Re: [Xen-devel] [RFC] x86/boot: Don't use BDA value if it's suspiciously small

[Sylvain Munaut <s.munaut@xxxxxxxxxxxxxxxxxxxx>]

> I'm not sure. I'd like to see the current logic altered as little as
> possible, and what you suggest above is more than that minimum.

Then, that would be more like the very first patch I posted but just
change the 0x1000 low limit to 0x4000.


> So another question: Can you
> detect whether we get booted from Linux (i.e. do they provide
> any kind of identification anywhere)?

The multiboot info struct has the boot loader name optional field and
kexec does fill it with "kexec x.y.z".


Cheers,

    Sylvain

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