From owner-cvs-all Thu Oct 25 10:10: 3 2001 Delivered-To: cvs-all@freebsd.org Received: from mail12.speakeasy.net (mail12.speakeasy.net [216.254.0.212]) by hub.freebsd.org (Postfix) with ESMTP id DCC9E37B405 for ; Thu, 25 Oct 2001 10:09:52 -0700 (PDT) Received: (qmail 30502 invoked from network); 25 Oct 2001 17:09:43 -0000 Received: from unknown (HELO laptop.baldwin.cx) ([64.81.54.73]) (envelope-sender ) by mail12.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 25 Oct 2001 17:09:43 -0000 Message-ID: X-Mailer: XFMail 1.4.0 on FreeBSD X-Priority: 3 (Normal) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8bit MIME-Version: 1.0 In-Reply-To: <20011025191413.F77571-100000@delplex.bde.org> Date: Thu, 25 Oct 2001 02:19:06 -0700 (PDT) From: John Baldwin To: Bruce Evans Subject: Re: cvs commit: src/sys/i386/i386 genassym.c machdep.c swtch.s s Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On 25-Oct-01 Bruce Evans wrote: > On Thu, 25 Oct 2001, John Baldwin wrote: > >> On 25-Oct-01 Bruce Evans wrote: >> > On Wed, 24 Oct 2001, John Baldwin wrote: >> >> ... >> >> Log: >> >> Split the per-process Local Descriptor Table out of the PCB and into >> >> struct mdproc. >> >> ... >> > Why? It seems to mainly pessimize things by adding an indirection >> > ... >> Imagine a process with 8 threads that sets up a user ldt. Now we have to go >> update the ldt in all 8 pcb's. A ldt is per-process, not per-thread. The >> pcb > > I see. The "p" in "pcb" is an abbreviation of "thread" :-). Heh. Perhaps that should be fixed. :) s/pcb/tcb/? > Bruce -- John Baldwin -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.baldwin.cx/~john/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message