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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF47FC07E9D for ; Mon, 26 Sep 2022 17:07:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230124AbiIZRHC (ORCPT ); Mon, 26 Sep 2022 13:07:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54700 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230015AbiIZRGb (ORCPT ); Mon, 26 Sep 2022 13:06:31 -0400 Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [IPv6:2001:4d48:ad52:32c8:5054:ff:fe00:142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3AE547675D for ; Mon, 26 Sep 2022 09:11:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=2g1jNd7RoCV8uaNvrD8hgkCyQ475E63SOZYup2mZQtI=; b=G3F1SnkTc9868BCk6viiQFXKMS CByAduDNutveIsblq7R+qFhZedhpJa3fdDU94/FIzU6Nm0brW14fJADPEnVrEN1txtDwAtxvSfYEu ozBkzI/OGFzJIhf8AIUZ/yUI6juo2KYewEwYT93obGHlc1isyN+YW2cVb4Pph6DiobdAd1sUzjFMq gipgdWtVGVI5QwlOJD4Y9OYLgY4GwFBu4WhYPuMnizBqMb/fyAEhXElRwmvjfaBsFpoQJFCBq2ruL kvgngOBSsTdRSvmPAMQmJiijz3Gwvd1geEWNL1zhpE8YMZ+HlH6ilsf2uesGH1JbFU333zTwkUIj7 Bx6aoPSw==; Received: from shell.armlinux.org.uk ([fd8f:7570:feb6:1:5054:ff:fe00:4ec]:34502) by pandora.armlinux.org.uk with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1ocqhL-0000iR-5j; Mon, 26 Sep 2022 17:11:11 +0100 Received: from linux by shell.armlinux.org.uk with local (Exim 4.94.2) (envelope-from ) id 1ocqhG-0005Gk-KV; Mon, 26 Sep 2022 17:11:06 +0100 Date: Mon, 26 Sep 2022 17:11:06 +0100 From: "Russell King (Oracle)" To: Chen Zhongjin , Naresh Kamboju Cc: open list , Linux ARM , Arnd Bergmann , Masami Hiramatsu , Nathan Chancellor , regressions@lists.linux.dev, lkft-triage@lists.linaro.org Subject: Re: arch/arm/probes/kprobes/core.c:409:30: error: .fnstart must precede .save or .vsave directives Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: Russell King (Oracle) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Looks to me like a failure caused by Chen Zhongjin's change: "Recover kretprobes return address for EABI stack unwinder" I will drop this patch; please submit a replacement that builds. Thanks. On Mon, Sep 26, 2022 at 06:57:00PM +0530, Naresh Kamboju wrote: > Following build warnings / errors noticed on arm with clang-13 / 14 > on Linux next-20220923. > > Reported-by: Linux Kernel Functional Testing > > Regressions found on arm: > > - build-clang-13-bcm2835_defconfig > - build-clang-nightly-imx_v6_v7_defconfig > - build-clang-nightly-orion5x_defconfig > - build-clang-13-keystone_defconfig > - build-clang-13-omap2plus_defconfig > - build-clang-14-imx_v6_v7_defconfig > - build-clang-nightly-omap2plus_defconfig > - build-clang-nightly-multi_v5_defconfig > - build-clang-nightly-bcm2835_defconfig > - build-clang-13-imx_v6_v7_defconfig > - build-clang-13-imx_v4_v5_defconfig > - build-clang-14-imx_v4_v5_defconfig > - build-clang-13-orion5x_defconfig > - build-clang-14-multi_v5_defconfig-65236a87 > - build-clang-14-lkftconfig > - build-clang-nightly-imx_v4_v5_defconfig > - build-clang-13-multi_v5_defconfig > - build-clang-13-lkftconfig > - build-clang-nightly-keystone_defconfig > - build-clang-14-multi_v5_defconfig > - build-clang-14-orion5x_defconfig > - build-clang-14-omap2plus_defconfig > - build-clang-nightly-multi_v5_defconfig-65236a87 > - build-clang-14-bcm2835_defconfig > - build-clang-14-keystone_defconfig > - build-clang-nightly-lkftconfig > > arch/arm/probes/kprobes/core.c:409:30: error: .fnstart must precede > .save or .vsave directives > "stmdb sp, {sp, lr, pc} \n\t" > ^ > :3:2: note: instantiated into assembly here > .save {sp, lr, pc} > ^ > /builds/linux/arch/arm/probes/kprobes/core.c:412:29: error: .fnstart > must precede .pad directive > "stmdb sp!, {r0 - r11} \n\t" > ^ > :6:2: note: instantiated into assembly here > .pad #52 > ^ > 2 errors generated. > make[5]: *** [/builds/linux/scripts/Makefile.build:250: > arch/arm/probes/kprobes/core.o] Error 1 > > build log: > https://builds.tuxbuild.com/2FAyD1qcTlzjIYE7mjrugjCsxu1/ > > -- > Linaro LKFT > https://lkft.linaro.org > -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!