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, HTML_MESSAGE,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 15716 invoked from network); 10 Feb 2021 02:56:37 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 10 Feb 2021 02:56:37 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 4E47A95074; Wed, 10 Feb 2021 12:56:36 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 7D19794F1A; Wed, 10 Feb 2021 12:56:17 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=bsdimp-com.20150623.gappssmtp.com header.i=@bsdimp-com.20150623.gappssmtp.com header.b="pzZrnRYT"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 3ECC494F1A; Wed, 10 Feb 2021 12:56:15 +1000 (AEST) Received: from mail-qt1-f172.google.com (mail-qt1-f172.google.com [209.85.160.172]) by minnie.tuhs.org (Postfix) with ESMTPS id 84B8A94F19 for ; Wed, 10 Feb 2021 12:56:12 +1000 (AEST) Received: by mail-qt1-f172.google.com with SMTP id e11so592289qtg.6 for ; Tue, 09 Feb 2021 18:56:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=wUfrLnKDjodOevzPgXp9FVkUA9lLSRKpL/Uao4rddCw=; b=pzZrnRYTBgn/Ra2FtK+5YgbIuP/JmbwkXGePToJYleswVjxN24tJJHB9cORAwSNkO3 xP0tIJvTFt5KqaTOIAcvCWbZtCvny0bDqM+PzsvjmtTSs89AiZREYjTDpFhNEVZqczS+ RVt1YVX/ilMGVF2ID7ARMl6zP5E02fs0lDWQs+rCdB2e1WJNFmLaQWmr6MYBJ0hCW2tg kNxkVoabD23k46ZXZ4daOPhRtresiPBYIa0Hs3R3OAV5ChmwWkDfuM4z/QbQwS2KdWDk QonDPUaPedWaZuDQwy47wMPMXupUSqcFGQSIH2AUxiHXQDPqYVEmwB8XnAkXRk53U7tK rrIw== 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=wUfrLnKDjodOevzPgXp9FVkUA9lLSRKpL/Uao4rddCw=; b=nx0h1Oe9fXnt8ZUr5YC2L6JDEx1ZHFPw8xz8/yhrzbnsIidubz1qa3jpLW5V1hb/QJ su3DTAiEHFzD4k/XIVdE7vFXjzJ6SShEhnNLob/eHHCReEManpFTYW9nUmiQgnoF2ct1 +TqkgiGYaeWTOOQ2yHkEbQGrk03wEdDvoCZJGcU1WSzS7GseAMCFbPJ3gWmT1udI4fI3 gWOhrts2EA8najxHU0WuOCuYxrsQNKuui2AY9iocfll/zq+opXavgV6hkHqsi5F/qbYW cXcBlFQEwrNXcYmYp9kfRUD+UDtXHUewbr7nJxi3WaIbkUcFtCG9ioX8YZH9dr8rfbLu dkEw== X-Gm-Message-State: AOAM532kHXyi1tpk4btlsVrIh6JMD2qyy4eGaYvD8g0VkmspiYa5Zb1L Ya2hIMIh1EiqPwmd/U5FbmHK4mNEHcmJ390AP46IRQbApZ//EA== X-Google-Smtp-Source: ABdhPJw9BfgNEETEXQz44o/qRvXJM6LtpgF9HlcTbpPrptYGF6e2z3GY71MwfTpcpeXzFSeJdoDAlmCWLU2PVNT65Cw= X-Received: by 2002:a05:622a:303:: with SMTP id q3mr979593qtw.235.1612925771499; Tue, 09 Feb 2021 18:56:11 -0800 (PST) MIME-Version: 1.0 References: <202102091900.119J0Gv9850825@darkstar.fourwinds.com> <20210210014123.GS13701@mcvoy.com> In-Reply-To: <20210210014123.GS13701@mcvoy.com> From: Warner Losh Date: Tue, 9 Feb 2021 19:56:00 -0700 Message-ID: To: Larry McVoy Content-Type: multipart/alternative; boundary="000000000000a8e9de05baf28b02" Subject: Re: [TUHS] Macs and future unix derivatives 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" --000000000000a8e9de05baf28b02 Content-Type: text/plain; charset="UTF-8" On Tue, Feb 9, 2021 at 6:41 PM Larry McVoy wrote: > Which is part of the reason we liked it. I loved SunOS 4.x but it was > also a uniprocessor kernel (Greg Limes tried to make it SMP but it was not > a kernel that wanted to be SMP). I loved it because I could understand > it and it was a bit more complex than v7. > David Barak and the OS group as Solbourne wwere able to do it for OS/MP. First as a ASMP kernel where CPU0 ran the unix kernel, but scheduled jobs for all the other CPUs, the as SMP where the kernel could run on any CPU with progressively finer locking on each release. Warner --000000000000a8e9de05baf28b02 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


=
On Tue, Feb 9, 2021 at 6:41 PM Larry = McVoy <lm@mcvoy.com> wrote:
=
Which is part of the reason we liked it.=C2=A0 I loved SunOS 4.x but it was=
also a uniprocessor kernel (Greg Limes tried to make it SMP but it was not<= br> a kernel that wanted to be SMP).=C2=A0 I loved it because I could understan= d
it and it was a bit more complex than v7.

David Barak and the=C2=A0OS group as Solbourne wwere able to do it for O= S/MP. First as a ASMP kernel where CPU0 ran the unix kernel, but scheduled = jobs for all the other CPUs, the as=C2=A0 SMP where the kernel could run on= any CPU with progressively finer locking on each release.

Warner
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