diff --git a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
index 1afd3f393501..8af04afdfcb9 100644
--- a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
+++ b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
@@ -1036,9 +1036,17 @@ out:
 	return ret;
 }
 
+static int rdtgroup_show_options(struct seq_file *seq, struct kernfs_root *kf)
+{
+	if (rdt_resources_all[RDT_RESOURCE_L3DATA].enabled)
+		seq_puts(seq, ",cdp");
+	return 0;
+}
+
 static struct kernfs_syscall_ops rdtgroup_kf_syscall_ops = {
-	.mkdir	= rdtgroup_mkdir,
-	.rmdir	= rdtgroup_rmdir,
+	.mkdir		= rdtgroup_mkdir,
+	.rmdir		= rdtgroup_rmdir,
+	.show_options	= rdtgroup_show_options,
 };
 
 static int __init rdtgroup_setup_root(void)