[Bug 1176159] Re: [Lucid] Backport generic detection of Xen kernels for EC2

[Scott Moser]

Stefan,
  Is there a reason to do this differently than in raring?
  Basically, in raring we just added something like this:
+       *-generic)
+         # Starting with 12.10, -virtual was merged into -generic
+         dpkg --compare-versions ${ver_flavor%-generic} ge 3.4.0-3 && return 0;;

to the is_xen code.

That code is dumber (and less flexible) than it could be by design.
Originally, the list of "xen kernels" was created based on presense of
CONFIG_XEN_PRIVILEGED_GUEST=y in the boot config.

However, there were kernels (the -server in lucid, for example) that had
that setting, but did not actually support booting on EC2.

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Title:
  [Lucid] Backport generic detection of Xen kernels for EC2

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