diff options
Diffstat (limited to 'kernel/bpf')
| -rw-r--r-- | kernel/bpf/cgroup.c | 38 | ||||
| -rw-r--r-- | kernel/bpf/cgroup_iter.c | 4 | ||||
| -rw-r--r-- | kernel/bpf/local_storage.c | 4 |
3 files changed, 23 insertions, 23 deletions
diff --git a/kernel/bpf/cgroup.c b/kernel/bpf/cgroup.c index a06e118a9be5..517b6a5928cc 100644 --- a/kernel/bpf/cgroup.c +++ b/kernel/bpf/cgroup.c @@ -173,11 +173,11 @@ void bpf_cgroup_atype_put(int cgroup_atype) { int i = cgroup_atype - CGROUP_LSM_START; - mutex_lock(&cgroup_mutex); + cgroup_lock(); if (--cgroup_lsm_atype[i].refcnt <= 0) cgroup_lsm_atype[i].attach_btf_id = 0; WARN_ON_ONCE(cgroup_lsm_atype[i].refcnt < 0); - mutex_unlock(&cgroup_mutex); + cgroup_unlock(); } #else static enum cgroup_bpf_attach_type @@ -282,7 +282,7 @@ static void cgroup_bpf_release(struct work_struct *work) unsigned int atype; - mutex_lock(&cgroup_mutex); + cgroup_lock(); for (atype = 0; atype < ARRAY_SIZE(cgrp->bpf.progs); atype++) { struct hlist_head *progs = &cgrp->bpf.progs[atype]; @@ -315,7 +315,7 @@ static void cgroup_bpf_release(struct work_struct *work) bpf_cgroup_storage_free(storage); } - mutex_unlock(&cgroup_mutex); + cgroup_unlock(); for (p = cgroup_parent(cgrp); p; p = cgroup_parent(p)) cgroup_bpf_put(p); @@ -729,9 +729,9 @@ static int cgroup_bpf_attach(struct cgroup *cgrp, { int ret; - mutex_lock(&cgroup_mutex); + cgroup_lock(); ret = __cgroup_bpf_attach(cgrp, prog, replace_prog, link, type, flags); - mutex_unlock(&cgroup_mutex); + cgroup_unlock(); return ret; } @@ -831,7 +831,7 @@ static int cgroup_bpf_replace(struct bpf_link *link, struct bpf_prog *new_prog, cg_link = container_of(link, struct bpf_cgroup_link, link); - mutex_lock(&cgroup_mutex); + cgroup_lock(); /* link might have been auto-released by dying cgroup, so fail */ if (!cg_link->cgroup) { ret = -ENOLINK; @@ -843,7 +843,7 @@ static int cgroup_bpf_replace(struct bpf_link *link, struct bpf_prog *new_prog, } ret = __cgroup_bpf_replace(cg_link->cgroup, cg_link, new_prog); out_unlock: - mutex_unlock(&cgroup_mutex); + cgroup_unlock(); return ret; } @@ -1009,9 +1009,9 @@ static int cgroup_bpf_detach(struct cgroup *cgrp, struct bpf_prog *prog, { int ret; - mutex_lock(&cgroup_mutex); + cgroup_lock(); ret = __cgroup_bpf_detach(cgrp, prog, NULL, type); - mutex_unlock(&cgroup_mutex); + cgroup_unlock(); return ret; } @@ -1120,9 +1120,9 @@ static int cgroup_bpf_query(struct cgroup *cgrp, const union bpf_attr *attr, { int ret; - mutex_lock(&cgroup_mutex); + cgroup_lock(); ret = __cgroup_bpf_query(cgrp, attr, uattr); - mutex_unlock(&cgroup_mutex); + cgroup_unlock(); return ret; } @@ -1189,11 +1189,11 @@ static void bpf_cgroup_link_release(struct bpf_link *link) if (!cg_link->cgroup) return; - mutex_lock(&cgroup_mutex); + cgroup_lock(); /* re-check cgroup under lock again */ if (!cg_link->cgroup) { - mutex_unlock(&cgroup_mutex); + cgroup_unlock(); return; } @@ -1205,7 +1205,7 @@ static void bpf_cgroup_link_release(struct bpf_link *link) cg = cg_link->cgroup; cg_link->cgroup = NULL; - mutex_unlock(&cgroup_mutex); + cgroup_unlock(); cgroup_put(cg); } @@ -1232,10 +1232,10 @@ static void bpf_cgroup_link_show_fdinfo(const struct bpf_link *link, container_of(link, struct bpf_cgroup_link, link); u64 cg_id = 0; - mutex_lock(&cgroup_mutex); + cgroup_lock(); if (cg_link->cgroup) cg_id = cgroup_id(cg_link->cgroup); - mutex_unlock(&cgroup_mutex); + cgroup_unlock(); seq_printf(seq, "cgroup_id:\t%llu\n" @@ -1251,10 +1251,10 @@ static int bpf_cgroup_link_fill_link_info(const struct bpf_link *link, container_of(link, struct bpf_cgroup_link, link); u64 cg_id = 0; - mutex_lock(&cgroup_mutex); + cgroup_lock(); if (cg_link->cgroup) cg_id = cgroup_id(cg_link->cgroup); - mutex_unlock(&cgroup_mutex); + cgroup_unlock(); info->cgroup.cgroup_id = cg_id; info->cgroup.attach_type = cg_link->type; diff --git a/kernel/bpf/cgroup_iter.c b/kernel/bpf/cgroup_iter.c index 06989d278846..810378f04fbc 100644 --- a/kernel/bpf/cgroup_iter.c +++ b/kernel/bpf/cgroup_iter.c @@ -58,7 +58,7 @@ static void *cgroup_iter_seq_start(struct seq_file *seq, loff_t *pos) { struct cgroup_iter_priv *p = seq->private; - mutex_lock(&cgroup_mutex); + cgroup_lock(); /* cgroup_iter doesn't support read across multiple sessions. */ if (*pos > 0) { @@ -89,7 +89,7 @@ static void cgroup_iter_seq_stop(struct seq_file *seq, void *v) { struct cgroup_iter_priv *p = seq->private; - mutex_unlock(&cgroup_mutex); + cgroup_unlock(); /* pass NULL to the prog for post-processing */ if (!v) { diff --git a/kernel/bpf/local_storage.c b/kernel/bpf/local_storage.c index 4c7bbec4a9e4..a04f505aefe9 100644 --- a/kernel/bpf/local_storage.c +++ b/kernel/bpf/local_storage.c @@ -333,14 +333,14 @@ static void cgroup_storage_map_free(struct bpf_map *_map) struct list_head *storages = &map->list; struct bpf_cgroup_storage *storage, *stmp; - mutex_lock(&cgroup_mutex); + cgroup_lock(); list_for_each_entry_safe(storage, stmp, storages, list_map) { bpf_cgroup_storage_unlink(storage); bpf_cgroup_storage_free(storage); } - mutex_unlock(&cgroup_mutex); + cgroup_unlock(); WARN_ON(!RB_EMPTY_ROOT(&map->root)); WARN_ON(!list_empty(&map->list)); |