From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-x244.google.com (mail-qk0-x244.google.com [IPv6:2607:f8b0:400d:c09::244]) (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 8EB893CB35 for ; Thu, 4 Jan 2018 09:53:51 -0500 (EST) Received: by mail-qk0-x244.google.com with SMTP id o126so2184052qke.12 for ; Thu, 04 Jan 2018 06:53:51 -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 :cc:content-transfer-encoding; bh=wa6DmcI7Q+9YqcTCUj5lJ2+xIcD1r8UR4PzM8q3M0Lk=; b=F4yZv7iwYmXCOf4OTo7sXP5ggKj+8JNi0IPjzmRsLSwFXCAcFHZPDAcXltiotlHw3R ZjwKU6RmY3Xoh/oeAIdVoM/BwYFdNSWYKvpuXetuRADGSoWPbM+zzA5AQjfdmuo+gCvy E089xevBdADfrTMV305NliXoPtVAjrgNGqFDVF8kUdozViSwWoMZ9EQRJn1jZqvCcW5Q TXpHXQcRbUzgY3AkSXAlS9U2gMmG/Q/p7W+MGga5AQ+xJs8li63ZQnDzbDs9IH0OYwBQ thcRuwN3Xzmobx3NRTmgyuGQ4lhCe6/EGSuhqMGCFXgKcmh0ijw2MLmkWdCqi8844MGv 2o5A== 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:cc:content-transfer-encoding; bh=wa6DmcI7Q+9YqcTCUj5lJ2+xIcD1r8UR4PzM8q3M0Lk=; b=OeeqwnwED/zOcnijP7t/MfKvsnunUj9woIJ9QHBJTcs3QbkMaFFmLWa5K5Lpeosc84 FIJtM+fOVyDiMnNtBpR/zZBz3wI6O9JZQhFduM2TxkKE4lzbU6KXXJu2tyZnEcnLTBZN yREhpptpPhPxg9vORLnkQd5Cg39Ch7TyZK0OlDZah/5yvQUUfwyOizJuPEzc7kBFUmjv FetQbRZblbJ5wjxKOEaS0u5w/nt/f3SrSDposOu3x2KQOQAVrozfsLrST1w5ZZRdEL5O TYEJbCfnwG73x001TMZXmx2JRwwzfvMInSuJKJQsp0vBk0aPdSPKn+HZoKwW9d1yk+ZW 7NLA== X-Gm-Message-State: AKGB3mJkTq6d342bnzskqEItlpQib3FEHTd6iGCwD9M5mncnbRZ5bS1F +cMXss2Q74yToNPhJhdTBHdhFDGbKmsbyUp8NJs= X-Google-Smtp-Source: ACJfBovxmk1LXvmi/LIy/A5Zf4XdClosEugd1FHkwyFhfkxjawBsbL+me2KakSjnwOB1rdT3BMcM/ZOaY7EfiN+febI= X-Received: by 10.55.214.144 with SMTP id p16mr6298129qkl.299.1515077631256; Thu, 04 Jan 2018 06:53:51 -0800 (PST) MIME-Version: 1.0 Received: by 10.12.193.93 with HTTP; Thu, 4 Jan 2018 06:53:50 -0800 (PST) In-Reply-To: References: <2D7460E1-C724-4DAE-86CA-2D48AB2DAFE5@gmail.com> From: Dave Taht Date: Thu, 4 Jan 2018 06:53:50 -0800 Message-ID: To: Jonathan Morton Cc: cerowrt-devel@lists.bufferbloat.net Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [Cerowrt-devel] KASLR: Do we have to worry about other arches than x86? 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: Thu, 04 Jan 2018 14:53:51 -0000 On Thu, Jan 4, 2018 at 6:49 AM, Jonathan Morton wro= te: >> On 4 Jan, 2018, at 3:59 pm, Dave Taht wrote: >> >> Alan cox has been doing a good job of finding the good stuff. Power >> and the IBM z-series are also affected. > > Conversely, the ARM-1176, Cortex-A7 and Cortex-A53 cores used by various = iterations of the Raspberry Pi are not affected. These are all in-order ex= ecution CPUs with short pipelines, and I think they're representative of wh= at you'd want in CPE. Well, I'd hope that this string of bugs stalls deployment of more advanced arches in this space until the speculative execution bugs are fully resolved. (and I *vastly* prefer short pipelines) > - Jonathan Morton > --=20 Dave T=C3=A4ht CEO, TekLibre, LLC http://www.teklibre.com Tel: 1-669-226-2619