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Re: [Xen-devel] [PATCH 2/2] xen: Drop XEN_DOMCTL_{get, set}_machine_address_size

On 13.08.2019 12:53, Andrew Cooper wrote:
This functionality is obsolete.  It was introduced by c/s 41296317a31 into
Xend, but was never exposed in libxl.

Nothing limits this to PV guests, but it makes no sense for HVM guests.

Looking through the XenServer templates, this was used to work around bugs in
the 32bit RHEL/CentOS 4.7 and 4.8 kernels (fixed in 4.9) and RHEL/CentOS/OEL
5.2 and 5.3 kernels (fixed in 5.4).  RHEL 4 as a major version went out of
support in 2017, whereas the 5.2/5.3 kernels went out of support when 5.4 was
released in 2009.

Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

I find it a little surprising that we've got away without this
being hooked up in libxl. Anyway, x86 hypervisor parts
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>


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