CVS commit: src/sys/kern

["Taylor R Campbell" <riastradh%netbsd.org@localhost>]

Module Name:    src
Committed By:   riastradh
Date:           Thu Jun  3 09:22:47 UTC 2021

Modified Files:
        src/sys/kern: kern_ksyms.c

Log Message:
ksyms(4): Allow multiple concurrent opens of /dev/ksyms.

First one takes a snapshot; others all agree with the snapshot.

Previously this code path was just broken (could fail horribly if
modules were unloaded after one of the opens is closed), so I just
blocked it off in an earlier commit, but that broke crash(8).  So
let's continue allowing multiple opens seeing the same snapshot, but
without the horrible bugs.


To generate a diff of this commit:
cvs rdiff -u -r1.96 -r1.97 src/sys/kern/kern_ksyms.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.