net: Revert "ipv4: get rid of ip_ra_lock"

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This reverts commit ba3f571d5d. The commit was made
after 1215e51eda "ipv4: fix a deadlock in ip_ra_control",
and killed ip_ra_lock, which became useless after rtnl_lock()
made used to destroy every raw ipv4 socket. This scales
very bad, and next patch in series reverts 1215e51eda.
ip_ra_lock will be used again.

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Kirill Tkhai 2018-03-22 12:45:02 +03:00 • committed by David S. Miller

parent f2d254fac1

commit 76d3e153d0

1 changed files with 10 additions and 2 deletions

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net/ipv4/ip_sockglue.c

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