Re: [Xen-devel] [PATCH] Elf loader fixes

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> Gerd Hoffmann <kraxel@xxxxxxx> 22.02.06 16:12:25 >>>
>Jan Beulich wrote:
>> I'm afraid this won't work for 64-bits, because of the way the vsyscall page 
>> gets set up there. If you dump the
program
>> headers you'll see that the respective segment is at an address close to the 
>> top of the address space, which would
make
>> the image appear to need nearly 2 Gb of memory (making the load fail if 
>> there's less than that available to the
>> domain).
>
>Hmm, who sets up the vsyscall mapping right now?  The linux kernel I
>guess?

Yes.

>The elf kernel loader certainly doesn't look like it cares much
>about virtual address (other than VIRT_BASE) ...

Correct. And the same applies to boot loaders.

Jan

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