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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

kernel/sched/build_policy.c __dl_server_attach_bw_locked() -> __dl_overflow()

Type Parameter Key Value
PARAM_VALUE 0 dl_b 4096-ptr_max
PARAM_VALUE 2 old_bw 0
BUF_SIZE 0 dl_b 88
DATA_SOURCE 0 dl_b $1
DATA_SOURCE 1 cap r dl_bw_capacity
PREEMPT_ADD

kernel/sched/build_policy.c dl_bw_manage() -> __dl_overflow()

Type Parameter Key Value
PARAM_VALUE 0 dl_b 4096-ptr_max
PARAM_VALUE 2 old_bw 0
PARAM_VALUE 3 new_bw 1-u64max
BUF_SIZE 0 dl_b 88
DATA_SOURCE 0 dl_b r dl_bw_of
DATA_SOURCE 1 cap r dl_bw_capacity
DATA_SOURCE 3 new_bw $2
PREEMPT_ADD <- disables preempt
RX_PATH
LOCK2 flags
LOCK2 rcu_read
LOCK2 0 &dl_b->lock
TYPE_LOCK (struct dl_bw)->lock

kernel/sched/build_policy.c dl_bw_manage() -> __dl_overflow()

Type Parameter Key Value
PARAM_VALUE 0 dl_b 4096-ptr_max
PARAM_VALUE 3 new_bw 0
BUF_SIZE 0 dl_b 88
DATA_SOURCE 0 dl_b r dl_bw_of
DATA_SOURCE 2 old_bw r dl_server_read_bw
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 flags
LOCK2 rcu_read
LOCK2 0 &dl_b->lock
HALF_LOCKED2 global &cpuhp_state_mutex
HALF_LOCKED2 irq
TYPE_LOCK (struct dl_bw)->lock

kernel/sched/build_policy.c dl_cpuset_cpumask_can_shrink() -> __dl_overflow()

Type Parameter Key Value
PARAM_VALUE 0 dl_b 4096-ptr_max
PARAM_VALUE 2 old_bw 0
PARAM_VALUE 3 new_bw 0
BUF_SIZE 0 dl_b 88
DATA_SOURCE 0 dl_b r dl_bw_of
DATA_SOURCE 1 cap r __dl_bw_capacity
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 flags
LOCK2 rcu_read
LOCK2 0 &dl_b->lock
HALF_LOCKED2 &of->mutex
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 global &cpuset_mutex
HALF_LOCKED2 global &cpuset_top_mutex
TYPE_LOCK (struct dl_bw)->lock

kernel/sched/build_policy.c dl_server_apply_params() -> __dl_overflow()

Type Parameter Key Value
PARAM_VALUE 0 dl_b 4096-ptr_max
PARAM_VALUE 2 old_bw 0-18446744073707454464
PARAM_VALUE 3 new_bw 0-18446744073707454464
BUF_SIZE 0 dl_b 88
DATA_SOURCE 0 dl_b r dl_bw_of
DATA_SOURCE 1 cap r dl_bw_capacity
DATA_SOURCE 3 new_bw r to_ratio
FUZZY_MAX 2 old_bw 0
PREEMPT_ADD <- disables preempt
USER_DATA 3 new_bw 0-18446744073707454464
LOCK2 _T->lock
LOCK2 0 &dl_b->lock
HALF_LOCKED2 _T->rf.flags
HALF_LOCKED2 irq
TYPE_LOCK (struct dl_bw)->lock

kernel/sched/build_policy.c sched_dl_overflow() -> __dl_overflow()

Type Parameter Key Value
PARAM_VALUE 0 dl_b 4096-ptr_max
PARAM_VALUE 2 old_bw 0
PARAM_VALUE 3 new_bw 0-18446744073707454464
BUF_SIZE 0 dl_b 88
CAPPED_DATA 3 new_bw 1
CAPPED_DATA 3 new_bw 1
DATA_SOURCE 0 dl_b r dl_bw_of
DATA_SOURCE 1 cap r dl_bw_capacity
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
USER_DATA 3 new_bw 0-18446744073707454464[c]
LOCK2 0 &dl_b->lock
HALF_LOCKED2 global &cpuset_mutex
HALF_LOCKED2 global &tasklist_lock
HALF_LOCKED2 rcu_read
TYPE_LOCK (struct dl_bw)->lock

kernel/sched/build_policy.c sched_dl_overflow() -> __dl_overflow()

Type Parameter Key Value
PARAM_VALUE 0 dl_b 4096-ptr_max
PARAM_VALUE 3 new_bw 0-18446744073707454464
BUF_SIZE 0 dl_b 88
CAPPED_DATA 3 new_bw 1
CAPPED_DATA 3 new_bw 1
DATA_SOURCE 0 dl_b r dl_bw_of
DATA_SOURCE 1 cap r dl_bw_capacity
PARAM_COMPARE 2 old_bw != $3
PARAM_COMPARE 3 new_bw != $2
PARAM_COMPARE 3 new_bw != $2
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
USER_DATA 3 new_bw 0-18446744073707454464[c]
LOCK2 0 &dl_b->lock
HALF_LOCKED2 global &cpuset_mutex
HALF_LOCKED2 global &tasklist_lock
HALF_LOCKED2 rcu_read
TYPE_LOCK (struct dl_bw)->lock