From: Luke Kenneth Casson Leighton Date: Mon, 18 May 2020 19:38:52 +0000 (+0100) Subject: Re: [libre-riscv-dev] [Bug 209] spectre-proof speculative execution X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e24e0318c1230666132fe1de7634d43e596848c2;p=libre-riscv-dev.git Re: [libre-riscv-dev] [Bug 209] spectre-proof speculative execution --- diff --git a/0a/5979ad5eb3dc6ee8dc63ba0b9afe6f1581ef18 b/0a/5979ad5eb3dc6ee8dc63ba0b9afe6f1581ef18 new file mode 100644 index 0000000..2c3331f --- /dev/null +++ b/0a/5979ad5eb3dc6ee8dc63ba0b9afe6f1581ef18 @@ -0,0 +1,83 @@ +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= +