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 502DDC7EE23 for ; Thu, 18 May 2023 17:31:30 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D5C74900006; Thu, 18 May 2023 13:31:29 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id D0C52900003; Thu, 18 May 2023 13:31:29 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BFC2A900006; Thu, 18 May 2023 13:31:29 -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 B3FB9900003 for ; Thu, 18 May 2023 13:31:29 -0400 (EDT) Received: from smtpin21.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id 86EBEA0919 for ; Thu, 18 May 2023 17:31:29 +0000 (UTC) X-FDA: 80804067498.21.ADFC5D4 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by imf05.hostedemail.com (Postfix) with ESMTP id 931E9100043 for ; Thu, 18 May 2023 17:31:20 +0000 (UTC) Authentication-Results: imf05.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=GFDpkncO; dmarc=pass (policy=none) header.from=intel.com; spf=pass (imf05.hostedemail.com: domain of dave.hansen@intel.com designates 134.134.136.24 as permitted sender) smtp.mailfrom=dave.hansen@intel.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1684431080; a=rsa-sha256; cv=none; b=6PG8fYfJvXIPnynGnSMLQjWrYeKqYccfXNkXIxiD0KOH/FeUuUpid05jiQIbvPBxLqMANJ DUrfigFfFBmSdf+9ZwmFetI8NO6c9e7SrojCu/utC7L8dbGhRsEcFzToeD65JI826Y1vpP 5fnPPrw0P3q/6v2Z+rL/9HUVHNjdKDk= ARC-Authentication-Results: i=1; imf05.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=GFDpkncO; dmarc=pass (policy=none) header.from=intel.com; spf=pass (imf05.hostedemail.com: domain of dave.hansen@intel.com designates 134.134.136.24 as permitted sender) smtp.mailfrom=dave.hansen@intel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1684431080; h=from:from:sender: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:dkim-signature; bh=TAJftsx16HR5yoThNdzoiAHzegEjX4vypFwHnpK69lU=; b=d1TJDnhc6UqR2nq56e9DnIHL2ivUoD82OoncERowYy041MuvoFnREGxMs7hIOb5T8dqMVL 8g34vWalRdpOXv0jSxgHYg3cVws+yo5Ad2J9+ada78jIsb1cxhZlL8E1TkIPAQWI0FSuWW M1I1Z8hNca5hC9vpoOCjjZrDQAzfLd8= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1684431080; x=1715967080; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=Wl8BDYVG0i7AvYNjyPawAfZhnam6nIO2zxc9kJVuY98=; b=GFDpkncOTo9o2L9HbGuq3cK9BQakj+aoEyOBNiRKWKmyccnmSoDApKQt WjlxhVpZ1u5RaM0hxHbUds9m0zbje4LUR2sR8IK59QHOALpfwdMtV2zzD gQ1e1nOIt2aHTkseyi2ib8u4rOcN9s61vJQ7Y223wC1BNlludeZL4y1tW YHSoXuUAf5/Dk/UQShQ/c58nGiOvkx/CL0NferJvi0EDZE30XiRGhn3DM UfKeS6S3p6rTuBGtY+r3kZ582aqmAK0uMySpjf2EQFDZGiNurMmQzK9Uw +N+0CgyDMqMqWB6ick8joiEcQloY35Z78ljul/QXaheHV75t3MrQMEGr0 w==; X-IronPort-AV: E=McAfee;i="6600,9927,10714"; a="354475460" X-IronPort-AV: E=Sophos;i="6.00,174,1681196400"; d="scan'208";a="354475460" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 May 2023 10:31:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10714"; a="1032284552" X-IronPort-AV: E=Sophos;i="6.00,174,1681196400"; d="scan'208";a="1032284552" Received: from nroy-mobl1.amr.corp.intel.com (HELO [10.209.81.123]) ([10.209.81.123]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 May 2023 10:31:17 -0700 Message-ID: Date: Thu, 18 May 2023 10:31:16 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [PATCH 00/20] x86: address -Wmissing-prototype warnings Content-Language: en-US To: Arnd Bergmann , x86@kernel.org Cc: Arnd Bergmann , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Andy Lutomirski , Steven Rostedt , Masami Hiramatsu , Mark Rutland , Juergen Gross , "Srivatsa S. Bhat (VMware)" , Alexey Makhalov , VMware PV-Drivers Reviewers , Peter Zijlstra , Darren Hart , Andy Shevchenko , Boris Ostrovsky , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, xen-devel@lists.xenproject.org, linux-pm@vger.kernel.org, linux-mm@kvack.org References: <20230516193549.544673-1-arnd@kernel.org> From: Dave Hansen In-Reply-To: <20230516193549.544673-1-arnd@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: 931E9100043 X-Stat-Signature: fsdi7u346oxz3i8jfptqeitun6dgg8o1 X-HE-Tag: 1684431080-440376 X-HE-Meta: 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 /1rj5A3q QiupYN99Fn2L0/VzYfb3s8DkNSttcXGAz8tt/xEvKnANb3EvJT3M6c1L1CBHbSb19TGSiYZi/SyMDyR+xVYUBPNGuR7Kyi+TZ2O2XO2KpcXERFzopZY5GRy3aQ0ca3iupVeTIwz4P6bNKDmWYV4PQzdb3HQ== 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 5/16/23 12:35, Arnd Bergmann wrote: > The ones that are a bit awkward are those that just add a prototype to > shut up the warning, but the prototypes are never used for calling the > function because the only caller is in assembler code. I tried to come up > with other ways to shut up the compiler using the asmlinkage annotation, > but with no success. I went looking for the same thing. It's too bad gcc doesn't have an __attribute__ for it.