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Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 identity map and kernel text

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From: Dave Jones <davej@...>
To: <Valdis.Kletnieks@...>, Linus Torvalds <torvalds@...>, Pallipadi, Venkatesh <venkatesh.pallipadi@...>, <ak@...>, <ebiederm@...>, <rdreier@...>, <gregkh@...>, <airlied@...>, <davej@...>, <mingo@...>, <tglx@...>, <akpm@...>, <arjan@...>, Barnes, Jesse <jesse.barnes@...>, <davem@...>, <linux-kernel@...>, Siddha, Suresh B <suresh.b.siddha@...>
Subject: Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 identity map and kernel text
Date: Friday, January 18, 2008 - 2:27 pm

On Thu, Jan 10, 2008 at 05:50:41PM -0500, Valdis.Kletnieks@vt.edu wrote:

 > (Personally, I keep a copy of Arjan's "restrict devmem" patch from Fedora
 > around, so I guess that says which camp I belong in, and the fact it's a Fedora
 > patch and not mainstream says something too...)

The way that patch is right now (and has been for some time) is kind of nasty,
and could use cleaning up.  I made a half-assed attempt at improving it
a little over xmas, but it could rewriting from scratch.
That's the only reason I never bothered pushing it (and I assume, the reason
that Arjan didn't push it when he wrote the original).

     Dave

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Messages in current thread:
[patch 02/11] PAT x86: Map only usable memory in x86_64 iden..., , (Thu Jan 10, 2:48 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Linus Torvalds, (Thu Jan 10, 5:05 pm)
RE: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Pallipadi, Venkatesh, (Thu Jan 10, 5:57 pm)
RE: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Linus Torvalds, (Thu Jan 10, 6:15 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., , (Thu Jan 10, 6:50 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Dave Jones, (Fri Jan 18, 2:27 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Ingo Molnar, (Fri Jan 18, 4:54 pm)
RE: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Pallipadi, Venkatesh, (Thu Jan 10, 6:27 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Andi Kleen, (Thu Jan 10, 3:06 pm)
RE: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Pallipadi, Venkatesh, (Thu Jan 10, 3:17 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Andi Kleen, (Thu Jan 10, 3:28 pm)
RE: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Pallipadi, Venkatesh, (Thu Jan 10, 4:50 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Ingo Molnar, (Mon Jan 14, 12:43 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Siddha, Suresh B, (Mon Jan 14, 5:21 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Ingo Molnar, (Tue Jan 15, 6:17 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Siddha, Suresh B, (Tue Jan 15, 7:21 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Ingo Molnar, (Fri Jan 18, 8:01 am)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Andi Kleen, (Fri Jan 18, 9:12 am)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Jesse Barnes, (Fri Jan 18, 12:46 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Andi Kleen, (Fri Jan 18, 2:12 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Jesse Barnes, (Fri Jan 18, 3:02 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Andi Kleen, (Fri Jan 18, 10:42 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Andi Kleen, (Tue Jan 15, 7:11 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Andi Kleen, (Mon Jan 14, 5:28 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Andi Kleen, (Thu Jan 10, 5:16 pm)
RE: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Pallipadi, Venkatesh, (Thu Jan 10, 6:25 pm)
Re: [patch 02/11] PAT x86: Map only usable memory in x86_64 ..., Andi Kleen, (Thu Jan 10, 6:35 pm)