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Re: [PATCH] x86: trim ram need to check if mtrr is there v2

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From: Ingo Molnar <mingo@...>
To: Yinghai Lu <yhlu.kernel@...>
Cc: Jeremy Fitzhardinge <jeremy@...>, H. Peter Anvin <hpa@...>, 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 - 7:12 am

* Yinghai Lu <yhlu.kernel@gmail.com> wrote:


no ...

lets not do non-sensical trimming of RAM, ok? Emit a warning but never 
trim all of RAM and make the system unbootable. Trimmed RAM is something 
that users can pester board/BIOS vendors with. Non-booting kernels is 
something _we_ get pestered with ;-)

	Ingo
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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)