itimers: Use quick sample function

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get_itimer() locks sighand lock and checks whether the timer is already
expired. If it is not expired then the thread group cputime accounting is
already enabled. Use the sampling function not the one which is meant for
starting a timer.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Link: https://lkml.kernel.org/r/20190821192919.689713638@linutronix.de

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Thomas Gleixner 2019-08-21 21:08:52 +02:00

parent 19298fbf45

commit a34360d424

1 changed files with 1 additions and 1 deletions

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kernel/time/itimer.c

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