• David Howells's avatar
    KEYS: Permit in-place link replacement in keyring list · 233e4735
    David Howells authored
    Make use of the previous patch that makes the garbage collector perform RCU
    synchronisation before destroying defunct keys.  Key pointers can now be
    replaced in-place without creating a new keyring payload and replacing the
    whole thing as the discarded keys will not be destroyed until all currently
    held RCU read locks are released.
    
    If the keyring payload space needs to be expanded or contracted, then a
    replacement will still need allocating, and the original will still have to be
    freed by RCU.
    Signed-off-by: 's avatarDavid Howells <dhowells@redhat.com>
    233e4735
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