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-rw-r--r--net/core/sysctl_net_core.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c
index cf00dd7d46d7..ca4527fcbc75 100644
--- a/net/core/sysctl_net_core.c
+++ b/net/core/sysctl_net_core.c
@@ -266,6 +266,8 @@ static int proc_dointvec_minmax_bpf_enable(struct ctl_table *table, int write,
loff_t *ppos)
{
int ret, jit_enable = *(int *)table->data;
+ int min = *(int *)table->extra1;
+ int max = *(int *)table->extra2;
struct ctl_table tmp = *table;
if (write && !capable(CAP_SYS_ADMIN))
@@ -283,6 +285,10 @@ static int proc_dointvec_minmax_bpf_enable(struct ctl_table *table, int write,
ret = -EPERM;
}
}
+
+ if (write && ret && min == max)
+ pr_info_once("CONFIG_BPF_JIT_ALWAYS_ON is enabled, bpf_jit_enable is permanently set to 1.\n");
+
return ret;
}