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Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI basic runtime service support

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From: Andi Kleen <ak@...>
To: Thomas Gleixner <tglx@...>
Cc: Huang, Ying <ying.huang@...>, Andrew Morton <akpm@...>, H. Peter Anvin <hpa@...>, Ingo Molnar <mingo@...>, Eric W. Biederman <ebiederm@...>, Chandramouli Narayanan <mouli@...>, LKML <linux-kernel@...>, Arjan van de Ven <arjan@...>
Subject: Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI basic runtime service support
Date: Friday, October 26, 2007 - 7:37 am

> I still do not understand why we need all this EFI hackery at all

Battery backed up RAM not Flash. The layout of that RAM is BIOS dependent so 
we need some BIOS support for change it. Essentially it's a way to put 
something into the BIOS event log.

-Andi
-
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Messages in current thread:
[PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI basi..., Huang, Ying, (Thu Oct 25, 2:57 am)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Eric W. Biederman, (Thu Oct 25, 1:01 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Huang, Ying, (Thu Oct 25, 9:17 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Thomas Gleixner, (Thu Oct 25, 12:09 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Huang, Ying, (Thu Oct 25, 11:36 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., H. Peter Anvin, (Fri Oct 26, 12:11 am)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Huang, Ying, (Thu Oct 25, 9:03 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Alan Cox, (Fri Oct 26, 7:31 am)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Huang, Ying, (Sun Oct 28, 9:05 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., H. Peter Anvin, (Fri Oct 26, 1:00 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Thomas Gleixner, (Fri Oct 26, 4:48 am)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Andi Kleen, (Fri Oct 26, 7:37 am)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Huang, Ying, (Fri Oct 26, 5:30 am)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Thomas Gleixner, (Fri Oct 26, 6:20 am)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Eric W. Biederman, (Thu Oct 25, 12:55 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Andi Kleen, (Thu Oct 25, 1:06 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., H. Peter Anvin, (Thu Oct 25, 1:08 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Eric W. Biederman, (Thu Oct 25, 1:30 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Huang, Ying, (Thu Oct 25, 10:12 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Arjan van de Ven, (Thu Oct 25, 12:56 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., H. Peter Anvin, (Thu Oct 25, 1:05 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Eric W. Biederman, (Thu Oct 25, 1:39 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., H. Peter Anvin, (Thu Oct 25, 1:51 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Eric W. Biederman, (Thu Oct 25, 2:04 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., H. Peter Anvin, (Thu Oct 25, 4:36 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Huang, Ying, (Thu Oct 25, 10:14 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Eric W. Biederman, (Thu Oct 25, 6:20 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., H. Peter Anvin, (Thu Oct 25, 6:29 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Huang, Ying, (Thu Oct 25, 10:31 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Eric W. Biederman, (Thu Oct 25, 1:06 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., Huang, Ying, (Thu Oct 25, 9:28 pm)
Re: [PATCH 1/3 -v4] x86_64 EFI runtime service support: EFI ..., H. Peter Anvin, (Thu Oct 25, 12:28 pm)