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=-1.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 D9516C5B57D for ; Fri, 5 Jul 2019 05:09:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A36EE218A6 for ; Fri, 5 Jul 2019 05:09:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562303376; bh=wR0nIi/UwUMSGPluFPib5tDAspOm5XZsVqmm1CXmVbI=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=PISsOc4ZZJCXq2iPbnJdQwm3qF5VQk8PYXgrRQyIZPGK3ksOZ6kv9LVYpdaZkZ2ZH 2SwEqEsC9cNGiRJS7iaZ92oryvarPS9kk4x0W5tlQz3h++cWhiJyX1cl/4IxZFq2Fe HoTYC5ywbzVeilsNG6+Z21sP3eHyUBm0ERKpVMTs= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726889AbfGEFJf (ORCPT ); Fri, 5 Jul 2019 01:09:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:46600 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725763AbfGEFJd (ORCPT ); Fri, 5 Jul 2019 01:09:33 -0400 Received: from localhost.localdomain (c-73-223-200-170.hsd1.ca.comcast.net [73.223.200.170]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D6E60216FD; Fri, 5 Jul 2019 05:09:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562303372; bh=wR0nIi/UwUMSGPluFPib5tDAspOm5XZsVqmm1CXmVbI=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=P4OKl98fb+ZjukTs3Ul4LHLQpf19ItTNbpCiXVHaBroJKo7juozWa9+rwg+QRVQ5r KHDL6G4XIRLw/7Hcr62hm8VB026oIHTxuCDJEdVV9wXflap1la8mnA35HpNM/jD+sM eVmCLoL5d4v2SVi4yQcZ9e0avu4YcRam0u8fWNb0= Date: Thu, 4 Jul 2019 22:09:31 -0700 From: Andrew Morton To: Stephen Rothwell Cc: Masahiro Yamada , Randy Dunlap , Mark Brown , linux-fsdevel@vger.kernel.org, Linux Kernel Mailing List , linux-mm@kvack.org, Linux-Next Mailing List , mhocko@suse.cz, mm-commits@vger.kernel.org, Michal Wajdeczko , Daniel Vetter , Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , Intel Graphics , DRI , Chris Wilson Subject: Re: mmotm 2019-07-04-15-01 uploaded (gpu/drm/i915/oa/) Message-Id: <20190704220931.f1bd2462907901f9e7aca686@linux-foundation.org> In-Reply-To: <20190705131435.58c2be19@canb.auug.org.au> References: <20190704220152.1bF4q6uyw%akpm@linux-foundation.org> <80bf2204-558a-6d3f-c493-bf17b891fc8a@infradead.org> <20190705131435.58c2be19@canb.auug.org.au> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 5 Jul 2019 13:14:35 +1000 Stephen Rothwell wrote: > > I checked next-20190704 tag. > > > > I see the empty file > > drivers/gpu/drm/i915/oa/Makefile > > > > Did someone delete it? > > Commit > > 5ed7a0cf3394 ("drm/i915: Move OA files to separate folder") > > from the drm-intel tree seems to have created it as an empty file. hrm. diff(1) doesn't seem to know how to handle a zero-length file. y:/home/akpm> mkdir foo y:/home/akpm> cd foo y:/home/akpm/foo> touch x y:/home/akpm/foo> diff -uN x y y:/home/akpm/foo> date > x y:/home/akpm/foo> diff -uN x y --- x 2019-07-04 21:58:37.815028211 -0700 +++ y 1969-12-31 16:00:00.000000000 -0800 @@ -1 +0,0 @@ -Thu Jul 4 21:58:37 PDT 2019 So when comparing a zero-length file with a non-existent file, diff produces no output. This'll make things happy. And I guess it should be done to protect all the valuable intellectual property in that file. --- /dev/null +++ a/drivers/gpu/drm/i915/oa/Makefile @@ -0,0 +1 @@ +# SPDX-License-Identifier: GPL-2.0 _