From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 10780 invoked from network); 3 May 2022 08:05:34 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 3 May 2022 08:05:34 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id F22499D4AB; Tue, 3 May 2022 18:05:32 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 821489D455; Tue, 3 May 2022 18:03:35 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=ronnatalie.com header.i=@ronnatalie.com header.b="TBGCJIES"; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.b="tbCziNKU"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 944609D455; Tue, 3 May 2022 18:03:31 +1000 (AEST) Received: from new4-smtp.messagingengine.com (new4-smtp.messagingengine.com [66.111.4.230]) by minnie.tuhs.org (Postfix) with ESMTPS id 272119CE23 for ; Tue, 3 May 2022 18:03:31 +1000 (AEST) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailnew.nyi.internal (Postfix) with ESMTP id 6E20E5813EE; Tue, 3 May 2022 04:03:30 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute5.internal (MEProxy); Tue, 03 May 2022 04:03:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ronnatalie.com; h=cc:cc:content-transfer-encoding:content-type:date:date:from :from:in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to; s=fm3; t=1651565010; x= 1651572210; bh=eeAGnAn1fRd1SGz8OdKR0MKthV00w8HBci8c7CLfTfE=; b=T BGCJIESWkT3yfen/6+LJqqDZaXVsdYWJi9240hrauU+8ywVskncadE6ovzSVqdfC v3OXtOBoQVMX/UcuJS4/fe5GaRUw2D2iqUQc9uzLzw7BEs/ZGwVI1AKwbbUh3gjI B+kgq6lPdaFp55XKAaiZcXwVFmXgqMM1155RiATk2XCFsKlZJOxwscq8zC3TuI5d WotziNdc7mvk78yXGDwN8SRabU07lamYOeqH93TKh3lRe/gMyBr/93vRao0JXbbY 1dItdUzc+l19YMpqKcwcGmVvVBewFC79wtIefUhWDvzvhNCfLfhsbXNgzaojoreV gtIrwP9WVVBxl8wWX4UQQ== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:date:date:from:from:in-reply-to:in-reply-to :message-id:mime-version:references:reply-to:sender:subject :subject:to:to:x-me-proxy:x-me-proxy:x-me-sender:x-me-sender :x-sasl-enc; s=fm1; t=1651565010; x=1651572210; bh=eeAGnAn1fRd1S Gz8OdKR0MKthV00w8HBci8c7CLfTfE=; b=tbCziNKUoqgI5OWeH40tyM+8wpmTH aVODF+8FP3UJANCfeUfqx2MIzzsVXQCQlhCY9wK4qN2rA1BBWBOEAgfp6vqg3hMO qZ9B4JddIFjr9F+7zP/Rg0roKCVuyV37hPNi3Om7OzFP1Z9S0pfGlpLWC+H4N1Ro /MRkxZh+IA+jARH7aRdnibXEIe9Jks4h62/RdLGgMS9UujEcuJQuFxX99ab5N9hM 4xXnrQkSSQGjIl0rpGsOlwzKHtc3x/wA4khUk68U+uQYAM4rW/ED+1DSfC5gFGN5 4vvtJSl3Qac3DI0PrBku9kQ2mRP3F+q5l9hMC8sa6+xXl6O/CXPJ8/w5A== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvfedrvdeigdduvdeiucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurheptgfghfggufffkfhfvegjvffosehtqhhmtdhhtdejnecuhfhrohhmpeftohhn ucfprghtrghlihgvuceorhhonhesrhhonhhnrghtrghlihgvrdgtohhmqeenucggtffrrg htthgvrhhnpedtjefghefhudffiefhjedtkeeuheehtdejjeehleekleehfeehgfevfeek heegheenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpe hrohhnsehrohhnnhgrthgrlhhivgdrtghomh X-ME-Proxy: Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 3 May 2022 04:03:29 -0400 (EDT) Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable From: Ron Natalie Mime-Version: 1.0 (1.0) Date: Tue, 3 May 2022 10:03:27 +0200 Message-Id: <566F1A30-1F64-4C5D-9CB6-E87020830EB9@ronnatalie.com> References: In-Reply-To: To: Miod Vallat X-Mailer: iPhone Mail (19E258) Subject: Re: [TUHS] First Unix-like OSes not derived from AT&T code? X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: TUHS main list Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" All I remember was that the Metaware compilers came with prayer book. =20 > On May 3, 2022, at 09:43, Miod Vallat wrote: >=20 > =EF=BB=BF >>=20 >>> At the end of the AOS work circa 1996, most of the kernel was 4.4, >>> except for the network stack which was 4.3-Reno, and the VM system which= >>> was still 4.3 (hence no mmap). >>=20 >>=20 >> This happened outside of IBM, didn't it? What prevented the rest of the V= M >> code being ported? >=20 > Most - if not all - the AOS work was done by Roger Florkowski and Mark > Dapoz, and Roger was definitely working for IBM at that time. >=20 > I think time was limiting factor, but also Roger was not really wanting > to port the Mach VM to AOS due to the RT MMU limitations - in > particular, there is no way for multiple virtual addresses to point to > the same page, so you need to keep evicting/switching mappings when you > want a page to be available to the kernel and the currently running > userland process. That was fixed in the POWER MMU. >=20 >> I vaguely remember Metaware being somewhat religiously extreme, but again= >> the details are fuzzy now. Was there some kind of ecclesiastical referenc= e >> in the man page? >=20 > I'm afraid that doesn't ring any bell. >=20 > Miod