From owner-freebsd-current@FreeBSD.ORG Sun Dec 4 22:16:00 2011 Return-Path: Delivered-To: freebsd-current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 76A2F106572D; Sun, 4 Dec 2011 22:16:00 +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 542588FC08; Sun, 4 Dec 2011 22:15:58 +0000 (UTC) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id AAA00644; Mon, 05 Dec 2011 00:15:57 +0200 (EET) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1RXKLl-000I86-Cd; Mon, 05 Dec 2011 00:15:57 +0200 Message-ID: <4EDBF11D.6030401@FreeBSD.org> Date: Mon, 05 Dec 2011 00:15:57 +0200 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:8.0) Gecko/20111108 Thunderbird/8.0 MIME-Version: 1.0 To: Attilio Rao References: <20111113083215.GV50300@deviant.kiev.zoral.com.ua> <201111171638.03208.jhb@freebsd.org> <4EC6D544.5040803@FreeBSD.org> <201111211132.42119.jhb@freebsd.org> In-Reply-To: X-Enigmail-Version: undefined Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: Kostik Belousov , freebsd-current@FreeBSD.org, John Baldwin Subject: Re: Stop scheduler on panic X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 04 Dec 2011 22:16:00 -0000 on 21/11/2011 18:58 Attilio Rao said the following: > I would be very in favor about having a 'thread trampoline for KDB', > thus that it can use locks. I keep hearing the suggestion to add this trampoline, but I admit that I do not understand its technical meaning in this context. And also how it helps with the locking. So I will appreciate an explanation! Thanks! -- Andriy Gapon