Re: [patches] [PATCH] [21/22] x86_64: Extend bzImage protocol for relocatable bzImage

From: Eric W. Biederman
Date: Sat Apr 28 2007 - 16:48:31 EST


"H. Peter Anvin" <hpa@xxxxxxxxx> writes:

> Eric W. Biederman wrote:
>>
>> The boot protocol change is in 2.6.21 for arch/i386.
>>
>> HPA looked at it a while ago.
>>
>> All it does is set a flag that tells a bootloader.
>> "Hey. I can run when loaded a non-default address, and this is what
>> you have to align me to."
>>
>> All relocation processing happens in the kernel itself.
>>
>> So it is all pretty trivial.
>>
>
> Indeed. We *did* find some problems with Grub with the early versions,
> those were addressed.

We found some failures that weren't root caused so we went to this
more conservative version.

RHEL5 is actually shipping the original version of these patches if I
recall correctly.

Eric
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