[PATCH v2] trace: tracing_event_filter: fast path when no subsystem filters

From: Nicholas Lowell If there are no filters in the event subsystem, then there's no reason to continue and hit the potentially time consuming tracepoint_synchronize_unregister function. This should give a speed up for initial disabling/configuring Signed-off-by: Nicholas Lowell ---

[PATCH] trace: tracing_event_filter: fast path when no subsystem filters

From: Nicholas Lowell If there are no filters in the event subsystem, then there's no reason to continue and hit the potentially time consuming tracepoint_synchronize_unregister function. This should give a speed up for initial disabling/configuring Signed-off-by: Nicholas Lowell --- k

[PATCH] regulator: giving regulator controlling gpios a non-empty label when used through the devicetree.

When the label is empty, it causes missing information and limits diagnostics for instances such as 'cat /sys/kernel/debug/gpio' Setting the label to the regulator supply_name will point to the device using the gpio(s). Signed-off-by: Nicholas Lowell --- drivers/regulator/gpio-regul