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authorFrederic Weisbecker <frederic@kernel.org>2017-11-06 16:01:29 +0100
committerIngo Molnar <mingo@kernel.org>2017-11-08 11:13:54 +0100
commitaf0733937317e1e03b60f3af8cf9cd59d665593c (patch)
treed5f5b28b6ea3508757b80244dd1248a72105cfcd /net/core
parenttimers/posix-cpu-timers: Use lockdep to assert IRQs are disabled/enabled (diff)
downloadlinux-dev-af0733937317e1e03b60f3af8cf9cd59d665593c.tar.xz
linux-dev-af0733937317e1e03b60f3af8cf9cd59d665593c.zip
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>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/netpoll.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 912731bed7b7..57557a6a950c 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)) {