Commit-ID: af0733937317e1e03b60f3af8cf9cd59d665593c Gitweb: https://git.kernel.org/tip/af0733937317e1e03b60f3af8cf9cd59d665593c Author: Frederic Weisbecker <frede...@kernel.org> AuthorDate: Mon, 6 Nov 2017 16:01:29 +0100 Committer: Ingo Molnar <mi...@kernel.org> CommitDate: Wed, 8 Nov 2017 11:13:54 +0100
netpoll: Use lockdep to assert IRQs are disabled/enabled Use lockdep to check that IRQs are enabled or disabled as expected. This way the sanity check only shows overhead when concurrency correctness debug code is enabled. Signed-off-by: Frederic Weisbecker <frede...@kernel.org> Acked-by: Thomas Gleixner <t...@linutronix.de> Cc: David S. Miller <da...@davemloft.net> Cc: Lai Jiangshan <jiangshan...@gmail.com> Cc: Linus Torvalds <torva...@linux-foundation.org> Cc: Paul E. McKenney <paul...@linux.vnet.ibm.com> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Tejun Heo <t...@kernel.org> Link: http://lkml.kernel.org/r/1509980490-4285-14-git-send-email-frede...@kernel.org Signed-off-by: Ingo Molnar <mi...@kernel.org> --- net/core/netpoll.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 912731b..57557a6 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -334,7 +334,7 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb, /* It is up to the caller to keep npinfo alive. */ struct netpoll_info *npinfo; - WARN_ON_ONCE(!irqs_disabled()); + lockdep_assert_irqs_disabled(); npinfo = rcu_dereference_bh(np->dev->npinfo); if (!npinfo || !netif_running(dev) || !netif_device_present(dev)) {
