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[PATCH v4 0/2] introduce UNSUPPORTED

Hi all,

A recent thread [1] has exposed a couple of issues with our current way
of handling EXPERT.

1) It is not obvious that "Configure standard Xen features (expert
users)" is actually the famous EXPERT we keep talking about on xen-devel

2) It is not obvious when we need to enable EXPERT to get a specific

In particular if you want to enable ACPI support so that you can boot
Xen on an ACPI platform, you have to enable EXPERT first. But searching
through the kconfig menu it is really not clear (type '/' and "ACPI"):
nothing in the description tells you that you need to enable EXPERT to
get the option.

This series makes things easier by doing the following:

- introduce a new kconfig option UNSUPPORTED which is clearly to enable
  UNSUPPORTED features as defined by SUPPORT.md

- change EXPERT options to UNSUPPORTED where it makes sense: keep
  depending on EXPERT for features made for experts

- tag unsupported features by adding (UNSUPPORTED) to the one-line

- clarify the EXPERT one-line description

[1] https://marc.info/?l=xen-devel&m=160333101228981



Stefano Stabellini (2):
      xen: EXPERT clean-up and introduce UNSUPPORTED
      xen: add (EXPERT) to one-line descriptions when appropriate

 xen/Kconfig              | 11 ++++++++++-
 xen/arch/arm/Kconfig     | 10 +++++-----
 xen/arch/x86/Kconfig     |  8 ++++----
 xen/common/Kconfig       | 14 +++++++-------
 xen/common/sched/Kconfig |  8 ++++----
 5 files changed, 30 insertions(+), 21 deletions(-)



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