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Re: [PATCH] x86: trim ram need to check if mtrr is there v2
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From:
Yinghai Lu <yhlu.kernel@...>
To: H. Peter Anvin <hpa@...>
Cc: Jeremy Fitzhardinge <jeremy@...>, Ingo Molnar <mingo@...>, Linux Kernel Mailing List <linux-kernel@...>
Subject:
Re: [PATCH] x86: trim ram need to check if mtrr is there v2
Date: Friday, January 25, 2008 - 3:50 am
On Jan 24, 2008 9:44 PM, H. Peter Anvin <hpa@zytor.com> wrote:
quoted text
> Yinghai Lu wrote: > >> H. Peter Anvin wrote: > >> Looks like the code doesn't check that the CPU *has* MTRRs... > > > > so check it mtrr is there, also check if mem less 4G and is AMD as early > > Why the check for < 4 GB? The same thing applies to memory below the 4 > GB limit -- in fact, we've had a number of that kind of systems in the past.
then we could remove that. YH --
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Messages in current thread:
x86.git: mtrr trimming removes all memory under kvm
, Jeremy Fitzhardinge
, (Thu Jan 24, 9:44 pm)
Re: x86.git: mtrr trimming removes all memory under kvm
, H. Peter Anvin
, (Thu Jan 24, 9:49 pm)
[PATCH] x86: trim ram need to check if mtrr is there v2
, Yinghai Lu
, (Thu Jan 24, 11:47 pm)
Re: [PATCH] x86: trim ram need to check if mtrr is there v2
, Jeremy Fitzhardinge
, (Fri Jan 25, 3:43 am)
[PATCH] x86: trim ram need to check if mtrr is there v3
, Yinghai Lu
, (Fri Jan 25, 4:42 am)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, Ingo Molnar
, (Fri Jan 25, 10:21 am)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, Andi Kleen
, (Fri Jan 25, 10:57 am)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, Ingo Molnar
, (Fri Jan 25, 11:10 am)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, H. Peter Anvin
, (Fri Jan 25, 11:57 am)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, Ingo Molnar
, (Fri Jan 25, 7:09 am)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, Jeremy Fitzhardinge
, (Fri Jan 25, 2:59 pm)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, Ingo Molnar
, (Fri Jan 25, 3:02 pm)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, Jeremy Fitzhardinge
, (Fri Jan 25, 2:55 pm)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, Yinghai Lu
, (Fri Jan 25, 3:19 pm)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, Jeremy Fitzhardinge
, (Fri Jan 25, 3:04 pm)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, Ingo Molnar
, (Fri Jan 25, 2:59 pm)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, Jeremy Fitzhardinge
, (Fri Jan 25, 3:01 pm)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, Ingo Molnar
, (Fri Jan 25, 3:04 pm)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, Jeremy Fitzhardinge
, (Fri Jan 25, 3:27 pm)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, Yinghai Lu
, (Fri Jan 25, 3:32 pm)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, Jeremy Fitzhardinge
, (Fri Jan 25, 3:39 pm)
Re: [PATCH] x86: trim ram need to check if mtrr is there v3
, Ingo Molnar
, (Fri Jan 25, 3:30 pm)
Re: [PATCH] x86: trim ram need to check if mtrr is there v2
, Yinghai Lu
, (Fri Jan 25, 4:13 am)
Re: [PATCH] x86: trim ram need to check if mtrr is there v2
, Ingo Molnar
, (Fri Jan 25, 7:12 am)
Re: [PATCH] x86: trim ram need to check if mtrr is there v2
, H. Peter Anvin
, (Fri Jan 25, 11:47 am)
Re: [PATCH] x86: trim ram need to check if mtrr is there v2
, Yinghai Lu
, (Fri Jan 25, 4:39 am)
Re: [PATCH] x86: trim ram need to check if mtrr is there v2
, H. Peter Anvin
, (Fri Jan 25, 1:44 am)
Re: [PATCH] x86: trim ram need to check if mtrr is there v2
, Yinghai Lu
, (Fri Jan 25, 3:50 am)
Re: x86.git: mtrr trimming removes all memory under kvm
, Yinghai Lu
, (Thu Jan 24, 10:32 pm)
Re: x86.git: mtrr trimming removes all memory under kvm
, Andi Kleen
, (Fri Jan 25, 6:52 am)
Re: x86.git: mtrr trimming removes all memory under kvm
, Yinghai Lu
, (Thu Jan 24, 10:21 pm)
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