CVS commit: src/sys/dev

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

Module Name:    src
Committed By:   riastradh
Date:           Mon Oct  3 19:12:51 UTC 2022

Modified Files:
        src/sys/dev: cons.c

Log Message:
cons(9): Serialize open and close.

Kernel lock wasn't enough for this -- cdevvp, vn_lock, or VOP_OPEN
could block, allowing another thread to re-enter open.


To generate a diff of this commit:
cvs rdiff -u -r1.80 -r1.81 src/sys/dev/cons.c

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