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/freebsd-11-stable/sys/netgraph/
H A Dng_base.cdiff 132705 Tue Jul 27 18:30:56 MDT 2004 glebius When making a peer of unknown type framework tries to load module
using linker_load_module(). This works OK if NGM_MKPEER message came
from userland and we have process associated with thread. But when
NGM_MKPEER was queued because target node was busy, linker_load_module()
is called from netisr thread leading to panic.
To workaround that we do not load modules by framework, instead ng_socket
loads module (if this is required) before sending NGM_MKPEER.
However, the race condition between return from NgSendMsg() and actual
creation of node still exist and needs to be solved.

PR: kern/62789
Approved by: julian

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