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From: "H. Peter Anvin" <hpa@kernel.org>
To: Zachary Amsden <zach@vmware.com>
Cc: 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 14:34:20 -0700	[thread overview]
Message-ID: <489B6A5C.8030400@kernel.org> (raw)
In-Reply-To: <1218144438.20178.336.camel@bodhitayantram.eng.vmware.com>

Zachary Amsden wrote:
> 
> That can't be done until we know the size of the hole to relocate, which
> isn't known until we probe in the first meg of memory to find the
> associated ROM.  It used to be the case that other things that poked
> around with platform specific memory and checking ROM areas lived around
> here in setup.c, so it was a nice place to put it.  With all the
> abstraction and combination and overifdeffing going on here, that might
> no longer be the case.
> 
> We could move it earlier, but then we'd need another hook to call in
> after max_low_pfn is known.
> 
> Or we could remove the dependency on max_low_pfn and just create a
> liberal linear to physical mapping for lomem which spans all possible
> low memory; then it doesn't matter so much where it is called.
> 

Okay, you lost me about halfway through that... could you perhaps 
describe the problem from the beginning, exactly what you're trying to do?

	-hpa

  reply	other threads:[~2008-08-07 21:35 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 [this message]
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
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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