diff options
Diffstat (limited to 'net/tipc/config.c')
| -rw-r--r-- | net/tipc/config.c | 13 | 
1 files changed, 6 insertions, 7 deletions
diff --git a/net/tipc/config.c b/net/tipc/config.c index b25a396b7e1..4785bf26cdf 100644 --- a/net/tipc/config.c +++ b/net/tipc/config.c @@ -184,13 +184,12 @@ static struct sk_buff *cfg_set_own_addr(void)  						   " (cannot change node address once assigned)");  	/* -	 * Must release all spinlocks before calling start_net() because -	 * Linux version of TIPC calls eth_media_start() which calls -	 * register_netdevice_notifier() which may block! -	 * -	 * Temporarily releasing the lock should be harmless for non-Linux TIPC, -	 * but Linux version of eth_media_start() should really be reworked -	 * so that it can be called with spinlocks held. +	 * Must temporarily release configuration spinlock while switching into +	 * networking mode as it calls tipc_eth_media_start(), which may sleep. +	 * Releasing the lock is harmless as other locally-issued configuration +	 * commands won't occur until this one completes, and remotely-issued +	 * configuration commands can't be received until a local configuration +	 * command to enable the first bearer is received and processed.  	 */  	spin_unlock_bh(&config_lock);  |