x86/percpu, sched/fair: Avoid local_clock()

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Nadav reported that code-gen changed because of the this_cpu_*()
constraints, avoid this for select_idle_cpu() because that runs with
preemption (and IRQs) disabled anyway.

Reported-by: Nadav Amit <nadav.amit@gmail.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

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Peter Zijlstra 2019-02-27 10:27:58 +01:00 • committed by Ingo Molnar

parent 602447f954

commit 8dc2d993cf

1 changed files with 3 additions and 2 deletions

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kernel/sched/fair.c

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