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clockevents: Serialize calls to clockevents_update_freq() in the core
We can identify the broadcast device in the core and serialize all callers including interrupts on a different CPU against the update. Also, disabling interrupts is moved into the core allowing callers to leave interrutps enabled when calling clockevents_update_freq(). Signed-off-by: Soren Brinkmann <[email protected]> Cc: [email protected] Cc: Soeren Brinkmann <[email protected]> Cc: Daniel Lezcano <[email protected]> Cc: Michal Simek <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]>
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