From owner-svn-src-user@FreeBSD.ORG Wed May 25 14:52:17 2011 Return-Path: Delivered-To: svn-src-user@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5F863106564A; Wed, 25 May 2011 14:52:17 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id DAE748FC0C; Wed, 25 May 2011 14:52:15 +0000 (UTC) Received: from odyssey.starpoint.kiev.ua (alpha-e.starpoint.kiev.ua [212.40.38.101]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id RAA29653; Wed, 25 May 2011 17:52:13 +0300 (EEST) (envelope-from avg@FreeBSD.org) Message-ID: <4DDD179D.5030901@FreeBSD.org> Date: Wed, 25 May 2011 17:52:13 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.2.17) Gecko/20110504 Lightning/1.0b2 Thunderbird/3.1.10 MIME-Version: 1.0 To: mdf@FreeBSD.org References: <201105181508.p4IF8UoS096841@svn.freebsd.org> <20110518182441.GB2273@garage.freebsd.pl> <4DD4243C.4070301@FreeBSD.org> In-Reply-To: X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: Attilio Rao , src-committers@FreeBSD.org, Pawel Jakub Dawidek , svn-src-user@FreeBSD.org Subject: Re: svn commit: r222060 - in user/avg/xcpu/sys: kern sys X-BeenThere: svn-src-user@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the experimental " user" src tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 May 2011 14:52:17 -0000 on 18/05/2011 23:43 mdf@FreeBSD.org said the following: > I know it's almost required now (sync on reboot?!?!), but I would > strongly question, from an architectural standpoint, why the scheduler > should be running at all in panic. Once a thread pulls the panic > trigger, nothing else should run except ddb in that thread's context. I agree, but as I've said in other email I would prefer to keep a backwards-compatibility knob for some time. Personally I don't like things like sync-on-panic, but other people may need some transition time. -- Andriy Gapon