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-rw-r--r--kernel/bpf/hashtab.c2
-rw-r--r--kernel/bpf/preload/bpf_preload_kern.c1
-rw-r--r--kernel/bpf/syscall.c6
-rw-r--r--kernel/events/core.c4
-rw-r--r--kernel/sched/fair.c4
5 files changed, 8 insertions, 9 deletions
diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c
index 5a5adc66b8e2..92b606d60020 100644
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -2189,7 +2189,7 @@ static long bpf_for_each_hash_elem(struct bpf_map *map, bpf_callback_t callback_
b = &htab->buckets[i];
rcu_read_lock();
head = &b->head;
- hlist_nulls_for_each_entry_rcu(elem, n, head, hash_node) {
+ hlist_nulls_for_each_entry_safe(elem, n, head, hash_node) {
key = elem->key;
if (is_percpu) {
/* current cpu value for percpu map */
diff --git a/kernel/bpf/preload/bpf_preload_kern.c b/kernel/bpf/preload/bpf_preload_kern.c
index 2fdf3c978db1..774e5a538811 100644
--- a/kernel/bpf/preload/bpf_preload_kern.c
+++ b/kernel/bpf/preload/bpf_preload_kern.c
@@ -89,5 +89,6 @@ static void __exit fini(void)
}
late_initcall(load);
module_exit(fini);
+MODULE_IMPORT_NS("BPF_INTERNAL");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Embedded BPF programs for introspection in bpffs");
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 9794446bc8c6..64c3393e8270 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -1583,7 +1583,7 @@ struct bpf_map *bpf_map_get(u32 ufd)
return map;
}
-EXPORT_SYMBOL(bpf_map_get);
+EXPORT_SYMBOL_NS(bpf_map_get, "BPF_INTERNAL");
struct bpf_map *bpf_map_get_with_uref(u32 ufd)
{
@@ -3364,7 +3364,7 @@ struct bpf_link *bpf_link_get_from_fd(u32 ufd)
bpf_link_inc(link);
return link;
}
-EXPORT_SYMBOL(bpf_link_get_from_fd);
+EXPORT_SYMBOL_NS(bpf_link_get_from_fd, "BPF_INTERNAL");
static void bpf_tracing_link_release(struct bpf_link *link)
{
@@ -6020,7 +6020,7 @@ int kern_sys_bpf(int cmd, union bpf_attr *attr, unsigned int size)
return ____bpf_sys_bpf(cmd, attr, size);
}
}
-EXPORT_SYMBOL(kern_sys_bpf);
+EXPORT_SYMBOL_NS(kern_sys_bpf, "BPF_INTERNAL");
static const struct bpf_func_proto bpf_sys_bpf_proto = {
.func = bpf_sys_bpf,
diff --git a/kernel/events/core.c b/kernel/events/core.c
index e93c19565914..95e703891b24 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -3943,7 +3943,7 @@ static int merge_sched_in(struct perf_event *event, void *data)
perf_event_set_state(event, PERF_EVENT_STATE_ERROR);
if (*perf_event_fasync(event))
- event->pending_kill = POLL_HUP;
+ event->pending_kill = POLL_ERR;
perf_event_wakeup(event);
} else {
@@ -6075,7 +6075,7 @@ static __poll_t perf_poll(struct file *file, poll_table *wait)
if (unlikely(READ_ONCE(event->state) == PERF_EVENT_STATE_ERROR &&
event->attr.pinned))
- return events;
+ return EPOLLERR;
/*
* Pin the event->rb by taking event->mmap_mutex; otherwise
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index e43993a4e580..0fb9bf995a47 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -7081,9 +7081,6 @@ static int dequeue_entities(struct rq *rq, struct sched_entity *se, int flags)
h_nr_idle = task_has_idle_policy(p);
if (task_sleep || task_delayed || !se->sched_delayed)
h_nr_runnable = 1;
- } else {
- cfs_rq = group_cfs_rq(se);
- slice = cfs_rq_min_slice(cfs_rq);
}
for_each_sched_entity(se) {
@@ -7093,6 +7090,7 @@ static int dequeue_entities(struct rq *rq, struct sched_entity *se, int flags)
if (p && &p->se == se)
return -1;
+ slice = cfs_rq_min_slice(cfs_rq);
break;
}