From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qt0-x233.google.com (mail-qt0-x233.google.com [IPv6:2607:f8b0:400d:c0d::233]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 6832A3CB39 for ; Fri, 12 Jan 2018 09:12:12 -0500 (EST) Received: by mail-qt0-x233.google.com with SMTP id 33so6130898qtv.1 for ; Fri, 12 Jan 2018 06:12:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-transfer-encoding; bh=HQnVx/M3TJOmqJ5kHGZ7U3eyO1ltNOB8hMFh+ErAR5g=; b=NpaorDjgwb8RBPGIE6dgXn0ezkixU0Yf1bfc8P7NgFLduSsbskCA/DuzN0wGtCGn5E X7K1DPZfbmrR+ldS+RZK8WLpB0DtatmWqjaAGVjwmRcnQcyYPnF/r2khWXXNjjvi+J/e X8IuK0z4L7tJxtz4KE4G0KlPgxdbhm2nOgv9K08lqmL3s4vYF5XKOPG5EJV3KmHTguiM VplOBgA7vSsTu9lCA9qQradR4xFOSrMBLvGlqs1gRvaYgHF9lb0A1AM1N6Y/e9p3p5tp BQ1Vt75ur7GtvZR34VjbtAOLxh+R6HGbyXk6W57mTF1Z4Kvw7lfBjmtc2g0fC/P1x29N CIpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:content-transfer-encoding; bh=HQnVx/M3TJOmqJ5kHGZ7U3eyO1ltNOB8hMFh+ErAR5g=; b=IjTZO3uMp05nrFe6Q794Bio69jpPz7ikOBSpLOKa7Ky74UYpIdfENrel/Pgt6m1nQF 2QcB7aUI79B1EKHm+x8Drp2+WhuYLyzX0fVkpzLO8oUHGTRsSGpb34dCAIbs3dtkifq9 9OkyBrD6vwMZ/FhgvzBrHKFcIINjq68rp3bOleVX69G6kkF4KBJ6cXKi8PhZKLJ8Hd5Q FFYIJ2nJCiLPdEiJWbKV8yUQwtU0Yk5R4PM6ejObvXwteA8TKt/VBgmpwS4/2gp+noeI fhaun4JcRNPlwQklQ3kDU3Ceii+7dd3E9aicR65vdUw43Xm4YzbxAK2OEiZGRYr+U+Jx 9Nhw== X-Gm-Message-State: AKwxytf74E2eB5VVNZ9n7FdKqtnu3zzAKFa+VjXanF4NEK7pD6M3rGKY GczJVkstDgBrm6PuJJk5aqTYpFKwhaZhBItvy5g= X-Google-Smtp-Source: ACJfBovy8KGwFlXbcFrFTGkpOikqFUc5HK9Na+O4CfefBQR+eaEAU8dzXom8w1fuspFJPDee682kGAhABugFdk2sllw= X-Received: by 10.200.32.146 with SMTP id 18mr8106834qtd.339.1515766331679; Fri, 12 Jan 2018 06:12:11 -0800 (PST) MIME-Version: 1.0 Received: by 10.12.148.168 with HTTP; Fri, 12 Jan 2018 06:12:10 -0800 (PST) In-Reply-To: References: From: Dave Taht Date: Fri, 12 Jan 2018 06:12:10 -0800 Message-ID: To: cerowrt-devel@lists.bufferbloat.net Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Cerowrt-devel] spectre poc X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 12 Jan 2018 14:12:12 -0000 On Fri, Jan 12, 2018 at 5:43 AM, Dave Taht wrote: > https://github.com/crozone/SpectrePoC In terms of getting this to work on arm, (as a POC), by default the cycle timer functionality is ring 0, which you can change with a simple kernel module. Or use the perf system call for it which may not have granularity enough. Or... well, still looking > > -- > > Dave T=C3=A4ht > CEO, TekLibre, LLC > http://www.teklibre.com > Tel: 1-669-226-2619 --=20 Dave T=C3=A4ht CEO, TekLibre, LLC http://www.teklibre.com Tel: 1-669-226-2619