!perfmon_capable() is checked before the last switch(func_id) in
bpf_base_func_proto. Thus, the cases BPF_FUNC_trace_printk and
BPF_FUNC_snprintf_btf can be moved to that last switch(func_id) to omit
the inline !perfmon_capable() checks.
Signed-off-by: Tobias Klauser <tklauser@xxxxxxxxxx>
---
kernel/bpf/helpers.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/kernel/bpf/helpers.c b/kernel/bpf/helpers.c
index 41ca280b1dc1..308427fe03a3 100644
--- a/kernel/bpf/helpers.c
+++ b/kernel/bpf/helpers.c
@@ -720,14 +720,6 @@ bpf_base_func_proto(enum bpf_func_id func_id)
return &bpf_spin_lock_proto;
case BPF_FUNC_spin_unlock:
return &bpf_spin_unlock_proto;
- case BPF_FUNC_trace_printk:
- if (!perfmon_capable())
- return NULL;
- return bpf_get_trace_printk_proto();
- case BPF_FUNC_snprintf_btf:
- if (!perfmon_capable())
- return NULL;
- return &bpf_snprintf_btf_proto;
case BPF_FUNC_jiffies64:
return &bpf_jiffies64_proto;
case BPF_FUNC_per_cpu_ptr:
@@ -742,6 +734,8 @@ bpf_base_func_proto(enum bpf_func_id func_id)
return NULL;
switch (func_id) {
+ case BPF_FUNC_trace_printk:
+ return bpf_get_trace_printk_proto();
case BPF_FUNC_get_current_task:
return &bpf_get_current_task_proto;
case BPF_FUNC_probe_read_user:
@@ -752,6 +746,8 @@ bpf_base_func_proto(enum bpf_func_id func_id)
return &bpf_probe_read_user_str_proto;
case BPF_FUNC_probe_read_kernel_str:
return &bpf_probe_read_kernel_str_proto;
+ case BPF_FUNC_snprintf_btf:
+ return &bpf_snprintf_btf_proto;
default:
return NULL;
}
--
2.30.0
