Merge branches 'x86-urgent-for-linus' and 'irq-urgent-for-linus' of git://git.kernel...

[pandora-kernel.git] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 4fc9244..f175d98 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -938,6 +938,12 @@ static struct ctl_table kern_table[] = {
        },
 #endif
 #ifdef CONFIG_PERF_EVENTS
+       /*
+        * User-space scripts rely on the existence of this file
+        * as a feature check for perf_events being enabled.
+        *
+        * So it's an ABI, do not remove!
+        */
        {
                .procname       = "perf_event_paranoid",
                .data           = &sysctl_perf_event_paranoid,