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-rw-r--r--Documentation/filesystems/debugfs.txt7
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/filesystems/debugfs.txt b/Documentation/filesystems/debugfs.txt
index 6872c91..7a34f82 100644
--- 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.
@@ -133,7 +136,7 @@ file.
void __iomem *base;
};
- struct dentry *debugfs_create_regset32(const char *name, mode_t mode,
+ struct dentry *debugfs_create_regset32(const char *name, umode_t mode,
struct dentry *parent,
struct debugfs_regset32 *regset);