Received: by 2002:a25:868d:0:0:0:0:0 with SMTP id z13csp431210ybk; Sat, 9 May 2020 07:11:53 -0700 (PDT) X-Google-Smtp-Source: APiQypKMs9lM9EnKfR1cpqqoE4eDdWoB0a5x8EpfkC4ySZ3Ijwm1qeG8csTV3zg2zsf7jX+X5sQE X-Received: by 2002:a17:906:7c42:: with SMTP id g2mr6347502ejp.328.1589033512987; Sat, 09 May 2020 07:11:52 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1589033512; cv=none; d=google.com; s=arc-20160816; b=zneEH5oivVBB2+FQqzHqY98gmrezc7JHT9qqV7iHu/6A7Nxc8ifWzjehxcENMl2PfI yJVFn/GpmVQl6lvPtijdXnNnS/A90LIan5mJI9dTQhbssZc7N/i7pJnOIwVwtKBw6wo8 Dkcdk6aEeCro6bC10UcF5EwUBv+7fzAmqGryGGFimgUnkwewYa3vQ2z0b8pRDRQ9nEbw 4Nkqw/V5bNfrcu5IkkgzbhlsTvS3Q+u0W/YEhUVasmG/AqTA6J2fTcFe7PAFJUJi7RnS PCejM3PtVjU76YUkVKTv998l59btZUERGmRkP10D7mJ/hxNwuLsZhia8K/mmnlxc5O97 IdUw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:autocrypt:from:references:cc:to:subject:dkim-signature; bh=94YdloZCd18Hbfz668vCv/AFqRg48orR1W38GnnAJmk=; b=Qmwrhs7RuYRFw9PRvPcjQTnzsEhCtuyg8KStWu7JgS+C69jOD5lMUm9FLSclVO1Hig AaRCpMNUJw9tCEaqmMD2CrY6TjhSh+kZIZAS8n4tOV5us043BO8chfO++XDeUI+JLzDb hsIg7yPNLRoPxUd0PG1lgJrdYtKLNlEhNcKXJkW8/kDSnc5tm3+wY6OykuzhG3hYhIuE ok5UJLKV5gqznbRymFQr/S7dBlaBLRQ+cHs66kEiqgGwlXjAORlgEi6wrQiFYL5QWbyN cD42KZ4Orj8iNreDYdWd3lEmawyIOTiS58o8TQ4d9XedNf/dQ1fzqqOk87I7HMf8Zj90 pkUw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@ozlabs-ru.20150623.gappssmtp.com header.s=20150623 header.b=vtCcRST1; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id l27si2879247edj.537.2020.05.09.07.11.29; Sat, 09 May 2020 07:11:52 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@ozlabs-ru.20150623.gappssmtp.com header.s=20150623 header.b=vtCcRST1; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728040AbgEIOHu (ORCPT + 99 others); Sat, 9 May 2020 10:07:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42552 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727986AbgEIOHt (ORCPT ); Sat, 9 May 2020 10:07:49 -0400 Received: from mail-pl1-x643.google.com (mail-pl1-x643.google.com [IPv6:2607:f8b0:4864:20::643]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7BFB3C061A0C for ; Sat, 9 May 2020 07:07:48 -0700 (PDT) Received: by mail-pl1-x643.google.com with SMTP id f15so1961228plr.3 for ; Sat, 09 May 2020 07:07:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ozlabs-ru.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:autocrypt:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=94YdloZCd18Hbfz668vCv/AFqRg48orR1W38GnnAJmk=; b=vtCcRST1mOjg81DW19JDnUeJxH13OpSGJlKIPkv4OgvNKt+5jRNxdzXN2gm7HRBIql 6vpGhpERg5AWkC8xvmq9LPB0SgyJRaRE5fQB1109KRc2Gl2Yt9aODlkIc8ZBOp9BY/jP IgZ4Lp/c31l+eHf2z7v4t7dUElVwoFA+dyRprEYSa20rgyDP4y+22NBYkCak+qkOwrMQ ZR8rEm0zPcfk8p71jglpP+6kxItphs+ZjdTnbPJ+hARXWbQdJZaUay3jgacH0vgTaGUf 5aLBI/BIGKcWdS9rF3nn71jdBzp/4adEAcXNOgA9OC7GFXWaIEtN3d49LwIrDNjI7ksF LQ8Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=94YdloZCd18Hbfz668vCv/AFqRg48orR1W38GnnAJmk=; b=kxjfHC1gB7tRvz2IOcPDcVNKhH/lTjnWvRc9MLtUwsCcxesrEr7l2OBsqYIO0324Mk AYjHwNA8vEa/rFA4nu/hucFHJahqG7nfl2t64Limer53fu+tQ4IvzStG8Ilbx0GJXhPD W/LMl9gIcJFVDaz2rJSGJqbqN6T31MZlbUqcQcLDpl6mdaHZdqrH93IFo1fs/ZRXM6l+ +AT+zvETnzAPna+tADAmWq0r3ZouVKWzPOsjVylt59oiy17HXzTBIHDLJFu8Sn3NpE6Z mZpbPxGZmgthMr+Ob6r3S2m/nLxEKS4iHJPWO1Lutj9dvWjeqktAGI4REhLeT++qyL3w nK9w== X-Gm-Message-State: AGi0PuaP5mCmM+ogp3NRdE7HDqH6pxyoXhx6O1HsiF19Br2/tQDk7vAv Y9iViHBaYqRDWhbruchgcPe9Aw== X-Received: by 2002:a17:90a:fd89:: with SMTP id cx9mr11688015pjb.64.1589033267994; Sat, 09 May 2020 07:07:47 -0700 (PDT) Received: from [192.168.10.94] (124-171-84-191.dyn.iinet.net.au. [124.171.84.191]) by smtp.gmail.com with ESMTPSA id d20sm3785741pgl.72.2020.05.09.07.07.44 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 09 May 2020 07:07:47 -0700 (PDT) Subject: Re: [PATCH 1/4] dma-mapping: move the remaining DMA API calls out of line To: Christoph Hellwig Cc: iommu@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org, Lu Baolu , Greg Kroah-Hartman , Joerg Roedel , Robin Murphy , linux-kernel@vger.kernel.org, Michael Ellerman References: <20200414122506.438134-1-hch@lst.de> <20200414122506.438134-2-hch@lst.de> <20200415061859.GA32392@lst.de> <5139e8e1-6389-3387-dc39-6983b08ff28d@ozlabs.ru> <20200417075852.GA20049@lst.de> <70296d53-3504-2645-4b16-0eb73b0cd0d9@ozlabs.ru> <20200509081946.GA21834@lst.de> From: Alexey Kardashevskiy Autocrypt: addr=aik@ozlabs.ru; keydata= mQINBE+rT0sBEADFEI2UtPRsLLvnRf+tI9nA8T91+jDK3NLkqV+2DKHkTGPP5qzDZpRSH6mD EePO1JqpVuIow/wGud9xaPA5uvuVgRS1q7RU8otD+7VLDFzPRiRE4Jfr2CW89Ox6BF+q5ZPV /pS4v4G9eOrw1v09lEKHB9WtiBVhhxKK1LnUjPEH3ifkOkgW7jFfoYgTdtB3XaXVgYnNPDFo PTBYsJy+wr89XfyHr2Ev7BB3Xaf7qICXdBF8MEVY8t/UFsesg4wFWOuzCfqxFmKEaPDZlTuR tfLAeVpslNfWCi5ybPlowLx6KJqOsI9R2a9o4qRXWGP7IwiMRAC3iiPyk9cknt8ee6EUIxI6 t847eFaVKI/6WcxhszI0R6Cj+N4y+1rHfkGWYWupCiHwj9DjILW9iEAncVgQmkNPpUsZECLT WQzMuVSxjuXW4nJ6f4OFHqL2dU//qR+BM/eJ0TT3OnfLcPqfucGxubhT7n/CXUxEy+mvWwnm s9p4uqVpTfEuzQ0/bE6t7dZdPBua7eYox1AQnk8JQDwC3Rn9kZq2O7u5KuJP5MfludMmQevm pHYEMF4vZuIpWcOrrSctJfIIEyhDoDmR34bCXAZfNJ4p4H6TPqPh671uMQV82CfTxTrMhGFq 8WYU2AH86FrVQfWoH09z1WqhlOm/KZhAV5FndwVjQJs1MRXD8QARAQABtCRBbGV4ZXkgS2Fy ZGFzaGV2c2tpeSA8YWlrQG96bGFicy5ydT6JAjgEEwECACIFAk+rT0sCGwMGCwkIBwMCBhUI AgkKCwQWAgMBAh4BAheAAAoJEIYTPdgrwSC5fAIP/0wf/oSYaCq9PhO0UP9zLSEz66SSZUf7 AM9O1rau1lJpT8RoNa0hXFXIVbqPPKPZgorQV8SVmYRLr0oSmPnTiZC82x2dJGOR8x4E01gK TanY53J/Z6+CpYykqcIpOlGsytUTBA+AFOpdaFxnJ9a8p2wA586fhCZHVpV7W6EtUPH1SFTQ q5xvBmr3KkWGjz1FSLH4FeB70zP6uyuf/B2KPmdlPkyuoafl2UrU8LBADi/efc53PZUAREih sm3ch4AxaL4QIWOmlE93S+9nHZSRo9jgGXB1LzAiMRII3/2Leg7O4hBHZ9Nki8/fbDo5///+ kD4L7UNbSUM/ACWHhd4m1zkzTbyRzvL8NAVQ3rckLOmju7Eu9whiPueGMi5sihy9VQKHmEOx OMEhxLRQbzj4ypRLS9a+oxk1BMMu9cd/TccNy0uwx2UUjDQw/cXw2rRWTRCxoKmUsQ+eNWEd iYLW6TCfl9CfHlT6A7Zmeqx2DCeFafqEd69DqR9A8W5rx6LQcl0iOlkNqJxxbbW3ddDsLU/Y r4cY20++WwOhSNghhtrroP+gouTOIrNE/tvG16jHs8nrYBZuc02nfX1/gd8eguNfVX/ZTHiR gHBWe40xBKwBEK2UeqSpeVTohYWGBkcd64naGtK9qHdo1zY1P55lHEc5Uhlk743PgAnOi27Q ns5zuQINBE+rT0sBEACnV6GBSm+25ACT+XAE0t6HHAwDy+UKfPNaQBNTTt31GIk5aXb2Kl/p AgwZhQFEjZwDbl9D/f2GtmUHWKcCmWsYd5M/6Ljnbp0Ti5/xi6FyfqnO+G/wD2VhGcKBId1X Em/B5y1kZVbzcGVjgD3HiRTqE63UPld45bgK2XVbi2+x8lFvzuFq56E3ZsJZ+WrXpArQXib2 hzNFwQleq/KLBDOqTT7H+NpjPFR09Qzfa7wIU6pMNF2uFg5ihb+KatxgRDHg70+BzQfa6PPA o1xioKXW1eHeRGMmULM0Eweuvpc7/STD3K7EJ5bBq8svoXKuRxoWRkAp9Ll65KTUXgfS+c0x gkzJAn8aTG0z/oEJCKPJ08CtYQ5j7AgWJBIqG+PpYrEkhjzSn+DZ5Yl8r+JnZ2cJlYsUHAB9 jwBnWmLCR3gfop65q84zLXRQKWkASRhBp4JK3IS2Zz7Nd/Sqsowwh8x+3/IUxVEIMaVoUaxk Wt8kx40h3VrnLTFRQwQChm/TBtXqVFIuv7/Mhvvcq11xnzKjm2FCnTvCh6T2wJw3de6kYjCO 7wsaQ2y3i1Gkad45S0hzag/AuhQJbieowKecuI7WSeV8AOFVHmgfhKti8t4Ff758Z0tw5Fpc BFDngh6Lty9yR/fKrbkkp6ux1gJ2QncwK1v5kFks82Cgj+DSXK6GUQARAQABiQIfBBgBAgAJ BQJPq09LAhsMAAoJEIYTPdgrwSC5NYEP/2DmcEa7K9A+BT2+G5GXaaiFa098DeDrnjmRvumJ BhA1UdZRdfqICBADmKHlJjj2xYo387sZpS6ABbhrFxM6s37g/pGPvFUFn49C47SqkoGcbeDz Ha7JHyYUC+Tz1dpB8EQDh5xHMXj7t59mRDgsZ2uVBKtXj2ZkbizSHlyoeCfs1gZKQgQE8Ffc F8eWKoqAQtn3j4nE3RXbxzTJJfExjFB53vy2wV48fUBdyoXKwE85fiPglQ8bU++0XdOr9oyy j1llZlB9t3tKVv401JAdX8EN0++ETiOovQdzE1m+6ioDCtKEx84ObZJM0yGSEGEanrWjiwsa nzeK0pJQM9EwoEYi8TBGhHC9ksaAAQipSH7F2OHSYIlYtd91QoiemgclZcSgrxKSJhyFhmLr QEiEILTKn/pqJfhHU/7R7UtlDAmFMUp7ByywB4JLcyD10lTmrEJ0iyRRTVfDrfVP82aMBXgF tKQaCxcmLCaEtrSrYGzd1sSPwJne9ssfq0SE/LM1J7VdCjm6OWV33SwKrfd6rOtvOzgadrG6 3bgUVBw+bsXhWDd8tvuCXmdY4bnUblxF2B6GOwSY43v6suugBttIyW5Bl2tXSTwP+zQisOJo +dpVG2pRr39h+buHB3NY83NEPXm1kUOhduJUA17XUY6QQCAaN4sdwPqHq938S3EmtVhsuQIN BFq54uIBEACtPWrRdrvqfwQF+KMieDAMGdWKGSYSfoEGGJ+iNR8v255IyCMkty+yaHafvzpl PFtBQ/D7Fjv+PoHdFq1BnNTk8u2ngfbre9wd9MvTDsyP/TmpF0wyyTXhhtYvE267Av4X/BQT lT9IXKyAf1fP4BGYdTNgQZmAjrRsVUW0j6gFDrN0rq2J9emkGIPvt9rQt6xGzrd6aXonbg5V j6Uac1F42ESOZkIh5cN6cgnGdqAQb8CgLK92Yc8eiCVCH3cGowtzQ2m6U32qf30cBWmzfSH0 HeYmTP9+5L8qSTA9s3z0228vlaY0cFGcXjdodBeVbhqQYseMF9FXiEyRs28uHAJEyvVZwI49 CnAgVV/n1eZa5qOBpBL+ZSURm8Ii0vgfvGSijPGbvc32UAeAmBWISm7QOmc6sWa1tobCiVmY SNzj5MCNk8z4cddoKIc7Wt197+X/X5JPUF5nQRvg3SEHvfjkS4uEst9GwQBpsbQYH9MYWq2P PdxZ+xQE6v7cNB/pGGyXqKjYCm6v70JOzJFmheuUq0Ljnfhfs15DmZaLCGSMC0Amr+rtefpA y9FO5KaARgdhVjP2svc1F9KmTUGinSfuFm3quadGcQbJw+lJNYIfM7PMS9fftq6vCUBoGu3L j4xlgA/uQl/LPneu9mcvit8JqcWGS3fO+YeagUOon1TRqQARAQABiQRsBBgBCAAgFiEEZSrP ibrORRTHQ99dhhM92CvBILkFAlq54uICGwICQAkQhhM92CvBILnBdCAEGQEIAB0WIQQIhvWx rCU+BGX+nH3N7sq0YorTbQUCWrni4gAKCRDN7sq0YorTbVVSD/9V1xkVFyUCZfWlRuryBRZm S4GVaNtiV2nfUfcThQBfF0sSW/aFkLP6y+35wlOGJE65Riw1C2Ca9WQYk0xKvcZrmuYkK3DZ 0M9/Ikkj5/2v0vxz5Z5w/9+IaCrnk7pTnHZuZqOh23NeVZGBls/IDIvvLEjpD5UYicH0wxv+ X6cl1RoP2Kiyvenf0cS73O22qSEw0Qb9SId8wh0+ClWet2E7hkjWFkQfgJ3hujR/JtwDT/8h 3oCZFR0KuMPHRDsCepaqb/k7VSGTLBjVDOmr6/C9FHSjq0WrVB9LGOkdnr/xcISDZcMIpbRm EkIQ91LkT/HYIImL33ynPB0SmA+1TyMgOMZ4bakFCEn1vxB8Ir8qx5O0lHMOiWMJAp/PAZB2 r4XSSHNlXUaWUg1w3SG2CQKMFX7vzA31ZeEiWO8tj/c2ZjQmYjTLlfDK04WpOy1vTeP45LG2 wwtMA1pKvQ9UdbYbovz92oyZXHq81+k5Fj/YA1y2PI4MdHO4QobzgREoPGDkn6QlbJUBf4To pEbIGgW5LRPLuFlOPWHmIS/sdXDrllPc29aX2P7zdD/ivHABslHmt7vN3QY+hG0xgsCO1JG5 pLORF2N5XpM95zxkZqvYfC5tS/qhKyMcn1kC0fcRySVVeR3tUkU8/caCqxOqeMe2B6yTiU1P aNDq25qYFLeYxg67D/4w/P6BvNxNxk8hx6oQ10TOlnmeWp1q0cuutccblU3ryRFLDJSngTEu ZgnOt5dUFuOZxmMkqXGPHP1iOb+YDznHmC0FYZFG2KAc9pO0WuO7uT70lL6larTQrEneTDxQ CMQLP3qAJ/2aBH6SzHIQ7sfbsxy/63jAiHiT3cOaxAKsWkoV2HQpnmPOJ9u02TPjYmdpeIfa X2tXyeBixa3i/6dWJ4nIp3vGQicQkut1YBwR7dJq67/FCV3Mlj94jI0myHT5PIrCS2S8LtWX ikTJSxWUKmh7OP5mrqhwNe0ezgGiWxxvyNwThOHc5JvpzJLd32VDFilbxgu4Hhnf6LcgZJ2c Zd44XWqUu7FzVOYaSgIvTP0hNrBYm/E6M7yrLbs3JY74fGzPWGRbBUHTZXQEqQnZglXaVB5V ZhSFtHopZnBSCUSNDbB+QGy4B/E++Bb02IBTGl/JxmOwG+kZUnymsPvTtnNIeTLHxN/H/ae0 c7E5M+/NpslPCmYnDjs5qg0/3ihh6XuOGggZQOqrYPC3PnsNs3NxirwOkVPQgO6mXxpuifvJ DG9EMkK8IBXnLulqVk54kf7fE0jT/d8RTtJIA92GzsgdK2rpT1MBKKVffjRFGwN7nQVOzi4T XrB5p+6ML7Bd84xOEGsj/vdaXmz1esuH7BOZAGEZfLRCHJ0GVCSssg== Message-ID: Date: Sun, 10 May 2020 00:07:40 +1000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200509081946.GA21834@lst.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/05/2020 18:19, Christoph Hellwig wrote: > On Tue, May 05, 2020 at 02:18:37PM +1000, Alexey Kardashevskiy wrote: >> >> >> On 17/04/2020 17:58, Christoph Hellwig wrote: >>> On Wed, Apr 15, 2020 at 09:21:37PM +1000, Alexey Kardashevskiy wrote: >>>> And the fact they were exported leaves possibility that there is a >>>> driver somewhere relying on these symbols or distro kernel won't build >>>> because the symbol disappeared from exports (I do not know what KABI >>>> guarantees or if mainline kernel cares). >>> >>> We absolutely do not care. In fact for abuses of APIs that drivers >>> should not use we almost care to make them private and break people >>> abusing them. >> >> ok :) >> >>>> I do not care in particular but >>>> some might, a line separated with empty lines in the commit log would do. >>> >>> I'll add a blurb for the next version. >> >> >> Has it gone anywhere? Thanks, > > I've been hoping for the sg_buf helpers to land first, as they need > backporting and would conflict. Do you urgently need the series? Nah, not that urgent. Thanks, -- Alexey