Re: [PATCH 0/2] sched: Address idle task vs pcpu kthread checks

From: Peter Zijlstra
Date: Wed May 12 2021 - 07:00:51 EST


On Mon, May 10, 2021 at 04:10:22PM +0100, Valentin Schneider wrote:
> Note: I remember seeing some patch(es) from Peter tackling this exact
> problem, but I couldn't find them again.

Found it (by accident), yours is nicer though :-)

> Valentin Schneider (1):
> sched: Make the idle task quack like a per-CPU kthread
>
> Yejune Deng (1):
> lib/smp_processor_id: Use is_percpu_thread() instead of
> nr_cpus_allowed
>
> include/linux/kthread.h | 2 ++
> kernel/kthread.c | 30 ++++++++++++++++++------------
> kernel/sched/core.c | 21 +++++++++++++++------
> lib/smp_processor_id.c | 6 +-----
> 4 files changed, 36 insertions(+), 23 deletions(-)

Thanks!