From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE2CBC43215 for ; Tue, 19 Nov 2019 18:49:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A04A12240A for ; Tue, 19 Nov 2019 18:49:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="LWkZy3XB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727494AbfKSSte (ORCPT ); Tue, 19 Nov 2019 13:49:34 -0500 Received: from mail-qt1-f196.google.com ([209.85.160.196]:43561 "EHLO mail-qt1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726948AbfKSSte (ORCPT ); Tue, 19 Nov 2019 13:49:34 -0500 Received: by mail-qt1-f196.google.com with SMTP id j5so24370137qtn.10 for ; Tue, 19 Nov 2019 10:49:32 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=BJFjHdyYM1vthkxjAoIbMlTbG4D7GBxFdcFj8PnQrWU=; b=LWkZy3XBK+6fGHfABcaDNWAQdmYW0o01piJuPCdyzNiafR4t07GJfwj6NHL05dXF9U FXWYX2PH725IYUJa0tVNtMVie9x7mgqL09kVIr11c/0byg0MZMW2XJohLeQeoTvKBn44 aVMBPUgeTHsVuZj8qk1CSdiDe5b65iQ8CKrFIhoIVjFU1tbijp4dztUugaNxljdz0KpG ufVho8Y+VpFtgBdLC3pC1LhcKaOCHvGCtctlP/fxfHCrGsz1N/0XspeaUTxCk3mdQRAa BDCehThqrGIZ7uWAhtTcoOU4+wWrmyEv7R6XYFPuJtz5/EaPhYCMatC/0VvDlWFKLBZt 1K+g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=BJFjHdyYM1vthkxjAoIbMlTbG4D7GBxFdcFj8PnQrWU=; b=dQocFQiC/s+W9n6+8k5P8a+k0nwpPsvnH2C3oBPeAILAWtyyFpu+9FDUhu0T/ur0AG GcJY6WFPoXvDV4QiAzj/N69U0N/UrpZkG5Ov/hYs0flt23MQHfQeL4RJrDYImkd1Sjdn baO8DUI+Wi3z/4JyokAfWRPWeqSFSrLThX3sXNfuhHIjZ2AHAjaTl2ebtoXX3R0E3+mY nYXiPCO+241qGTAxWVo/yMwYnvoUz7/DLn1TmNTjqHfNe2Yq1cOMNRGS0xcsRy6vhT0R VP2B5UoMCEv6lnEPFJkuUqF2Jl66Wn0fGFlP5t9fv8PiXNy37OiOtDR9Jng5XQhps+Ys e+jw== X-Gm-Message-State: APjAAAXMx/u0NB2QC4JLjDhbGfEAxxvT9o3i2x9fFIDfRO2yVtJp6eCT pVzP80Kt6K5EVI+mo0kWaZlgWMQkZAM= X-Google-Smtp-Source: APXvYqzh35+Ds32uBQz9Hp5oJ/hmQ+f4/zOs04uAR5OrQyFAqc0W+LMwbdKO3lqExiqyacnIDVWJuQ== X-Received: by 2002:ac8:458c:: with SMTP id l12mr34922827qtn.300.1574189371993; Tue, 19 Nov 2019 10:49:31 -0800 (PST) Received: from ziepe.ca (hlfxns017vw-142-162-113-180.dhcp-dynamic.fibreop.ns.bellaliant.net. [142.162.113.180]) by smtp.gmail.com with ESMTPSA id b185sm10622433qkg.45.2019.11.19.10.49.31 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 19 Nov 2019 10:49:31 -0800 (PST) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1iX8Z9-0002Oe-53; Tue, 19 Nov 2019 14:49:31 -0400 Date: Tue, 19 Nov 2019 14:49:31 -0400 From: Jason Gunthorpe To: Jerome Glisse Cc: Christoph Hellwig , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mm/hmm: remove hmm_range_dma_map and hmm_range_dma_unmap Message-ID: <20191119184931.GJ4991@ziepe.ca> References: <20191113134528.21187-1-hch@lst.de> <20191113184943.GA4319@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191113184943.GA4319@redhat.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Nov 13, 2019 at 01:49:43PM -0500, Jerome Glisse wrote: > On Wed, Nov 13, 2019 at 02:45:28PM +0100, Christoph Hellwig wrote: > > These two functions have never been used since they were added. > > The mlx5 convertion (which has been posted few times now) uses them > dunno what Jason plans is on that front. IMHO if ODP is going to be the only user then we should just keep the existing ODP code. Lets drop them until someone can come up with a series to migrate several drivers.. It is small so it would not be hard to bring them back if needed. So applied to hmm.git Thanks, Jason