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authorPaul Moore <paul@paul-moore.com>2016-11-29 16:53:25 -0500
committerPaul Moore <paul@paul-moore.com>2016-12-14 13:06:04 -0500
commit3197542482df22c2a131d4a813280bd7c54cedf5 (patch)
tree1ac88d16cb2a38ea387a71a63f3b5457f70e74fd /include/net
parentc6480207fdf7b61de216ee23e93eac0a6878fa74 (diff)
audit: rework audit_log_start()
The backlog queue handling in audit_log_start() is a little odd with some questionable design decisions, this patch attempts to rectify this with the following changes: * Never make auditd wait, ignore any backlog limits as we need auditd awake so it can drain the backlog queue. * When we hit a backlog limit and start dropping records, don't wake all the tasks sleeping on the backlog, that's silly. Instead, let kauditd_thread() take care of waking everyone once it has had a chance to drain the backlog queue. * Don't keep a global backlog timeout countdown, make it per-task. A per-task timer means we won't have all the sleeping tasks waking at the same time and hammering on an already stressed backlog queue. Signed-off-by: Paul Moore <paul@paul-moore.com>
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