From: Jackie Liu <liuyun01@xxxxxxxxxx>
By printing information, we can friendly prompt the status change
information of kfence by dmesg.
Signed-off-by: Jackie Liu <liuyun01@xxxxxxxxxx>
---
mm/kfence/core.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/mm/kfence/core.c b/mm/kfence/core.c
index 11a954763be9..beb552089b67 100644
--- a/mm/kfence/core.c
+++ b/mm/kfence/core.c
@@ -67,8 +67,11 @@ static int param_set_sample_interval(const char *val, const struct kernel_param
if (ret < 0)
return ret;
- if (!num) /* Using 0 to indicate KFENCE is disabled. */
+ if (!num) {
+ /* Using 0 to indicate KFENCE is disabled. */
WRITE_ONCE(kfence_enabled, false);
+ pr_info("KFENCE is disabled.\n");
+ }
*((unsigned long *)kp->arg) = num;
@@ -874,6 +877,7 @@ static int kfence_enable_late(void)
WRITE_ONCE(kfence_enabled, true);
queue_delayed_work(system_unbound_wq, &kfence_timer, 0);
+ pr_info("KFENCE is re-enabled.\n");
return 0;
}
--
2.25.1
