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=-7.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 3ADB1C433DB for ; Tue, 19 Jan 2021 15:33:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F03042311C for ; Tue, 19 Jan 2021 15:33:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391286AbhASPdE (ORCPT ); Tue, 19 Jan 2021 10:33:04 -0500 Received: from mail.kernel.org ([198.145.29.99]:52314 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390978AbhASPc1 (ORCPT ); Tue, 19 Jan 2021 10:32:27 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 5A9252311C; Tue, 19 Jan 2021 15:31:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611070307; bh=l3M3/zW0/wzWUGsnP51r3MHVTfcnQ/4aIAliL+iZOFo=; h=Date:From:To:Cc:Subject:Reply-To:From; b=qX5D0W4VTFyPiozoQC94PuCkWEDHoDeytp9HhloWdffizOCISO+jI2Pek7nhbNgqn mC320wsUG1ULKiC2s+MDdfctwtkYctRHIRE7feZ5zYu8elsaXtw3dxr0a4MEY5QMiy ma+IG8VZvxA+hkSSIeoyY2/1TGnnYMbi5BpDtp+/lBAcY8NjgAByd3T8rZPzmhm4c5 GMxVoXUXkAtcoYYORL+3yZexayKurIlMnOBHyo/gtZDQHXQoSd0TZvAv0xG/TGzx7Z tUZ6vxtiXjJq+3dc4wYwlt/A5MuWFj/ftv1Yt7WO8AHt1NV0fFCZwYkKO+QYOAhQJv 2Gx52pHVxrbqQ== Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id 29B3A35226D5; Tue, 19 Jan 2021 07:31:47 -0800 (PST) Date: Tue, 19 Jan 2021 07:31:47 -0800 From: "Paul E. McKenney" To: w@1wt.eu Cc: linux-kernel@vger.kernel.org, valentin.schneider@arm.com, mark.rutland@arm.com Subject: rcutorture initrd/nolibc build on ARMv8? Message-ID: <20210119153147.GA5083@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Willy, Some people are having trouble running rcutorture on ARMv8. They get things like this from the nolibc build of initrd: https://paste.debian.net/1181762/ The nolibc.h file says this: /* Some archs (at least aarch64) don't expose the regular syscalls anymore by * default, either because they have an "_at" replacement, or because there are * more modern alternatives. For now we'd rather still use them. */ Are these build failures expected behavior on ARMv8? Thanx, Paul