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Diffstat (limited to 'kernel/bpf/syscall.c')
-rw-r--r--kernel/bpf/syscall.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 2a9456a3e730..6cde6a46babf 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -520,6 +520,21 @@ void *bpf_map_kmalloc_node(const struct bpf_map *map, size_t size, gfp_t flags,
return ptr;
}
+void *bpf_map_kmalloc_nolock(const struct bpf_map *map, size_t size, gfp_t flags,
+ int node)
+{
+ struct mem_cgroup *memcg, *old_memcg;
+ void *ptr;
+
+ memcg = bpf_map_get_memcg(map);
+ old_memcg = set_active_memcg(memcg);
+ ptr = kmalloc_nolock(size, flags | __GFP_ACCOUNT, node);
+ set_active_memcg(old_memcg);
+ mem_cgroup_put(memcg);
+
+ return ptr;
+}
+
void *bpf_map_kzalloc(const struct bpf_map *map, size_t size, gfp_t flags)
{
struct mem_cgroup *memcg, *old_memcg;
@@ -2315,7 +2330,7 @@ static void bpf_audit_prog(const struct bpf_prog *prog, unsigned int op)
return;
if (audit_enabled == AUDIT_OFF)
return;
- if (!in_irq() && !irqs_disabled())
+ if (!in_hardirq() && !irqs_disabled())
ctx = audit_context();
ab = audit_log_start(ctx, GFP_ATOMIC, AUDIT_BPF);
if (unlikely(!ab))
@@ -2413,7 +2428,7 @@ static void __bpf_prog_put(struct bpf_prog *prog)
struct bpf_prog_aux *aux = prog->aux;
if (atomic64_dec_and_test(&aux->refcnt)) {
- if (in_irq() || irqs_disabled()) {
+ if (in_hardirq() || irqs_disabled()) {
INIT_WORK(&aux->work, bpf_prog_put_deferred);
schedule_work(&aux->work);
} else {