From: ron minnich <rminnich@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] /sys/include/ip.h 5c(1)
Date: Tue, 6 Oct 2009 11:16:57 -0700 [thread overview]
Message-ID: <13426df10910061116x2bb97144vc0d290ece980596c@mail.gmail.com> (raw)
In-Reply-To: <0868ffccbf093ea38926848da39b9145@ladd.quanstro.net>
On Tue, Oct 6, 2009 at 11:06 AM, erik quanstrom <quanstro@quanstro.net> wrote:
> the one that you didn't mention is the one that bothers me: smm mode.
> this has been around for a very long time. smm mode takes a special
> interrupt and takes over the cpu and runs some real-mode code. things
> like ps/2 emulation for usb mice and keyboards rely on smm mode.
> this can really blow up your timing, if you have timing constraints.
don't worry, SMM mode is going to keep getting more and more heavily
used. Oh, wait, that's a bad thing. oh well.
ron
next prev parent reply other threads:[~2009-10-06 18:16 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <<13426df10910061021g3b033abbia134769baee934d3@mail.gmail.com>
2009-10-06 18:06 ` erik quanstrom
2009-10-06 18:16 ` ron minnich [this message]
[not found] <<4ACED151.8060901@conducive.org>
2009-10-09 15:12 ` erik quanstrom
2009-10-09 18:25 ` lucio
[not found] <<a17983cabc815054d953faf2696761f2@vitanuova.com>
2009-10-08 22:42 ` erik quanstrom
2009-10-08 23:11 ` Steve Simon
[not found] <<13426df10910080904l5dc8f3d0sc88ec19f28939a99@mail.gmail.com>
2009-10-08 16:17 ` erik quanstrom
2009-10-08 20:55 ` C H Forsyth
2009-10-09 4:00 ` lucio
2009-10-09 5:59 ` W B Hacker
[not found] <<18f3fced1ebb90eb9c977b47bbcce424@vitanuova.com>
2009-10-06 22:16 ` erik quanstrom
[not found] <<13426df10910061136w616f7cf9m2b566606663a9f50@mail.gmail.com>
2009-10-06 18:48 ` erik quanstrom
[not found] <<85b966411695929ce06c3edd6e3fd77f@plan9.bell-labs.com>
2009-10-06 16:21 ` erik quanstrom
2009-10-06 16:55 ` geoff
2009-10-06 17:21 ` ron minnich
2009-10-06 18:16 ` W B Hacker
2009-10-06 18:36 ` ron minnich
2009-10-06 18:50 ` W B Hacker
2009-10-06 19:13 ` Lyndon Nerenberg - VE6BBM/VE7TFX
2009-10-06 20:03 ` ron minnich
2009-10-06 20:58 ` Wes Kussmaul
2009-10-06 21:15 ` Aharon Robbins
2009-10-06 21:32 ` ron minnich
2009-10-07 21:07 ` Aharon Robbins
2009-10-06 21:51 ` C H Forsyth
2009-10-07 0:19 ` Dave Eckhardt
2009-10-07 0:24 ` ron minnich
2009-10-07 1:59 ` W B Hacker
2009-10-08 16:04 ` ron minnich
2009-10-07 7:59 ` Richard Miller
2009-10-08 7:35 ` Skip Tavakkolian
2009-10-08 10:44 ` Richard Miller
[not found] <<e7fdc0d20910050644x50fc7ad2hc943a075648fdabd@mail.gmail.com>
2009-10-05 13:50 ` erik quanstrom
2009-10-06 5:44 ` Rodriguez Faszanatas
2009-10-06 16:16 ` geoff
2009-10-06 17:18 ` Steve Simon
2009-10-07 6:24 ` Rodriguez Faszanatas
2009-10-10 1:23 ` Ethan Grammatikidis
[not found] <<e7fdc0d20910050205l7bfaa624m33a32f7a5269ff9a@mail.gmail.com>
2009-10-05 13:16 ` erik quanstrom
2009-10-05 13:44 ` Rodriguez Faszanatas
2009-10-05 9:05 Rodriguez Faszanatas
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