Re: [PATCH] x86: Construct 32 bit boot time page tables in native format. | KernelTrap

Re: [PATCH] x86: Construct 32 bit boot time page tables in native format.

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From: H. Peter Anvin <hpa@...>

To: Jeremy Fitzhardinge <jeremy@...>

Cc: Pavel Machek <pavel@...>, Rafael J. Wysocki <rjw@...>, Ingo Molnar <mingo@...>, Ian Campbell <ijc@...>, Mika Penttilä <mika.penttila@...>, <linux-kernel@...>, Thomas Gleixner <tglx@...>, Ingo Molnar <mingo@...>, Eric W. Biederman <ebiederm@...>

Subject: Re: [PATCH] x86: Construct 32 bit boot time page tables in native format.

Date: Monday, January 28, 2008 - 4:06 pm

Jeremy Fitzhardinge wrote:
quoted text> H. Peter Anvin wrote:
>>  and we already have to have code to synchronize the PGDs on !PAE and 
>> the PMDs on Xen (although that was supposedly getting fixed).
> 
> No, I don't have any plans there.  Xen will continue to require 
> non-shared kernel pmd, at least for a 32-bit host.  I think the point is 
> that nothing that requires an identity mapping will work under Xen 
> anyway, so Xen just doesn't care about this case.
> 

Still makes it a special case, not just for this.

	-hpa
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Messages in current thread:

[PATCH] x86/voyager: Switch voyager memory detection to earl..., Ian Campbell, (Sat Jan 19, 12:08 pm)

[PATCH] x86: Construct 32 bit boot time page tables in nativ..., Ian Campbell, (Sat Jan 19, 12:08 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Mika Penttilä, (Sun Jan 20, 2:30 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Ian Campbell, (Mon Jan 21, 5:23 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Mon Jan 21, 5:38 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Ian Campbell, (Mon Jan 21, 5:46 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Mon Jan 21, 10:16 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Ian Campbell, (Tue Jan 22, 1:36 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Tue Jan 22, 2:23 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Ian Campbell, (Tue Jan 22, 3:48 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Tue Jan 22, 4:00 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Ingo Molnar, (Tue Jan 22, 4:36 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Ian Campbell, (Wed Jan 23, 4:52 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Jeremy Fitzhardinge, (Wed Jan 23, 9:06 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Ian Campbell, (Thu Jan 24, 5:39 am)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Thu Jan 24, 6:06 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Jeremy Fitzhardinge, (Thu Jan 24, 6:35 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Thu Jan 24, 6:39 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Jeremy Fitzhardinge, (Thu Jan 24, 6:58 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Thu Jan 24, 7:08 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Jeremy Fitzhardinge, (Thu Jan 24, 7:40 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Thu Jan 24, 7:51 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Pavel Machek, (Thu Jan 24, 8:20 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Thu Jan 24, 8:27 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Pavel Machek, (Fri Jan 25, 3:49 am)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Rafael J. Wysocki, (Fri Jan 25, 6:02 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Ingo Molnar, (Mon Jan 28, 11:00 am)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Ingo Molnar, (Mon Jan 28, 12:12 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Rafael J. Wysocki, (Mon Jan 28, 1:02 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Ingo Molnar, (Fri Feb 1, 9:51 am)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Rafael J. Wysocki, (Fri Feb 1, 10:28 am)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Ingo Molnar, (Fri Feb 1, 10:54 am)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Len Brown, (Fri Feb 1, 6:55 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Rafael J. Wysocki, (Mon Jan 28, 11:25 am)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Pavel Machek, (Mon Jan 28, 3:40 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Rafael J. Wysocki, (Mon Jan 28, 4:26 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Jeremy Fitzhardinge, (Mon Jan 28, 4:44 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Rafael J. Wysocki, (Mon Jan 28, 4:50 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Mon Jan 28, 5:28 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Rafael J. Wysocki, (Mon Jan 28, 6:02 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Mon Jan 28, 4:31 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Rafael J. Wysocki, (Mon Jan 28, 4:59 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Mon Jan 28, 3:51 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Jeremy Fitzhardinge, (Mon Jan 28, 4:03 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Mon Jan 28, 4:06 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Rafael J. Wysocki, (Mon Jan 28, 4:28 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Pavel Machek, (Fri Jan 25, 6:11 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Eric W. Biederman, (Thu Jan 24, 10:16 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Thu Jan 24, 10:25 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Rafael J. Wysocki, (Thu Jan 24, 8:46 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Thu Jan 24, 9:08 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Thu Jan 24, 7:44 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Jeremy Fitzhardinge, (Thu Jan 24, 7:51 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Thu Jan 24, 8:02 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Jeremy Fitzhardinge, (Thu Jan 24, 8:11 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Thu Jan 24, 8:15 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Jeremy Fitzhardinge, (Thu Jan 24, 8:31 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Thu Jan 24, 8:37 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Eric W. Biederman, (Thu Jan 24, 10:56 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Jeremy Fitzhardinge, (Fri Jan 25, 12:41 am)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Eric W. Biederman, (Fri Jan 25, 7:07 am)

[PATCH] x86: make nx_enabled conditional on CONFIG_X86_PAE, Harvey Harrison, (Tue Jan 22, 5:00 pm)

Re: [PATCH] x86: make nx_enabled conditional on CONFIG_X86_PAE, Harvey Harrison, (Tue Jan 22, 5:07 pm)

Re: [PATCH] x86: make nx_enabled conditional on CONFIG_X86_PAE, Ingo Molnar, (Tue Jan 22, 5:04 pm)

Re: [PATCH] x86: make nx_enabled conditional on CONFIG_X86_PAE, Harvey Harrison, (Tue Jan 22, 5:35 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Ian Campbell, (Tue Jan 22, 4:52 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Tue Jan 22, 5:00 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Ian Campbell, (Tue Jan 22, 6:21 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Tue Jan 22, 4:43 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Ingo Molnar, (Tue Jan 22, 4:45 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Andi Kleen, (Sat Jan 19, 7:07 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Ian Campbell, (Sun Jan 20, 12:44 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Andi Kleen, (Sun Jan 20, 1:39 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Sun Jan 20, 2:48 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Ingo Molnar, (Tue Jan 22, 6:05 am)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Tue Jan 22, 12:23 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., Andi Kleen, (Sun Jan 20, 2:55 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Sun Jan 20, 2:54 pm)

Re: [PATCH] x86: Construct 32 bit boot time page tables in n..., H. Peter Anvin, (Sat Jan 19, 7:50 pm)

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