Date: Thu, 25 Oct 2001 19:19:46 +1000 (EST) From: Bruce Evans <bde@zeta.org.au> To: John Baldwin <jhb@FreeBSD.org> Cc: <cvs-all@FreeBSD.org>, <cvs-committers@FreeBSD.org> Subject: Re: cvs commit: src/sys/i386/i386 genassym.c machdep.c swtch.s s Message-ID: <20011025191413.F77571-100000@delplex.bde.org> In-Reply-To: <XFMail.011025011830.jhb@FreeBSD.org>
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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" :-). Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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