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=-8.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 7BF80C433E6 for ; Sun, 27 Dec 2020 21:08:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4B20120754 for ; Sun, 27 Dec 2020 21:08:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726305AbgL0VHt (ORCPT ); Sun, 27 Dec 2020 16:07:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43168 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726199AbgL0VHt (ORCPT ); Sun, 27 Dec 2020 16:07:49 -0500 X-Greylist: delayed 16457 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Sun, 27 Dec 2020 13:07:08 PST Received: from meesny.iki.fi (meesny.iki.fi [IPv6:2001:67c:2b0:1c1::201]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C90F5C061795; Sun, 27 Dec 2020 13:07:08 -0800 (PST) Received: from [IPv6:2001:14ba:a809:f00:1137:69c3:b9fb:26c] (d1yft0yyvh9z8jrs7yl2y-3.rev.dnainternet.fi [IPv6:2001:14ba:a809:f00:1137:69c3:b9fb:26c]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: jussi.kivilinna) by meesny.iki.fi (Postfix) with ESMTPSA id 8402D20179; Sun, 27 Dec 2020 23:07:03 +0200 (EET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=iki.fi; s=meesny; t=1609103223; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pSkhHgANc1p6Fjud3MYN6cMvyVc4SUF9sTF7UEzXJQ8=; b=MhSuNSkwhU8ZcATckKDT799JtbJLRr6Xqt+0BMenmBMiC+AgRep/dth6qSxByXgZ/vnkXU WAb+v17hdiy6TKJSIUzsXXLXOEjY873gFU+M1jWIzUQUHa+Px2zzVtmO2M2QIDM1XyZt1a Dqn4L01oVDrYrLZQIj3bd2yg5uDcuTI= Subject: Re: LXC broken with 5.10-stable?, ok with 5.9-stable (Re: Linux 5.10.3) To: Linus Torvalds Cc: Greg Kroah-Hartman , Linux Kernel Mailing List , Andrew Morton , stable , lwn@lwn.net, Jiri Slaby References: <16089960203931@kroah.com> <5ab86253-7703-e892-52b7-e6a8af579822@iki.fi> From: Jussi Kivilinna Message-ID: Date: Sun, 27 Dec 2020 23:07:03 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.5.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit ARC-Seal: i=1; s=meesny; d=iki.fi; t=1609103223; a=rsa-sha256; cv=none; b=Ouv+RYlHmw3rknkGkZEaffSNQna9egqsWbRJ9dV+C/dM7zS1LJO4XxDJWLhmd2KZAGgNII vzvuEiS8EGE+7KkxjS0vb0ZhpJmRKAerIKSFeimrQbcUecGOW+wXBUI/De5rag5TohzLQg cii+XxyvwHdhCo1f5xMVRHqF1Vhrk9M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=iki.fi; s=meesny; t=1609103223; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pSkhHgANc1p6Fjud3MYN6cMvyVc4SUF9sTF7UEzXJQ8=; b=McIPRkwX4H6/3Yl225n+73sJAXNUV+A6AMHL/5FC3IhIlOdxVbHKSWtaxmmAMsPQ6v6DRE G1dYrYBT4e3n4WNcn2RIA1mX5rSJluRJdnW4bIOVmGAqcL5/mrYB9rRJ2yCD1/ht8MltZs F6+47il7mMVCfTDgrUOp6y+SNB8vTco= ARC-Authentication-Results: i=1; ORIGINATING; auth=pass smtp.auth=jussi.kivilinna smtp.mailfrom=jussi.kivilinna@iki.fi Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 27.12.2020 21.05, Linus Torvalds wrote: > On Sun, Dec 27, 2020 at 10:39 AM Jussi Kivilinna wrote: >> >> 5.10.3 with patch compiles fine, but does not solve the issue. > > Duh. adding the read_iter only fixes kernel_read(). For splice, it also needs a > > .splice_read = generic_file_splice_read, > > in the file operations, something like this... > > Does that get things working? > Yes, LXC works for me now. Thanks. -Jussi