From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fhigh-b3-smtp.messagingengine.com (fhigh-b3-smtp.messagingengine.com [202.12.124.154]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3A0471DE8BE for ; Sat, 27 Jun 2026 00:45:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=202.12.124.154 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782521124; cv=none; b=Evjye07gzUu4e6gIFItbNrnTaKdZLxox2sln1BdMZ2AWrrc97vf7CmLaogmWK/mpwyYLGBKrWYvw36SFdBn0gYNNnVWhvOxCyPId2pbLGBcjrDW+67myZjRkB3KnVEGbZtmtE+/r2CGl4rXHGTnPu8xwNq4hoSxMvk8+KoBJs6k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782521124; c=relaxed/simple; bh=kcCoudtrYsi9IUF09xctIw4mLA0D1BJn13vGl73pscA=; h=Date:From:To:cc:Subject:In-Reply-To:Message-ID:References: MIME-Version:Content-Type; b=pqr/z+TliblL2HJhb5qSmVAk/fE5+/01M2/M2TN1K2faT4G2xliSWeszifRRm9aIzffi7IPSukplH/U1ysmTe2wSU1gLLAXclE2vwNoDTMnwbjNNJiZlloyOGv7TvZe7cWd2smrwRD9n8tFS6ki618+rr7Om0DrhGXmP2Qetbj4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org; spf=none smtp.mailfrom=linux-m68k.org; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b=MVd2/gzA; arc=none smtp.client-ip=202.12.124.154 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=linux-m68k.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux-m68k.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="MVd2/gzA" Received: from phl-compute-12.internal (phl-compute-12.internal [10.202.2.52]) by mailfhigh.stl.internal (Postfix) with ESMTP id 6479A7A0116; Fri, 26 Jun 2026 20:45:21 -0400 (EDT) Received: from phl-frontend-04 ([10.202.2.163]) by phl-compute-12.internal (MEProxy); Fri, 26 Jun 2026 20:45:21 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:content-type:date:date :feedback-id:feedback-id:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:subject:subject:to :to:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm1; t= 1782521121; x=1782607521; bh=WGww39iwULt6ZlD/7NofSFXvCzUOG8tos9N qKW1CsYA=; b=MVd2/gzAN36C5ckEbTddg0pQRrFpmUwYmujCDPdVvCmceKD2uTS o9kQ0iesmdxH16EHReyRyxNc31cImVyolIvALcGnuD99OXLJXo2qehIDm/WXwsX5 I6ud1vGqPbbDdLMacodYeFQfol3GLkxgxm0V+CE3sAawy61lgiJp91Q+lawOWyK4 Mm/+GnbowkMBzWSwcQN4FtxVpYit76z7UiZWX15iAAxoeLEuYMkeZB80f9Eo202s 5aiWH5dpqJyjVDUKrtchKzXNWTTv0STxpPCSunpyIEEUJTfFeiCx5e+Z/IDV64og Vp3Da9OsN/ot3YKWfYG00RZqqOd9uqaxP+g== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: dmFkZTE5/9u51qarr5EcoODav0NajgqjJQKYnKAMQtEPG2/U3ExtJMDsrRIp/7SovmULle R9ttFwJEtZ+7eDQb5vqieXj3dYS3gSVBR7w/2UhIbzKH6ifsgtAJThdDzTd116i2wly6L4 pNUas4kF7ISQ+7OmrrfAjEOolcxiRfHqGjaCwzcZx4T6tO4fyknByyfoDnyVNMbV4hQWg4 D70LoeRoNT1/rQ/WcL+NdTxDak8k7nTtQGB9aaHe2x/fqf7Aaik7Hr+MZhAmdrTARIOrM0 LZwUJNSsPTQ5x2CqgKO0wyzUL7waVY+gL9AsUEoK4nvD4Ml4z4w9RWCeLAaeWRmu/81JhQ 4nApxrTMDafDetPxhWMD9PPAdNsTiypCEyBDcI0dRFnHK8I0YLIpK/vE3T+YCeS1gaWiyn 7+n6NCEdcg4xykDOsGK9G5qPkAUBFxkuhr2j890Xkr3bV7gnm7+pbOmqlwDrEwQ/1wpJMp pfJ9HJ+VFllVNpvblsfiBtwAja/5hQ44dYVDIQcxhvygaqTQ2ibkaYZ0rPLHgen9wrojlB R3PeOI3TqSSKklRE/LUB7aJXNxvixLi0jGtBxMbOHfaEkGSnFLOQTFwsLRZMYwdfH8aW79 wH4PfaWxKKj6ph1ir8hekzPYh3lwDZ1+Qq8ztm30OVWJYO+gp32DvVR/Rodw X-ME-Proxy: Feedback-ID: i58a146ae:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 26 Jun 2026 20:45:17 -0400 (EDT) Date: Sat, 27 Jun 2026 10:45:22 +1000 (AEST) From: Finn Thain To: Daniel Palmer cc: linux-m68k , Linux Kernel Mailing List Subject: Re: m68k: 68000 port for megadrive In-Reply-To: Message-ID: <8c8fc514-0a95-e25d-9af5-c9329134b11f@linux-m68k.org> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii On Fri, 26 Jun 2026, Daniel Palmer wrote: > I'm not going to send patches* for this but I thought it'd at least be > funny to someone. Not funny to me. I think it's valuable work. > I've used my DeviceTree enabled version of the 68000 code to do a > quick port to the megadrive. > > https://github.com/LinuxMD/linuxmd (screenshot is near the end) > ... > Calibrating delay loop... 0.72 BogoMIPS (lpj=5984) ... > Memory: 2532K/4096K available (1002K kernel code, 54K rwdata, 108K rodata, > 72K init, 39K bss, 1368K reserved, 0K cma-reserved) My old laptop has about 1000x the bogomips and 1000x the memory shown in your console log. Your work shows me what 1000 virtual machines might look like here. Shrinking the operating system in that way (no block layer, no network stack etc.) is important work and is a real step towards comfortably hosting a million busy containers on a single system.