From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: tuhs-bounces@minnie.tuhs.org X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE,T_DKIM_INVALID autolearn=ham autolearn_force=no version=3.4.1 Received: from minnie.tuhs.org (minnie.tuhs.org [45.79.103.53]) by inbox.vuxu.org (OpenSMTPD) with ESMTP id 04a3de70 for ; Sun, 2 Sep 2018 14:56:05 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 2D4DBA209D; Mon, 3 Sep 2018 00:56:04 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 01840A1A98; Mon, 3 Sep 2018 00:55:46 +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=kW/7XhvL; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id AAC1AA1A98; Mon, 3 Sep 2018 00:55:42 +1000 (AEST) Received: from mail-io0-f195.google.com (mail-io0-f195.google.com [209.85.223.195]) by minnie.tuhs.org (Postfix) with ESMTPS id 7A50DA1A90 for ; Mon, 3 Sep 2018 00:55:41 +1000 (AEST) Received: by mail-io0-f195.google.com with SMTP id l7-v6so14044313iok.6 for ; Sun, 02 Sep 2018 07:55:41 -0700 (PDT) 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=BnmImN/IyqGd6M7tE/oOPPgQsX72wVagLko1I4L6nT0=; b=kW/7XhvLYpDEvGttjEw4rX0QAd8OTNlltMuUIh+KifSMpE39RGN1MzoCW93DESPLZu BNPBUqLgVAXJG3SdcAjKtZ447djfghZa6cz2NtVn1+QHDgkx1/mAMHL+vLQYcwAJ/Esd hNOi/RzaPrP0UOt/Qf2iyw6h2EoKO4ub1bboNQjtkhGRhTFBhbjI4942XptBivjz0T9/ QFxcmodMsl+Z3UxA0/jyuyA7k+/p+4Aa8g2ZdLrLLKhN3SgeCm4uy/l8K1lYugurJklY NCtoK+hsx4oe+p38jBogBaLBrdeNzsgWs4lOuJml4xWzWLkCMPUQsGdgNj6Njih6J4qf ztbA== 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=BnmImN/IyqGd6M7tE/oOPPgQsX72wVagLko1I4L6nT0=; b=e/TNXdqwTUU6ouZ2PtlKLzrZZLBNMCCCZLNEogflaqsrO8+XlrEmPS3Op+hRWH2W24 GC+ju2i6esNs79QT0yvhO3mCgosKMB7I3mytirHBKAuHO96jjtrJ8CggrHH6WPtHH2aK q4p7av23xsXNsQH0r2UmbNF1N5TyMQYS4WQUo0Bo8HJCCrbJ1qv9H0pb27cn8dNvN3L5 21lF9uNx6aWAtV8otOsNqNyt5DA/QSc/mV+fkfOCGLHMOQGZ9FoStX5WNyqXr5LbFHeU XWD60le9sf1CVrLk4HHrGEEpPb+jxq2mEiH8Vmxpu+ba5VklZDab6N7rzKSYh4G+aELt dtpg== X-Gm-Message-State: APzg51C2n21rIfMh/sqPy/bmZzlL4HNHPVOnj0oYXGD4UfnJgadwMXRM QlhfQ6Pot4Et3vR8OX5a8v975zAQlBzHm1Sr3YA6rA== X-Google-Smtp-Source: ANB0VdY74/kK9H8OW99ZB1oYf07vEwSm8fm0EYMsvf4RM43fmPCjytvn72XOoZw/QkpEVs2LgUxOcpTi1PvCiSCGAIs= X-Received: by 2002:a6b:d004:: with SMTP id x4-v6mr16697596ioa.299.1535900140616; Sun, 02 Sep 2018 07:55:40 -0700 (PDT) MIME-Version: 1.0 References: <20180901185053.GA20993@mcvoy.com> In-Reply-To: From: Warner Losh Date: Sun, 2 Sep 2018 08:55:29 -0600 Message-ID: To: Kevin Bowling Content-Type: multipart/alternative; boundary="0000000000004ad4310574e49eda" Subject: Re: [TUHS] UVM VM system X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.20 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" --0000000000004ad4310574e49eda Content-Type: text/plain; charset="UTF-8" On Sat, Sep 1, 2018, 11:19 PM Kevin Bowling wrote: > Seems like Chuck Cranor is at CMU http://chuck.cranor.org/. Chuck > Silvers is with you? > Why I'm embarrassed to admit you are right. Chuck Silvers also did some VM work, but not uvm. Warner On Sat, Sep 1, 2018 at 1:25 PM, Warner Losh wrote: > > > > > > On Sat, Sep 1, 2018, 1:42 PM ron minnich wrote: > >> > >> I was his advisor on that thesis so I got to watch it roll out as it > >> happened. > >> > >> uvm replaced the machvm in netbsd. > >> > >> For a time, Chuck set it up to run in parallel with the existing VM. You > >> could start a process and pick which vm it used. For a while, it > defaulted > >> to the existing one. Then, at some point, it defaulted to uvm. Then, at > some > >> point, the old one was removed. > >> > >> more here: > >> > >> http://www.netbsd.org/docs/kernel/uvm.html > >> > >> via search terms > >> uvm replaces machvm netbsd > >> > >> chuck was a long time contributor to netbsd IIRC, but last time we > talked, > >> he was using Linux. > > > > > > These days I know he's hacking on FreeBSD's storage stack with me at work > > :). I think he's still a netbsd contributor. I see his name in the commit > > log often.. > > > > Warner > --0000000000004ad4310574e49eda Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


= On Sat, Sep 1, 2018, 11:19 PM Kevin Bowling <kevin.bowling@kev009.com> wrote:
Seems like Chuck Cranor is at CMU http://ch= uck.cranor.org/.=C2=A0 Chuck
Silvers is with you?

Why I'm embarrassed to admit you are right. Chuck S= ilvers also did some VM work, but not uvm.

Warner

On Sat, Sep 1, 2018 at 1:25 PM, Warner Losh <imp@bsdimp.com> wrote: >
>
> On Sat, Sep 1, 2018, 1:42 PM ron minnich <rminnich@gmail.com>= ; wrote:
>>
>> I was his advisor on that thesis so I got to watch it roll out as = it
>> happened.
>>
>> uvm replaced the machvm in netbsd.
>>
>> For a time, Chuck set it up to run in parallel with the existing V= M. You
>> could start a process and pick which vm it used. For a while, it d= efaulted
>> to the existing one. Then, at some point, it defaulted to uvm. The= n, at some
>> point, the old one was removed.
>>
>> more here:
>>
>> http://www.netbsd.org/docs/kernel/uvm.= html
>>
>> via search terms
>> uvm replaces machvm netbsd
>>
>> chuck was a long time contributor to netbsd IIRC, but last time we= talked,
>> he was using Linux.
>
>
> These days I know he's hacking on FreeBSD's storage stack with= me at work
> :). I think he's still a netbsd contributor. I see his name in the= commit
> log often..
>
> Warner
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