Re: 2.6.39.1 immediately reboots/resets on EFI system

[H. Peter Anvin]

On 06/10/2011 05:19 PM, Yinghai Lu wrote:
> On 06/10/2011 05:00 PM, H. Peter Anvin wrote:
>> On 06/10/2011 04:55 PM, Yinghai Lu wrote:
>>>>
>>>> No, it should be, because the boot loader can control the decompress
>>>> position to avoid the problems.
>>>
>>> bootloader could find out decompressed kernel size?
>>>
>>
>> Yes, it's the init_size field in the header.
> 
> good, with relocatable_kernel, kernel_alignment, and init_size in header, bootloader could find right position for kernel.
> 

Yes, and that's the very reason for it... which unfortunately means
kernel address randomization is hard(er) because it means the kernel
wants to second-guess the boot loader again.

	-hpa
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