• Pravin B Shelar's avatar
    genl: Allow concurrent genl callbacks. · def31174
    Pravin B Shelar authored
    All genl callbacks are serialized by genl-mutex. This can become
    bottleneck in multi threaded case.
    Following patch adds an parameter to genl_family so that a
    particular family can get concurrent netlink callback without
    genl_lock held.
    New rw-sem is used to protect genl callback from genl family unregister.
    in case of parallel_ops genl-family read-lock is taken for callbacks and
    write lock is taken for register or unregistration for any family.
    In case of locked genl family semaphore and gel-mutex is locked for
    any openration.
    Signed-off-by: default avatarPravin B Shelar <pshelar@nicira.com>
    Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
genetlink.h 9.35 KB