'll ack.