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=-3.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 03A51C4363D for ; Wed, 7 Oct 2020 14:58:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A68A92177B for ; Wed, 7 Oct 2020 14:58:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="EkrWq1Mr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728752AbgJGO6S (ORCPT ); Wed, 7 Oct 2020 10:58:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36164 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728746AbgJGO6R (ORCPT ); Wed, 7 Oct 2020 10:58:17 -0400 Received: from mail-qv1-xf41.google.com (mail-qv1-xf41.google.com [IPv6:2607:f8b0:4864:20::f41]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B8842C0613D3 for ; Wed, 7 Oct 2020 07:58:17 -0700 (PDT) Received: by mail-qv1-xf41.google.com with SMTP id 13so1277239qvc.9 for ; Wed, 07 Oct 2020 07:58:17 -0700 (PDT) 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; bh=P2gM9yMWULW8Gy0X53Dd8f+mRA7vL7mt4JQg7J+CsJg=; b=EkrWq1MrrRrhX94tY4shxt2sLz9reBBnaXPgSxaBe8tilDqy+2IS1g570qnI6q2Bwb VTZx0T7ukCpH2KhVpGwAlcgwN+08jcdBryOAUJsnrCoQ3sDIRGhbR49CMNFI4tETADRf CS4ynbPfqQ+EfaUNE0vtblxsA5wAfc6seY0Is0oCap6lr3N+S8vvfmpnh7Yelpm1c7B0 mLinWmmY747mC1qpUt2odZnzr8hLQog7wTcAPIaeK9bsSbxe6JHWZE+fIEJVz+CJIgTt 1IeH4KA8rzkLIgg5NfFox6GHYfwfLa/83FQ+yNgrLHAOFw09XKpj880UZUJDvOWgo7iE wzdQ== 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; bh=P2gM9yMWULW8Gy0X53Dd8f+mRA7vL7mt4JQg7J+CsJg=; b=JlhTzglcfcNZxF9N5D08Tq2aMX0O0qTSojsvN7Cpu1kQjz9kx5zRDqCcr0pycJACIC R+srP0hLn6aDbCbsNE28PuPWUE+hZvSBQgx9NNXpyFB2U1DbdfGNxrgJn8jO6nZwmNgn xZwSaR+pLU3hQN13vmeI7yDXOQOG30I4wTh3Ih/dBidB3GcYeGi/i9i1A2rQ4/3TDSdZ TQ7ntF+Bmmi86RcB9yfhGp3EGOHInZb1Pd6x1PmDu6P6IXks0bRXhQpYzC7FE4SYshqp 4NTjR+839cJS3/zEz16+T1FunQ/l0SzK0ITIcac6ik9yxxH2QLQ1535VCOw99a+xhzjY nxQw== X-Gm-Message-State: AOAM531rYWZdzetajXPMsY64ZLQgxwUL+pGC1jACxDiHNVj108HGBlRc /G0d+z79hmSPak+aqj3idPuQ5Q== X-Google-Smtp-Source: ABdhPJyjY3nHEt0ctmWulUEEoQC0sv3v89EPil6229gZRAfJaFF/qKe7nim9Rza8tp1X2JRL4Y6Eww== X-Received: by 2002:a05:6214:945:: with SMTP id dn5mr3776857qvb.56.1602082696901; Wed, 07 Oct 2020 07:58:16 -0700 (PDT) Received: from ziepe.ca (hlfxns017vw-156-34-48-30.dhcp-dynamic.fibreop.ns.bellaliant.net. [156.34.48.30]) by smtp.gmail.com with ESMTPSA id n7sm1705722qtp.93.2020.10.07.07.58.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Oct 2020 07:58:16 -0700 (PDT) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1kQAtT-000wnC-KC; Wed, 07 Oct 2020 11:58:15 -0300 Date: Wed, 7 Oct 2020 11:58:15 -0300 From: Jason Gunthorpe To: Tomasz Figa Cc: Daniel Vetter , Marek Szyprowski , DRI Development , LKML , Daniel Vetter , Andrew Morton , John Hubbard , =?utf-8?B?SsOpcsO0bWU=?= Glisse , Jan Kara , Dan Williams , Linux MM , Linux ARM , Pawel Osciak , Kyungmin Park , Inki Dae , Joonyoung Shim , Seung-Woo Kim , linux-samsung-soc , "open list:DMA BUFFER SHARING FRAMEWORK" , Oded Gabbay Subject: Re: [PATCH 2/2] mm/frame-vec: use FOLL_LONGTERM Message-ID: <20201007145815.GS5177@ziepe.ca> References: <725819e9-4f07-3f04-08f8-b6180406b339@samsung.com> <20201007124409.GN5177@ziepe.ca> <20201007130610.GP5177@ziepe.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org On Wed, Oct 07, 2020 at 04:11:59PM +0200, Tomasz Figa wrote: > We also need to bring back the vma_open() that somehow disappeared > around 4.2, as Marek found. No Jason