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