diff options
| author | Juri Lelli <juri.lelli@redhat.com> | 2025-03-13 18:03:32 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2025-03-17 11:23:41 +0100 |
| commit | 56209334dda1832c0a919e1d74768c6d0f3b2ca9 (patch) | |
| tree | 63482f57dfa0b9fe04fb4669cc1bc4dc8943df28 /kernel/sched/debug.c | |
| parent | sched/deadline: Ignore special tasks when rebuilding domains (diff) | |
| download | linux-56209334dda1832c0a919e1d74768c6d0f3b2ca9.tar.gz linux-56209334dda1832c0a919e1d74768c6d0f3b2ca9.zip | |
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/debug.c')
| -rw-r--r-- | kernel/sched/debug.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 39be73969d28..56ae54e0ce6a 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -294,7 +294,7 @@ static ssize_t sched_verbose_write(struct file *filp, const char __user *ubuf, bool orig; cpus_read_lock(); - mutex_lock(&sched_domains_mutex); + sched_domains_mutex_lock(); orig = sched_debug_verbose; result = debugfs_write_file_bool(filp, ubuf, cnt, ppos); @@ -306,7 +306,7 @@ static ssize_t sched_verbose_write(struct file *filp, const char __user *ubuf, sd_dentry = NULL; } - mutex_unlock(&sched_domains_mutex); + sched_domains_mutex_unlock(); cpus_read_unlock(); return result; @@ -517,9 +517,9 @@ static __init int sched_init_debug(void) debugfs_create_u32("migration_cost_ns", 0644, debugfs_sched, &sysctl_sched_migration_cost); debugfs_create_u32("nr_migrate", 0644, debugfs_sched, &sysctl_sched_nr_migrate); - mutex_lock(&sched_domains_mutex); + sched_domains_mutex_lock(); update_sched_domain_debugfs(); - mutex_unlock(&sched_domains_mutex); + sched_domains_mutex_unlock(); #endif #ifdef CONFIG_NUMA_BALANCING |