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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7D175C433EF for ; Thu, 19 May 2022 18:44:18 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D6BAB6B0071; Thu, 19 May 2022 14:44:17 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id CF63C6B0072; Thu, 19 May 2022 14:44:17 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B6DF86B0073; Thu, 19 May 2022 14:44:17 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) by kanga.kvack.org (Postfix) with ESMTP id A16696B0071 for ; Thu, 19 May 2022 14:44:17 -0400 (EDT) Received: from smtpin29.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 75A4433D02 for ; Thu, 19 May 2022 18:44:17 +0000 (UTC) X-FDA: 79483367754.29.0341BAD Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by imf30.hostedemail.com (Postfix) with ESMTP id BA5F880003 for ; Thu, 19 May 2022 18:43:51 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 5CFBACE270A; Thu, 19 May 2022 18:44:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 20673C34100; Thu, 19 May 2022 18:44:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1652985851; bh=LV7LTnAH/p1rCGESk6oys94gfkqXoBT21ZKPBvHkVag=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=PJntBITtl+Ix70J0sB1XcPAphJMOsg4aFBWMHvc0SY2z73uU+bdYPDEbFBi+d1k76 ysN5otvLvJDv0wXhWJUhkShJ6y0IswWrsq/4D0zNAN/gjfwPvXK6nuH5Fo5/HvjFsM DcteBtGl6sEhkNPBAN1XO2L3TUlpiYC03t69XjLY= Date: Thu, 19 May 2022 11:44:10 -0700 From: Andrew Morton To: Guenter Roeck Cc: kernel test robot , linux-staging@lists.linux.dev, linux-omap@vger.kernel.org, linux-nvme@lists.infradead.org, linux-hwmon@vger.kernel.org, linux-fbdev@vger.kernel.org, kvm@vger.kernel.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, Linux Memory Management List , Geert Uytterhoeven Subject: Re: [linux-next:master] BUILD REGRESSION 736ee37e2e8eed7fe48d0a37ee5a709514d478b3 Message-Id: <20220519114410.638baa38ab2067884600cb72@linux-foundation.org> In-Reply-To: <0530d502-1291-23f3-64ac-97bd38a26bd4@roeck-us.net> References: <6285958d.+Z2aDZ4O1Y9eiazd%lkp@intel.com> <0530d502-1291-23f3-64ac-97bd38a26bd4@roeck-us.net> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: BA5F880003 X-Stat-Signature: mchcomzsaugdkaok1nk3t8bz31s7mms4 Authentication-Results: imf30.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=PJntBITt; dmarc=none; spf=pass (imf30.hostedemail.com: domain of akpm@linux-foundation.org designates 145.40.73.55 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org X-Rspam-User: X-HE-Tag: 1652985831-950708 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, 18 May 2022 20:41:27 -0700 Guenter Roeck wrote: > On 5/18/22 17:55, kernel test robot wrote: > > tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > > branch HEAD: 736ee37e2e8eed7fe48d0a37ee5a709514d478b3 Add linux-next specific files for 20220518 > > > > Error/Warning reports: > > > > https://lore.kernel.org/linux-mm/202204291924.vTGZmerI-lkp@intel.com > > https://lore.kernel.org/linux-mm/202205041248.WgCwPcEV-lkp@intel.com > > https://lore.kernel.org/linux-mm/202205122113.uLKzd3SZ-lkp@intel.com > > https://lore.kernel.org/linux-mm/202205172344.3GFeaum1-lkp@intel.com > > https://lore.kernel.org/linux-mm/202205190527.o9wVEvHI-lkp@intel.com > > > > Error/Warning: (recently discovered and may have been fixed) > > > [ .. ] > > drivers/hwmon/nct6775-platform.c:199:9: sparse: unsigned char > > drivers/hwmon/nct6775-platform.c:199:9: sparse: void > > This is getting tiresome. Every driver using outb() on m68k will > experience that "problem". As far as I can see, it is caused by > > #define out_8(addr,b) (void)((*(__force volatile u8 *) (unsigned long)(addr)) = (b)) > > in arch/m68k/include/asm/raw_io.h. I have no idea what the > "(void)" is for, but removing it "fixes" the problem. > Either case, this is not a problem with the nct6775 driver, > nor is it a new problem. (cc Geert)