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=-2.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 0BCD4C33CB3 for ; Fri, 17 Jan 2020 16:05:11 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 92ADE2083E for ; Fri, 17 Jan 2020 16:05:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="qeTYv0Jb"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="BW9xAc5t" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 92ADE2083E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=armlinux.org.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-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=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version: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:In-Reply-To:References: List-Owner; bh=x25Lx2vbBNTjLn0N8sHwq7UpoWisbdRQN2yQ7ZTtpHg=; b=qeTYv0JbhdmRMz 3+++xBdIzmKlrrIS2kGydRo8wKJRhmT+D6gNa9spxCNWXhoZu0Fi9Uk3qiKR3W/a3xJEPlUwY+sTV 4Kzc9q/LSaPufxWlmZb10abbkOizs+cx/dM2I/nj+m+JXs7bFfZbFIXTsgSwvR6L1ujsXyqzt6/ex 3EnqhPAbyiYbwBqQLAgLC0Xzj/Ss/dQLMTWNQL7+TNS3gFgRe2O5XQxrCM1prPqAmNGOKm9rqusEY A3DoE1sXPK0WfK2x9as1274/pvL56yhG1P7yw/YTB9T3W8ZHFmrdQNo697W9e3OwJt4vHGL5jyamq ZhLdt9c+Kp4BEMMjcbmA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1isU7R-0005UD-Jw; Fri, 17 Jan 2020 16:05:09 +0000 Received: from pandora.armlinux.org.uk ([2001:4d48:ad52:3201:214:fdff:fe10:1be6]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1isU7L-0004Ev-6b for linux-arm-kernel@lists.infradead.org; Fri, 17 Jan 2020 16:05:07 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Sender:Content-Type:MIME-Version: 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:In-Reply-To:References:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=F3gzSJ2rs8/EOJWOdBfuzBSAdnWhjJ08Zz4I7Xg2Q/U=; b=BW9xAc5t0yRkFjDoZ1DtMuPR0 FKLBunvppWknwkG0vsR0Loo+sl1wx7p3GTpTFY894V1DxeMyH9+th2yddja84hU8yvTIXl5cwPeJ+ IRH6+2vySNljGy3H9ZS3bKWHeuzBhNIz8Q+jngMMiHaQ7si6lj09/HUJYAuw3dlcksHBWIG8kyBXQ X+XT3wlyUyrjY7ch170XwhPWQpHSi5NTUpR9BPQEuF1t+CMqh/hYlbeEWNwFHkBQ9rJZlxuTcwwDj QCZ7kCuarHKg9nyhcOQzJMhmHi4gCn45lcfx9RBxUnO/GSIw/VDtfmtLx31sKjnQbvqenWktWtVHx yHWEqLdLw==; Received: from shell.armlinux.org.uk ([2002:4e20:1eda:1:5054:ff:fe00:4ec]:35460) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1isU5F-0005mN-Am; Fri, 17 Jan 2020 16:02:53 +0000 Received: from linux by shell.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1isU5D-0008Qw-Vs; Fri, 17 Jan 2020 16:02:52 +0000 Date: Fri, 17 Jan 2020 16:02:51 +0000 From: Russell King - ARM Linux admin To: Ard Biesheuvel Subject: REGRESSION: ChaCha fails to build in randconfig Message-ID: <20200117160251.GQ25745@shell.armlinux.org.uk> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200117_080503_396621_F13BD250 X-CRM114-Status: UNSURE ( 7.81 ) X-CRM114-Notice: Please train this message. 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: Arnd Bergmann , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Ard, Randconfig builds have found an issue with a commit in the last merge window: chacha-glue.c:(.text+0xc0): undefined reference to `chacha_4block_xor_neon' This seems to be a result of this commit: commit b36d8c09e710c71f6a9690b6586fea2d1c9e1e27 Author: Ard Biesheuvel Date: Fri Nov 8 13:22:14 2019 +0100 crypto: arm/chacha - remove dependency on generic ChaCha driver CRYPTO_CHACHA20_NEON does not depend on KERNEL_MODE_NEON, yet the makefile has: obj-$(CONFIG_CRYPTO_CHACHA20_NEON) += chacha-neon.o chacha-neon-y := chacha-scalar-core.o chacha-glue.o chacha-neon-$(CONFIG_KERNEL_MODE_NEON) += chacha-neon-core.o chacha-glue.c refers to chacha_4block_xor_neon in chacha_doneon(), and I guess some compilers are not clever enough to eliminate that code with KERNEL_MODE_NEON is disabled. Arnd has a patch that adds a dependency to stop this being a problem, but that is probably not what you want. Please fix. Thanks. -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel