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authorFrederic Weisbecker <[email protected]>2017-05-15 14:56:50 +0200
committerIngo Molnar <[email protected]>2017-05-30 18:35:32 +0200
commit7c25904508afef134d7a9d2ad1690ee6554a1faa (patch)
treed47750e02e4db44c1db625413e96ec4c6a1c05e1 /tools/perf/scripts/python/call-graph-from-postgresql.py
parent411fe24e6b7c283c3a1911450cdba6dd3aaea56e (diff)
nohz: Reset next_tick cache even when the timer has no regs
Handle tick interrupts whose regs are NULL, out of general paranoia. It happens when hrtimer_interrupt() is called from non-interrupt contexts, such as hotplug CPU down events. Signed-off-by: Frederic Weisbecker <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: [email protected] Signed-off-by: Ingo Molnar <[email protected]>
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