This allows users to rely on it by using it from the vmlinux.h
Signed-off-by: Benjamin Tissoires bentiss@kernel.org
---
This is an RFC, and is not meant to be fully reviewed/applied as it is. I'm posting this to show what I wanted to explain in https://lore.kernel.org/bpf/mhkzkf4e23uvljtmwizwcxyuyat2tmfxn33xb4t7waafgmsa... --- kernel/bpf/helpers.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c index 2a69a9a36c0f..97628bcbd507 100644 --- a/kernel/bpf/helpers.c +++ b/kernel/bpf/helpers.c @@ -2720,8 +2720,10 @@ __bpf_kfunc int bpf_wq_start(struct bpf_wq *wq, unsigned int flags) return 0; }
+typedef int (*wq_callback_fn_t)(struct bpf_map *map, int *key, struct bpf_wq *wq); + __bpf_kfunc int bpf_wq_set_callback_impl(struct bpf_wq *wq, - int (callback_fn)(void *map, int *key, struct bpf_wq *wq), + wq_callback_fn_t callback_fn__s_async, unsigned int flags, void *aux__ign) { @@ -2731,7 +2733,7 @@ __bpf_kfunc int bpf_wq_set_callback_impl(struct bpf_wq *wq, if (flags) return -EINVAL;
- return __bpf_async_set_callback(async, callback_fn, aux, flags, BPF_ASYNC_TYPE_WQ); + return __bpf_async_set_callback(async, callback_fn__s_async, aux, flags, BPF_ASYNC_TYPE_WQ); }
__bpf_kfunc void bpf_preempt_disable(void)