on 25/04/2008 17:36 Kostik Belousov said the following:
The malloc and free cannot be called while holding dev_mtx, this causes
the LORs. Please, look at the rev. 1.207, 1.210 of the kern/kern_conf.c
for the workarounds for the malloc issues. It seems that you may abuse the
dev_unlock_and_free() to make the notifications.
Also, I think it is wrong to establish the lock ordering relations
between the process subsystem and cdev.
Thank you for hand-guiding me!
This seems to be a bit more complex than I originally thought, so I
guess I'll have to get back to this after vacation (I want to stay as
far from computers as possible during it).
--
Andriy Gapon
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