Messages in this thread | | | Date | Tue, 18 Feb 2014 19:40:10 +0100 (CET) | From | Thomas Gleixner <> | Subject | Re: [GIT Pull] timer fixes for 3.14 |
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On Tue, 18 Feb 2014, Preeti Murthy wrote:
> Hi Thomas, > > With regard to the patch: "tick: Clear broadcast pending bit when > switching to oneshot" > isn't BROADCAST_EXIT called atleast after initializing the high > resolution timers while > handling the broadcast IPI and before re-entering idle? This should > clear the cpu bit > in the pending mask right? > > idle() > |__BROADCAST_ENTER > |__halt() > |__broadcast_ipi > |__init_highres()->clear oneshot mask > |__return from interrupt->BROADCAST_EXIT (clear pending mask)
Unfortunately not:
if (cpumask_test_and_clear_cpu(cpu, tick_broadcast_oneshot_mask)) { clear pending mask; }
> |__re-enter idle
Go figure :) Thanks,
tglx
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