Alan,
Anton Blanchard reported a lock vs. interrupt-off ordering bug in
migration_thread. The bug is already fixed in 2.5. A patch is attached
to fix O(1) in your tree.
See the comments above double_rq_lock and double_rq_unlock (which,
sadly, I wrote)! Without this patch there is a possibility to hang,
which Anton observed.
Patch is against 2.4.19-pre8-ac1, please apply.
Robert Love
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This archive was generated by hypermail 2b29 : Tue May 14 2002 - 12:00:16 EST