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=-7.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,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 74657C433E0 for ; Thu, 25 Jun 2020 08:36:32 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 3CEA7207FC for ; Thu, 25 Jun 2020 08:36:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ah7bLQ+p"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="BwbQSy30" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3CEA7207FC Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject: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=VU81wF8tzmFCVfAHOcr11YmJJSBQmglrX2sFen4DqpU=; b=ah7bLQ+pfAgSSko0S1Z3TG6IP 8cLG+PFJHF1GXNVVaDTC33Q7wtZj0eTWgUInRjDihHShWkFE9b27BoXslPyb+HLLqy6orxqLvTv0c J+OMnVGw3MT5Qk9vXXU5CaCSDlIbWpl/mgivVb0En4mg9/Lr/y5xWU6YMM2XAMUuWCwFvE/QKL3qN mzBKeUc3z/qCX66p5k84mLF/Zez68mmDj0SDFxo9ZhIn/6aihJxyu/5CFtD+KoG8Bo8J9AhcesbFd eIKezLZNz8UNC9lYJRoyAwp8NpW8/lRB518rjveVmHbjNjf+7wc9Kg0Rx9To0K+8ffeHuhbXNkOeP a8IyNdN7w==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1joNLP-0003K5-GY; Thu, 25 Jun 2020 08:34:51 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1joNLM-0003Jb-0O for linux-arm-kernel@lists.infradead.org; Thu, 25 Jun 2020 08:34:48 +0000 Received: from willie-the-truck (236.31.169.217.in-addr.arpa [217.169.31.236]) (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 123A820720; Thu, 25 Jun 2020 08:34:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1593074087; bh=yE7w4pBtr9gWM6b8JXlrez/Wof9L3MU2WqOiRKy3bh0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=BwbQSy30KnXDM4git3UTct2s83H/Mt5+9CoksJpi55joPEP+L/4ocObw6nhLitLJQ 3z9+DHpHhmX6SjuVjOBnrL/ldxbaTXRnlVR7x/UdJpcnp7/DgEkkW6Q3eEEzOX3xB+ M/ul54Y2xF+Z5mA+5goaKxP+wtpK/UfbK2wv6reI= Date: Thu, 25 Jun 2020 09:34:41 +0100 From: Will Deacon To: Marc Zyngier Subject: Re: [PATCH v3 08/15] arm64: kvm: Split hyp/switch.c to VHE/nVHE Message-ID: <20200625083441.GB7584@willie-the-truck> References: <20200618122537.9625-9-dbrazdil@google.com> <202006251244.YDWclRrq%lkp@intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kbuild-all@lists.01.org, kernel test robot , Suzuki K Poulose , android-kvm@google.com, Catalin Marinas , linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, James Morse , linux-arm-kernel@lists.infradead.org, David Brazdil , kvmarm@lists.cs.columbia.edu, Julien Thierry 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 Thu, Jun 25, 2020 at 09:16:03AM +0100, Marc Zyngier wrote: > On 2020-06-25 06:03, kernel test robot wrote: > > Hi David, > > > > Thank you for the patch! Perhaps something to improve: > > > > [auto build test WARNING on linus/master] > > [also build test WARNING on v5.8-rc2 next-20200624] > > [cannot apply to kvmarm/next arm64/for-next/core arm-perf/for-next/perf] > > [If your patch is applied to the wrong git tree, kindly drop us a note. > > And when submitting patch, we suggest to use as documented in > > https://git-scm.com/docs/git-format-patch] > > > > url: > > https://github.com/0day-ci/linux/commits/David-Brazdil/Split-off-nVHE-hyp-code/20200618-203230 > > base: > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > > 1b5044021070efa3259f3e9548dc35d1eb6aa844 > > config: arm64-randconfig-r021-20200624 (attached as .config) > > compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project > > 8911a35180c6777188fefe0954a2451a2b91deaf) > > reproduce (this is a W=1 build): > > wget > > https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross > > -O ~/bin/make.cross > > chmod +x ~/bin/make.cross > > # install arm64 cross compiling tool for clang build > > # apt-get install binutils-aarch64-linux-gnu > > # save the attached .config to linux build tree > > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross > > ARCH=arm64 > > > > If you fix the issue, kindly add following tag as appropriate > > Reported-by: kernel test robot > > > > All warnings (new ones prefixed by >>): > > > > > > arch/arm64/kvm/hyp/nvhe/switch.c:244:28: warning: no previous > > > > prototype for function 'hyp_panic' [-Wmissing-prototypes] > > void __hyp_text __noreturn hyp_panic(struct kvm_cpu_context > > *host_ctxt) > > I really wish we could turn these warnings off. They don't add much. > Or is there an annotation we could stick on the function (something > like __called_from_asm_please_leave_me_alone springs to mind...)? Agreed, I've caught myself skim-reading the kbuild robot reports now because they're often just noise, and then having to force myself to look at them properly when I remember. Even just something in the subject to say "the only problems are W=1 warnings" would help. Is that possible? Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel