From: "Paul E. McKenney" <paulmck@linux.ibm.com>
To: rcu@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, mingo@kernel.org,
jiangshanlai@gmail.com, dipankar@in.ibm.com,
akpm@linux-foundation.org, mathieu.desnoyers@efficios.com,
josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org,
rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com,
fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org,
"Paul E . McKenney" <paulmck@linux.ibm.com>
Subject: [PATCH tip/core/rcu 5/8] ipv4: Add lockdep condition to fix for_each_entry()
Date: Thu, 1 Aug 2019 15:42:55 -0700 [thread overview]
Message-ID: <20190801224258.16679-5-paulmck@linux.ibm.com> (raw)
In-Reply-To: <20190801224240.GA16092@linux.ibm.com>
From: "Joel Fernandes (Google)" <joel@joelfernandes.org>
This commit applies the consolidated list_for_each_entry_rcu() support
for lockdep conditions.
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
---
net/ipv4/fib_frontend.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index e8bc939b56dd..dde77f72e03e 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -124,7 +124,8 @@ struct fib_table *fib_get_table(struct net *net, u32 id)
h = id & (FIB_TABLE_HASHSZ - 1);
head = &net->ipv4.fib_table_hash[h];
- hlist_for_each_entry_rcu(tb, head, tb_hlist) {
+ hlist_for_each_entry_rcu(tb, head, tb_hlist,
+ lockdep_rtnl_is_held()) {
if (tb->tb_id == id)
return tb;
}
--
2.17.1
next prev parent reply other threads:[~2019-08-01 22:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-01 22:42 [PATCH tip/core/rcu 0/8] RCU list-traversal lockdep updates for v5.4 Paul E. McKenney
2019-08-01 22:42 ` [PATCH tip/core/rcu 1/8] treewide: Rename rcu_dereference_raw_notrace() to _check() Paul E. McKenney
2019-08-01 22:42 ` [PATCH tip/core/rcu 2/8] rcu: Remove redundant debug_locks check in rcu_read_lock_sched_held() Paul E. McKenney
2019-08-01 22:42 ` [PATCH tip/core/rcu 3/8] rcu: Add support for consolidated-RCU reader checking Paul E. McKenney
2019-08-01 22:42 ` [PATCH tip/core/rcu 4/8] rcu/sync: Remove custom check for RCU readers Paul E. McKenney
2019-08-01 22:42 ` Paul E. McKenney [this message]
2019-08-01 22:42 ` [PATCH tip/core/rcu 6/8] driver/core: Convert to use built-in RCU list checking Paul E. McKenney
2019-08-01 22:42 ` [PATCH tip/core/rcu 7/8] x86/pci: Pass lockdep condition to pcm_mmcfg_list iterator Paul E. McKenney
2019-08-01 22:42 ` [PATCH tip/core/rcu 8/8] acpi: Use built-in RCU list checking for acpi_ioremaps list Paul E. McKenney
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