Show mount options when cdp is enabled
Cc: Fenghua Yu <fenghua...@intel.com>
Cc: Thomas Gleixner <t...@linutronix.de>
Signed-off-by: Shaohua Li <s...@fb.com>
---
arch/x86/kernel/cpu/intel_rdt_rdtgroup.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
index fb8e03e..49438b0 100644
--- a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
+++ b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
@@ -1034,9 +1034,19 @@ static int rdtgroup_rmdir(struct kernfs_node *kn)
return ret;
}
+static int rdtgroup_show_options(struct seq_file *seq,
+ struct kernfs_root *kf_root)
+{
+ struct rdt_resource *r_l3data = &rdt_resources_all[RDT_RESOURCE_L3DATA];
+ if (r_l3data->enabled)
+ seq_puts(seq, ",cdp");
+ return 0;
+}
+
static struct kernfs_syscall_ops rdtgroup_kf_syscall_ops = {
.mkdir = rdtgroup_mkdir,
.rmdir = rdtgroup_rmdir,
+ .show_options = rdtgroup_show_options,
};
static int __init rdtgroup_setup_root(void)
--
2.9.3
