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[Xen-devel] [ANNOUNCE] Xen x86 32-bit hypervisor end of life after 4.2

  • To: <xen-devel@xxxxxxxxxxxxx>
  • From: Keir Fraser <keir.xen@xxxxxxxxx>
  • Date: Sun, 09 Sep 2012 12:11:31 +0100
  • Delivery-date: Sun, 09 Sep 2012 11:12:20 +0000
  • List-id: Xen developer discussion <xen-devel.lists.xen.org>
  • Thread-index: Ac2Oe91j9M1uXMmVDU+bWl7qtvqJWA==
  • Thread-topic: [ANNOUNCE] Xen x86 32-bit hypervisor end of life after 4.2


With 64-bit support well established in the x86 world these days, the number
of x86 production environments that cannot run a 64-bit hypervisor is pretty
much nil. Maintaining the 32-bit x86 port, and implementing new features for
it, is an ongoing development burden which could be more usefully directed
elsewhere. Therefore, 32-bit x86 will be considered obsolete in the 4.3
development branch, and removed.

32-bit x86 will continue to be maintained and supported (insofar as it has
been recently) in the supported stable branches: 3.4, 4.1, and 4.2.

Furthermore, 32-bit guests (including 32-bit PV guests) will continue to be
supported on the 64-bit hypervisor, as they always have been.

 Keir & The Xen Team

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