diff options
Diffstat (limited to 'include/linux/sched/ext.h')
| -rw-r--r-- | include/linux/sched/ext.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/sched/ext.h b/include/linux/sched/ext.h index 7047101dbf58..d82b7a9b0658 100644 --- a/include/linux/sched/ext.h +++ b/include/linux/sched/ext.h @@ -108,7 +108,11 @@ enum scx_kf_mask { SCX_KF_UNLOCKED = 0, /* sleepable and not rq locked */ /* ENQUEUE and DISPATCH may be nested inside CPU_RELEASE */ SCX_KF_CPU_RELEASE = 1 << 0, /* ops.cpu_release() */ - /* ops.dequeue (in REST) may be nested inside DISPATCH */ + /* + * ops.dispatch() may release rq lock temporarily and thus ENQUEUE and + * SELECT_CPU may be nested inside. ops.dequeue (in REST) may also be + * nested inside DISPATCH. + */ SCX_KF_DISPATCH = 1 << 1, /* ops.dispatch() */ SCX_KF_ENQUEUE = 1 << 2, /* ops.enqueue() and ops.select_cpu() */ SCX_KF_SELECT_CPU = 1 << 3, /* ops.select_cpu() */ |