Re: [Xen-devel] Backport request

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 13.01.14 at 10:49, Andrew Cooper <andrew.cooper3@xxxxxxxxxx> wrote:
> Can you please backport c/s 0896bd8bea84526b00e00d2d076f4f953a3d73cb
> "x86: map portion of kexec crash area that is within the direct map
> area" to staging-4.3 ASAP, as following the backport of
> 8d611a00d3389d9c16506326e24145b94ac6fb86 "kexec/x86: do not map crash
> kernel area", kexec loading is broken in exactly the same way as it was
> in staging.

Not without explaining how it is broken: According to my own
checking as well as Daniel's there was no need for the kexec area
to be mapped at all in the old implementation.

Furthermore, I'd prefer to revert 8d611a00 (dff90d0c on 4.2)
instead if there really is an issue. That's largely because, as
noted in the extra comment I added to 0896bd8b, the change is
still incomplete (and hence not much better than the code with
Daniel's change reverted).

Jan


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