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-rw-r--r--security/keys/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/security/keys/Kconfig b/security/keys/Kconfig
index 8153ea01d7bb..83bc23409164 100644
--- a/security/keys/Kconfig
+++ b/security/keys/Kconfig
@@ -114,3 +114,12 @@ config KEY_DH_OPERATIONS
in the kernel.
If you are unsure as to whether this is required, answer N.
+
+config KEY_NOTIFICATIONS
+ bool "Provide key/keyring change notifications"
+ depends on KEYS && WATCH_QUEUE
+ help
+ This option provides support for getting change notifications on keys
+ and keyrings on which the caller has View permission. This makes use
+ of the /dev/watch_queue misc device to handle the notification
+ buffer and provides KEYCTL_WATCH_KEY to enable/disable watches.