Date: Thu, 25 Oct 2001 14:52:57 -0700 (PDT) From: John Baldwin <jhb@FreeBSD.org> To: Julian Elischer <julian@elischer.org> Cc: cvs-all@FreeBSD.org, cvs-committers@FreeBSD.org, Bruce Evans <bde@zeta.org.au> Subject: Re: cvs commit: src/sys/i386/i386 genassym.c machdep.c swtch.s s Message-ID: <XFMail.011025145257.jhb@FreeBSD.org> In-Reply-To: <Pine.BSF.4.21.0110251550270.6914-100000@InterJet.elischer.org>
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On 25-Oct-01 Julian Elischer wrote: > p is short for "processor" :-) Then you are making the pcb per-kse now since kse's are the virtual cpu? That's news. :-P I think it was 'process control block' and should now be a 'thread control block'. > On Thu, 25 Oct 2001, John Baldwin wrote: > >> >> 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/ >> > -- 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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