Re: [PATCH] x86_64: update e820 instead of updating end_pfn

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To: Ingo Molnar <mingo@...>

Cc: Yinghai Lu <Yinghai.Lu@...>, H. Peter Anvin <hpa@...>, LKML <linux-kernel@...>, Jesse Barnes <jesse.barnes@...>, Andrew Morton <akpm@...>

Subject: Re: [PATCH] x86_64: update e820 instead of updating end_pfn

Date: Sunday, January 20, 2008 - 11:08 am

On Sunday 20 January 2008 10:20:27 Ingo Molnar wrote:
quoted text> * Yinghai Lu <Yinghai.Lu@Sun.COM> wrote:
> > [PATCH] x86_64: update e820 instead of updating end_pfn
> >
> > when mtrr is not covering all e820 table, need to trim the ram, need
> > to update e820
>
> ok, i like this approach even more - applied. Would you like to have a
> shot at adding mtrr_trim_uncached_memory() to 32-bit too? It is affected
> by the same problem (if not more).

What about the AMD fix I posted? You ignored that one for now but it is far 
more critical because it makes these patches break any modern AMD machine
with >3GB.

-Andi


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Messages in current thread:

[PATCH] x86: disable_mtrr_trim only need for x86_64, Yinghai Lu, (Sun Jan 20, 12:45 am)

Re: [PATCH] x86: disable_mtrr_trim only need for x86_64, H. Peter Anvin, (Sun Jan 20, 1:37 am)

Re: [PATCH] x86: disable_mtrr_trim only need for x86_64, Yinghai Lu, (Sun Jan 20, 2:55 am)

[PATCH] x86_64: update e820 instead of updating end_pfn, Yinghai Lu, (Sun Jan 20, 4:17 am)

Re: [PATCH] x86_64: update e820 instead of updating end_pfn, Ingo Molnar, (Sun Jan 20, 5:20 am)

Re: [PATCH] x86_64: update e820 instead of updating end_pfn, Yinghai Lu, (Sun Jan 20, 8:00 pm)

Re: [PATCH] x86_64: update e820 instead of updating end_pfn, Andi Kleen, (Sun Jan 20, 11:08 am)

[PATCH] x86_64: update e820 instead of updating end_pfn v2, Yinghai Lu, (Mon Jan 21, 1:40 am)

Re: [PATCH] x86_64: update e820 instead of updating end_pfn v2, Andi Kleen, (Mon Jan 21, 1:58 am)

[PATCH] x86_64: check if Tom2 is enabled, Yinghai Lu, (Mon Jan 21, 2:57 am)

Re: [PATCH] x86_64: check if Tom2 is enabled, Cyrill Gorcunov, (Mon Jan 21, 1:24 pm)

Re: [PATCH] x86_64: check if Tom2 is enabled, Andi Kleen, (Mon Jan 21, 2:03 pm)

Re: [PATCH] x86_64: check if Tom2 is enabled, Cyrill Gorcunov, (Mon Jan 21, 2:09 pm)

Re: [PATCH] x86_64: check if Tom2 is enabled, H. Peter Anvin, (Mon Jan 21, 2:15 pm)

Re: [PATCH] x86_64: check if Tom2 is enabled, Andi Kleen, (Mon Jan 21, 2:46 pm)

Re: [PATCH] x86_64: check if Tom2 is enabled, H. Peter Anvin, (Mon Jan 21, 1:39 pm)

Re: [PATCH] x86_64: check if Tom2 is enabled, Cyrill Gorcunov, (Mon Jan 21, 1:49 pm)

Re: [PATCH] x86_64: update e820 instead of updating end_pfn v2, Harvey Harrison, (Mon Jan 21, 2:05 am)

Re: [PATCH] x86_64: update e820 instead of updating end_pfn v2, Andi Kleen, (Mon Jan 21, 2:08 am)

Re: [PATCH] x86_64: update e820 instead of updating end_pfn v2, Li Zefan, (Mon Jan 21, 2:14 am)

[PATCH] x86_32: trim memory by updating e820, Yinghai Lu, (Mon Jan 21, 1:44 am)


linux-kernel:
Ingo Molnar	Re: containers (was Re: -mm merge plans for 2.6.23)
Greg Kroah-Hartman	[PATCH 009/196] Chinese: add translation of sparse.txt
holzheu	Re: [RFC/PATCH] Documentation of kernel messages
Vladislav Bolkhovitin	Re: Integration of SCST in the mainstream Linux kernel
git:

linux-netdev:
Jarek Poplawski	[PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
Gerrit Renker	[PATCH 27/37] dccp: Integration of dynamic feature activation - part 2 (server side)
David Miller	[GIT]: Networking
Antonio Almeida	HTB accuracy for high speed
openbsd-misc:

Re: [PATCH] x86_64: update e820 instead of updating end_pfn

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