diff options
Diffstat (limited to 'doc/source')
| -rw-r--r-- | doc/source/user/flavors.rst | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/doc/source/user/flavors.rst b/doc/source/user/flavors.rst index 5d964493c6..30704be4a0 100644 --- a/doc/source/user/flavors.rst +++ b/doc/source/user/flavors.rst @@ -625,9 +625,11 @@ CPU real-time policy - ``yes``: The guest vCPUs will have a real-time policy CPU-REALTIME-MASK (coremask): - A coremask indicating which vCPUs **will not** have a real-time policy. This - should start with a ``^``. For example, a value of ``^0-1`` indicates that - all vCPUs *except* vCPUs ``0`` and ``1`` will have a real-time policy. + A coremask indicating which vCPUs **will** or, if starting with a ``^``, + **will not** have a real-time policy. For example, a value of ``0-5`` + indicates that vCPUs ``0`` to ``5`` will have a real-time policy. + Conversely, a value of ``^0-1`` indicates that all vCPUs *except* vCPUs + ``0`` and ``1`` will have a real-time policy. .. note:: @@ -641,6 +643,12 @@ CPU real-time policy to omit this when an emulator thread policy is configured using the ``hw:emulator_threads_policy`` extra spec. + .. versionchanged:: 22.0.0 (Victoria) + + Previously, the leading carat was necessary and omitting it would be + equivalent to not setting the mask, resulting in a failure to spawn + the instance. + .. _extra-specs-emulator-threads-policy: Emulator threads policy |