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

[Jan Beulich <jbeulich@xxxxxxxx>]

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 This functionality is obsolete.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>

Jan

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