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=-4.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 04392C433DB for ; Wed, 17 Mar 2021 07:24:25 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7C3A964F30 for ; Wed, 17 Mar 2021 07:24:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7C3A964F30 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=w3Aap5cx2ArWi/PbjVADL1k8dTS4NPjd8vIsJEC/Gsg=; b=EGGnZ+eLt6dVax57M8nrzQlkl ao6BDImIpADYKUr8Y25Q3YYIfcURA/HcQOo/iJICWKj+KqxLqvhaVI1wlQCJmfyzEl59h50zaTuvA kPkjryu9k8KpFusQ2/OzdGOS54mdRBKTUgIDL/epa7vOy54aHso4SeCZMRNJeK4XW8hXz8bmuod7g PM0w/wRkjvofSJOMh7j1hL2H5Aqy0ikCAizgjnEbFP7l7Xw14rqF8tNSbMY3h0n3M9HXk7uRrCSd/ 5XfdUkTJV6k1pvDtRXpoNw6jmtQG7jEn8ZrgQw+Gp5oRXOzBPYhvX/9JMm9MswVL4+kojzUCf1f4U orUTQbbiQ==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lMQWA-002fA3-UW; Wed, 17 Mar 2021 07:22:59 +0000 Received: from casper.infradead.org ([90.155.50.34]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lMQW5-002f9g-KB for linux-arm-kernel@desiato.infradead.org; Wed, 17 Mar 2021 07:22:56 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=VgWremH0I10zTIm6kNKr7I2+jlh/Pgq8sbo0UnUFG0E=; b=EfM8/Q3qa7owXrxD2xbByTMBCc UUhCwPxAvE3Qk7tC5abxDLcA9s5y2ZKUPGF5hWctwYKb4Nn2nX04O4+uaY+ZLbGh4YfR/oJTx/q4B /7i++JYLd03hMb5X7tbEoXnY/CeLk88Q1DAzIiCQ4wyiMEx0gFta3wGDp9wO/I01tnKk0eCkP5ds2 1TRRkJ5dwk6DTrqIfCQlcBYjRdqkEZn+U1ADNC7qlhKZZUDT+ee5BIW6rr89U0o8640JvoEHVxuh1 /P7Sg724uFmxdbapDmMOr71b0Nh9XTVcei7a4V/hvQsdGJGzYw8OCfw2U3qWhTJ6y+8d31Yo41GV5 SmA58zaA==; Received: from hch by casper.infradead.org with local (Exim 4.94 #2 (Red Hat Linux)) id 1lMQW0-001Ckh-8P; Wed, 17 Mar 2021 07:22:49 +0000 Date: Wed, 17 Mar 2021 07:22:48 +0000 From: Christoph Hellwig To: Daniel Vetter Cc: Christoph Hellwig , DRI Development , LKML , KVM list , Linux MM , Linux ARM , linux-samsung-soc , "open list:DMA BUFFER SHARING FRAMEWORK" , Tomasz Figa , Hans Verkuil , Daniel Vetter , Jason Gunthorpe , Kees Cook , Dan Williams , Andrew Morton , John Hubbard , J??r??me Glisse , Jan Kara , Pawel Osciak , Marek Szyprowski , Kyungmin Park , Laurent Dufour , Vlastimil Babka , Daniel Jordan , Michel Lespinasse Subject: Re: [PATCH 2/3] media/videobuf1|2: Mark follow_pfn usage as unsafe Message-ID: <20210317072248.GA284559@infradead.org> References: <20210316153303.3216674-1-daniel.vetter@ffwll.ch> <20210316153303.3216674-3-daniel.vetter@ffwll.ch> <20210316154549.GA60450@infradead.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Mar 16, 2021 at 04:52:44PM +0100, Daniel Vetter wrote: > My understanding is mostly, but with some objections. And I kinda > don't want to let this die in a bikeshed and then not getting rid of > follow_pfn as a result. There's enough people who acked this, and the > full removal got some nack from Mauro iirc. Hmm, ok I must have missed that. I defintively prefer your series over doing nothing, but killing the dead horse ASAP would be even better. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel