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doc: release notes 2.6: Add notes for Task Watchdog

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This new subsystem was introduced in 2.6 for the first time.

Signed-off-by: Martin Jäger <martin@libre.solar>
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Martin Jäger 2021-05-20 08:19:49 +02:00 • committed by Kumar Gala
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doc/releases/release-notes-2.6.rst
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@ -674,6 +674,15 @@ Libraries / Subsystems
* Storage
* Task Watchdog
* This new subsystem was added with this release and allows supervision of
individual threads. It is based on a regularly updated kernel timer,
whose ISR is never actually called in regular system operation.
An existing hardware watchdog can be used as an optional fallback if the
task watchdog itself gets stuck.
* Tracing
* ``CONFIG_TRACING_CPU_STATS`` was removed in favor of