diff options
| author | Juri Lelli <juri.lelli@redhat.com> | 2025-03-13 20:03:32 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-03-17 13:23:41 +0300 |
| commit | 56209334dda1832c0a919e1d74768c6d0f3b2ca9 (patch) | |
| tree | 63482f57dfa0b9fe04fb4669cc1bc4dc8943df28 /kernel/sched/topology.c | |
| parent | f6147af176eaa4027b692fdbb1a0a60dfaa1e9b6 (diff) | |
| download | linux-56209334dda1832c0a919e1d74768c6d0f3b2ca9.tar.xz | |
sched/topology: Wrappers for sched_domains_mutex
Create wrappers for sched_domains_mutex so that it can transparently be
used on both CONFIG_SMP and !CONFIG_SMP, as some function will need to
do.
Fixes: 53916d5fd3c0 ("sched/deadline: Check bandwidth overflow earlier for hotplug")
Reported-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Juri Lelli <juri.lelli@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Valentin Schneider <vschneid@redhat.com>
Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Tested-by: Waiman Long <longman@redhat.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Link: https://lore.kernel.org/r/Z9MP5Oq9RB8jBs3y@jlelli-thinkpadt14gen4.remote.csb
Diffstat (limited to 'kernel/sched/topology.c')
| -rw-r--r-- | kernel/sched/topology.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c index c49aea8c1025..296ff2acfd32 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -6,6 +6,14 @@ #include <linux/bsearch.h> DEFINE_MUTEX(sched_domains_mutex); +void sched_domains_mutex_lock(void) +{ + mutex_lock(&sched_domains_mutex); +} +void sched_domains_mutex_unlock(void) +{ + mutex_unlock(&sched_domains_mutex); +} /* Protected by sched_domains_mutex: */ static cpumask_var_t sched_domains_tmpmask; @@ -2791,7 +2799,7 @@ match3: void partition_sched_domains(int ndoms_new, cpumask_var_t doms_new[], struct sched_domain_attr *dattr_new) { - mutex_lock(&sched_domains_mutex); + sched_domains_mutex_lock(); partition_sched_domains_locked(ndoms_new, doms_new, dattr_new); - mutex_unlock(&sched_domains_mutex); + sched_domains_mutex_unlock(); } |