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genirq/affinity: Move group_cpus_evenly() into lib/

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[ Upstream commit f7b3ea8cf7 ]

group_cpus_evenly() has become a generic function which can be used for
other subsystems than the interrupt subsystem, so move it into lib/.

Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Link: https://lore.kernel.org/r/20221227022905.352674-6-ming.lei@redhat.com
Stable-dep-of: 0263f92fadbb ("lib/group_cpus.c: avoid acquiring cpu hotplug lock in group_cpus_evenly")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ming Lei
2022-12-27 10:29:04 +08:00
committed by Greg Kroah-Hartman
parent 617ba3735d
commit f33b27f5c3
5 changed files with 446 additions and 397 deletions
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14
include/linux/group_cpus.h Normal file
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2016 Thomas Gleixner.
* Copyright (C) 2016-2017 Christoph Hellwig.
*/
#ifndef __LINUX_GROUP_CPUS_H
#define __LINUX_GROUP_CPUS_H
#include <linux/kernel.h>
#include <linux/cpu.h>
struct cpumask *group_cpus_evenly(unsigned int numgrps);
#endif