doc: update Kconfig related doc
Replace Kconfig related scheduler configuration with scenario XML
file configuration in tutorials because the Kconfig related files
have been removed in the other PR 6358.
@@ -128,26 +128,11 @@ and BVT (Borrowed Virtual Time) scheduler.
Scheduler configuration
+* The scheduler used at runtime is defined in the scenario XML file
+ via the :option:`hv.FEATURES.SCHEDULER` option. The default scheduler
+ is **SCHED_BVT**. Use the :ref:`ACRN configuration tool <acrn_configuration_tool>`
+ if you want to change this scenario option value.
-* The option in Kconfig decides the only scheduler used in runtime.
- ``hypervisor/arch/x86/Kconfig``
-
-.. code-block:: none
-
- choice
- prompt "ACRN Scheduler"
- default SCHED_BVT
- help
- Select the CPU scheduler to be used by the hypervisor
-
- config SCHED_BVT
- bool "BVT scheduler"
- help
- BVT (Borrowed Virtual time) is virtual time based scheduling algorithm. It
- dispatches the runnable thread with the earliest effective virtual time.
- TODO: BVT scheduler will be built on top of prioritized scheduling mechanism,
- i.e. higher priority threads get scheduled first, and same priority tasks are
- scheduled per BVT.
The default scheduler is **SCHED_BVT**.
