Received: by 2002:ac0:a5a6:0:0:0:0:0 with SMTP id m35-v6csp1941641imm; Thu, 23 Aug 2018 11:18:29 -0700 (PDT) X-Google-Smtp-Source: ANB0VdZztVmDysTde1pK7LrZWd2Z4Bl5cGYnnp0j8o/8uiJULi39FXQzRdqnO4gsZXGmxAfYiWZM X-Received: by 2002:a63:200b:: with SMTP id g11-v6mr1372298pgg.235.1535048309263; Thu, 23 Aug 2018 11:18:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1535048309; cv=none; d=google.com; s=arc-20160816; b=SCDJD4Y+Cmg11rxkj8sWcqXD2wQ4YPjoXsSVIBqJ8SEKPAuK1yxrBIMsaGKTuUWYyX TD7Qu9/bg3oLk64tfCHkGkl9ERtFAmu+TgqJoxkr1XAsNKeIAGliLF6H5+/L0Cz36IaG Uf21V0MznTaWBjiB9hR0IQM4jcB52Rvh1BPjgVD8CQ6bFppRr7RIAC52fXnOwDYxHpGx QJ6h8jMv8DXOPErI3a9tYxIQv47d1ebxAJPAy5Y7or67F7E3vH1WmmARKmPa7oBTW9vB HsyUjrwnp/1NBHk0IxyqYOJBQFkYFNNdWsiVIKDNrzIrDmPh6RrozujMAq4UaquvcsOC KINw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:arc-authentication-results; bh=HNiSD5QNORsj1moYPUZ4hTaCCuj3/F5z/FW4H1YlxvA=; b=lpgiLZqZ5zDgzMAGfq5Hc5Dpem9Hv6dEPqqfGmuy8wNkPUQmh5iFyQ3l0xKBZ4aIt1 ikOUZYCfgHne3yYtCSrZ0OIM0ZSPd5BLQviSSP2QapoznzjOEPc83X1Nes23+iR7zQ8V 25C+ux0YdayBfxSUgJgsKj6m+FWpr05zHAYLxruZPontsYY/jIzrZcU5Uz/zHc4KgXOS dLKTXqxk1oKaC8JkbPpQSGQiowOau/xL0Pa4tcIRzVlh97pdKNYP+w7chcXXlH4dAXfr umoLLsPjFZCV8IitR6bvQgneks0ENUmwjR5m3KO0dYvg0MTS57apHZqRCqGm9CWEY9SY rZQg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id d191-v6si4938336pga.157.2018.08.23.11.18.12; Thu, 23 Aug 2018 11:18:29 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727323AbeHWVsC (ORCPT + 99 others); Thu, 23 Aug 2018 17:48:02 -0400 Received: from mail-ua1-f66.google.com ([209.85.222.66]:43129 "EHLO mail-ua1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726694AbeHWVsC (ORCPT ); Thu, 23 Aug 2018 17:48:02 -0400 Received: by mail-ua1-f66.google.com with SMTP id f4-v6so3794328uao.10 for ; Thu, 23 Aug 2018 11:17:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=HNiSD5QNORsj1moYPUZ4hTaCCuj3/F5z/FW4H1YlxvA=; b=lVro/egp9FmE5QGkk044H6fiQE5Lr788sJLWkgouxUr48DsHoO6abZ6vE+O/Fccjo9 bDHChsvIW5DZjiXQF3xUq3oRcv5Ra8jLeogORIP1CbJxpvQ+uIp2zMkQv4qsLT01RHMh 2R5PAjzZ63cFoM9Kg3qm27SM33tIZQAEcmBI3Pgn2KevKe5XAJU0XhgC4X2uKD4bXPIr WNQy/cM/3RaHEU8jOu3axAs1YbEtdZvjJkFfdwGdidTH+mlzWWjcMbMO7BG4qjoP9NGo aMVrrVS9fshz+qhbLzM44XUizrCPCuSDWR6Y+tOHac7lWs7nmTolLzO8nTv/UPIhFwCq rnhA== X-Gm-Message-State: AOUpUlHmU04iZNPdmrr7CUKoy4Twplj2L7O2DW8ooEnsTulsNGSATeOv Zy0gZ3gPhV7DzbyWhjOHMGJ9MiGGDSQ7AbbiH1PQkw== X-Received: by 2002:ab0:48a4:: with SMTP id x33-v6mr40209933uac.138.1535048228386; Thu, 23 Aug 2018 11:17:08 -0700 (PDT) MIME-Version: 1.0 References: <20180823174359.GA13033@linux.vnet.ibm.com> In-Reply-To: <20180823174359.GA13033@linux.vnet.ibm.com> From: Geert Uytterhoeven Date: Thu, 23 Aug 2018 20:16:55 +0200 Message-ID: Subject: Re: Kernel-only deployments? To: "Paul E. McKenney" Cc: Nicolas Pitre , Josh Triplett , Linux Kernel Mailing List Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Paul, On Thu, Aug 23, 2018 at 7:44 PM Paul E. McKenney wrote: > Does anyone do kernel-only deployments, for example, setting up an > embedded device having a Linux kernel and absolutely no userspace > whatsoever? Isn't that basically the original porting guide from VxWorks to Linux? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds