kern/38814: ksyms needs locking

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>Number:         38814
>Category:       kern
>Synopsis:       ksyms needs locking
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Sat May 31 19:50:00 +0000 2008
>Originator:     Andrew Doran
>Release:        4.99.64
>Organization:
The NetBSD Project
>Environment:
n/a
>Description:
ksyms functions can be called without kernel_lock held.

>How-To-Repeat:
Code inspection.
>Fix:
Implement locking in kern_ksyms.c.

ddb needs to be able to do lookups without taking locks.