From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTP id 03604AFE for ; Wed, 14 May 2014 16:10:12 +0000 (UTC) Received: from mail-ve0-f177.google.com (mail-ve0-f177.google.com [209.85.128.177]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 6B125200A4 for ; Wed, 14 May 2014 16:10:11 +0000 (UTC) Received: by mail-ve0-f177.google.com with SMTP id db11so2652224veb.36 for ; Wed, 14 May 2014 09:10:10 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <53739333.30108@zytor.com> References: <20140511041449.GP12708@titan.lakedaemon.net> <20140511162918.GA2527@linux.com> <1995824.rdvEX5SOIt@avalon> <20140511171824.GB2527@linux.com> <20140512161539.GX12708@titan.lakedaemon.net> <20140513070851.GA20002@thin> <53739333.30108@zytor.com> From: Andy Lutomirski Date: Wed, 14 May 2014 09:09:50 -0700 Message-ID: To: "H. Peter Anvin" Content-Type: text/plain; charset=UTF-8 Cc: PJ Waskiewicz , Dirk Hohndel , "ksummit-discuss@lists.linuxfoundation.org" , Anton Arapov , Sarah A Sharp Subject: Re: [Ksummit-discuss] Fwd: [TECH TOPIC] QR encoded oops for the kernel List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, May 14, 2014 at 9:00 AM, H. Peter Anvin wrote: > On 05/13/2014 12:08 AM, Josh Triplett wrote: >> >> Many users will already have a QR-code scanning app installed, and such >> apps always support loading URLs in a browser. >> > > Let me disavow you of the notion that stock scanning apps handle large > QR symbols. zxing can handle the bloody enormous QR code here: http://en.wikipedia.org/wiki/File:Qr-code-ver-40.png I'll admit that it took a while to find exactly the right camera position to get it to focus well enough :) Anyway, point taken: it probably pays to keep the total size of this thing under control. --Andy