From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp11.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms5.migadu.com with LMTPS id sGDrKwz1amK6pgAAbAwnHQ (envelope-from ) for ; Thu, 28 Apr 2022 22:11:56 +0200 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp11.migadu.com with LMTPS id EBkeLAz1amLZAQAA9RJhRA (envelope-from ) for ; Thu, 28 Apr 2022 22:11:56 +0200 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id 62D8D2BD29 for ; Thu, 28 Apr 2022 22:11:56 +0200 (CEST) Received: from localhost ([::1]:42798 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nkAUV-0001Qu-9R for larch@yhetil.org; Thu, 28 Apr 2022 16:11:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56504) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkAGU-0005jy-3w for guix-devel@gnu.org; Thu, 28 Apr 2022 15:57:26 -0400 Received: from knopi.disroot.org ([178.21.23.139]:58544) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nkAGS-0002XV-JX for guix-devel@gnu.org; Thu, 28 Apr 2022 15:57:25 -0400 Received: from localhost (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id BDED942B22; Thu, 28 Apr 2022 21:57:22 +0200 (CEST) X-Virus-Scanned: SPAM Filter at disroot.org Received: from knopi.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavisd-new, port 10024) with UTF8SMTP id hyrnDPa6KCsW; Thu, 28 Apr 2022 21:57:21 +0200 (CEST) References: <874k3r8m4m.fsf@gmail.com> <8464b1bff3acb0a84f46ea6dcbbeaa7045b03d1c.camel@telenet.be> <874k3iwysf.fsf@gmail.com> <87pmm512uv.fsf@gnu.org> <86ee1ys55z.fsf@163.com> <20220415183441.49a2628b@riseup.net> <87bkwonlwh.fsf@gmail.com> <87k0b93yaj.fsf@disp3269> <87sfpxayia.fsf@contorta> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1651175683; bh=IO/2wTobJeCRPyMgqBjaBQbzXCy5wCxfoidg6k5iqM8=; h=References:From:To:Cc:Subject:In-reply-to:Date; b=MTEUrD663QBTz2YDAD+o/87SMhcOO9iOiOIeD+/xfz3+GSlFS757Xvplrm3UMU0kp T1wXdhw9nVSIwWgOQUVHs/qjqJAz28MxmBHrwRmUQFJIFFkgoRvZ+FhoEl1MMUzHY1 1UqskziGt+u7FQ+f9Rww3f+l9sCGlnLvYN+0wCso75P1JVs+k4QW0LgqYt0vVTWu8p um4F7aJvB2xY/RJIEzqO9zSgGP0xFOLrddUeSupWsRkfxAd8rbVJUrDGC4TiBONg1K 5dx9r9H/qYL5qyfThhpXuTjWxu6Rn31GPuuZMVXhTEXkCXyaYcPWIIKuaHXkCO3s72 ZemhsHt+/Ge0g== From: Aurora To: Vagrant Cascadian Cc: Katherine Cox-Buday , raingloom , guix-devel@gnu.org Subject: Re: Hardened toolchain In-reply-to: <87sfpxayia.fsf@contorta> Date: Thu, 28 Apr 2022 15:54:40 -0400 Message-ID: <87ee1h3rwf.fsf@disp3269> Mime-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=178.21.23.139; envelope-from=rind38@disroot.org; helo=knopi.disroot.org X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN X-Migadu-To: larch@yhetil.org X-Migadu-Country: US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1651176716; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:in-reply-to:in-reply-to: references:references:list-id:list-help:list-unsubscribe: list-subscribe:list-post:dkim-signature; bh=IO/2wTobJeCRPyMgqBjaBQbzXCy5wCxfoidg6k5iqM8=; b=MEjMqn/U53bhHcEiqV+/MahtlJV7EF9yV9FKVo6kXrgtJZBiuVAG9Aflb0ib7kZfUcuJ5d taM2JBi6LNwjrGhyy3KjaZ4jkabTRgg6sbt84NeTpWd7wuSwhznF1NHpxQdd/ByOE2IrdS xVd+D2r5OWkrqXnCmwN3H5YSmou9p07K0LXxCCm6GOZ0zaI7Xn2TRTZ1M1VVgbT+dQZfcA RrFNqMtcdAzrDM1FoT8aTY9El97GEQmdVbMsvu4E67Z2Ntaj3SlBQuwfsDbn/9JA4CteHq JuQNLFnFoUzG1tUPCi/5XzVsTCBVMHJJW0qWbHAFmbZ6FcADak6ymSTdUWHjIQ== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1651176716; a=rsa-sha256; cv=none; b=YRIHZDH6+561pbLxJmhI5B50nzYbuX7z2YhrSIL1VDVVv9pxOsdHvWf6hH8XqnUVyEd81P da+adWGYOvzgCHO6mFtxOE5ybEeJj5+nr0ktxZzmiVrRuu/koc7HitvJ9zUWlm2vBlu3AV vMYsEcR4QkKatWut6XNb+rhecD3bseC5tVpdlS1OcB2nFq8Pi/Sx6OS/4MJUs+/xsLolIk e1yvTxGdkIu8SxsWI/AYXykJxmaMOL8Bw6Ne2upSpB2P4HWLIDLLH/FfA8kdaY7S0loHzP AKI8M2+ucPN7jM4lS2PMnYpPRUhZAq2ZrtN11zdtpsHS00UucNkEt+621XdIZw== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=disroot.org header.s=mail header.b=MTEUrD66; dmarc=pass (policy=quarantine) header.from=disroot.org; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -3.00 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=disroot.org header.s=mail header.b=MTEUrD66; dmarc=pass (policy=quarantine) header.from=disroot.org; spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 62D8D2BD29 X-Spam-Score: -3.00 X-Migadu-Scanner: scn0.migadu.com X-TUID: Fm6/3lkdAO0K Vagrant Cascadian writes: > On 2022-04-28, Aurora wrote: >> There are multicore processors made in the last decade or two that >> aren't affected by speculative execution vulnerabilities? > > There are some, such as the ARM-based Allwinner A64 used in in the > pinebook and pinephone. Probably various processors targeted at the > mobile market as well. Oh that's neat, I'd thought effectively all multicore CPUs were vulnerable. Thanks.