tick: Mark tick related hrtimers to expiry in hard interrupt context

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The tick related hrtimers, which drive the scheduler tick and hrtimer based
broadcasting are required to expire in hard interrupt context for obvious
reasons.

Mark them so PREEMPT_RT kernels wont move them to soft interrupt expiry.

Make the horribly formatted RCU_NONIDLE bracket maze readable while at it.

No functional change, 

[ tglx: Split out from larger combo patch. Add changelog ]

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20190726185753.459144407@linutronix.de

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This commit is contained in:

Sebastian Andrzej Siewior 2019-07-26 20:30:56 +02:00 • committed by Thomas Gleixner

parent 2c0d278f32

commit 902a9f9c50

2 changed files with 18 additions and 10 deletions

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13

kernel/time/tick-broadcast-hrtimer.c

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15

kernel/time/tick-sched.c

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