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Miller" , Jakub Kicinski , Paolo Abeni Cc: Simon Horman , netdev@vger.kernel.org, eric.dumazet@gmail.com, Eric Dumazet Content-Type: text/plain; charset="UTF-8" Instead of holding RTNL for an arbitrary amount of time, call register_netdev() for each dummy device created at module loading time. Tested: modprobe dummy numdummies=10000 Signed-off-by: Eric Dumazet --- drivers/net/dummy.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c index f8a4eb365c3d068399c7af9305785aea1a5a7aac..f6732eab5923f02d0164f2a47258b87740f8c593 100644 --- a/drivers/net/dummy.c +++ b/drivers/net/dummy.c @@ -158,7 +158,7 @@ static int __init dummy_init_one(void) return -ENOMEM; dev_dummy->rtnl_link_ops = &dummy_link_ops; - err = register_netdevice(dev_dummy); + err = register_netdev(dev_dummy); if (err < 0) goto err; return 0; @@ -176,15 +176,11 @@ static int __init dummy_init_module(void) if (err < 0) return err; - rtnl_net_lock(&init_net); - for (i = 0; i < numdummies && !err; i++) { err = dummy_init_one(); cond_resched(); } - rtnl_net_unlock(&init_net); - if (err < 0) rtnl_link_unregister(&dummy_link_ops); -- 2.54.0.545.g6539524ca2-goog