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| author |   Eric Dumazet <eric.dumazet@gmail.com> | 2010-09-22 08:38:44 +0200 |
|---|---|---|
| committer |   Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2010-09-23 08:25:17 -0700 |
| commit | b3a084b9b684622b149e8dcf03855bf0d5fb588b (patch) | |
| tree | 0c04087b9819e64530f14aed21eb4e3453d75d53 /kernel/rcupdate.c | |
| parent | generic-ipi: Fix deadlock in __smp_call_function_single (diff) | |
| download | linux-dev-b3a084b9b684622b149e8dcf03855bf0d5fb588b.tar.xz linux-dev-b3a084b9b684622b149e8dcf03855bf0d5fb588b.zip | |
rcu: rcu_read_lock_bh_held(): disabling irqs also disables bh
rcu_dereference_bh() doesnt know yet about hard irq being disabled, so
lockdep can trigger in netpoll_rx() after commit f0f9deae9e7c4 (netpoll:
Disable IRQ around RCU dereference in netpoll_rx)
Reported-by: Miles Lane <miles.lane@gmail.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Tested-by: Miles Lane <miles.lane@gmail.com>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcupdate.c')
0 files changed, 0 insertions, 0 deletions