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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/

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