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 <frederic@kernel.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: David S. Miller <davem@davemloft.net> Cc: Lai Jiangshan <jiangshanlai@gmail.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Tejun Heo <tj@kernel.org> Link: http://lkml.kernel.org/r/1509980490-4285-14-git-send-email-frederic@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
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@ -334,7 +334,7 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,
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/* It is up to the caller to keep npinfo alive. */
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struct netpoll_info *npinfo;
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WARN_ON_ONCE(!irqs_disabled());
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lockdep_assert_irqs_disabled();
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npinfo = rcu_dereference_bh(np->dev->npinfo);
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if (!npinfo || !netif_running(dev) || !netif_device_present(dev)) {
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