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Re: [PATCH] x86: mtrr cleanup for converting continuous to discrete layout v5

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From: Alan Cox <alan@...>
To: Eric W. Biederman <ebiederm@...>
Cc: Thomas Gleixner <tglx@...>, Yinghai Lu <yhlu.kernel@...>, Andrew Morton <akpm@...>, Ingo Molnar <mingo@...>, H. Peter Anvin <hpa@...>, Gabriel C <nix.or.die@...>, linux-kernel@vger.kernel.org <linux-kernel@...>, Mika Fischer <mika.fischer@...>
Subject: Re: [PATCH] x86: mtrr cleanup for converting continuous to discrete layout v5
Date: Wednesday, April 30, 2008 - 5:57 am

> The best definition I have heard of SMM mode is: smack the stupid OS

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
--
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Messages in current thread:
[PATCH] x86: mtrr cleanup for converting continuous to discr..., Yinghai Lu, (Mon Apr 28, 2:37 am)
[PATCH] x86: mtrr cleanup for converting continuous to discr..., Yinghai Lu, (Mon Apr 28, 5:06 am)
[PATCH] x86: mtrr cleanup for converting continuous to discr..., Yinghai Lu, (Mon Apr 28, 3:44 pm)
[PATCH] x86: mtrr cleanup for converting continuous to discr..., Yinghai Lu, (Mon Apr 28, 4:16 pm)
[PATCH] x86: mtrr cleanup for converting continuous to discr..., Yinghai Lu, (Mon Apr 28, 6:05 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Eric W. Biederman, (Tue Apr 29, 3:00 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Tue Apr 29, 4:04 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Eric W. Biederman, (Tue Apr 29, 4:29 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Tue Apr 29, 5:57 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Eric W. Biederman, (Tue Apr 29, 6:14 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Thomas Gleixner, (Tue Apr 29, 6:54 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Eric W. Biederman, (Tue Apr 29, 9:16 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Alan Cox, (Wed Apr 30, 5:57 am)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Ingo Molnar, (Tue Apr 29, 6:09 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Tue Apr 29, 6:18 pm)
[PATCH 1/2] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Tue Apr 29, 5:00 am)
[PATCH 1/2] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Tue Apr 29, 6:52 am)
[PATCH] x86: mtrr cleanup for converting continuous to discr..., Yinghai Lu, (Tue Apr 29, 11:25 pm)
[PATCH] x86: mtrr cleanup for converting continuous to discr..., Yinghai Lu, (Thu May 1, 4:00 am)
[PATCH] x86: mtrr cleanup for converting continuous to discr..., Yinghai Lu, (Thu May 1, 2:57 pm)
[PATCH] x86: mtrr cleanup for converting continuous to discr..., Yinghai Lu, (Thu May 1, 8:52 pm)
[PATCH] x86: mtrr cleanup for converting continuous to discr..., Yinghai Lu, (Fri May 2, 5:40 am)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., H. Peter Anvin, (Thu May 1, 3:42 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Thu May 1, 5:02 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., H. Peter Anvin, (Thu May 1, 5:10 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Thu May 1, 5:20 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., H. Peter Anvin, (Thu May 1, 5:26 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Thu May 1, 5:31 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., H. Peter Anvin, (Thu May 1, 5:33 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Thu May 1, 5:44 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., H. Peter Anvin, (Thu May 1, 5:49 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Thu May 1, 6:52 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., H. Peter Anvin, (Thu May 1, 6:57 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Thu May 1, 7:10 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Randy Dunlap, (Thu May 1, 11:09 am)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Thu May 1, 12:38 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Mika Fischer, (Thu May 1, 8:09 am)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Thu May 1, 12:35 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Mika Fischer, (Thu May 1, 12:59 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Thu May 1, 1:40 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Gabriel C, (Thu May 1, 7:45 am)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Thu May 1, 8:06 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Gabriel C, (Thu May 1, 8:29 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Thu May 1, 8:35 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Gabriel C, (Thu May 1, 9:18 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Thu May 1, 9:55 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Ingo Molnar, (Wed Apr 30, 8:09 am)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Randy Dunlap, (Tue Apr 29, 4:46 pm)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Yinghai Lu, (Tue Apr 29, 5:54 pm)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Ingo Molnar, (Tue Apr 29, 9:07 am)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Yinghai Lu, (Tue Apr 29, 1:25 pm)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Gabriel C, (Tue Apr 29, 5:47 am)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Yinghai Lu, (Tue Apr 29, 6:30 am)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Yinghai Lu, (Tue Apr 29, 6:56 am)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Gabriel C, (Tue Apr 29, 7:51 am)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Yinghai Lu, (Tue Apr 29, 1:11 pm)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Gabriel C, (Tue Apr 29, 4:25 pm)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Yinghai Lu, (Tue Apr 29, 5:49 pm)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Gabriel C, (Tue Apr 29, 7:56 pm)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Yinghai Lu, (Tue Apr 29, 8:13 pm)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Gabriel C, (Tue Apr 29, 8:06 pm)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Yinghai Lu, (Tue Apr 29, 8:38 pm)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Gabriel C, (Tue Apr 29, 9:02 pm)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Yinghai Lu, (Tue Apr 29, 11:00 pm)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Yinghai Lu, (Tue Apr 29, 11:29 pm)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Gabriel C, (Wed Apr 30, 12:12 am)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Yinghai Lu, (Wed Apr 30, 12:25 am)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Gabriel C, (Wed Apr 30, 8:04 am)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Yinghai Lu, (Wed Apr 30, 12:26 pm)
Re: [PATCH 1/2] x86: mtrr cleanup for converting continuous ..., Ingo Molnar, (Tue Apr 29, 7:26 am)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Andrew Morton, (Mon Apr 28, 10:42 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Mon Apr 28, 11:01 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Randy Dunlap, (Mon Apr 28, 6:36 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Mon Apr 28, 6:47 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Ingo Molnar, (Mon Apr 28, 4:15 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Yinghai Lu, (Mon Apr 28, 4:18 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Ingo Molnar, (Mon Apr 28, 4:29 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Ingo Molnar, (Mon Apr 28, 9:08 am)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Arjan van de Ven, (Mon Apr 28, 9:49 am)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Mika Fischer, (Mon Apr 28, 11:28 am)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Arjan van de Ven, (Mon Apr 28, 1:50 am)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Gabriel C, (Mon Apr 28, 12:01 pm)
Re: [PATCH] x86: mtrr cleanup for converting continuous to d..., Mika Fischer, (Mon Apr 28, 12:28 pm)

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