timekeeping: Prepare timekeeping_cycles_to_ns() for overflow safety

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Open code clocksource_delta() in timekeeping_cycles_to_ns() so that
overflow safety can be added efficiently.

Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240325064023.2997-17-adrian.hunter@intel.com

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Adrian Hunter 2024-03-25 08:40:20 +02:00 • committed by Thomas Gleixner

parent 3094c6db1c

commit e809a80aa0

1 changed files with 11 additions and 1 deletions

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kernel/time/timekeeping.c

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