From: Eli Collins <eli@cs.wisc.edu>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] acme, rio workalike available in plan 9 ports
Date: Tue, 20 Apr 2004 12:34:48 -0500 [thread overview]
Message-ID: <Pine.LNX.4.58.0404201228420.31294@wasabi.cs.wisc.edu> (raw)
In-Reply-To: <883be303d77057955c1a22b8d95e2732@plan9.bell-labs.com>
On Tue, 20 Apr 2004 jmk@plan9.bell-labs.com wrote:
>
> On Tue Apr 20 11:53:45 EDT 2004, rminnich@lanl.gov wrote:
> > On Tue, 20 Apr 2004, Eli Collins wrote:
> >
> > > Regarding the TLB and SOs, I can't figure out all the fuss either since
> > > the TLB is flushed on context switch (on x86 at least).
> >
> > and that's the problem.
> >
> > ron
>
> Plan 9 on the x86 does not do a very good job of managing the TLB, when
> the port was done there was only the option of flushing it entirely. Better
> code for the modern variants may happen.
>
Where could it be improved? My understanding is that on x86 the TLB needs
to be flushed entirely on context switch regardless of the OS (unless you
want to carve up the 4GB linear address space among all proceses and use
segmentation registers).
next prev parent reply other threads:[~2004-04-20 17:34 UTC|newest]
Thread overview: 102+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-21 4:51 Russ Cox
2004-03-21 21:03 ` andrey mirtchovski
2004-03-22 16:30 ` Axel Belinfante
2004-03-23 9:59 ` Bengt Kleberg
2004-03-23 12:23 ` boyd, rounin
2004-03-23 13:17 ` David Presotto
2004-03-23 13:30 ` boyd, rounin
2004-03-23 15:04 ` Fco.J.Ballesteros
2004-03-23 15:39 ` a
2004-03-23 15:09 ` Russ Cox
2004-03-23 15:12 ` Charles Forsyth
2004-03-23 15:29 ` Russ Cox
2004-03-23 15:13 ` Charles Forsyth
2004-03-23 15:39 ` Axel Belinfante
2004-03-23 15:49 ` a
2004-03-23 16:23 ` Russ Cox
2004-03-23 16:27 ` Axel Belinfante
2004-03-23 16:54 ` a
2004-04-01 10:50 ` Bengt Kleberg
2004-04-01 13:24 ` Russ Cox
2004-04-01 13:54 ` Scott Schwartz
2004-04-01 14:33 ` boyd, rounin
2004-04-01 16:14 ` Russ Cox
2004-04-01 15:25 ` boyd, rounin
2004-04-02 9:29 ` Bengt Kleberg
2004-04-02 10:09 ` Bengt Kleberg
2004-04-02 11:15 ` Steve Simon
2004-04-02 15:24 ` boyd, rounin
2004-04-19 10:04 ` Bengt Kleberg
2004-04-02 11:55 ` C H Forsyth
2004-04-02 14:30 ` Russ Cox
2004-04-02 14:53 ` C H Forsyth
2004-04-19 10:04 ` Bengt Kleberg
2004-04-19 11:07 ` Steve Simon
2004-04-20 8:38 ` Bengt Kleberg
2004-04-20 12:12 ` boyd, rounin
2004-04-20 12:20 ` lucio
2004-04-20 12:32 ` boyd, rounin
2004-04-20 12:58 ` lucio
2004-04-20 13:03 ` lucio
2004-04-21 9:03 ` Bengt Kleberg
2004-04-21 9:17 ` Charles Forsyth
2004-04-21 9:02 ` Bengt Kleberg
2004-04-21 9:02 ` Bengt Kleberg
2004-04-21 9:28 ` lucio
2004-04-21 13:53 ` boyd, rounin
2004-04-19 15:00 ` Russ Cox
2004-04-19 18:51 ` boyd, rounin
2004-04-20 8:38 ` Bengt Kleberg
2004-04-20 12:15 ` boyd, rounin
2004-04-20 14:56 ` ron minnich
2004-04-20 17:43 ` Eli Collins
2004-04-20 15:51 ` ron minnich
2004-04-20 17:10 ` jmk
2004-04-20 17:34 ` Eli Collins [this message]
2004-04-20 17:39 ` jmk
2004-04-20 19:42 ` boyd, rounin
2004-04-20 19:09 ` ron minnich
2004-04-20 16:10 ` Charles Forsyth
2004-04-20 16:21 ` ron minnich
2004-04-20 16:40 ` Eli Collins
2004-04-20 19:31 ` boyd, rounin
2004-04-20 19:20 ` boyd, rounin
2004-03-24 10:42 ` Axel Belinfante
2004-03-21 5:07 Noah Evans
2004-03-21 5:25 ` Russ Cox
2004-03-21 6:12 ` Scott Schwartz
2004-03-21 14:02 ` Russ Cox
2004-03-21 15:57 Noah Evans
2004-03-21 20:43 Andrey S. Kukhar
2004-03-21 21:45 Noah Evans
2004-03-21 22:15 ` andrey mirtchovski
2004-04-20 23:04 boyd, rounin
2004-04-20 23:18 ` matt
2004-04-20 23:26 ` Geoff Collyer
2004-04-20 23:28 ` boyd, rounin
2004-04-20 23:48 ` matt
2004-04-20 23:59 ` Charles Forsyth
2004-04-21 3:18 ` Bruce Ellis
2004-04-21 8:51 ` matt
2004-04-21 9:24 ` Charles Forsyth
2004-04-21 9:49 ` C H Forsyth
2004-04-21 12:14 ` boyd, rounin
2004-04-21 0:07 ` Russ Cox
2004-04-21 0:18 ` ron minnich
2004-04-21 0:19 ` boyd, rounin
2004-04-21 2:09 ` ron minnich
2004-04-21 2:20 ` boyd, rounin
2004-04-21 3:43 ` Ronald G. Minnich
2004-04-23 8:55 ` Christoph Hellwig
2004-04-23 8:59 ` boyd, rounin
2004-04-23 15:03 ` ron minnich
2004-04-23 15:29 ` Christoph Hellwig
2004-04-23 15:54 ` ron minnich
2004-04-23 16:20 ` Joel Salomon
2004-04-23 17:03 ` ron minnich
2004-04-23 16:47 ` Christoph Hellwig
2004-04-23 17:04 ` ron minnich
2004-04-23 17:52 ` Christoph Hellwig
2004-04-21 0:40 ` andrey mirtchovski
2004-04-21 3:25 ` Bruce Ellis
2004-04-21 0:38 Charles Forsyth
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