Re: [Xen-devel] kexec woes with 32-bit secondary kernel

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Jan Beulich writes ("[Xen-devel] kexec woes with 32-bit secondary kernel"):
> The question really is whether this code has ever been tested
> with sufficiently recent kernels in all three variants (32->32, 64->64,
> and 64->32).

I don't think it gets much testing.

> While it seems that putting together a patch to address this
> shouldn't be that difficult, a second question is how we can avoid
> getting into the same situation again when Linux extends the
> protocol again.

How is one Linux kernel supposed to safely kexec another, potentially
different-version, Linux kernel ?  We should use whatever mechanism
Linux upstream use.

Now you're going to tell me that Linux upstream haven't provided a way
for that to work properly :-/

Ian.

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