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Explore the challenges associated with using Netlink for thermal kernel-user notifications in this informative conference talk. Delve into the two notify protocols employed in the thermal subsystem: NETLINK_GENERIC and NETLINK_KOBJECT_UEVENT. Discover why both protocols can be problematic, particularly in scenarios with numerous thermal zones or during event storms. Learn about the potential consequences, including system freezes and increased dynamic memory footprint. Gain insights into the speaker's experiments demonstrating how frequent Netlink events can lead to complete system lockups, and consider the implications for thermal management in Linux systems.
