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

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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@...>
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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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 ..., Andreas Herrmann3, (Thu Jan 17, 5:03 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 ..., 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 ..., Eric W. Biederman, (Thu Jan 24, 4:22 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 ..., Andreas Herrmann3, (Thu Jan 17, 6:52 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 ..., 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 ..., Andreas Herrmann3, (Thu Jan 17, 3:54 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 ..., Pallipadi, Venkatesh, (Wed Jan 16, 3:05 pm)