tree bed94aaa9aeb7a7834d1c880f72b62a11a752c78
parent 86a264abe542cfececb4df129bc45a0338d8cdb9
author David Howells <dhowells@redhat.com> 1226619559 +1100
committer James Morris <jmorris@namei.org> 1226619559 +1100

CRED: Use RCU to access another task's creds and to release a task's own creds

Use RCU to access another task's creds and to release a task's own creds.
This means that it will be possible for the credentials of a task to be
replaced without another task (a) requiring a full lock to read them, and (b)
seeing deallocated memory.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>