Return-path: Envelope-to: publicinbox@libre-riscv.org Delivery-date: Mon, 18 May 2020 20:40:02 +0100 Received: from localhost ([::1] helo=libre-riscv.org) by libre-soc.org with esmtp (Exim 4.89) (envelope-from ) id 1jalcI-0002Km-0N; Mon, 18 May 2020 20:40:02 +0100 Received: from lkcl.net ([217.147.94.29]) by libre-soc.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1jalcG-0002Kd-QF for libre-riscv-dev@lists.libre-riscv.org; Mon, 18 May 2020 20:40:00 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lkcl.net; s=201607131; h=Content-Transfer-Encoding:Content-Type:To:Subject:Message-ID:Date:From:In-Reply-To:References:MIME-Version; bh=5Xei1qFTJQ31x2BGjvfU3oPfNPICGs5lezHosD/xON8=; b=N58kAuHC+KQGVp9JTLSgjTyIlAtqb0xwexRrLr/Qa1Gnz3+LC4Y6PMPikbrO5+vSQcThvKQSnpsE9o0mkpiqG8EIR9uDwUpG+opLo4t77lJG2krfO+0jmh9oyFWPmv91L8cCxYNfUG9mku32XCnO6BhW8iKw220/PacKZhSXiKw=; Received: from mail-lf1-f43.google.com ([209.85.167.43]) by lkcl.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.84_2) (envelope-from ) id 1jalcG-00054d-FV for libre-riscv-dev@lists.libre-riscv.org; Mon, 18 May 2020 19:40:00 +0000 Received: by mail-lf1-f43.google.com with SMTP id e125so8358576lfd.1 for ; Mon, 18 May 2020 12:39:09 -0700 (PDT) X-Gm-Message-State: AOAM5323Dp+a81xcuIHiwQhyxT3dUIRZJrOrx/nrshYVPB4PaQshYh3e fvYbWs7pEVdlLa4GsbRGfrz0HfTqKTZWQVEx7OA= X-Google-Smtp-Source: ABdhPJxJu1BgKCvTJ91wAujiyZbv566vtiPTqk5L/FSABJw2LkAddF60/t5ly+3jhv3a+AXm8T4GS+aQcxaxWcl1WNU= X-Received: by 2002:ac2:47f4:: with SMTP id b20mr12585908lfp.88.1589830743466; Mon, 18 May 2020 12:39:03 -0700 (PDT) MIME-Version: 1.0 References: <0C5BB73E-D5A4-4EE5-8BDE-C5F48188B74E@gatech.edu> In-Reply-To: <0C5BB73E-D5A4-4EE5-8BDE-C5F48188B74E@gatech.edu> From: Luke Kenneth Casson Leighton Date: Mon, 18 May 2020 20:38:52 +0100 X-Gmail-Original-Message-ID: Message-ID: To: Libre-RISCV General Development Subject: Re: [libre-riscv-dev] [Bug 209] spectre-proof speculative execution X-BeenThere: libre-riscv-dev@lists.libre-riscv.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Libre-RISCV General Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Libre-RISCV General Development Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: libre-riscv-dev-bounces@lists.libre-riscv.org Sender: "libre-riscv-dev" T24gTW9uLCBNYXkgMTgsIDIwMjAgYXQgODoyNSBQTSBZZWhvd3NodWEgPHlpbW1hbnVlbDNAZ2F0 ZWNoLmVkdT4gd3JvdGU6Cgo+ID4gc28gYmFzaWNhbGx5IHRoaXMgZXh0ZW5kcyB0aGUgRGVwZW5k ZW5jeSBNYXRyaXggIlNoYWRvdyIgY29uY2VwdCBhY3R1YWxseQo+ID4gcmlnaHQgZG93biBpbnRv IHRoZSBDYWNoZXMuCj4KPiBFeGFjdGx5IC0ga2VlcCBpbiBtaW5kIHRoYXQgdGhpcyBpcyBvbmx5 IGZvciB2YXJpYW50IDEuCj4gSeKAmWxsIHJlYWQgdXAgb24gdGhlIG90aGVyIHZhcmlhbnRzIGxh dGVyLgo+Cj4gV2h5IGRvIENQVXMgaGF2ZSB0byBiZSBzbyBjb21wbGljYXRlZC4uLgoKSHVnaCBz YWlkIG9uIG9uZSBvZiB0aGUgVmlydHVhbCBDb2ZmZWUgQ2FsbHMsIGhlJ3MgYmVlbiBpbiB0b3Vj aCB3aXRoCnRoZSBJQk0gZW5naW5lZXJzIGZvciBtYW55IHllYXJzLiAgYmFjayB3aGVuIHRoZXkg Zmlyc3QgbWV0LCB0aGV5IHRvbGQKaGltIC0gc3RyYWlnaHQgdXAgLSB0aGF0IENQVSBkZXNpZ24g aXMgaGFyZC4gIGhvd2V2ZXIgLSBpdCB0b29rCnNldmVyYWwgeWVhcnMgZm9yIGhpbSB0byBwcm9w ZXJseSBhbmQgYWN0dWFsbHkgYXBwcmVjaWF0ZSB0aGF0IHdoZW4KdGhleSBzYWlkICJoYXJkIiB0 aGV5IGRpZCBub3QgbWVhbiBpdCBpbiB0aGUgb3JkaW5hcnkgc2Vuc2Ugb2YKImNlcnRhaW4ga2lu ZHMgb2Ygc29mdHdhcmUgZW5naW5lZXJpbmcgcHJvYmxlbXMgYXJlIGhhcmQiLCB0aGV5IG1lYW50 LApsaWtlLCBSRUFMTFkgaGFyZC4KCnRoaXMgaXMgd2h5IGkgcmVjb21tZW5kZWQgdGhhdCB3ZSBn byB3aXRoIHB5dGhvbiwgYmVjYXVzZSBub3Qgb25seSBjYW4Kd2UgYXBwbHkgT08gKE9iamVjdC1P cmllbnRhdGVkKSB0ZWNobmlxdWVzLCB3ZSB0YXAgZGlyZWN0bHkgaW50byB0aGUKImRlZmF1bHQg bWluZHNldCIgYmVoaW5kIHB5dGhvbiwgd2hpY2ggaXMgdGhhdCB5b3UgKmRvIG5vdCogd3JpdGUg Y29kZQotIGV2ZXIgLSB3aXRob3V0IGhhdmluZyBhbiBhZGVxdWF0ZSB1bml0IHRlc3QuCgp0aGlz IGluIGNvbWJpbmF0aW9uIHdpdGggcGF0aWVudGx5IGZvbGxvd2luZyBNaXRjaCdzIGFkdmljZSBv ZgpkcmlsbGluZyBkb3duIHRvIGZpcnN0IHByaW5jaXBsZXMsIGkgYW0gY29uZmlkZW50IHRoYXQg d2UnbGwgZG8gZmluZS4KCmwuCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpsaWJyZS1yaXNjdi1kZXYgbWFpbGluZyBsaXN0CmxpYnJlLXJpc2N2LWRldkBs aXN0cy5saWJyZS1yaXNjdi5vcmcKaHR0cDovL2xpc3RzLmxpYnJlLXJpc2N2Lm9yZy9tYWlsbWFu L2xpc3RpbmZvL2xpYnJlLXJpc2N2LWRldgo=