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From: "H. Peter Anvin" <hpa@zytor.com>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Edgar Hucek <hostmaster@ed-soft.at>,
	LKML <linux-kernel@vger.kernel.org>,
	akpm@osdl.org
Subject: Re: [PATCH 1/1] Fix boot on efi 32 bit Machines [try #4]
Date: Wed, 28 Jun 2006 15:37:53 -0700
Message-ID: <44A304C1.2050304@zytor.com> (raw)
In-Reply-To: <Pine.LNX.4.64.0606262318341.3927@g5.osdl.org>

Linus Torvalds wrote:
> 
> On Tue, 27 Jun 2006, Edgar Hucek wrote:
>> So what is your suggestion to get the working funktionality
>> from kernel 2.6.16 back ? 2.6.17 have broken it.
> 
> I'd really suggest just filling in the e820 table from the EFI information 
> early at boot.
> 
> (Even better would be for the EFI bootloader on x86 to just fill things in 
> _as_if_ it was filling in e820 data, but that's outside of the kernel, so 
> if you want the _kernel_ to be able to handle native EFI data, do it by 
> just translating it once into e820 mode, and you're done).
> 
> The translation from EFI to e820 format should be very straightforward 
> indeed. I think it's pretty much the same thing with different naming.
> 

You probably don't want to put it in the bootloader.  The kernel is 
easier to upgrade than the bootloader, which is easier to upgrade than 
the firmware, so it makes more sense for the kernel to be as 
self-sufficient as is possible, or at least practical.

	-hpa


  reply index

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-06-26 21:19 Edgar Hucek
2006-06-26 21:33 ` Linus Torvalds
2006-06-27  6:15   ` Edgar Hucek
2006-06-27  6:20     ` Linus Torvalds
2006-06-28 22:37       ` H. Peter Anvin [this message]
2006-07-02 17:39         ` Eric W. Biederman
2006-07-02 17:42           ` H. Peter Anvin
2006-07-02 18:26             ` Eric W. Biederman
2006-07-02 18:46               ` Arjan van de Ven
2006-07-05  9:38               ` Edgar Hucek
2006-07-05 15:52                 ` Eric W. Biederman
2006-07-13 21:46                   ` Edgar Hucek
2006-07-13 22:15                     ` Linus Torvalds
2006-07-14  4:23                       ` Eric W. Biederman
2006-07-14  6:22                         ` H. Peter Anvin
2006-07-14  6:20                       ` Edgar Hucek
2006-07-14 16:09                         ` Linus Torvalds
2006-07-16  8:55                           ` [PATCH 1/1] Add efi e820 memory mapping on x86 [try #1] Edgar Hucek
2006-07-25  4:29                             ` Andrew Morton
2006-07-25  5:17                               ` Eric W. Biederman
2006-07-25  5:32                               ` Linus Torvalds
2006-07-25  5:34                                 ` H. Peter Anvin
2006-07-25  5:44                                   ` Linus Torvalds
2006-07-25  6:26                                     ` H. Peter Anvin
2006-07-25  6:00                                 ` Linus Torvalds
2006-07-16  9:00                           ` [PATCH 1/1] Add force of use MMCONFIG " Edgar Hucek
2006-07-25  4:33                             ` Andrew Morton
2006-07-25  5:27                               ` Linus Torvalds
2006-07-26 15:05                                 ` Andi Kleen
2006-06-26 22:22 [PATCH 1/1] Fix boot on efi 32 bit Machines [try #4] Thomas Meyer
2006-07-14 13:57 Chuck Ebbert
2006-07-14 14:45 ` Edgar Hucek
2006-07-14 19:28 ` Edgar Hucek
2006-07-16 12:09 Thomas Meyer

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