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authorArmin Wolf <W_Armin@gmx.de>2024-02-19 12:59:17 +0100
committerIlpo Järvinen <ilpo.jarvinen@linux.intel.com>2024-02-27 14:44:25 +0200
commit56230bd733f8cb122632c80bc49ae12b1a9365a6 (patch)
tree6ae156d778c101e7583b19a56d8cea59aca64bbe /tools/perf/scripts/python/export-to-postgresql.py
parent125619112deaf5f7d79b05e268254df3af916d10 (diff)
platform/x86: wmi: Always evaluate _WED when receiving an event
The ACPI WMI specification states: "The _WED control method is evaluated by the mapper in response to receiving a notification from a control method." This means that _WED should be evaluated unconditionally even if no WMI event consumers are present. Some firmware implementations actually depend on this behavior by storing the event data inside a queue which will fill up if the WMI core stops retrieving event data items due to no consumers being present Fix this by always evaluating _WED even if no WMI event consumers are present. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Link: https://lore.kernel.org/r/20240219115919.16526-4-W_Armin@gmx.de Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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