__exit_signal: don't take rcu lock

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There is no reason for rcu_read_lock() in __exit_signal().  tsk->sighand
can only be changed if tsk does exec, obviously this is not possible.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Oleg Nesterov 2008-07-25 01:47:29 -07:00 • committed by Linus Torvalds

parent 100360f030

commit 3854a77182

1 changed files with 0 additions and 2 deletions

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kernel/exit.c

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