netpoll: make __netpoll_cleanup non-block

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Like the previous patch, slave_disable_netpoll() and __netpoll_cleanup()
may be called with read_lock() held too, so we should make them
non-block, by moving the cleanup and kfree() to call_rcu_bh() callbacks.

Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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This commit is contained in:

Amerigo Wang 2012-08-10 01:24:38 +00:00 • committed by David S. Miller

parent 47be03a28c

commit 38e6bc185d

5 changed files with 38 additions and 23 deletions

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4

drivers/net/bonding/bond_main.c

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3

include/linux/netpoll.h

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6

net/8021q/vlan_dev.c

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6

net/bridge/br_device.c

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44

net/core/netpoll.c

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