linux-kernel - Re: [PATCH v4] sched/core: Preempt current task in favour of bound kthread

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Date:   Thu, 12 Dec 2019 16:15:19 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Cc:     Dave Chinner <david@...morbit.com>, Phil Auld <pauld@...hat.com>,
        Ming Lei <ming.lei@...hat.com>, linux-block@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-xfs@...r.kernel.org,
        linux-kernel@...r.kernel.org, Jeff Moyer <jmoyer@...hat.com>,
        Dave Chinner <dchinner@...hat.com>,
        Eric Sandeen <sandeen@...hat.com>,
        Christoph Hellwig <hch@....de>, Jens Axboe <axboe@...nel.dk>,
        Ingo Molnar <mingo@...hat.com>, Tejun Heo <tj@...nel.org>,
        Vincent Guittot <vincent.guittot@...aro.org>
Subject: Re: [PATCH v4] sched/core: Preempt current task in favour of bound
 kthread

On Thu, Dec 12, 2019 at 08:37:37PM +0530, Srikar Dronamraju wrote:
> * Peter Zijlstra <peterz@...radead.org> [2019-12-12 11:10:31]:
> 
> > 
> > +static struct sched_entity *
> > +__pick_next_entity(struct cfs_rq *cfs_rq, struct sched_entity *curr);
> 
> I think we already have __pick_next_entity in kernel/sched/fair.c

D'oh... yeah, I just wrote stuff, it never actually got near a compiler.