On Wed, Jan 24, 2018 at 03:18:48PM +0100, Marek Marczykowski-Górecki wrote:
> Allow updating those two adjacent 32bit fields with one 64bit write.
> This fixes qemu crash when booting Xen inside.
>
> See discussion on Xen side of the thing here:
> http://xen.markmail.org/message/6mrmemrnmhxvaxba

Xen code is wrong, see:

https://marc.info/?l=xen-devel&m=150511273303712

Roger.

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