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

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From: Andi Kleen <ak@...>
To: Siddha, Suresh B <suresh.b.siddha@...>
Cc: Ingo Molnar <mingo@...>, Andreas Herrmann3 <andreas.herrmann3@...>, Venki Pallipadi <venkatesh.pallipadi@...>, <ebiederm@...>, <rdreier@...>, <torvalds@...>, <gregkh@...>, <airlied@...>, <davej@...>, <tglx@...>, <hpa@...>, <akpm@...>, <arjan@...>, <jesse.barnes@...>, <davem@...>, <linux-kernel@...>
Subject: Re: [patch 0/4] x86: PAT followup - Incremental changes and bug fixes
Date: Friday, January 18, 2008 - 12:25 am

> As Linus mentioned, main problem is to figure out the correct attribute

In this case the correct attribute is the one of the underlying MTRR.

And if it conflicts with some other mapping that overrides an MTRR
the driver was always broken and it should probably error out and be
reevaluated/fixed.

-Andi
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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)