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Diffstat (limited to 'Documentation/security/keys.txt')
| -rw-r--r-- | Documentation/security/keys.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/security/keys.txt b/Documentation/security/keys.txt index fcbe7a703405..787717091421 100644 --- a/Documentation/security/keys.txt +++ b/Documentation/security/keys.txt | |||
| @@ -554,6 +554,10 @@ The keyctl syscall functions are: | |||
| 554 | process must have write permission on the keyring, and it must be a | 554 | process must have write permission on the keyring, and it must be a |
| 555 | keyring (or else error ENOTDIR will result). | 555 | keyring (or else error ENOTDIR will result). |
| 556 | 556 | ||
| 557 | This function can also be used to clear special kernel keyrings if they | ||
| 558 | are appropriately marked if the user has CAP_SYS_ADMIN capability. The | ||
| 559 | DNS resolver cache keyring is an example of this. | ||
| 560 | |||
| 557 | 561 | ||
| 558 | (*) Link a key into a keyring: | 562 | (*) Link a key into a keyring: |
| 559 | 563 | ||