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615e51fdda
When flushing the AVC, such as during a policy load, the various network caches are also flushed, with each making a call to synchronize_net() which has shown to be expensive in some cases. This patch consolidates the network cache flushes into a single AVC callback which only calls synchronize_net() once for each AVC cache flush. Reported-by: Jaejyn Shin <flagon22bass@gmail.com> Signed-off-by: Paul Moore <pmoore@redhat.com>
34 lines
934 B
C
34 lines
934 B
C
/*
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* Network port table
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*
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* SELinux must keep a mapping of network ports to labels/SIDs. This
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* mapping is maintained as part of the normal policy but a fast cache is
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* needed to reduce the lookup overhead.
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*
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* Author: Paul Moore <paul@paul-moore.com>
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*
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*/
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/*
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* (c) Copyright Hewlett-Packard Development Company, L.P., 2008
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _SELINUX_NETPORT_H
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#define _SELINUX_NETPORT_H
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void sel_netport_flush(void);
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int sel_netport_sid(u8 protocol, u16 pnum, u32 *sid);
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#endif
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