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Re: [patch 0/4] x86: PAT followup - Incremental changes and bug fixes

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From: Andreas Herrmann3 <andreas.herrmann3@...>
To: Ingo Molnar <mingo@...>
Cc: Venki Pallipadi <venkatesh.pallipadi@...>, <ak@...>, <ebiederm@...>, <rdreier@...>, <torvalds@...>, <gregkh@...>, <airlied@...>, <davej@...>, <tglx@...>, <hpa@...>, <akpm@...>, <arjan@...>, <jesse.barnes@...>, <davem@...>, <linux-kernel@...>, <suresh.b.siddha@...>
Subject: Re: [patch 0/4] x86: PAT followup - Incremental changes and bug fixes
Date: Thursday, January 17, 2008 - 7:06 pm

On Thu, Jan 17, 2008 at 11:35:51PM +0100, Ingo Molnar wrote:

The region (c0403000-c04031ff) is not characterized by an MTRR.
The MTRRdefType specifies it and it is

  MTRRdefType          = 0x0000000000000c00
    MemType=0
    MtrrDefTypeFixEn=0x1
    MtrrDefTypeEn=0x1

=> 0==UC

So, that's why it worked.


Andreas



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[patch 0/4] x86: PAT followup - Incremental changes and bug ..., , (Tue Jan 15, 10:39 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Andreas Herrmann, (Wed Jan 16, 2:57 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Venki Pallipadi, (Wed Jan 16, 4:33 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Andreas Herrmann3, (Thu Jan 17, 3:12 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Ingo Molnar, (Thu Jan 17, 4:36 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Andreas Herrmann3, (Thu Jan 17, 5:03 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Ingo Molnar, (Thu Jan 17, 5:13 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Andreas Herrmann3, (Thu Jan 17, 5:42 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Andreas Herrmann3, (Thu Jan 17, 6:26 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Ingo Molnar, (Thu Jan 17, 6:35 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Andreas Herrmann3, (Thu Jan 17, 7:06 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Andreas Herrmann3, (Thu Jan 17, 6:16 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Ingo Molnar, (Thu Jan 17, 6:13 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Siddha, Suresh B, (Thu Jan 17, 5:31 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Andi Kleen, (Fri Jan 18, 12:25 am)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., H. Peter Anvin, (Thu Jan 17, 5:38 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Eric W. Biederman, (Thu Jan 24, 4:22 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., H. Peter Anvin, (Thu Jan 24, 5:36 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Ingo Molnar, (Thu Jan 17, 5:42 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Andreas Herrmann3, (Thu Jan 17, 6:06 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Ingo Molnar, (Thu Jan 17, 6:15 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Andreas Herrmann3, (Thu Jan 17, 6:52 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Venki Pallipadi, (Thu Jan 17, 7:04 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Andreas Herrmann3, (Fri Jan 18, 12:10 pm)
RE: [patch 0/4] x86: PAT followup - Incremental changes and ..., Pallipadi, Venkatesh, (Fri Jan 18, 1:13 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Balbir Singh, (Fri Jan 18, 1:33 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Andreas Herrmann3, (Thu Jan 17, 7:24 pm)
RE: [patch 0/4] x86: PAT followup - Incremental changes and ..., Pallipadi, Venkatesh, (Thu Jan 17, 7:42 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., H. Peter Anvin, (Thu Jan 17, 6:05 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Ingo Molnar, (Thu Jan 17, 5:22 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Ingo Molnar, (Thu Jan 17, 4:44 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., H. Peter Anvin, (Thu Jan 17, 4:33 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Linus Torvalds, (Thu Jan 17, 4:57 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Ingo Molnar, (Thu Jan 17, 4:56 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Andreas Herrmann3, (Thu Jan 17, 3:54 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Andi Kleen, (Wed Jan 16, 6:01 pm)
RE: [patch 0/4] x86: PAT followup - Incremental changes and ..., Pallipadi, Venkatesh, (Wed Jan 16, 6:14 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Andi Kleen, (Wed Jan 16, 6:29 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Ingo Molnar, (Wed Jan 16, 4:24 pm)
RE: [patch 0/4] x86: PAT followup - Incremental changes and ..., Pallipadi, Venkatesh, (Wed Jan 16, 3:05 pm)
Re: [patch 0/4] x86: PAT followup - Incremental changes and ..., Ingo Molnar, (Wed Jan 16, 3:29 am)