* [PATCH 0/4] prepare for ->siglock safe threads traversal
@ 2006-02-20 16:03 Oleg Nesterov
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From: Oleg Nesterov @ 2006-02-20 16:03 UTC (permalink / raw)
To: Andrew Morton
Cc: linux-kernel, Ingo Molnar, Paul E. McKenney, Eric W. Biederman,
Roland McGrath
The main problem is that copy_process's error path and
release_task() share __exit_signal() which locks ->sighand
and destroys it, but we need to do __unhash_process() under
->sighand.
This patch series tries to solves this. It also tries to
simplify and cleanup the code a bit.
Oleg.
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