Date: Thu, 25 Oct 2001 02:19:06 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: Bruce Evans <bde@zeta.org.au> Cc: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/i386/i386 genassym.c machdep.c swtch.s s Message-ID: <XFMail.011025021906.jhb@FreeBSD.org> In-Reply-To: <20011025191413.F77571-100000@delplex.bde.org>
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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 <jhb@FreeBSD.org> -- 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
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