From: Jeremy Fitzhardinge <jeremy@goop.org>
To: "H. Peter Anvin" <hpa@kernel.org>
Cc: Zachary Amsden <zach@vmware.com>,
Alok Kataria <akataria@vmware.com>,
"torvalds@linux-foundation.org" <torvalds@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>,
the arch/x86 maintainers <x86@kernel.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH]Fix broken VMI in 2.6.27-rc..
Date: Thu, 07 Aug 2008 16:46:16 -0700 [thread overview]
Message-ID: <489B8948.6060003@goop.org> (raw)
In-Reply-To: <489B84EF.6050009@kernel.org>
H. Peter Anvin wrote:
> The fixmap area should never have been made movable. It's utter
> braindamage.
Shrug. It's been like that for a couple of years now. It was one of
the very first paravirt-ops patches. It wasn't controversial then, and
nobody seems to have noticed since.
> Given the x86 architecture, it's inevitable that PV will want to
> reserve address space at the top of memory, and therefore the fixmap
> area needs to be moved out of that space.
OK. But there's a few places where the code uses FIXADDR_TOP to mean
"top of kernel address space", so we'd need to come up with a proper
symbol for that.
J
next prev parent reply other threads:[~2008-08-07 23:46 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-07 19:12 [PATCH]Fix broken VMI in 2.6.27-rc Alok Kataria
2008-08-07 21:20 ` H. Peter Anvin
2008-08-07 21:27 ` Zachary Amsden
2008-08-07 21:34 ` H. Peter Anvin
2008-08-07 21:42 ` Zachary Amsden
2008-08-07 21:52 ` H. Peter Anvin
2008-08-07 21:55 ` Zachary Amsden
2008-08-07 22:17 ` H. Peter Anvin
2008-08-07 22:38 ` Linus Torvalds
2008-08-07 22:58 ` H. Peter Anvin
2008-08-07 23:08 ` Linus Torvalds
2008-08-07 23:12 ` H. Peter Anvin
2008-08-07 23:26 ` Zachary Amsden
2008-08-07 23:49 ` Jeremy Fitzhardinge
2008-08-07 23:23 ` Jeremy Fitzhardinge
2008-08-08 19:15 ` Alok Kataria
2008-08-08 22:23 ` H. Peter Anvin
2008-08-07 23:21 ` Jeremy Fitzhardinge
2008-08-07 23:27 ` H. Peter Anvin
2008-08-07 23:46 ` Jeremy Fitzhardinge [this message]
2008-08-07 23:51 ` H. Peter Anvin
2008-08-08 0:01 ` Yinghai Lu
2008-08-08 0:11 ` H. Peter Anvin
2008-08-08 0:10 ` Jeremy Fitzhardinge
2008-08-08 0:13 ` H. Peter Anvin
2008-08-08 0:23 ` Jeremy Fitzhardinge
2008-08-08 0:29 ` H. Peter Anvin
2008-08-08 6:10 ` Jeremy Fitzhardinge
2008-08-08 16:13 ` H. Peter Anvin
2008-08-08 1:14 ` Zachary Amsden
2008-08-08 1:19 ` H. Peter Anvin
2008-08-08 1:28 ` Zachary Amsden
2008-08-07 21:41 ` Alok Kataria
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