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(parent: 9b1b234) | patch
sched/deadline: Optimize dl_bw_cpus()
authorDietmar Eggemann <dietmar.eggemann@arm.com>
Wed, 20 May 2020 13:42:39 +0000 (15:42 +0200)
committerPeter Zijlstra <peterz@infradead.org>
Mon, 15 Jun 2020 12:10:04 +0000 (14:10 +0200)
commitc81b89329933c6c0be809d4c0d2cb57c49153ee3
tree61e691ce0cd1a84035ecb5f7cf64fba8457a5c72tree | snapshot
parent9b1b234bb86bcdcdb142e900d39b599185465dbbcommit | diff
sched/deadline: Optimize dl_bw_cpus()

Return the weight of the root domain (rd) span in case it is a subset
of the cpu_active_mask.

Continue to compute the number of CPUs over rd span and cpu_active_mask
when in hotplug.

Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Juri Lelli <juri.lelli@redhat.com>
Link: https://lkml.kernel.org/r/20200520134243.19352-2-dietmar.eggemann@arm.com
kernel/sched/deadline.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git