From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: ebiederm@xmission.com (Eric W. Biederman)
Cc: Thomas Gleixner <tglx@linutronix.de>,
Yinghai Lu <yhlu.kernel@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
Gabriel C <nix.or.die@googlemail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Mika Fischer <mika.fischer@zoopnet.de>
Subject: Re: [PATCH] x86: mtrr cleanup for converting continuous to discrete layout v5
Date: Wed, 30 Apr 2008 10:57:19 +0100 [thread overview]
Message-ID: <20080430105719.6b39cda0@core> (raw)
In-Reply-To: <m18wywuooz.fsf@frodo.ebiederm.org>
> The best definition I have heard of SMM mode is: smack the stupid OS
> that isn't doing what it should be doing at runtime mode.
Its also used for all sorts of ugly horrible hacks - like some boards
with broken latches on timers where the firmware uses SMM to emulate the
hardware and spins until the low byte flips before loading the time into
the RTC.
Thankfully on the newest cpus SMM mode is a bit more elegantly designed,
the original is a weird not quite real mode with extra bugs while nowdays
its more of a virtual machine
prev parent reply other threads:[~2008-04-30 10:06 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-28 6:37 [PATCH] x86: mtrr cleanup for converting continuous to discrete layout Yinghai Lu
2008-04-28 9:06 ` [PATCH] x86: mtrr cleanup for converting continuous to discrete layout v2 Yinghai Lu
2008-04-28 13:08 ` Ingo Molnar
2008-04-28 13:49 ` Arjan van de Ven
2008-04-28 15:28 ` Mika Fischer
2008-04-28 5:50 ` Arjan van de Ven
2008-04-28 16:01 ` Gabriel C
2008-04-28 16:28 ` Mika Fischer
2008-04-28 19:44 ` [PATCH] x86: mtrr cleanup for converting continuous to discrete layout v3 Yinghai Lu
2008-04-28 20:15 ` Ingo Molnar
2008-04-28 20:18 ` Yinghai Lu
2008-04-28 20:29 ` Ingo Molnar
2008-04-28 20:16 ` [PATCH] x86: mtrr cleanup for converting continuous to discrete layout v4 Yinghai Lu
2008-04-28 22:05 ` [PATCH] x86: mtrr cleanup for converting continuous to discrete layout v5 Yinghai Lu
2008-04-28 22:36 ` Randy Dunlap
2008-04-28 22:47 ` Yinghai Lu
2008-04-29 2:42 ` Andrew Morton
2008-04-29 3:01 ` Yinghai Lu
[not found] ` <200804290157.30651.yhlu.kernel@gmail.com>
2008-04-29 8:59 ` [PATCH 2/2] x86: fix trimming e820 with MTRR holes Yinghai Lu
2008-04-29 11:35 ` Ingo Molnar
2008-04-29 17:18 ` Yinghai Lu
2008-04-29 17:20 ` Yinghai Lu
2008-04-30 3:25 ` [PATCH] x86: fix trimming e820 with MTRR holes. - fix Yinghai Lu
2008-04-30 12:09 ` Ingo Molnar
2008-04-29 9:00 ` [PATCH 1/2] x86: mtrr cleanup for converting continuous to discrete layout v7 Yinghai Lu
2008-04-29 9:47 ` Gabriel C
2008-04-29 10:30 ` Yinghai Lu
2008-04-29 10:56 ` Yinghai Lu
2008-04-29 11:26 ` Ingo Molnar
2008-04-29 11:51 ` Gabriel C
2008-04-29 17:11 ` Yinghai Lu
2008-04-29 20:25 ` Gabriel C
2008-04-29 21:49 ` Yinghai Lu
2008-04-29 23:56 ` Gabriel C
2008-04-30 0:06 ` Gabriel C
2008-04-30 0:38 ` Yinghai Lu
2008-04-30 1:02 ` Gabriel C
2008-04-30 3:00 ` Yinghai Lu
2008-04-30 3:29 ` Yinghai Lu
2008-04-30 4:12 ` Gabriel C
2008-04-30 4:25 ` Yinghai Lu
2008-04-30 12:04 ` Gabriel C
2008-04-30 16:26 ` Yinghai Lu
2008-04-30 0:13 ` Yinghai Lu
2008-04-29 10:52 ` [PATCH 1/2] x86: mtrr cleanup for converting continuous to discrete layout v8 Yinghai Lu
2008-04-29 13:07 ` Ingo Molnar
2008-04-29 17:25 ` Yinghai Lu
2008-04-29 20:46 ` Randy Dunlap
2008-04-29 21:54 ` Yinghai Lu
2008-04-30 3:25 ` [PATCH] x86: mtrr cleanup for converting continuous to discrete layout v8 - fix Yinghai Lu
2008-04-30 12:09 ` Ingo Molnar
2008-05-01 8:00 ` [PATCH] x86: mtrr cleanup for converting continuous to discrete - auto detect Yinghai Lu
2008-05-01 11:45 ` Gabriel C
2008-05-02 0:06 ` Yinghai Lu
2008-05-02 0:29 ` Gabriel C
2008-05-02 0:35 ` Yinghai Lu
2008-05-02 1:18 ` Gabriel C
2008-05-02 1:55 ` Yinghai Lu
2008-05-01 12:09 ` Mika Fischer
2008-05-01 16:35 ` Yinghai Lu
2008-05-01 16:59 ` Mika Fischer
2008-05-01 17:40 ` Yinghai Lu
2008-05-01 15:09 ` Randy Dunlap
2008-05-01 16:38 ` Yinghai Lu
2008-05-01 18:57 ` [PATCH] x86: mtrr cleanup for converting continuous to discrete - auto detect v2 Yinghai Lu
2008-05-01 19:42 ` H. Peter Anvin
2008-05-01 21:02 ` Yinghai Lu
2008-05-01 21:10 ` H. Peter Anvin
2008-05-01 21:20 ` Yinghai Lu
2008-05-01 21:26 ` H. Peter Anvin
2008-05-01 21:31 ` Yinghai Lu
2008-05-01 21:33 ` H. Peter Anvin
2008-05-01 21:44 ` Yinghai Lu
2008-05-01 21:49 ` H. Peter Anvin
2008-05-01 22:52 ` Yinghai Lu
2008-05-01 22:57 ` H. Peter Anvin
2008-05-01 23:10 ` Yinghai Lu
2008-05-02 0:52 ` [PATCH] x86: mtrr cleanup for converting continuous to discrete - auto detect v3 Yinghai Lu
2008-05-02 9:40 ` [PATCH] x86: mtrr cleanup for converting continuous to discrete - auto detect v4 Yinghai Lu
2008-04-29 19:00 ` [PATCH] x86: mtrr cleanup for converting continuous to discrete layout v5 Eric W. Biederman
2008-04-29 20:04 ` Yinghai Lu
2008-04-29 20:29 ` Eric W. Biederman
2008-04-29 21:57 ` Yinghai Lu
2008-04-29 22:09 ` Ingo Molnar
2008-04-29 22:18 ` Yinghai Lu
2008-04-29 22:14 ` Eric W. Biederman
2008-04-29 22:54 ` Thomas Gleixner
2008-04-30 1:16 ` Eric W. Biederman
2008-04-30 9:57 ` Alan Cox [this message]
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