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[213.95.11.211]) by mx.google.com with ESMTPS id c1si1205130wmk.119.2019.06.13.23.48.50 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 13 Jun 2019 23:48:51 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of hch@lst.de designates 213.95.11.211 as permitted sender) client-ip=213.95.11.211; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of hch@lst.de designates 213.95.11.211 as permitted sender) smtp.mailfrom=hch@lst.de Received: by newverein.lst.de (Postfix, from userid 2407) id AC5EF68B05; Fri, 14 Jun 2019 08:48:23 +0200 (CEST) Date: Fri, 14 Jun 2019 08:48:23 +0200 From: Christoph Hellwig To: John Hubbard Cc: Christoph Hellwig , Dan Williams , =?iso-8859-1?B?Suly9G1l?= Glisse , Jason Gunthorpe , Ben Skeggs , linux-nvdimm@lists.01.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-mm@kvack.org, nouveau@lists.freedesktop.org Subject: Re: [Nouveau] [PATCH 22/22] mm: don't select MIGRATE_VMA_HELPER from HMM_MIRROR Message-ID: <20190614064823.GO7246@lst.de> References: <20190613094326.24093-1-hch@lst.de> <20190613094326.24093-23-hch@lst.de> <7f6c6837-93cd-3b89-63fb-7a60d906c70c@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <7f6c6837-93cd-3b89-63fb-7a60d906c70c@nvidia.com> User-Agent: Mutt/1.5.17 (2007-11-01) 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 Thu, Jun 13, 2019 at 06:53:15PM -0700, John Hubbard wrote: > For those who have out of tree drivers that need migrate_vma(), but are not > Nouveau, could we pretty please allow a way to select that independently? No. The whole point is to not build this fairly big chunk of code in unless we have a user in the tree.