linux-kernel - Re: [PATCH] sched/core: remove get_cpu() from sched

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Message-ID: <20180706131808.GM2494@hirez.programming.kicks-ass.net>
Date:   Fri, 6 Jul 2018 15:18:08 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Cc:     linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH] sched/core: remove get_cpu() from sched_fork()

On Fri, Jul 06, 2018 at 03:06:15PM +0200, Sebastian Andrzej Siewior wrote:
> Based on this it is possible to remove get_cpu() and use
> smp_processor_id() for the `cpu' variable without breaking anything.

Almost.. I think, see init_task_preempt_count().