Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

[firefly-linux-kernel-4.4.55.git] / Documentation / filesystems / debugfs.txt

diff --git a/Documentation/filesystems/debugfs.txt b/Documentation/filesystems/debugfs.txt
index 41865d62e5b98ed0ddaa9b3026d70afc265efd06..7a34f827989c1fe5c1f3c29bebf57d101150322c 100644 (file)
--- a/Documentation/filesystems/debugfs.txt
+++ b/Documentation/filesystems/debugfs.txt
@@ -14,7 +14,10 @@ Debugfs is typically mounted with a command like:
 
     mount -t debugfs none /sys/kernel/debug
 
-(Or an equivalent /etc/fstab line). 
+(Or an equivalent /etc/fstab line).
+The debugfs root directory is accessible by anyone by default. To
+restrict access to the tree the "uid", "gid" and "mode" mount
+options can be used.
 
 Note that the debugfs API is exported GPL-only to modules.