From owner-freebsd-threads@FreeBSD.ORG Fri Apr 4 23:46:52 2003 Return-Path: Delivered-To: freebsd-threads@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3DBC037B401 for ; Fri, 4 Apr 2003 23:46:52 -0800 (PST) Received: from park.rambler.ru (park.rambler.ru [81.19.64.101]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3107243FBF for ; Fri, 4 Apr 2003 23:46:51 -0800 (PST) (envelope-from is@rambler-co.ru) Received: from is.park.rambler.ru (is.park.rambler.ru [81.19.64.102]) by park.rambler.ru (8.12.6/8.12.6) with ESMTP id h357knmF055383; Sat, 5 Apr 2003 11:46:49 +0400 (MSD) Date: Sat, 5 Apr 2003 11:46:49 +0400 (MSD) From: Igor Sysoev X-Sender: is@is To: Terry Lambert In-Reply-To: <3E8E062F.2F69D32F@mindspring.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: freebsd-threads@freebsd.org Subject: Re: 1:N threading X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 05 Apr 2003 07:46:52 -0000 On Fri, 4 Apr 2003, Terry Lambert wrote: > PS: I agree on the GDT, in principle, but in practice, is the > number-of-entries limit that comes with that acceptable? That's > where the TSS limit of 65536 comes from, right? No, there's no limit. All processes use the same GDT selectors that point to the same GDT descriptors that describe the same segments that start at 0 and end at 0xffffffff. And there's %cr3 that points to mapping that makes these segments different in each process. Igor Sysoev http://sysoev.ru/en/