bd8fbc6a94e19f092da97
author David S. Miller <davem@davemloft.net> 1134545189 -0800
committer David S. Miller <davem@sunset.davemloft.net> 1136322659 -0800

[AF_UNIX]: Use spinlock for unix_table_lock

This lock is actually taken mostly as a writer,
so using a rwlock actually just makes performance
worse especially on chips like the Intel P4.

Signed-off-by: David S. Miller <davem@davemloft.net>
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