From owner-svn-src-head@freebsd.org Mon Oct 7 18:12:52 2019 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 830CA136085; Mon, 7 Oct 2019 18:12:52 +0000 (UTC) (envelope-from julian@freebsd.org) Received: from vps1.elischer.org (vps1.elischer.org [204.109.63.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "vps1.elischer.org", Issuer "CA Cert Signing Authority" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 46n7r42v3wz4NTJ; Mon, 7 Oct 2019 18:12:52 +0000 (UTC) (envelope-from julian@freebsd.org) Received: from Julian-MBP3.local (c-73-225-95-104.hsd1.wa.comcast.net [73.225.95.104]) (authenticated bits=0) by vps1.elischer.org (8.15.2/8.15.2) with ESMTPSA id x97ICnff054137 (version=TLSv1.2 cipher=AES128-SHA bits=128 verify=NO); Mon, 7 Oct 2019 11:12:50 -0700 (PDT) (envelope-from julian@freebsd.org) Subject: Re: svn commit: r353149 - head/sys/amd64/amd64 To: Mateusz Guzik , src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org References: <201910062213.x96MDZv3085523@repo.freebsd.org> From: Julian Elischer Message-ID: <11d81a71-ebdd-72ae-3960-bf6fd3fdeb57@freebsd.org> Date: Mon, 7 Oct 2019 11:12:43 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <201910062213.x96MDZv3085523@repo.freebsd.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-Rspamd-Queue-Id: 46n7r42v3wz4NTJ X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-5.97 / 15.00]; NEURAL_HAM_MEDIUM(-0.97)[-0.969,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; REPLY(-4.00)[] X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 07 Oct 2019 18:12:52 -0000 On 10/6/19 3:13 PM, Mateusz Guzik wrote: > Author: mjg > Date: Sun Oct 6 22:13:35 2019 > New Revision: 353149 > URL: https://svnweb.freebsd.org/changeset/base/353149 > > Log: > amd64 pmap: implement per-superpage locks > > I read the diff and it seems ok and I'm glad you can turn it off if there are issues, Can you give a little more background for those of us who are not up to date in current pmap implementation as to how this works? (for educational reasons)