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David Howells 65d87fe68a KEYS: Perform RCU synchronisation on keys prior to key destruction ... Make the keys garbage collector invoke synchronize_rcu() prior to destroying keys with a zero usage count. This means that a key can be examined under the RCU read lock in the safe knowledge that it won't get deallocated until after the lock is released - even if its usage count becomes zero whilst we're looking at it. This is useful in keyring search vs key link. Consider a keyring containing a link to a key. That link can be replaced in-place in the keyring without requiring an RCU copy-and-replace on the keyring contents without breaking a search underway on that keyring when the displaced key is released, provided the key is actually destroyed only after the RCU read lock held by the search algorithm is released. This permits __key_link() to replace a key without having to reallocate the key payload. A key gets replaced if a new key being linked into a keyring has the same type and description. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Jeff Layton <jlayton@redhat.com>		13 years ago
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encrypted-keys	encrypted-keys: fix rcu and sparse messages	13 years ago
Kconfig	KEYS: Move the key config into security/keys/Kconfig	13 years ago
Makefile	KEYS: Reorganise keys Makefile	13 years ago
compat.c	Cross Memory Attach	13 years ago
gc.c	KEYS: Perform RCU synchronisation on keys prior to key destruction	13 years ago
internal.h	keys: add a "logon" key type	13 years ago
key.c	KEYS: Announce key type (un)registration	13 years ago
keyctl.c	NFS client updates for Linux 3.4	13 years ago
keyring.c	KEYS: Add missing smp_rmb() primitives to the keyring search code	13 years ago
permission.c	KEYS: Fix up comments in key management code	14 years ago
proc.c	KEYS: Improve /proc/keys	14 years ago
process_keys.c	KEYS: testing wrong bit for KEY_FLAG_REVOKED	13 years ago
request_key.c	usermodehelper: kill umh_wait, renumber UMH_* constants	13 years ago
request_key_auth.c	KEYS: Don't return EAGAIN to keyctl_assume_authority()	14 years ago
sysctl.c	sysctl: Drop & in front of every proc_handler.	15 years ago
trusted.c	keys: fix trusted/encrypted keys sparse rcu_assign_pointer messages	13 years ago
trusted.h	trusted-keys: rename trusted_defined files to trusted	14 years ago
user_defined.c	Merge git://git.samba.org/sfrench/cifs-2.6	13 years ago